tools: update ESLint to 4.2.0

ESLint 4.2.0 contains a fix for a bug that is blocking us from moving to
the non-legacy stricter indentation linting. Update to 4.2.0 to remove
the blocking issue.

PR-URL: https://github.com/nodejs/node/pull/14155
Ref: https://github.com/eslint/eslint/issues/8882
Ref: https://github.com/eslint/eslint/pull/8885
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>

tools/eslint/conf/eslint-recommended.js

@@ -48,6 +48,7 @@ module.exports = {
         "func-names": "off",
         "func-style": "off",
         "generator-star-spacing": "off",
+        "getter-return": "off",
         "global-require": "off",
         "guard-for-in": "off",
         "handle-callback-err": "off",

tools/eslint/lib/cli-engine.js

@@ -45,7 +45,7 @@ const debug = require("debug")("eslint:cli-engine");
  * @property {string} cwd The value to use for the current working directory.
  * @property {string[]} envs An array of environments to load.
  * @property {string[]} extensions An array of file extensions to check.
- * @property {boolean} fix Execute in autofix mode.
+ * @property {boolean|Function} fix Execute in autofix mode. If a function, should return a boolean.
  * @property {string[]} globals An array of global variables to declare.
  * @property {boolean} ignore False disables use of .eslintignore.
  * @property {string} ignorePath The ignore file to use instead of .eslintignore.
@@ -135,7 +135,7 @@ function calculateStatsPerRun(results) {
  * @param {string} text The source code to check.
  * @param {Object} configHelper The configuration options for ESLint.
  * @param {string} filename An optional string representing the texts filename.
- * @param {boolean} fix Indicates if fixes should be processed.
+ * @param {boolean|Function} fix Indicates if fixes should be processed.
  * @param {boolean} allowInlineConfig Allow/ignore comments that change config.
  * @param {Linter} linter Linter context
  * @returns {LintResult} The results for linting on this text.
@@ -195,7 +195,8 @@ function processText(text, configHelper, filename, fix, allowInlineConfig, linte
         if (fix) {
             fixedResult = linter.verifyAndFix(text, config, {
                 filename,
-                allowInlineConfig
+                allowInlineConfig,
+                fix
             });
             messages = fixedResult.messages;
         } else {

tools/eslint/lib/cli.js

@@ -28,6 +28,17 @@ const debug = require("debug")("eslint:cli");
 // Helpers
 //------------------------------------------------------------------------------
 
+/**
+ * Predicate function for whether or not to apply fixes in quiet mode.
+ * If a message is a warning, do not apply a fix.
+ * @param {LintResult} lintResult The lint result.
+ * @returns {boolean} True if the lint message is an error (and thus should be
+ * autofixed), false otherwise.
+ */
+function quietFixPredicate(lintResult) {
+    return lintResult.severity === 2;
+}
+
 /**
  * Translates the CLI options into the options expected by the CLIEngine.
  * @param {Object} cliOptions The CLI options to translate.
@@ -52,7 +63,7 @@ function translateOptions(cliOptions) {
         cache: cliOptions.cache,
         cacheFile: cliOptions.cacheFile,
         cacheLocation: cliOptions.cacheLocation,
-        fix: cliOptions.fix,
+        fix: cliOptions.fix && (cliOptions.quiet ? quietFixPredicate : true),
         allowInlineConfig: cliOptions.inlineConfig
     };
 }

tools/eslint/lib/config/config-validator.js

@@ -9,7 +9,7 @@
 // Requirements
 //------------------------------------------------------------------------------
 
-const schemaValidator = require("is-my-json-valid"),
+const ajv = require("../util/ajv"),
     configSchema = require("../../conf/config-schema.js"),
     util = require("util");
 
@@ -20,6 +20,7 @@ const validators = {
 //------------------------------------------------------------------------------
 // Private
 //------------------------------------------------------------------------------
+let validateSchema;
 
 /**
  * Gets a complete options schema for a rule.
@@ -79,7 +80,7 @@ function validateRuleSchema(id, localOptions, rulesContext) {
     const schema = getRuleOptionsSchema(id, rulesContext);
 
     if (!validators.rules[id] && schema) {
-        validators.rules[id] = schemaValidator(schema, { verbose: true });
+        validators.rules[id] = ajv.compile(schema);
     }
 
     const validateRule = validators.rules[id];
@@ -87,7 +88,7 @@ function validateRuleSchema(id, localOptions, rulesContext) {
     if (validateRule) {
         validateRule(localOptions);
         if (validateRule.errors) {
-            throw new Error(validateRule.errors.map(error => `\tValue "${error.value}" ${error.message}.\n`).join(""));
+            throw new Error(validateRule.errors.map(error => `\tValue "${error.data}" ${error.message}.\n`).join(""));
         }
     }
 }
@@ -158,19 +159,23 @@ function validateRules(rulesConfig, source, rulesContext) {
  * @returns {string} Formatted error message
  */
 function formatErrors(errors) {
-
     return errors.map(error => {
-        if (error.message === "has additional properties") {
-            return `Unexpected top-level property "${error.value.replace(/^data\./, "")}"`;
+        if (error.keyword === "additionalProperties") {
+            const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty;
+
+            return `Unexpected top-level property "${formattedPropertyPath}"`;
         }
-        if (error.message === "is the wrong type") {
-            const formattedField = error.field.replace(/^data\./, "");
-            const formattedExpectedType = typeof error.type === "string" ? error.type : error.type.join("/");
-            const formattedValue = JSON.stringify(error.value);
+        if (error.keyword === "type") {
+            const formattedField = error.dataPath.slice(1);
+            const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema;
+            const formattedValue = JSON.stringify(error.data);
 
             return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`;
         }
-        return `"${error.field.replace(/^(data\.)/, "")}" ${error.message}. Value: ${JSON.stringify(error.value)}`;
+
+        const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
+
+        return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`;
     }).map(message => `\t- ${message}.\n`).join("");
 }
 
@@ -181,10 +186,10 @@ function formatErrors(errors) {
  * @returns {void}
  */
 function validateConfigSchema(config, source) {
-    const validator = schemaValidator(configSchema, { verbose: true });
+    validateSchema = validateSchema || ajv.compile(configSchema);
 
-    if (!validator(config)) {
-        throw new Error(`${source}:\n\tESLint configuration is invalid:\n${formatErrors(validator.errors)}`);
+    if (!validateSchema(config)) {
+        throw new Error(`${source}:\n\tESLint configuration is invalid:\n${formatErrors(validateSchema.errors)}`);
     }
 }
 

tools/eslint/lib/linter.js

@@ -1197,6 +1197,7 @@ class Linter extends EventEmitter {
      * @param {string} options.filename The filename from which the text was read.
      * @param {boolean} options.allowInlineConfig Flag indicating if inline comments
      *      should be allowed.
+     * @param {boolean|Function} options.fix Determines whether fixes should be applied
      * @returns {Object} The result of the fix operation as returned from the
      *      SourceCodeFixer.
      */
@@ -1205,6 +1206,8 @@ class Linter extends EventEmitter {
             fixedResult,
             fixed = false,
             passNumber = 0;
+        const debugTextDescription = options && options.filename || `${text.slice(0, 10)}...`;
+        const shouldFix = options && options.fix || true;
 
         /**
          * This loop continues until one of the following is true:
@@ -1218,11 +1221,11 @@ class Linter extends EventEmitter {
         do {
             passNumber++;
 
-            debug(`Linting code for ${options.filename} (pass ${passNumber})`);
+            debug(`Linting code for ${debugTextDescription} (pass ${passNumber})`);
             messages = this.verify(text, config, options);
 
-            debug(`Generating fixed text for ${options.filename} (pass ${passNumber})`);
-            fixedResult = SourceCodeFixer.applyFixes(this.getSourceCode(), messages);
+            debug(`Generating fixed text for ${debugTextDescription} (pass ${passNumber})`);
+            fixedResult = SourceCodeFixer.applyFixes(this.getSourceCode(), messages, shouldFix);
 
             // stop if there are any syntax errors.
             // 'fixedResult.output' is a empty string.

tools/eslint/lib/rules/arrow-parens.js

@@ -66,7 +66,10 @@ module.exports = {
              */
             function fixParamsWithParenthesis(fixer) {
                 const paramToken = sourceCode.getTokenAfter(firstTokenOfParam);
-                const closingParenToken = sourceCode.getTokenAfter(paramToken);
+
+                // ES8 allows Trailing commas in function parameter lists and calls
+                // https://github.com/eslint/eslint/issues/8834
+                const closingParenToken = sourceCode.getTokenAfter(paramToken, astUtils.isClosingParenToken);
                 const asyncToken = isAsync ? sourceCode.getTokenBefore(firstTokenOfParam) : null;
                 const shouldAddSpaceForAsync = asyncToken && (asyncToken.end === firstTokenOfParam.start);
 

tools/eslint/lib/rules/comma-dangle.js

@@ -81,49 +81,49 @@ module.exports = {
             category: "Stylistic Issues",
             recommended: false
         },
-
         fixable: "code",
-
-        schema: [
-            {
-                defs: {
-                    value: {
-                        enum: [
-                            "always",
-                            "always-multiline",
-                            "only-multiline",
-                            "never"
-                        ]
-                    },
-                    valueWithIgnore: {
-                        anyOf: [
-                            {
-                                $ref: "#/defs/value"
-                            },
-                            {
-                                enum: ["ignore"]
-                            }
-                        ]
-                    }
+        schema: {
+            definitions: {
+                value: {
+                    enum: [
+                        "always-multiline",
+                        "always",
+                        "never",
+                        "only-multiline"
+                    ]
                 },
-                anyOf: [
-                    {
-                        $ref: "#/defs/value"
-                    },
-                    {
-                        type: "object",
-                        properties: {
-                            arrays: { $refs: "#/defs/valueWithIgnore" },
-                            objects: { $refs: "#/defs/valueWithIgnore" },
-                            imports: { $refs: "#/defs/valueWithIgnore" },
-                            exports: { $refs: "#/defs/valueWithIgnore" },
-                            functions: { $refs: "#/defs/valueWithIgnore" }
+                valueWithIgnore: {
+                    enum: [
+                        "always-multiline",
+                        "always",
+                        "ignore",
+                        "never",
+                        "only-multiline"
+                    ]
+                }
+            },
+            type: "array",
+            items: [
+                {
+                    oneOf: [
+                        {
+                            $ref: "#/definitions/value"
                         },
-                        additionalProperties: false
-                    }
-                ]
-            }
-        ]
+                        {
+                            type: "object",
+                            properties: {
+                                arrays: { $ref: "#/definitions/valueWithIgnore" },
+                                objects: { $ref: "#/definitions/valueWithIgnore" },
+                                imports: { $ref: "#/definitions/valueWithIgnore" },
+                                exports: { $ref: "#/definitions/valueWithIgnore" },
+                                functions: { $ref: "#/definitions/valueWithIgnore" }
+                            },
+                            additionalProperties: false
+                        }
+                    ]
+                }
+            ]
+        }
     },
 
     create(context) {

tools/eslint/lib/rules/dot-notation.js

@@ -116,6 +116,15 @@ module.exports = {
                                 return null;
                             }
 
+                            if (node.object.type === "Identifier" && node.object.name === "let") {
+
+                                /*
+                                 * A statement that starts with `let[` is parsed as a destructuring variable declaration, not
+                                 * a MemberExpression.
+                                 */
+                                return null;
+                            }
+
                             return fixer.replaceTextRange(
                                 [dot.range[0], node.property.range[1]],
                                 `[${textAfterDot}"${node.property.name}"]`

tools/eslint/lib/rules/getter-return.js

@@ -0,0 +1,151 @@
+/**
+ * @fileoverview Enforces that a return statement is present in property getters.
+ * @author Aladdin-ADD(hh_2013@foxmail.com)
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("../ast-utils");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks a given code path segment is reachable.
+ *
+ * @param {CodePathSegment} segment - A segment to check.
+ * @returns {boolean} `true` if the segment is reachable.
+ */
+function isReachable(segment) {
+    return segment.reachable;
+}
+
+/**
+ * Gets a readable location.
+ *
+ * - FunctionExpression -> the function name or `function` keyword.
+ *
+ * @param {ASTNode} node - A function node to get.
+ * @returns {ASTNode|Token} The node or the token of a location.
+ */
+function getId(node) {
+    return node.id || node;
+}
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "enforce `return` statements in getters",
+            category: "Possible Errors",
+            recommended: false
+        },
+        fixable: null,
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowImplicit: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ]
+    },
+
+    create(context) {
+
+        const options = context.options[0] || { allowImplicit: false };
+
+        let funcInfo = {
+            upper: null,
+            codePath: null,
+            hasReturn: false,
+            shouldCheck: false,
+            node: null
+        };
+
+        /**
+         * Checks whether or not the last code path segment is reachable.
+         * Then reports this function if the segment is reachable.
+         *
+         * If the last code path segment is reachable, there are paths which are not
+         * returned or thrown.
+         *
+         * @param {ASTNode} node - A node to check.
+         * @returns {void}
+         */
+        function checkLastSegment(node) {
+            if (funcInfo.shouldCheck &&
+                funcInfo.codePath.currentSegments.some(isReachable)
+            ) {
+                context.report({
+                    node,
+                    loc: getId(node).loc.start,
+                    message: funcInfo.hasReturn
+                        ? "Expected {{name}} to always return a value."
+                        : "Expected to return a value in {{name}}.",
+                    data: {
+                        name: astUtils.getFunctionNameWithKind(funcInfo.node)
+                    }
+                });
+            }
+        }
+
+        return {
+
+            // Stacks this function's information.
+            onCodePathStart(codePath, node) {
+                const parent = node.parent;
+
+                funcInfo = {
+                    upper: funcInfo,
+                    codePath,
+                    hasReturn: false,
+                    shouldCheck:
+                        node.type === "FunctionExpression" &&
+                        node.body.type === "BlockStatement" &&
+
+                        // check if it is a "getter", or a method named "get".
+                        (parent.kind === "get" || astUtils.getStaticPropertyName(parent) === "get"),
+                    node
+                };
+            },
+
+            // Pops this function's information.
+            onCodePathEnd() {
+                funcInfo = funcInfo.upper;
+            },
+
+            // Checks the return statement is valid.
+            ReturnStatement(node) {
+                if (funcInfo.shouldCheck) {
+                    funcInfo.hasReturn = true;
+
+                    // if allowImplicit: false, should also check node.argument
+                    if (!options.allowImplicit && !node.argument) {
+                        context.report({
+                            node,
+                            message: "Expected to return a value in {{name}}.",
+                            data: {
+                                name: astUtils.getFunctionNameWithKind(funcInfo.node)
+                            }
+                        });
+                    }
+                }
+            },
+
+            // Reports a given function if the last path is reachable.
+            "FunctionExpression:exit": checkLastSegment
+        };
+    }
+};

tools/eslint/lib/rules/indent.js

@@ -303,6 +303,18 @@ class OffsetStorage {
         }
     }
 
+    /**
+     * Sets the desired offset of a token, ignoring the usual collapsing behavior.
+     * **WARNING**: This is usually not what you want to use. See `setDesiredOffset` instead.
+     * @param {Token} token The token
+     * @param {Token} offsetFrom The token that `token` should be offset from
+     * @param {number} offset The desired indent level
+     * @returns {void}
+     */
+    forceSetDesiredOffset(token, offsetFrom, offset) {
+        this.desiredOffsets[token.range[0]] = { offset, from: offsetFrom };
+    }
+
     /**
     * Sets the desired offset of multiple tokens
     * @param {Token[]} tokens A list of tokens. These tokens should be consecutive.
@@ -374,18 +386,6 @@ class OffsetStorage {
     getFirstDependency(token) {
         return this.desiredOffsets[token.range[0]].from;
     }
-
-    /**
-     * Increases the offset for a token from its parent by the given amount
-     * @param {Token} token The token whose offset should be increased
-     * @param {number} amount The number of indent levels that the offset should increase by
-     * @returns {void}
-     */
-    increaseOffset(token, amount) {
-        const currentOffsetInfo = this.desiredOffsets[token.range[0]];
-
-        this.desiredOffsets[token.range[0]] = { offset: currentOffsetInfo.offset + amount, from: currentOffsetInfo.from };
-    }
 }
 
 const ELEMENT_LIST_SCHEMA = {
@@ -738,7 +738,7 @@ module.exports = {
                     const firstTokenOfPreviousElement = previousElement && getFirstToken(previousElement);
 
                     if (previousElement && sourceCode.getLastToken(previousElement).loc.start.line > startToken.loc.end.line) {
-                        offsets.matchIndentOf(firstTokenOfPreviousElement, getFirstToken(element));
+                        offsets.setDesiredOffsets(getTokensAndComments(element), firstTokenOfPreviousElement, 0);
                     }
                 }
             });
@@ -813,7 +813,7 @@ module.exports = {
                  */
                 const lastToken = sourceCode.getLastToken(node);
 
-                if (astUtils.isSemicolonToken(lastToken)) {
+                if (node.type !== "EmptyStatement" && astUtils.isSemicolonToken(lastToken)) {
                     offsets.matchIndentOf(lastParentToken, lastToken);
                 }
             }
@@ -884,7 +884,7 @@ module.exports = {
 
             parameterParens.add(openingParen);
             parameterParens.add(closingParen);
-            offsets.matchIndentOf(sourceCode.getLastToken(node.callee), openingParen);
+            offsets.matchIndentOf(sourceCode.getTokenBefore(openingParen), openingParen);
 
             addElementListIndent(node.arguments, openingParen, closingParen, options.CallExpression.arguments);
         }
@@ -1018,7 +1018,7 @@ module.exports = {
                 const nodeTokens = getTokensAndComments(node);
                 const tokensFromOperator = nodeTokens.slice(lodash.sortedIndexBy(nodeTokens, operator, token => token.range[0]));
 
-                offsets.setDesiredOffsets(tokensFromOperator, sourceCode.getFirstToken(node.left), 1);
+                offsets.setDesiredOffsets(tokensFromOperator, sourceCode.getLastToken(node.left), 1);
                 offsets.ignoreToken(tokensFromOperator[0]);
                 offsets.ignoreToken(tokensFromOperator[1]);
             },
@@ -1274,7 +1274,35 @@ module.exports = {
             VariableDeclaration(node) {
                 const variableIndent = options.VariableDeclarator.hasOwnProperty(node.kind) ? options.VariableDeclarator[node.kind] : DEFAULT_VARIABLE_INDENT;
 
-                offsets.setDesiredOffsets(getTokensAndComments(node), sourceCode.getFirstToken(node), variableIndent);
+                if (node.declarations[node.declarations.length - 1].loc.start.line > node.loc.start.line) {
+
+                    /*
+                     * VariableDeclarator indentation is a bit different from other forms of indentation, in that the
+                     * indentation of an opening bracket sometimes won't match that of a closing bracket. For example,
+                     * the following indentations are correct:
+                     *
+                     * var foo = {
+                     *   ok: true
+                     * };
+                     *
+                     * var foo = {
+                     *     ok: true,
+                     *   },
+                     *   bar = 1;
+                     *
+                     * Account for when exiting the AST (after indentations have already been set for the nodes in
+                     * the declaration) by manually increasing the indentation level of the tokens in this declarator
+                     * on the same line as the start of the declaration, provided that there are declarators that
+                     * follow this one.
+                     */
+                    getTokensAndComments(node).forEach((token, index, tokens) => {
+                        if (index !== 0) {
+                            offsets.forceSetDesiredOffset(token, tokens[0], variableIndent);
+                        }
+                    });
+                } else {
+                    offsets.setDesiredOffsets(getTokensAndComments(node), sourceCode.getFirstToken(node), variableIndent);
+                }
                 const lastToken = sourceCode.getLastToken(node);
 
                 if (astUtils.isSemicolonToken(lastToken)) {
@@ -1285,43 +1313,12 @@ module.exports = {
             VariableDeclarator(node) {
                 if (node.init) {
                     const equalOperator = sourceCode.getTokenBefore(node.init, astUtils.isNotOpeningParenToken);
-                    const tokenAfterOperator = sourceCode.getTokenAfter(equalOperator);
+                    const tokensAfterOperator = sourceCode.getTokensAfter(equalOperator, token => token.range[1] <= node.range[1]);
 
                     offsets.ignoreToken(equalOperator);
-                    offsets.ignoreToken(tokenAfterOperator);
-                    offsets.matchIndentOf(equalOperator, tokenAfterOperator);
-                    offsets.matchIndentOf(sourceCode.getFirstToken(node), equalOperator);
-                }
-            },
-
-            "VariableDeclarator:exit"(node) {
-
-                /*
-                 * VariableDeclarator indentation is a bit different from other forms of indentation, in that the
-                 * indentation of an opening bracket sometimes won't match that of a closing bracket. For example,
-                 * the following indentations are correct:
-                 *
-                 * var foo = {
-                 *   ok: true
-                 * };
-                 *
-                 * var foo = {
-                 *     ok: true,
-                 *   },
-                 *   bar = 1;
-                 *
-                 * Account for when exiting the AST (after indentations have already been set for the nodes in
-                 * the declaration) by manually increasing the indentation level of the tokens in the first declarator if the
-                 * parent declaration has more than one declarator.
-                 */
-                if (node.parent.declarations.length > 1 && node.parent.declarations[0] === node && node.init) {
-                    const valueTokens = new Set(getTokensAndComments(node.init));
-
-                    valueTokens.forEach(token => {
-                        if (!valueTokens.has(offsets.getFirstDependency(token))) {
-                            offsets.increaseOffset(token, options.VariableDeclarator[node.parent.kind]);
-                        }
-                    });
+                    offsets.ignoreToken(tokensAfterOperator[0]);
+                    offsets.setDesiredOffsets(tokensAfterOperator, equalOperator, 1);
+                    offsets.matchIndentOf(sourceCode.getLastToken(node.id), equalOperator);
                 }
             },
 
@@ -1366,13 +1363,14 @@ module.exports = {
 
             JSXExpressionContainer(node) {
                 const openingCurly = sourceCode.getFirstToken(node);
-                const firstExpressionToken = sourceCode.getFirstToken(node.expression);
+                const closingCurly = sourceCode.getLastToken(node);
 
-                if (firstExpressionToken) {
-                    offsets.setDesiredOffset(firstExpressionToken, openingCurly, 1);
-                }
-
-                offsets.matchIndentOf(openingCurly, sourceCode.getLastToken(node));
+                offsets.setDesiredOffsets(
+                    sourceCode.getTokensBetween(openingCurly, closingCurly, { includeComments: true }),
+                    openingCurly,
+                    1
+                );
+                offsets.matchIndentOf(openingCurly, closingCurly);
             },
 
             "Program:exit"() {

tools/eslint/lib/rules/multiline-ternary.js

@@ -20,13 +20,15 @@ module.exports = {
         },
         schema: [
             {
-                enum: ["always", "never"]
+                enum: ["always", "always-multiline", "never"]
             }
         ]
     },
 
     create(context) {
-        const multiline = context.options[0] !== "never";
+        const option = context.options[0];
+        const multiline = option !== "never";
+        const allowSingleLine = option === "always-multiline";
 
         //--------------------------------------------------------------------------
         // Helpers
@@ -69,6 +71,10 @@ module.exports = {
                         reportError(node.consequent, node, false);
                     }
                 } else {
+                    if (allowSingleLine && node.loc.start.line === node.loc.end.line) {
+                        return;
+                    }
+
                     if (areTestAndConsequentOnSameLine) {
                         reportError(node.test, node, true);
                     }

tools/eslint/lib/rules/no-debugger.js

@@ -5,6 +5,8 @@
 
 "use strict";
 
+const astUtils = require("../ast-utils");
+
 //------------------------------------------------------------------------------
 // Rule Definition
 //------------------------------------------------------------------------------
@@ -28,7 +30,10 @@ module.exports = {
                     node,
                     message: "Unexpected 'debugger' statement.",
                     fix(fixer) {
-                        return fixer.remove(node);
+                        if (astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) {
+                            return fixer.remove(node);
+                        }
+                        return null;
                     }
                 });
             }

tools/eslint/lib/rules/no-extra-parens.js

@@ -426,7 +426,7 @@ module.exports = {
                     secondToken.type === "Keyword" && (
                         secondToken.value === "function" ||
                         secondToken.value === "class" ||
-                        secondToken.value === "let" && astUtils.isOpeningBracketToken(sourceCode.getTokenAfter(secondToken))
+                        secondToken.value === "let" && astUtils.isOpeningBracketToken(sourceCode.getTokenAfter(secondToken, astUtils.isNotClosingParenToken))
                     )
                 )
             ) {
@@ -512,16 +512,27 @@ module.exports = {
             ExportDefaultDeclaration: node => checkExpressionOrExportStatement(node.declaration),
             ExpressionStatement: node => checkExpressionOrExportStatement(node.expression),
 
-            ForInStatement(node) {
-                if (hasExcessParens(node.right)) {
-                    report(node.right);
-                }
-                if (hasExcessParens(node.left)) {
-                    report(node.left);
-                }
-            },
+            "ForInStatement, ForOfStatement"(node) {
+                if (node.left.type !== "VariableDeclarator") {
+                    const firstLeftToken = sourceCode.getFirstToken(node.left, astUtils.isNotOpeningParenToken);
 
-            ForOfStatement(node) {
+                    if (
+                        firstLeftToken.value === "let" && (
+
+                            // If `let` is the only thing on the left side of the loop, it's the loop variable: `for ((let) of foo);`
+                            // Removing it will cause a syntax error, because it will be parsed as the start of a VariableDeclarator.
+                            firstLeftToken.range[1] === node.left.range[1] ||
+
+                            // If `let` is followed by a `[` token, it's a property access on the `let` value: `for ((let[foo]) of bar);`
+                            // Removing it will cause the property access to be parsed as a destructuring declaration of `foo` instead.
+                            astUtils.isOpeningBracketToken(
+                                sourceCode.getTokenAfter(firstLeftToken, astUtils.isNotClosingParenToken)
+                            )
+                        )
+                    ) {
+                        tokensToIgnore.add(firstLeftToken);
+                    }
+                }
                 if (hasExcessParens(node.right)) {
                     report(node.right);
                 }

tools/eslint/lib/rules/no-regex-spaces.js

@@ -37,11 +37,11 @@ module.exports = {
          * @private
          */
         function checkRegex(node, value, valueStart) {
-            const multipleSpacesRegex = /( {2,})+?/,
+            const multipleSpacesRegex = /( {2,})( [+*{?]|[^+*{?]|$)/,
                 regexResults = multipleSpacesRegex.exec(value);
 
             if (regexResults !== null) {
-                const count = regexResults[0].length;
+                const count = regexResults[1].length;
 
                 context.report({
                     node,

tools/eslint/lib/rules/no-sync.js

@@ -19,14 +19,26 @@ module.exports = {
             recommended: false
         },
 
-        schema: []
+        schema: [
+            {
+                type: "object",
+                properties: {
+                    allowAtRootLevel: {
+                        type: "boolean"
+                    }
+                },
+                additionalProperties: false
+            }
+        ]
     },
 
     create(context) {
+        const selector = context.options[0] && context.options[0].allowAtRootLevel
+            ? ":function MemberExpression[property.name=/.*Sync$/]"
+            : "MemberExpression[property.name=/.*Sync$/]";
 
         return {
-
-            "MemberExpression[property.name=/.*Sync$/]"(node) {
+            [selector](node) {
                 context.report({
                     node,
                     message: "Unexpected sync method: '{{propertyName}}'.",

tools/eslint/lib/testers/rule-tester.js

@@ -44,10 +44,9 @@ const lodash = require("lodash"),
     assert = require("assert"),
     util = require("util"),
     validator = require("../config/config-validator"),
-    validate = require("is-my-json-valid"),
+    ajv = require("../util/ajv"),
     Linter = require("../linter"),
     Environments = require("../config/environments"),
-    metaSchema = require("../../conf/json-schema-schema.json"),
     SourceCodeFixer = require("../util/source-code-fixer");
 
 //------------------------------------------------------------------------------
@@ -73,8 +72,6 @@ const RuleTesterParameters = [
     "output"
 ];
 
-const validateSchema = validate(metaSchema, { verbose: true });
-
 const hasOwnProperty = Function.call.bind(Object.hasOwnProperty);
 
 /**
@@ -318,12 +315,16 @@ class RuleTester {
             const schema = validator.getRuleOptionsSchema(ruleName, linter.rules);
 
             if (schema) {
-                validateSchema(schema);
+                ajv.validateSchema(schema);
 
-                if (validateSchema.errors) {
-                    throw new Error([
-                        `Schema for rule ${ruleName} is invalid:`
-                    ].concat(validateSchema.errors.map(error => `\t${error.field}: ${error.message}`)).join("\n"));
+                if (ajv.errors) {
+                    const errors = ajv.errors.map(error => {
+                        const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath;
+
+                        return `\t${field}: ${error.message}`;
+                    }).join("\n");
+
+                    throw new Error([`Schema for rule ${ruleName} is invalid:`, errors]);
                 }
             }
 

tools/eslint/lib/util/ajv.js

@@ -0,0 +1,29 @@
+/**
+ * @fileoverview The instance of Ajv validator.
+ * @author Evgeny Poberezkin
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Ajv = require("ajv"),
+    metaSchema = require("ajv/lib/refs/json-schema-draft-04.json");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+const ajv = new Ajv({
+    meta: false,
+    validateSchema: false,
+    missingRefs: "ignore",
+    verbose: true
+});
+
+ajv.addMetaSchema(metaSchema);
+// eslint-disable-next-line no-underscore-dangle
+ajv._opts.defaultMeta = metaSchema.id;
+
+module.exports = ajv;

tools/eslint/lib/util/source-code-fixer.js

@@ -55,10 +55,10 @@ function SourceCodeFixer() {
  * smart about the fixes and won't apply fixes over the same area in the text.
  * @param {SourceCode} sourceCode The source code to apply the changes to.
  * @param {Message[]} messages The array of messages reported by ESLint.
+ * @param {boolean|Function} [shouldFix=true] Determines whether each message should be fixed
  * @returns {Object} An object containing the fixed text and any unfixed messages.
  */
-SourceCodeFixer.applyFixes = function(sourceCode, messages) {
-
+SourceCodeFixer.applyFixes = function(sourceCode, messages, shouldFix) {
     debug("Applying fixes");
 
     if (!sourceCode) {
@@ -70,6 +70,15 @@ SourceCodeFixer.applyFixes = function(sourceCode, messages) {
         };
     }
 
+    if (shouldFix === false) {
+        debug("shouldFix parameter was false, not attempting fixes");
+        return {
+            fixed: false,
+            messages,
+            output: sourceCode.text
+        };
+    }
+
     // clone the array
     const remainingMessages = [],
         fixes = [],
@@ -78,6 +87,34 @@ SourceCodeFixer.applyFixes = function(sourceCode, messages) {
     let lastPos = Number.NEGATIVE_INFINITY,
         output = bom;
 
+    /**
+     * Try to use the 'fix' from a problem.
+     * @param   {Message} problem The message object to apply fixes from
+     * @returns {boolean}         Whether fix was successfully applied
+     */
+    function attemptFix(problem) {
+        const fix = problem.fix;
+        const start = fix.range[0];
+        const end = fix.range[1];
+
+        // Remain it as a problem if it's overlapped or it's a negative range
+        if (lastPos >= start || start > end) {
+            remainingMessages.push(problem);
+            return false;
+        }
+
+        // Remove BOM.
+        if ((start < 0 && end >= 0) || (start === 0 && fix.text.startsWith(BOM))) {
+            output = "";
+        }
+
+        // Make output to this fix.
+        output += text.slice(Math.max(0, lastPos), Math.max(0, start));
+        output += fix.text;
+        lastPos = end;
+        return true;
+    }
+
     messages.forEach(problem => {
         if (problem.hasOwnProperty("fix")) {
             fixes.push(problem);
@@ -88,32 +125,23 @@ SourceCodeFixer.applyFixes = function(sourceCode, messages) {
 
     if (fixes.length) {
         debug("Found fixes to apply");
+        let fixesWereApplied = false;
 
         for (const problem of fixes.sort(compareMessagesByFixRange)) {
-            const fix = problem.fix;
-            const start = fix.range[0];
-            const end = fix.range[1];
+            if (typeof shouldFix !== "function" || shouldFix(problem)) {
+                attemptFix(problem);
 
-            // Remain it as a problem if it's overlapped or it's a negative range
-            if (lastPos >= start || start > end) {
+                // The only time attemptFix will fail is if a previous fix was
+                // applied which conflicts with it.  So we can mark this as true.
+                fixesWereApplied = true;
+            } else {
                 remainingMessages.push(problem);
-                continue;
             }
-
-            // Remove BOM.
-            if ((start < 0 && end >= 0) || (start === 0 && fix.text.startsWith(BOM))) {
-                output = "";
-            }
-
-            // Make output to this fix.
-            output += text.slice(Math.max(0, lastPos), Math.max(0, start));
-            output += fix.text;
-            lastPos = end;
         }
         output += text.slice(Math.max(0, lastPos));
 
         return {
-            fixed: true,
+            fixed: fixesWereApplied,
             messages: remainingMessages.sort(compareMessagesByLocation),
             output
         };

tools/eslint/node_modules/.bin/acorn

@@ -1 +0,0 @@
-../acorn/bin/acorn

tools/eslint/node_modules/.bin/esparse

@@ -1 +0,0 @@
-../esprima/bin/esparse.js

tools/eslint/node_modules/.bin/esvalidate

@@ -1 +0,0 @@
-../esprima/bin/esvalidate.js

tools/eslint/node_modules/.bin/js-yaml

@@ -1 +0,0 @@
-../js-yaml/bin/js-yaml.js

tools/eslint/node_modules/.bin/mkdirp

@@ -1 +0,0 @@
-../mkdirp/bin/cmd.js

tools/eslint/node_modules/.bin/rimraf

@@ -1 +0,0 @@
-../rimraf/bin.js

tools/eslint/node_modules/acorn-jsx/node_modules/.bin/acorn

@@ -1 +0,0 @@
-../acorn/bin/acorn

tools/eslint/node_modules/acorn/AUTHORS

@@ -8,12 +8,14 @@ Angelo
 Aparajita Fishman
 Arian Stolwijk
 Artem Govorov
+Bradley Heinz
 Brandon Mills
 Charles Hughes
 Conrad Irwin
 Daniel Tschinder
 David Bonnet
 Domenico Matteo
+ehmicky
 Forbes Lindesay
 Gilad Peleg
 impinball
@@ -32,6 +34,7 @@ Keheliya Gallaba
 Kevin Irish
 Kevin Kwok
 krator
+Marek
 Marijn Haverbeke
 Martin Carlberg
 Mat Garcia
@@ -60,5 +63,6 @@ Simen Bekkhus
 Teddy Katz
 Timothy Gu
 Toru Nagashima
+Victor Homyakov
 Wexpo Lyu
 zsjforcn

tools/eslint/node_modules/acorn/LICENSE

@@ -1,4 +1,4 @@
-Copyright (C) 2012-2016 by various contributors (see AUTHORS)
+Copyright (C) 2012-2017 by various contributors (see AUTHORS)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

tools/eslint/node_modules/acorn/README.md

@@ -63,9 +63,9 @@ object referring to that same position.
 [estree]: https://github.com/estree/estree
 
 - **ecmaVersion**: Indicates the ECMAScript version to parse. Must be
-  either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support for strict
-  mode, the set of reserved words, and support for new syntax features.
-  Default is 7.
+  either 3, 5, 6 (2015), 7 (2016), 8 (2017), or 9 (2018, partial
+  support). This influences support for strict mode, the set of
+  reserved words, and support for new syntax features. Default is 7.
 
   **NOTE**: Only 'stage 4' (finalized) ECMAScript features are being
   implemented by Acorn.
@@ -268,10 +268,33 @@ simply visit all statements and expressions and not produce a
 meaningful state. (An example of a use of state is to track scope at
 each point in the tree.)
 
+```js
+const acorn = require("acorn")
+const walk = require("acorn/dist/walk")
+
+walk.simple(acorn.parse("let x = 10"), {
+  Literal(node) {
+    console.log(`Found a literal: ${node.value}`)
+  }
+})
+```
+
 **ancestor**`(node, visitors, base, state)` does a 'simple' walk over
 a tree, building up an array of ancestor nodes (including the current node)
 and passing the array to the callbacks as a third parameter.
 
+```js
+const acorn = require("acorn")
+const walk = require("acorn/dist/walk")
+
+walk.ancestor(acorn.parse("foo('hi')"), {
+  Literal(_, ancestors) {
+    console.log("This literal's ancestors are:",
+                ancestors.map(n => n.type))
+  }
+})
+```
+
 **recursive**`(node, state, functions, base)` does a 'recursive'
 walk, where the walker functions are responsible for continuing the
 walk on the child nodes of their target node. `state` is the start
@@ -287,6 +310,23 @@ default walkers will be used.
 walker functions in `functions` and filling in the missing ones by
 taking defaults from `base`.
 
+**full**`(node, callback, base, state)` does a 'full'
+walk over a tree, calling the callback with the arguments (node, state, type)
+for each node
+
+**fullAncestor**`(node, callback, base, state)` does a 'full' walk over
+a tree, building up an array of ancestor nodes (including the current node)
+and passing the array to the callbacks as a third parameter.
+
+```js
+const acorn = require("acorn")
+const walk = require("acorn/dist/walk")
+
+walk.full(acorn.parse("1 + 1"), node => {
+  console.log(`There's a ${node.type} node at ${node.ch}`)
+})
+```
+
 **findNodeAt**`(node, start, end, test, base, state)` tries to
 locate a node in a tree at the given start and/or end offsets, which
 satisfies the predicate `test`. `start` and `end` can be either `null`
@@ -407,3 +447,6 @@ looseParser.extend("readToken", function(nextMethod) {
  - [`acorn-object-spread`](https://github.com/UXtemple/acorn-object-spread): Parse [object spread syntax proposal](https://github.com/sebmarkbage/ecmascript-rest-spread)
  - [`acorn-es7`](https://www.npmjs.com/package/acorn-es7): Parse [decorator syntax proposal](https://github.com/wycats/javascript-decorators)
  - [`acorn-objj`](https://www.npmjs.com/package/acorn-objj): [Objective-J](http://www.cappuccino-project.org/learn/objective-j.html) language parser built as Acorn plugin
+ - [`acorn-object-rest-spread`](https://github.com/victor-homyakov/acorn-object-rest-spread) Parse [Object Rest/Spread Properties proposal](https://github.com/tc39/proposal-object-rest-spread), works with latest Acorn version (5.0.3)
+ - [`acorn-static-class-property-initializer`](https://github.com/victor-homyakov/acorn-static-class-property-initializer) Partial support for static class properties from [ES Class Fields & Static Properties Proposal](https://github.com/tc39/proposal-class-public-fields) to support static property initializers in [React components written as ES6+ classes](https://babeljs.io/blog/2015/06/07/react-on-es6-plus)
+ 

tools/eslint/node_modules/acorn/bin/acorn

@@ -10,60 +10,60 @@ var forceFile;
 var silent = false;
 var compact = false;
 var tokenize = false;
-var options = {}
+var options = {};
 
 function help(status) {
-  var print = (status == 0) ? console.log : console.error
-  print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]")
-  print("        [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]")
-  process.exit(status)
+  var print = (status == 0) ? console.log : console.error;
+  print("usage: " + path.basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]");
+  print("        [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]");
+  process.exit(status);
 }
 
 for (var i = 2; i < process.argv.length; ++i) {
-  var arg = process.argv[i]
-  if ((arg == "-" || arg[0] != "-") && !infile) infile = arg
-  else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i]
-  else if (arg == "--locations") options.locations = true
-  else if (arg == "--allow-hash-bang") options.allowHashBang = true
-  else if (arg == "--silent") silent = true
-  else if (arg == "--compact") compact = true
-  else if (arg == "--help") help(0)
-  else if (arg == "--tokenize") tokenize = true
-  else if (arg == "--module") options.sourceType = "module"
+  var arg = process.argv[i];
+  if ((arg == "-" || arg[0] != "-") && !infile) { infile = arg; }
+  else if (arg == "--" && !infile && i + 2 == process.argv.length) { forceFile = infile = process.argv[++i]; }
+  else if (arg == "--locations") { options.locations = true; }
+  else if (arg == "--allow-hash-bang") { options.allowHashBang = true; }
+  else if (arg == "--silent") { silent = true; }
+  else if (arg == "--compact") { compact = true; }
+  else if (arg == "--help") { help(0); }
+  else if (arg == "--tokenize") { tokenize = true; }
+  else if (arg == "--module") { options.sourceType = "module"; }
   else {
-    var match = arg.match(/^--ecma(\d+)$/)
+    var match = arg.match(/^--ecma(\d+)$/);
     if (match)
-      options.ecmaVersion = +match[1]
+      { options.ecmaVersion = +match[1]; }
     else
-      help(1)
+      { help(1); }
   }
 }
 
 function run(code) {
-  var result
+  var result;
   try {
     if (!tokenize) {
-      result = acorn.parse(code, options)
+      result = acorn.parse(code, options);
     } else {
-      result = []
-      var tokenizer = acorn.tokenizer(code, options), token
+      result = [];
+      var tokenizer$$1 = acorn.tokenizer(code, options), token;
       do {
-        token = tokenizer.getToken()
-        result.push(token)
+        token = tokenizer$$1.getToken();
+        result.push(token);
       } while (token.type != acorn.tokTypes.eof)
     }
   } catch (e) {
-    console.error(e.message)
-    process.exit(1)
+    console.error(e.message);
+    process.exit(1);
   }
-  if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2))
+  if (!silent) { console.log(JSON.stringify(result, null, compact ? null : 2)); }
 }
 
 if (forceFile || infile && infile != "-") {
-  run(fs.readFileSync(infile, "utf8"))
+  run(fs.readFileSync(infile, "utf8"));
 } else {
-  var code = ""
-  process.stdin.resume()
-  process.stdin.on("data", function (chunk) { return code += chunk; })
-  process.stdin.on("end", function () { return run(code); })
-}
+  var code = "";
+  process.stdin.resume();
+  process.stdin.on("data", function (chunk) { return code += chunk; });
+  process.stdin.on("end", function () { return run(code); });
+}

tools/eslint/node_modules/acorn/dist/walk.es.js

@@ -17,28 +17,27 @@
 // state.
 
 function simple(node, visitors, base, state, override) {
-  if (!base) base = exports.base
-  ;(function c(node, st, override) {
-    var type = override || node.type, found = visitors[type]
-    base[type](node, st, c)
-    if (found) found(node, st)
-  })(node, state, override)
+  if (!base) { base = exports.base
+  ; }(function c(node, st, override) {
+    var type = override || node.type, found = visitors[type];
+    base[type](node, st, c);
+    if (found) { found(node, st); }
+  })(node, state, override);
 }
 
 // An ancestor walk keeps an array of ancestor nodes (including the
 // current node) and passes them to the callback as third parameter
 // (and also as state parameter when no other state is present).
 function ancestor(node, visitors, base, state) {
-  if (!base) base = exports.base
-  var ancestors = []
-  ;(function c(node, st, override) {
-    var type = override || node.type, found = visitors[type]
-    var isNew = node != ancestors[ancestors.length - 1]
-    if (isNew) ancestors.push(node)
-    base[type](node, st, c)
-    if (found) found(node, st || ancestors, ancestors)
-    if (isNew) ancestors.pop()
-  })(node, state)
+  if (!base) { base = exports.base; }
+  var ancestors = [];(function c(node, st, override) {
+    var type = override || node.type, found = visitors[type];
+    var isNew = node != ancestors[ancestors.length - 1];
+    if (isNew) { ancestors.push(node); }
+    base[type](node, st, c);
+    if (found) { found(node, st || ancestors, ancestors); }
+    if (isNew) { ancestors.pop(); }
+  })(node, state);
 }
 
 // A recursive walk is one where your functions override the default
@@ -47,42 +46,65 @@ function ancestor(node, visitors, base, state) {
 // their child nodes (by calling their third argument on these
 // nodes).
 function recursive(node, state, funcs, base, override) {
-  var visitor = funcs ? exports.make(funcs, base) : base
-  ;(function c(node, st, override) {
-    visitor[override || node.type](node, st, c)
-  })(node, state, override)
+  var visitor = funcs ? exports.make(funcs, base) : base;(function c(node, st, override) {
+    visitor[override || node.type](node, st, c);
+  })(node, state, override);
 }
 
 function makeTest(test) {
   if (typeof test == "string")
-    return function (type) { return type == test; }
+    { return function (type) { return type == test; } }
   else if (!test)
-    return function () { return true; }
+    { return function () { return true; } }
   else
-    return test
+    { return test }
 }
 
-var Found = function Found(node, state) { this.node = node; this.state = state };
+var Found = function Found(node, state) { this.node = node; this.state = state; };
+
+// A full walk triggers the callback on each node
+function full(node, callback, base, state, override) {
+  if (!base) { base = exports.base
+  ; }(function c(node, st, override) {
+    var type = override || node.type;
+    base[type](node, st, c);
+    callback(node, st, type);
+  })(node, state, override);
+}
+
+// An fullAncestor walk is like an ancestor walk, but triggers
+// the callback on each node
+function fullAncestor(node, callback, base, state) {
+  if (!base) { base = exports.base; }
+  var ancestors = [];(function c(node, st, override) {
+    var type = override || node.type;
+    var isNew = node != ancestors[ancestors.length - 1];
+    if (isNew) { ancestors.push(node); }
+    base[type](node, st, c);
+    callback(node, st || ancestors, ancestors, type);
+    if (isNew) { ancestors.pop(); }
+  })(node, state);
+}
 
 // Find a node with a given start, end, and type (all are optional,
 // null can be used as wildcard). Returns a {node, state} object, or
 // undefined when it doesn't find a matching node.
 function findNodeAt(node, start, end, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      var type = override || node.type
+      var type = override || node.type;
       if ((start == null || node.start <= start) &&
           (end == null || node.end >= end))
-        base[type](node, st, c)
+        { base[type](node, st, c); }
       if ((start == null || node.start == start) &&
           (end == null || node.end == end) &&
           test(type, node))
-        throw new Found(node, st)
-    })(node, state)
+        { throw new Found(node, st) }
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
@@ -90,253 +112,296 @@ function findNodeAt(node, start, end, test, base, state) {
 // Find the innermost node of a given type that contains the given
 // position. Interface similar to findNodeAt.
 function findNodeAround(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      var type = override || node.type
-      if (node.start > pos || node.end < pos) return
-      base[type](node, st, c)
-      if (test(type, node)) throw new Found(node, st)
-    })(node, state)
+      var type = override || node.type;
+      if (node.start > pos || node.end < pos) { return }
+      base[type](node, st, c);
+      if (test(type, node)) { throw new Found(node, st) }
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
 
 // Find the outermost matching node after a given position.
 function findNodeAfter(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      if (node.end < pos) return
-      var type = override || node.type
-      if (node.start >= pos && test(type, node)) throw new Found(node, st)
-      base[type](node, st, c)
-    })(node, state)
+      if (node.end < pos) { return }
+      var type = override || node.type;
+      if (node.start >= pos && test(type, node)) { throw new Found(node, st) }
+      base[type](node, st, c);
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
 
 // Find the outermost matching node before a given position.
 function findNodeBefore(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  var max
-  ;(function c(node, st, override) {
-    if (node.start > pos) return
-    var type = override || node.type
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
+  var max;(function c(node, st, override) {
+    if (node.start > pos) { return }
+    var type = override || node.type;
     if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node))
-      max = new Found(node, st)
-    base[type](node, st, c)
-  })(node, state)
+      { max = new Found(node, st); }
+    base[type](node, st, c);
+  })(node, state);
   return max
 }
 
 // Fallback to an Object.create polyfill for older environments.
 var create = Object.create || function(proto) {
   function Ctor() {}
-  Ctor.prototype = proto
+  Ctor.prototype = proto;
   return new Ctor
-}
+};
 
 // Used to create a custom walker. Will fill in all missing node
 // type properties with the defaults.
 function make(funcs, base) {
-  if (!base) base = exports.base
-  var visitor = create(base)
-  for (var type in funcs) visitor[type] = funcs[type]
+  if (!base) { base = exports.base; }
+  var visitor = create(base);
+  for (var type in funcs) { visitor[type] = funcs[type]; }
   return visitor
 }
 
-function skipThrough(node, st, c) { c(node, st) }
+function skipThrough(node, st, c) { c(node, st); }
 function ignore(_node, _st, _c) {}
 
 // Node walkers.
 
-var base = {}
+var base = {};
 
 base.Program = base.BlockStatement = function (node, st, c) {
-  for (var i = 0; i < node.body.length; ++i)
-    c(node.body[i], st, "Statement")
-}
-base.Statement = skipThrough
-base.EmptyStatement = ignore
-base.ExpressionStatement = base.ParenthesizedExpression =
-  function (node, st, c) { return c(node.expression, st, "Expression"); }
-base.IfStatement = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Statement")
-  if (node.alternate) c(node.alternate, st, "Statement")
-}
-base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); }
-base.BreakStatement = base.ContinueStatement = ignore
-base.WithStatement = function (node, st, c) {
-  c(node.object, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.SwitchStatement = function (node, st, c) {
-  c(node.discriminant, st, "Expression")
-  for (var i = 0; i < node.cases.length; ++i) {
-    var cs = node.cases[i]
-    if (cs.test) c(cs.test, st, "Expression")
-    for (var j = 0; j < cs.consequent.length; ++j)
-      c(cs.consequent[j], st, "Statement")
-  }
-}
-base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) {
-  if (node.argument) c(node.argument, st, "Expression")
-}
-base.ThrowStatement = base.SpreadElement =
-  function (node, st, c) { return c(node.argument, st, "Expression"); }
-base.TryStatement = function (node, st, c) {
-  c(node.block, st, "Statement")
-  if (node.handler) c(node.handler, st)
-  if (node.finalizer) c(node.finalizer, st, "Statement")
-}
-base.CatchClause = function (node, st, c) {
-  c(node.param, st, "Pattern")
-  c(node.body, st, "ScopeBody")
-}
-base.WhileStatement = base.DoWhileStatement = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForStatement = function (node, st, c) {
-  if (node.init) c(node.init, st, "ForInit")
-  if (node.test) c(node.test, st, "Expression")
-  if (node.update) c(node.update, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInStatement = base.ForOfStatement = function (node, st, c) {
-  c(node.left, st, "ForInit")
-  c(node.right, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInit = function (node, st, c) {
-  if (node.type == "VariableDeclaration") c(node, st)
-  else c(node, st, "Expression")
-}
-base.DebuggerStatement = ignore
+  for (var i = 0, list = node.body; i < list.length; i += 1)
+    {
+    var stmt = list[i];
 
-base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); }
+    c(stmt, st, "Statement");
+  }
+};
+base.Statement = skipThrough;
+base.EmptyStatement = ignore;
+base.ExpressionStatement = base.ParenthesizedExpression =
+  function (node, st, c) { return c(node.expression, st, "Expression"); };
+base.IfStatement = function (node, st, c) {
+  c(node.test, st, "Expression");
+  c(node.consequent, st, "Statement");
+  if (node.alternate) { c(node.alternate, st, "Statement"); }
+};
+base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); };
+base.BreakStatement = base.ContinueStatement = ignore;
+base.WithStatement = function (node, st, c) {
+  c(node.object, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.SwitchStatement = function (node, st, c) {
+  c(node.discriminant, st, "Expression");
+  for (var i = 0, list = node.cases; i < list.length; i += 1) {
+    var cs = list[i];
+
+    if (cs.test) { c(cs.test, st, "Expression"); }
+    for (var i$1 = 0, list$1 = cs.consequent; i$1 < list$1.length; i$1 += 1)
+      {
+      var cons = list$1[i$1];
+
+      c(cons, st, "Statement");
+    }
+  }
+};
+base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) {
+  if (node.argument) { c(node.argument, st, "Expression"); }
+};
+base.ThrowStatement = base.SpreadElement =
+  function (node, st, c) { return c(node.argument, st, "Expression"); };
+base.TryStatement = function (node, st, c) {
+  c(node.block, st, "Statement");
+  if (node.handler) { c(node.handler, st); }
+  if (node.finalizer) { c(node.finalizer, st, "Statement"); }
+};
+base.CatchClause = function (node, st, c) {
+  c(node.param, st, "Pattern");
+  c(node.body, st, "ScopeBody");
+};
+base.WhileStatement = base.DoWhileStatement = function (node, st, c) {
+  c(node.test, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.ForStatement = function (node, st, c) {
+  if (node.init) { c(node.init, st, "ForInit"); }
+  if (node.test) { c(node.test, st, "Expression"); }
+  if (node.update) { c(node.update, st, "Expression"); }
+  c(node.body, st, "Statement");
+};
+base.ForInStatement = base.ForOfStatement = function (node, st, c) {
+  c(node.left, st, "ForInit");
+  c(node.right, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.ForInit = function (node, st, c) {
+  if (node.type == "VariableDeclaration") { c(node, st); }
+  else { c(node, st, "Expression"); }
+};
+base.DebuggerStatement = ignore;
+
+base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); };
 base.VariableDeclaration = function (node, st, c) {
-  for (var i = 0; i < node.declarations.length; ++i)
-    c(node.declarations[i], st)
-}
+  for (var i = 0, list = node.declarations; i < list.length; i += 1)
+    {
+    var decl = list[i];
+
+    c(decl, st);
+  }
+};
 base.VariableDeclarator = function (node, st, c) {
-  c(node.id, st, "Pattern")
-  if (node.init) c(node.init, st, "Expression")
-}
+  c(node.id, st, "Pattern");
+  if (node.init) { c(node.init, st, "Expression"); }
+};
 
 base.Function = function (node, st, c) {
-  if (node.id) c(node.id, st, "Pattern")
-  for (var i = 0; i < node.params.length; i++)
-    c(node.params[i], st, "Pattern")
-  c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody")
-}
+  if (node.id) { c(node.id, st, "Pattern"); }
+  for (var i = 0, list = node.params; i < list.length; i += 1)
+    {
+    var param = list[i];
+
+    c(param, st, "Pattern");
+  }
+  c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody");
+};
 // FIXME drop these node types in next major version
 // (They are awkward, and in ES6 every block can be a scope.)
-base.ScopeBody = function (node, st, c) { return c(node, st, "Statement"); }
-base.ScopeExpression = function (node, st, c) { return c(node, st, "Expression"); }
+base.ScopeBody = function (node, st, c) { return c(node, st, "Statement"); };
+base.ScopeExpression = function (node, st, c) { return c(node, st, "Expression"); };
 
 base.Pattern = function (node, st, c) {
   if (node.type == "Identifier")
-    c(node, st, "VariablePattern")
+    { c(node, st, "VariablePattern"); }
   else if (node.type == "MemberExpression")
-    c(node, st, "MemberPattern")
+    { c(node, st, "MemberPattern"); }
   else
-    c(node, st)
-}
-base.VariablePattern = ignore
-base.MemberPattern = skipThrough
-base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); }
+    { c(node, st); }
+};
+base.VariablePattern = ignore;
+base.MemberPattern = skipThrough;
+base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); };
 base.ArrayPattern = function (node, st, c) {
-  for (var i = 0; i < node.elements.length; ++i) {
-    var elt = node.elements[i]
-    if (elt) c(elt, st, "Pattern")
-  }
-}
-base.ObjectPattern = function (node, st, c) {
-  for (var i = 0; i < node.properties.length; ++i)
-    c(node.properties[i].value, st, "Pattern")
-}
+  for (var i = 0, list = node.elements; i < list.length; i += 1) {
+    var elt = list[i];
 
-base.Expression = skipThrough
-base.ThisExpression = base.Super = base.MetaProperty = ignore
-base.ArrayExpression = function (node, st, c) {
-  for (var i = 0; i < node.elements.length; ++i) {
-    var elt = node.elements[i]
-    if (elt) c(elt, st, "Expression")
+    if (elt) { c(elt, st, "Pattern"); }
   }
-}
+};
+base.ObjectPattern = function (node, st, c) {
+  for (var i = 0, list = node.properties; i < list.length; i += 1)
+    {
+    var prop = list[i];
+
+    c(prop.value, st, "Pattern");
+  }
+};
+
+base.Expression = skipThrough;
+base.ThisExpression = base.Super = base.MetaProperty = ignore;
+base.ArrayExpression = function (node, st, c) {
+  for (var i = 0, list = node.elements; i < list.length; i += 1) {
+    var elt = list[i];
+
+    if (elt) { c(elt, st, "Expression"); }
+  }
+};
 base.ObjectExpression = function (node, st, c) {
-  for (var i = 0; i < node.properties.length; ++i)
-    c(node.properties[i], st)
-}
-base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration
+  for (var i = 0, list = node.properties; i < list.length; i += 1)
+    {
+    var prop = list[i];
+
+    c(prop, st);
+  }
+};
+base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration;
 base.SequenceExpression = base.TemplateLiteral = function (node, st, c) {
-  for (var i = 0; i < node.expressions.length; ++i)
-    c(node.expressions[i], st, "Expression")
-}
+  for (var i = 0, list = node.expressions; i < list.length; i += 1)
+    {
+    var expr = list[i];
+
+    c(expr, st, "Expression");
+  }
+};
 base.UnaryExpression = base.UpdateExpression = function (node, st, c) {
-  c(node.argument, st, "Expression")
-}
+  c(node.argument, st, "Expression");
+};
 base.BinaryExpression = base.LogicalExpression = function (node, st, c) {
-  c(node.left, st, "Expression")
-  c(node.right, st, "Expression")
-}
+  c(node.left, st, "Expression");
+  c(node.right, st, "Expression");
+};
 base.AssignmentExpression = base.AssignmentPattern = function (node, st, c) {
-  c(node.left, st, "Pattern")
-  c(node.right, st, "Expression")
-}
+  c(node.left, st, "Pattern");
+  c(node.right, st, "Expression");
+};
 base.ConditionalExpression = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Expression")
-  c(node.alternate, st, "Expression")
-}
+  c(node.test, st, "Expression");
+  c(node.consequent, st, "Expression");
+  c(node.alternate, st, "Expression");
+};
 base.NewExpression = base.CallExpression = function (node, st, c) {
-  c(node.callee, st, "Expression")
-  if (node.arguments) for (var i = 0; i < node.arguments.length; ++i)
-    c(node.arguments[i], st, "Expression")
-}
+  c(node.callee, st, "Expression");
+  if (node.arguments)
+    { for (var i = 0, list = node.arguments; i < list.length; i += 1)
+      {
+        var arg = list[i];
+
+        c(arg, st, "Expression");
+      } }
+};
 base.MemberExpression = function (node, st, c) {
-  c(node.object, st, "Expression")
-  if (node.computed) c(node.property, st, "Expression")
-}
+  c(node.object, st, "Expression");
+  if (node.computed) { c(node.property, st, "Expression"); }
+};
 base.ExportNamedDeclaration = base.ExportDefaultDeclaration = function (node, st, c) {
   if (node.declaration)
-    c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression")
-  if (node.source) c(node.source, st, "Expression")
-}
+    { c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression"); }
+  if (node.source) { c(node.source, st, "Expression"); }
+};
 base.ExportAllDeclaration = function (node, st, c) {
-  c(node.source, st, "Expression")
-}
+  c(node.source, st, "Expression");
+};
 base.ImportDeclaration = function (node, st, c) {
-  for (var i = 0; i < node.specifiers.length; i++)
-    c(node.specifiers[i], st)
-  c(node.source, st, "Expression")
-}
-base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore
+  for (var i = 0, list = node.specifiers; i < list.length; i += 1)
+    {
+    var spec = list[i];
+
+    c(spec, st);
+  }
+  c(node.source, st, "Expression");
+};
+base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore;
 
 base.TaggedTemplateExpression = function (node, st, c) {
-  c(node.tag, st, "Expression")
-  c(node.quasi, st)
-}
-base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); }
+  c(node.tag, st, "Expression");
+  c(node.quasi, st);
+};
+base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); };
 base.Class = function (node, st, c) {
-  if (node.id) c(node.id, st, "Pattern")
-  if (node.superClass) c(node.superClass, st, "Expression")
-  for (var i = 0; i < node.body.body.length; i++)
-    c(node.body.body[i], st)
-}
-base.MethodDefinition = base.Property = function (node, st, c) {
-  if (node.computed) c(node.key, st, "Expression")
-  c(node.value, st, "Expression")
-}
+  if (node.id) { c(node.id, st, "Pattern"); }
+  if (node.superClass) { c(node.superClass, st, "Expression"); }
+  for (var i = 0, list = node.body.body; i < list.length; i += 1)
+    {
+    var item = list[i];
 
-export { simple, ancestor, recursive, findNodeAt, findNodeAround, findNodeAfter, findNodeBefore, make, base };
+    c(item, st);
+  }
+};
+base.MethodDefinition = base.Property = function (node, st, c) {
+  if (node.computed) { c(node.key, st, "Expression"); }
+  c(node.value, st, "Expression");
+};
+
+export { simple, ancestor, recursive, full, fullAncestor, findNodeAt, findNodeAround, findNodeAfter, findNodeBefore, make, base };

tools/eslint/node_modules/acorn/dist/walk.js

@@ -1,7 +1,7 @@
 (function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-  typeof define === 'function' && define.amd ? define(['exports'], factory) :
-  (factory((global.acorn = global.acorn || {}, global.acorn.walk = global.acorn.walk || {})));
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+	typeof define === 'function' && define.amd ? define(['exports'], factory) :
+	(factory((global.acorn = global.acorn || {}, global.acorn.walk = global.acorn.walk || {})));
 }(this, (function (exports) { 'use strict';
 
 // AST walker module for Mozilla Parser API compatible trees
@@ -23,28 +23,27 @@
 // state.
 
 function simple(node, visitors, base, state, override) {
-  if (!base) base = exports.base
-  ;(function c(node, st, override) {
-    var type = override || node.type, found = visitors[type]
-    base[type](node, st, c)
-    if (found) found(node, st)
-  })(node, state, override)
+  if (!base) { base = exports.base
+  ; }(function c(node, st, override) {
+    var type = override || node.type, found = visitors[type];
+    base[type](node, st, c);
+    if (found) { found(node, st); }
+  })(node, state, override);
 }
 
 // An ancestor walk keeps an array of ancestor nodes (including the
 // current node) and passes them to the callback as third parameter
 // (and also as state parameter when no other state is present).
 function ancestor(node, visitors, base, state) {
-  if (!base) base = exports.base
-  var ancestors = []
-  ;(function c(node, st, override) {
-    var type = override || node.type, found = visitors[type]
-    var isNew = node != ancestors[ancestors.length - 1]
-    if (isNew) ancestors.push(node)
-    base[type](node, st, c)
-    if (found) found(node, st || ancestors, ancestors)
-    if (isNew) ancestors.pop()
-  })(node, state)
+  if (!base) { base = exports.base; }
+  var ancestors = [];(function c(node, st, override) {
+    var type = override || node.type, found = visitors[type];
+    var isNew = node != ancestors[ancestors.length - 1];
+    if (isNew) { ancestors.push(node); }
+    base[type](node, st, c);
+    if (found) { found(node, st || ancestors, ancestors); }
+    if (isNew) { ancestors.pop(); }
+  })(node, state);
 }
 
 // A recursive walk is one where your functions override the default
@@ -53,42 +52,65 @@ function ancestor(node, visitors, base, state) {
 // their child nodes (by calling their third argument on these
 // nodes).
 function recursive(node, state, funcs, base, override) {
-  var visitor = funcs ? exports.make(funcs, base) : base
-  ;(function c(node, st, override) {
-    visitor[override || node.type](node, st, c)
-  })(node, state, override)
+  var visitor = funcs ? exports.make(funcs, base) : base;(function c(node, st, override) {
+    visitor[override || node.type](node, st, c);
+  })(node, state, override);
 }
 
 function makeTest(test) {
   if (typeof test == "string")
-    return function (type) { return type == test; }
+    { return function (type) { return type == test; } }
   else if (!test)
-    return function () { return true; }
+    { return function () { return true; } }
   else
-    return test
+    { return test }
 }
 
-var Found = function Found(node, state) { this.node = node; this.state = state };
+var Found = function Found(node, state) { this.node = node; this.state = state; };
+
+// A full walk triggers the callback on each node
+function full(node, callback, base, state, override) {
+  if (!base) { base = exports.base
+  ; }(function c(node, st, override) {
+    var type = override || node.type;
+    base[type](node, st, c);
+    callback(node, st, type);
+  })(node, state, override);
+}
+
+// An fullAncestor walk is like an ancestor walk, but triggers
+// the callback on each node
+function fullAncestor(node, callback, base, state) {
+  if (!base) { base = exports.base; }
+  var ancestors = [];(function c(node, st, override) {
+    var type = override || node.type;
+    var isNew = node != ancestors[ancestors.length - 1];
+    if (isNew) { ancestors.push(node); }
+    base[type](node, st, c);
+    callback(node, st || ancestors, ancestors, type);
+    if (isNew) { ancestors.pop(); }
+  })(node, state);
+}
 
 // Find a node with a given start, end, and type (all are optional,
 // null can be used as wildcard). Returns a {node, state} object, or
 // undefined when it doesn't find a matching node.
 function findNodeAt(node, start, end, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      var type = override || node.type
+      var type = override || node.type;
       if ((start == null || node.start <= start) &&
           (end == null || node.end >= end))
-        base[type](node, st, c)
+        { base[type](node, st, c); }
       if ((start == null || node.start == start) &&
           (end == null || node.end == end) &&
           test(type, node))
-        throw new Found(node, st)
-    })(node, state)
+        { throw new Found(node, st) }
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
@@ -96,258 +118,303 @@ function findNodeAt(node, start, end, test, base, state) {
 // Find the innermost node of a given type that contains the given
 // position. Interface similar to findNodeAt.
 function findNodeAround(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      var type = override || node.type
-      if (node.start > pos || node.end < pos) return
-      base[type](node, st, c)
-      if (test(type, node)) throw new Found(node, st)
-    })(node, state)
+      var type = override || node.type;
+      if (node.start > pos || node.end < pos) { return }
+      base[type](node, st, c);
+      if (test(type, node)) { throw new Found(node, st) }
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
 
 // Find the outermost matching node after a given position.
 function findNodeAfter(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
   try {
     (function c(node, st, override) {
-      if (node.end < pos) return
-      var type = override || node.type
-      if (node.start >= pos && test(type, node)) throw new Found(node, st)
-      base[type](node, st, c)
-    })(node, state)
+      if (node.end < pos) { return }
+      var type = override || node.type;
+      if (node.start >= pos && test(type, node)) { throw new Found(node, st) }
+      base[type](node, st, c);
+    })(node, state);
   } catch (e) {
-    if (e instanceof Found) return e
+    if (e instanceof Found) { return e }
     throw e
   }
 }
 
 // Find the outermost matching node before a given position.
 function findNodeBefore(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  var max
-  ;(function c(node, st, override) {
-    if (node.start > pos) return
-    var type = override || node.type
+  test = makeTest(test);
+  if (!base) { base = exports.base; }
+  var max;(function c(node, st, override) {
+    if (node.start > pos) { return }
+    var type = override || node.type;
     if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node))
-      max = new Found(node, st)
-    base[type](node, st, c)
-  })(node, state)
+      { max = new Found(node, st); }
+    base[type](node, st, c);
+  })(node, state);
   return max
 }
 
 // Fallback to an Object.create polyfill for older environments.
 var create = Object.create || function(proto) {
   function Ctor() {}
-  Ctor.prototype = proto
+  Ctor.prototype = proto;
   return new Ctor
-}
+};
 
 // Used to create a custom walker. Will fill in all missing node
 // type properties with the defaults.
 function make(funcs, base) {
-  if (!base) base = exports.base
-  var visitor = create(base)
-  for (var type in funcs) visitor[type] = funcs[type]
+  if (!base) { base = exports.base; }
+  var visitor = create(base);
+  for (var type in funcs) { visitor[type] = funcs[type]; }
   return visitor
 }
 
-function skipThrough(node, st, c) { c(node, st) }
+function skipThrough(node, st, c) { c(node, st); }
 function ignore(_node, _st, _c) {}
 
 // Node walkers.
 
-var base = {}
+var base = {};
 
 base.Program = base.BlockStatement = function (node, st, c) {
-  for (var i = 0; i < node.body.length; ++i)
-    c(node.body[i], st, "Statement")
-}
-base.Statement = skipThrough
-base.EmptyStatement = ignore
-base.ExpressionStatement = base.ParenthesizedExpression =
-  function (node, st, c) { return c(node.expression, st, "Expression"); }
-base.IfStatement = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Statement")
-  if (node.alternate) c(node.alternate, st, "Statement")
-}
-base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); }
-base.BreakStatement = base.ContinueStatement = ignore
-base.WithStatement = function (node, st, c) {
-  c(node.object, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.SwitchStatement = function (node, st, c) {
-  c(node.discriminant, st, "Expression")
-  for (var i = 0; i < node.cases.length; ++i) {
-    var cs = node.cases[i]
-    if (cs.test) c(cs.test, st, "Expression")
-    for (var j = 0; j < cs.consequent.length; ++j)
-      c(cs.consequent[j], st, "Statement")
-  }
-}
-base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) {
-  if (node.argument) c(node.argument, st, "Expression")
-}
-base.ThrowStatement = base.SpreadElement =
-  function (node, st, c) { return c(node.argument, st, "Expression"); }
-base.TryStatement = function (node, st, c) {
-  c(node.block, st, "Statement")
-  if (node.handler) c(node.handler, st)
-  if (node.finalizer) c(node.finalizer, st, "Statement")
-}
-base.CatchClause = function (node, st, c) {
-  c(node.param, st, "Pattern")
-  c(node.body, st, "ScopeBody")
-}
-base.WhileStatement = base.DoWhileStatement = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForStatement = function (node, st, c) {
-  if (node.init) c(node.init, st, "ForInit")
-  if (node.test) c(node.test, st, "Expression")
-  if (node.update) c(node.update, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInStatement = base.ForOfStatement = function (node, st, c) {
-  c(node.left, st, "ForInit")
-  c(node.right, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInit = function (node, st, c) {
-  if (node.type == "VariableDeclaration") c(node, st)
-  else c(node, st, "Expression")
-}
-base.DebuggerStatement = ignore
+  for (var i = 0, list = node.body; i < list.length; i += 1)
+    {
+    var stmt = list[i];
 
-base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); }
+    c(stmt, st, "Statement");
+  }
+};
+base.Statement = skipThrough;
+base.EmptyStatement = ignore;
+base.ExpressionStatement = base.ParenthesizedExpression =
+  function (node, st, c) { return c(node.expression, st, "Expression"); };
+base.IfStatement = function (node, st, c) {
+  c(node.test, st, "Expression");
+  c(node.consequent, st, "Statement");
+  if (node.alternate) { c(node.alternate, st, "Statement"); }
+};
+base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); };
+base.BreakStatement = base.ContinueStatement = ignore;
+base.WithStatement = function (node, st, c) {
+  c(node.object, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.SwitchStatement = function (node, st, c) {
+  c(node.discriminant, st, "Expression");
+  for (var i = 0, list = node.cases; i < list.length; i += 1) {
+    var cs = list[i];
+
+    if (cs.test) { c(cs.test, st, "Expression"); }
+    for (var i$1 = 0, list$1 = cs.consequent; i$1 < list$1.length; i$1 += 1)
+      {
+      var cons = list$1[i$1];
+
+      c(cons, st, "Statement");
+    }
+  }
+};
+base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) {
+  if (node.argument) { c(node.argument, st, "Expression"); }
+};
+base.ThrowStatement = base.SpreadElement =
+  function (node, st, c) { return c(node.argument, st, "Expression"); };
+base.TryStatement = function (node, st, c) {
+  c(node.block, st, "Statement");
+  if (node.handler) { c(node.handler, st); }
+  if (node.finalizer) { c(node.finalizer, st, "Statement"); }
+};
+base.CatchClause = function (node, st, c) {
+  c(node.param, st, "Pattern");
+  c(node.body, st, "ScopeBody");
+};
+base.WhileStatement = base.DoWhileStatement = function (node, st, c) {
+  c(node.test, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.ForStatement = function (node, st, c) {
+  if (node.init) { c(node.init, st, "ForInit"); }
+  if (node.test) { c(node.test, st, "Expression"); }
+  if (node.update) { c(node.update, st, "Expression"); }
+  c(node.body, st, "Statement");
+};
+base.ForInStatement = base.ForOfStatement = function (node, st, c) {
+  c(node.left, st, "ForInit");
+  c(node.right, st, "Expression");
+  c(node.body, st, "Statement");
+};
+base.ForInit = function (node, st, c) {
+  if (node.type == "VariableDeclaration") { c(node, st); }
+  else { c(node, st, "Expression"); }
+};
+base.DebuggerStatement = ignore;
+
+base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); };
 base.VariableDeclaration = function (node, st, c) {
-  for (var i = 0; i < node.declarations.length; ++i)
-    c(node.declarations[i], st)
-}
+  for (var i = 0, list = node.declarations; i < list.length; i += 1)
+    {
+    var decl = list[i];
+
+    c(decl, st);
+  }
+};
 base.VariableDeclarator = function (node, st, c) {
-  c(node.id, st, "Pattern")
-  if (node.init) c(node.init, st, "Expression")
-}
+  c(node.id, st, "Pattern");
+  if (node.init) { c(node.init, st, "Expression"); }
+};
 
 base.Function = function (node, st, c) {
-  if (node.id) c(node.id, st, "Pattern")
-  for (var i = 0; i < node.params.length; i++)
-    c(node.params[i], st, "Pattern")
-  c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody")
-}
+  if (node.id) { c(node.id, st, "Pattern"); }
+  for (var i = 0, list = node.params; i < list.length; i += 1)
+    {
+    var param = list[i];
+
+    c(param, st, "Pattern");
+  }
+  c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody");
+};
 // FIXME drop these node types in next major version
 // (They are awkward, and in ES6 every block can be a scope.)
-base.ScopeBody = function (node, st, c) { return c(node, st, "Statement"); }
-base.ScopeExpression = function (node, st, c) { return c(node, st, "Expression"); }
+base.ScopeBody = function (node, st, c) { return c(node, st, "Statement"); };
+base.ScopeExpression = function (node, st, c) { return c(node, st, "Expression"); };
 
 base.Pattern = function (node, st, c) {
   if (node.type == "Identifier")
-    c(node, st, "VariablePattern")
+    { c(node, st, "VariablePattern"); }
   else if (node.type == "MemberExpression")
-    c(node, st, "MemberPattern")
+    { c(node, st, "MemberPattern"); }
   else
-    c(node, st)
-}
-base.VariablePattern = ignore
-base.MemberPattern = skipThrough
-base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); }
+    { c(node, st); }
+};
+base.VariablePattern = ignore;
+base.MemberPattern = skipThrough;
+base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); };
 base.ArrayPattern = function (node, st, c) {
-  for (var i = 0; i < node.elements.length; ++i) {
-    var elt = node.elements[i]
-    if (elt) c(elt, st, "Pattern")
-  }
-}
-base.ObjectPattern = function (node, st, c) {
-  for (var i = 0; i < node.properties.length; ++i)
-    c(node.properties[i].value, st, "Pattern")
-}
+  for (var i = 0, list = node.elements; i < list.length; i += 1) {
+    var elt = list[i];
 
-base.Expression = skipThrough
-base.ThisExpression = base.Super = base.MetaProperty = ignore
-base.ArrayExpression = function (node, st, c) {
-  for (var i = 0; i < node.elements.length; ++i) {
-    var elt = node.elements[i]
-    if (elt) c(elt, st, "Expression")
+    if (elt) { c(elt, st, "Pattern"); }
   }
-}
+};
+base.ObjectPattern = function (node, st, c) {
+  for (var i = 0, list = node.properties; i < list.length; i += 1)
+    {
+    var prop = list[i];
+
+    c(prop.value, st, "Pattern");
+  }
+};
+
+base.Expression = skipThrough;
+base.ThisExpression = base.Super = base.MetaProperty = ignore;
+base.ArrayExpression = function (node, st, c) {
+  for (var i = 0, list = node.elements; i < list.length; i += 1) {
+    var elt = list[i];
+
+    if (elt) { c(elt, st, "Expression"); }
+  }
+};
 base.ObjectExpression = function (node, st, c) {
-  for (var i = 0; i < node.properties.length; ++i)
-    c(node.properties[i], st)
-}
-base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration
+  for (var i = 0, list = node.properties; i < list.length; i += 1)
+    {
+    var prop = list[i];
+
+    c(prop, st);
+  }
+};
+base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration;
 base.SequenceExpression = base.TemplateLiteral = function (node, st, c) {
-  for (var i = 0; i < node.expressions.length; ++i)
-    c(node.expressions[i], st, "Expression")
-}
+  for (var i = 0, list = node.expressions; i < list.length; i += 1)
+    {
+    var expr = list[i];
+
+    c(expr, st, "Expression");
+  }
+};
 base.UnaryExpression = base.UpdateExpression = function (node, st, c) {
-  c(node.argument, st, "Expression")
-}
+  c(node.argument, st, "Expression");
+};
 base.BinaryExpression = base.LogicalExpression = function (node, st, c) {
-  c(node.left, st, "Expression")
-  c(node.right, st, "Expression")
-}
+  c(node.left, st, "Expression");
+  c(node.right, st, "Expression");
+};
 base.AssignmentExpression = base.AssignmentPattern = function (node, st, c) {
-  c(node.left, st, "Pattern")
-  c(node.right, st, "Expression")
-}
+  c(node.left, st, "Pattern");
+  c(node.right, st, "Expression");
+};
 base.ConditionalExpression = function (node, st, c) {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Expression")
-  c(node.alternate, st, "Expression")
-}
+  c(node.test, st, "Expression");
+  c(node.consequent, st, "Expression");
+  c(node.alternate, st, "Expression");
+};
 base.NewExpression = base.CallExpression = function (node, st, c) {
-  c(node.callee, st, "Expression")
-  if (node.arguments) for (var i = 0; i < node.arguments.length; ++i)
-    c(node.arguments[i], st, "Expression")
-}
+  c(node.callee, st, "Expression");
+  if (node.arguments)
+    { for (var i = 0, list = node.arguments; i < list.length; i += 1)
+      {
+        var arg = list[i];
+
+        c(arg, st, "Expression");
+      } }
+};
 base.MemberExpression = function (node, st, c) {
-  c(node.object, st, "Expression")
-  if (node.computed) c(node.property, st, "Expression")
-}
+  c(node.object, st, "Expression");
+  if (node.computed) { c(node.property, st, "Expression"); }
+};
 base.ExportNamedDeclaration = base.ExportDefaultDeclaration = function (node, st, c) {
   if (node.declaration)
-    c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression")
-  if (node.source) c(node.source, st, "Expression")
-}
+    { c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression"); }
+  if (node.source) { c(node.source, st, "Expression"); }
+};
 base.ExportAllDeclaration = function (node, st, c) {
-  c(node.source, st, "Expression")
-}
+  c(node.source, st, "Expression");
+};
 base.ImportDeclaration = function (node, st, c) {
-  for (var i = 0; i < node.specifiers.length; i++)
-    c(node.specifiers[i], st)
-  c(node.source, st, "Expression")
-}
-base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore
+  for (var i = 0, list = node.specifiers; i < list.length; i += 1)
+    {
+    var spec = list[i];
+
+    c(spec, st);
+  }
+  c(node.source, st, "Expression");
+};
+base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore;
 
 base.TaggedTemplateExpression = function (node, st, c) {
-  c(node.tag, st, "Expression")
-  c(node.quasi, st)
-}
-base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); }
+  c(node.tag, st, "Expression");
+  c(node.quasi, st);
+};
+base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); };
 base.Class = function (node, st, c) {
-  if (node.id) c(node.id, st, "Pattern")
-  if (node.superClass) c(node.superClass, st, "Expression")
-  for (var i = 0; i < node.body.body.length; i++)
-    c(node.body.body[i], st)
-}
+  if (node.id) { c(node.id, st, "Pattern"); }
+  if (node.superClass) { c(node.superClass, st, "Expression"); }
+  for (var i = 0, list = node.body.body; i < list.length; i += 1)
+    {
+    var item = list[i];
+
+    c(item, st);
+  }
+};
 base.MethodDefinition = base.Property = function (node, st, c) {
-  if (node.computed) c(node.key, st, "Expression")
-  c(node.value, st, "Expression")
-}
+  if (node.computed) { c(node.key, st, "Expression"); }
+  c(node.value, st, "Expression");
+};
 
 exports.simple = simple;
 exports.ancestor = ancestor;
 exports.recursive = recursive;
+exports.full = full;
+exports.fullAncestor = fullAncestor;
 exports.findNodeAt = findNodeAt;
 exports.findNodeAround = findNodeAround;
 exports.findNodeAfter = findNodeAfter;
@@ -357,4 +424,4 @@ exports.base = base;
 
 Object.defineProperty(exports, '__esModule', { value: true });
 
-})));
+})));

tools/eslint/node_modules/acorn/package.json

@@ -1,8 +1,8 @@
 {
   "_from": "acorn@^5.0.1",
-  "_id": "acorn@5.0.3",
+  "_id": "acorn@5.1.1",
   "_inBundle": false,
-  "_integrity": "sha1-xGDfCEkUY/AozLguqzcwvwEIez0=",
+  "_integrity": "sha512-vOk6uEMctu0vQrvuSqFdJyqj1Q0S5VTDL79qtjo+DhRr+1mmaD+tluFSCZqhvi/JUhXSzoZN2BhtstaPEeE8cw==",
   "_location": "/eslint/acorn",
   "_phantomChildren": {},
   "_requested": {
@@ -18,8 +18,8 @@
   "_requiredBy": [
     "/eslint/espree"
   ],
-  "_resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz",
-  "_shasum": "c460df08491463f028ccb82eab3730bf01087b3d",
+  "_resolved": "https://registry.npmjs.org/acorn/-/acorn-5.1.1.tgz",
+  "_shasum": "53fe161111f912ab999ee887a90a0bc52822fd75",
   "_spec": "acorn@^5.0.1",
   "_where": "/Users/trott/io.js/tools/eslint-tmp/node_modules/eslint/node_modules/espree",
   "bin": {
@@ -57,6 +57,9 @@
     {
       "name": "Artem Govorov"
     },
+    {
+      "name": "Bradley Heinz"
+    },
     {
       "name": "Brandon Mills"
     },
@@ -75,6 +78,9 @@
     {
       "name": "Domenico Matteo"
     },
+    {
+      "name": "ehmicky"
+    },
     {
       "name": "Forbes Lindesay"
     },
@@ -129,6 +135,9 @@
     {
       "name": "krator"
     },
+    {
+      "name": "Marek"
+    },
     {
       "name": "Marijn Haverbeke"
     },
@@ -213,6 +222,9 @@
     {
       "name": "Toru Nagashima"
     },
+    {
+      "name": "Victor Homyakov"
+    },
     {
       "name": "Wexpo Lyu"
     },
@@ -228,15 +240,14 @@
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-promise": "^3.5.0",
     "eslint-plugin-standard": "^2.1.1",
-    "rollup": "^0.34.1",
-    "rollup-plugin-buble": "^0.11.0",
+    "rollup": "^0.43.0",
+    "rollup-plugin-buble": "^0.15.0",
     "unicode-9.0.0": "^0.7.0"
   },
   "engines": {
     "node": ">=0.4.0"
   },
   "homepage": "https://github.com/ternjs/acorn",
-  "jsnext:main": "dist/acorn.es.js",
   "license": "MIT",
   "main": "dist/acorn.js",
   "maintainers": [
@@ -251,6 +262,7 @@
       "url": "http://rreverser.com/"
     }
   ],
+  "module": "dist/acorn.es.js",
   "name": "acorn",
   "repository": {
     "type": "git",
@@ -259,13 +271,13 @@
   "scripts": {
     "build": "npm run build:main && npm run build:walk && npm run build:loose && npm run build:bin",
     "build:bin": "rollup -c rollup/config.bin.js",
-    "build:loose": "rollup -c rollup/config.loose.js",
+    "build:loose": "rollup -c rollup/config.loose.js && rollup -c rollup/config.loose_es.js",
     "build:main": "rollup -c rollup/config.main.js",
     "build:walk": "rollup -c rollup/config.walk.js",
     "lint": "eslint src/",
-    "prepublish": "npm test",
-    "pretest": "npm run build",
+    "prepare": "npm test",
+    "pretest": "npm run build:main && npm run build:loose",
     "test": "node test/run.js && node test/lint.js"
   },
-  "version": "5.0.3"
+  "version": "5.1.1"
 }

tools/eslint/node_modules/acorn/src/.eslintrc

@@ -1,33 +0,0 @@
-{
-    "extends": [
-        "eslint:recommended",
-        "standard",
-        "plugin:import/errors",
-        "plugin:import/warnings"
-    ],
-    "rules": {
-        "curly": "off",
-        "eqeqeq": "off",
-        "indent": ["error", 2, { "SwitchCase": 0, "VariableDeclarator": 2 }],
-        "new-parens": "off",
-        "no-case-declarations": "off",
-        "no-cond-assign": "off",
-        "no-fallthrough": "off",
-        "no-labels": "off",
-        "no-mixed-operators": "off",
-        "no-return-assign": "off",
-        "no-unused-labels": "error",
-        "no-var": "error",
-        "object-curly-spacing": ["error", "never"],
-        "one-var": "off",
-        "quotes": ["error", "double"],
-        "semi-spacing": "off",
-        "space-before-function-paren": ["error", "never"]
-    },
-    "globals": {
-        "Packages": false
-    },
-    "plugins": [
-        "import"
-    ]
-}

tools/eslint/node_modules/acorn/src/bin/.eslintrc

@@ -1,6 +0,0 @@
-{
-    "extends": "../.eslintrc",
-    "rules": {
-        "no-console": "off"
-    }
-}

tools/eslint/node_modules/acorn/src/bin/acorn.js

@@ -1,62 +0,0 @@
-import {basename} from "path"
-import {readFileSync as readFile} from "fs"
-import * as acorn from "acorn"
-
-let infile, forceFile, silent = false, compact = false, tokenize = false
-const options = {}
-
-function help(status) {
-  const print = (status == 0) ? console.log : console.error
-  print("usage: " + basename(process.argv[1]) + " [--ecma3|--ecma5|--ecma6|--ecma7|...|--ecma2015|--ecma2016|...]")
-  print("        [--tokenize] [--locations] [---allow-hash-bang] [--compact] [--silent] [--module] [--help] [--] [infile]")
-  process.exit(status)
-}
-
-for (let i = 2; i < process.argv.length; ++i) {
-  const arg = process.argv[i]
-  if ((arg == "-" || arg[0] != "-") && !infile) infile = arg
-  else if (arg == "--" && !infile && i + 2 == process.argv.length) forceFile = infile = process.argv[++i]
-  else if (arg == "--locations") options.locations = true
-  else if (arg == "--allow-hash-bang") options.allowHashBang = true
-  else if (arg == "--silent") silent = true
-  else if (arg == "--compact") compact = true
-  else if (arg == "--help") help(0)
-  else if (arg == "--tokenize") tokenize = true
-  else if (arg == "--module") options.sourceType = "module"
-  else {
-    let match = arg.match(/^--ecma(\d+)$/)
-    if (match)
-      options.ecmaVersion = +match[1]
-    else
-      help(1)
-  }
-}
-
-function run(code) {
-  let result
-  try {
-    if (!tokenize) {
-      result = acorn.parse(code, options)
-    } else {
-      result = []
-      let tokenizer = acorn.tokenizer(code, options), token
-      do {
-        token = tokenizer.getToken()
-        result.push(token)
-      } while (token.type != acorn.tokTypes.eof)
-    }
-  } catch (e) {
-    console.error(e.message)
-    process.exit(1)
-  }
-  if (!silent) console.log(JSON.stringify(result, null, compact ? null : 2))
-}
-
-if (forceFile || infile && infile != "-") {
-  run(readFile(infile, "utf8"))
-} else {
-  let code = ""
-  process.stdin.resume()
-  process.stdin.on("data", chunk => code += chunk)
-  process.stdin.on("end", () => run(code))
-}

tools/eslint/node_modules/acorn/src/expression.js

@@ -1,830 +0,0 @@
-// A recursive descent parser operates by defining functions for all
-// syntactic elements, and recursively calling those, each function
-// advancing the input stream and returning an AST node. Precedence
-// of constructs (for example, the fact that `!x[1]` means `!(x[1])`
-// instead of `(!x)[1]` is handled by the fact that the parser
-// function that parses unary prefix operators is called first, and
-// in turn calls the function that parses `[]` subscripts — that
-// way, it'll receive the node for `x[1]` already parsed, and wraps
-// *that* in the unary operator node.
-//
-// Acorn uses an [operator precedence parser][opp] to handle binary
-// operator precedence, because it is much more compact than using
-// the technique outlined above, which uses different, nesting
-// functions to specify precedence, for all of the ten binary
-// precedence levels that JavaScript defines.
-//
-// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser
-
-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {DestructuringErrors} from "./parseutil"
-
-const pp = Parser.prototype
-
-// Check if property name clashes with already added.
-// Object/class getters and setters are not allowed to clash —
-// either with each other or with an init property — and in
-// strict mode, init properties are also not allowed to be repeated.
-
-pp.checkPropClash = function(prop, propHash) {
-  if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand))
-    return
-  let {key} = prop, name
-  switch (key.type) {
-  case "Identifier": name = key.name; break
-  case "Literal": name = String(key.value); break
-  default: return
-  }
-  let {kind} = prop
-  if (this.options.ecmaVersion >= 6) {
-    if (name === "__proto__" && kind === "init") {
-      if (propHash.proto) this.raiseRecoverable(key.start, "Redefinition of __proto__ property")
-      propHash.proto = true
-    }
-    return
-  }
-  name = "$" + name
-  let other = propHash[name]
-  if (other) {
-    let redefinition
-    if (kind === "init") {
-      redefinition = this.strict && other.init || other.get || other.set
-    } else {
-      redefinition = other.init || other[kind]
-    }
-    if (redefinition)
-      this.raiseRecoverable(key.start, "Redefinition of property")
-  } else {
-    other = propHash[name] = {
-      init: false,
-      get: false,
-      set: false
-    }
-  }
-  other[kind] = true
-}
-
-// ### Expression parsing
-
-// These nest, from the most general expression type at the top to
-// 'atomic', nondivisible expression types at the bottom. Most of
-// the functions will simply let the function(s) below them parse,
-// and, *if* the syntactic construct they handle is present, wrap
-// the AST node that the inner parser gave them in another node.
-
-// Parse a full expression. The optional arguments are used to
-// forbid the `in` operator (in for loops initalization expressions)
-// and provide reference for storing '=' operator inside shorthand
-// property assignment in contexts where both object expression
-// and object pattern might appear (so it's possible to raise
-// delayed syntax error at correct position).
-
-pp.parseExpression = function(noIn, refDestructuringErrors) {
-  let startPos = this.start, startLoc = this.startLoc
-  let expr = this.parseMaybeAssign(noIn, refDestructuringErrors)
-  if (this.type === tt.comma) {
-    let node = this.startNodeAt(startPos, startLoc)
-    node.expressions = [expr]
-    while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors))
-    return this.finishNode(node, "SequenceExpression")
-  }
-  return expr
-}
-
-// Parse an assignment expression. This includes applications of
-// operators like `+=`.
-
-pp.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) {
-  if (this.inGenerator && this.isContextual("yield")) return this.parseYield()
-
-  let ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1
-  if (refDestructuringErrors) {
-    oldParenAssign = refDestructuringErrors.parenthesizedAssign
-    oldTrailingComma = refDestructuringErrors.trailingComma
-    refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1
-  } else {
-    refDestructuringErrors = new DestructuringErrors
-    ownDestructuringErrors = true
-  }
-
-  let startPos = this.start, startLoc = this.startLoc
-  if (this.type == tt.parenL || this.type == tt.name)
-    this.potentialArrowAt = this.start
-  let left = this.parseMaybeConditional(noIn, refDestructuringErrors)
-  if (afterLeftParse) left = afterLeftParse.call(this, left, startPos, startLoc)
-  if (this.type.isAssign) {
-    this.checkPatternErrors(refDestructuringErrors, true)
-    if (!ownDestructuringErrors) DestructuringErrors.call(refDestructuringErrors)
-    let node = this.startNodeAt(startPos, startLoc)
-    node.operator = this.value
-    node.left = this.type === tt.eq ? this.toAssignable(left) : left
-    refDestructuringErrors.shorthandAssign = -1 // reset because shorthand default was used correctly
-    this.checkLVal(left)
-    this.next()
-    node.right = this.parseMaybeAssign(noIn)
-    return this.finishNode(node, "AssignmentExpression")
-  } else {
-    if (ownDestructuringErrors) this.checkExpressionErrors(refDestructuringErrors, true)
-  }
-  if (oldParenAssign > -1) refDestructuringErrors.parenthesizedAssign = oldParenAssign
-  if (oldTrailingComma > -1) refDestructuringErrors.trailingComma = oldTrailingComma
-  return left
-}
-
-// Parse a ternary conditional (`?:`) operator.
-
-pp.parseMaybeConditional = function(noIn, refDestructuringErrors) {
-  let startPos = this.start, startLoc = this.startLoc
-  let expr = this.parseExprOps(noIn, refDestructuringErrors)
-  if (this.checkExpressionErrors(refDestructuringErrors)) return expr
-  if (this.eat(tt.question)) {
-    let node = this.startNodeAt(startPos, startLoc)
-    node.test = expr
-    node.consequent = this.parseMaybeAssign()
-    this.expect(tt.colon)
-    node.alternate = this.parseMaybeAssign(noIn)
-    return this.finishNode(node, "ConditionalExpression")
-  }
-  return expr
-}
-
-// Start the precedence parser.
-
-pp.parseExprOps = function(noIn, refDestructuringErrors) {
-  let startPos = this.start, startLoc = this.startLoc
-  let expr = this.parseMaybeUnary(refDestructuringErrors, false)
-  if (this.checkExpressionErrors(refDestructuringErrors)) return expr
-  return expr.start == startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn)
-}
-
-// Parse binary operators with the operator precedence parsing
-// algorithm. `left` is the left-hand side of the operator.
-// `minPrec` provides context that allows the function to stop and
-// defer further parser to one of its callers when it encounters an
-// operator that has a lower precedence than the set it is parsing.
-
-pp.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {
-  let prec = this.type.binop
-  if (prec != null && (!noIn || this.type !== tt._in)) {
-    if (prec > minPrec) {
-      let logical = this.type === tt.logicalOR || this.type === tt.logicalAND
-      let op = this.value
-      this.next()
-      let startPos = this.start, startLoc = this.startLoc
-      let right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn)
-      let node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical)
-      return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn)
-    }
-  }
-  return left
-}
-
-pp.buildBinary = function(startPos, startLoc, left, right, op, logical) {
-  let node = this.startNodeAt(startPos, startLoc)
-  node.left = left
-  node.operator = op
-  node.right = right
-  return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression")
-}
-
-// Parse unary operators, both prefix and postfix.
-
-pp.parseMaybeUnary = function(refDestructuringErrors, sawUnary) {
-  let startPos = this.start, startLoc = this.startLoc, expr
-  if (this.inAsync && this.isContextual("await")) {
-    expr = this.parseAwait(refDestructuringErrors)
-    sawUnary = true
-  } else if (this.type.prefix) {
-    let node = this.startNode(), update = this.type === tt.incDec
-    node.operator = this.value
-    node.prefix = true
-    this.next()
-    node.argument = this.parseMaybeUnary(null, true)
-    this.checkExpressionErrors(refDestructuringErrors, true)
-    if (update) this.checkLVal(node.argument)
-    else if (this.strict && node.operator === "delete" &&
-             node.argument.type === "Identifier")
-      this.raiseRecoverable(node.start, "Deleting local variable in strict mode")
-    else sawUnary = true
-    expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression")
-  } else {
-    expr = this.parseExprSubscripts(refDestructuringErrors)
-    if (this.checkExpressionErrors(refDestructuringErrors)) return expr
-    while (this.type.postfix && !this.canInsertSemicolon()) {
-      let node = this.startNodeAt(startPos, startLoc)
-      node.operator = this.value
-      node.prefix = false
-      node.argument = expr
-      this.checkLVal(expr)
-      this.next()
-      expr = this.finishNode(node, "UpdateExpression")
-    }
-  }
-
-  if (!sawUnary && this.eat(tt.starstar))
-    return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false)
-  else
-    return expr
-}
-
-// Parse call, dot, and `[]`-subscript expressions.
-
-pp.parseExprSubscripts = function(refDestructuringErrors) {
-  let startPos = this.start, startLoc = this.startLoc
-  let expr = this.parseExprAtom(refDestructuringErrors)
-  let skipArrowSubscripts = expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")"
-  if (this.checkExpressionErrors(refDestructuringErrors) || skipArrowSubscripts) return expr
-  let result = this.parseSubscripts(expr, startPos, startLoc)
-  if (refDestructuringErrors && result.type === "MemberExpression") {
-    if (refDestructuringErrors.parenthesizedAssign >= result.start) refDestructuringErrors.parenthesizedAssign = -1
-    if (refDestructuringErrors.parenthesizedBind >= result.start) refDestructuringErrors.parenthesizedBind = -1
-  }
-  return result
-}
-
-pp.parseSubscripts = function(base, startPos, startLoc, noCalls) {
-  let maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" &&
-      this.lastTokEnd == base.end && !this.canInsertSemicolon()
-  for (let computed;;) {
-    if ((computed = this.eat(tt.bracketL)) || this.eat(tt.dot)) {
-      let node = this.startNodeAt(startPos, startLoc)
-      node.object = base
-      node.property = computed ? this.parseExpression() : this.parseIdent(true)
-      node.computed = !!computed
-      if (computed) this.expect(tt.bracketR)
-      base = this.finishNode(node, "MemberExpression")
-    } else if (!noCalls && this.eat(tt.parenL)) {
-      let refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos
-      this.yieldPos = 0
-      this.awaitPos = 0
-      let exprList = this.parseExprList(tt.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors)
-      if (maybeAsyncArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) {
-        this.checkPatternErrors(refDestructuringErrors, false)
-        this.checkYieldAwaitInDefaultParams()
-        this.yieldPos = oldYieldPos
-        this.awaitPos = oldAwaitPos
-        return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true)
-      }
-      this.checkExpressionErrors(refDestructuringErrors, true)
-      this.yieldPos = oldYieldPos || this.yieldPos
-      this.awaitPos = oldAwaitPos || this.awaitPos
-      let node = this.startNodeAt(startPos, startLoc)
-      node.callee = base
-      node.arguments = exprList
-      base = this.finishNode(node, "CallExpression")
-    } else if (this.type === tt.backQuote) {
-      let node = this.startNodeAt(startPos, startLoc)
-      node.tag = base
-      node.quasi = this.parseTemplate()
-      base = this.finishNode(node, "TaggedTemplateExpression")
-    } else {
-      return base
-    }
-  }
-}
-
-// Parse an atomic expression — either a single token that is an
-// expression, an expression started by a keyword like `function` or
-// `new`, or an expression wrapped in punctuation like `()`, `[]`,
-// or `{}`.
-
-pp.parseExprAtom = function(refDestructuringErrors) {
-  let node, canBeArrow = this.potentialArrowAt == this.start
-  switch (this.type) {
-  case tt._super:
-    if (!this.inFunction)
-      this.raise(this.start, "'super' outside of function or class")
-
-  case tt._this:
-    let type = this.type === tt._this ? "ThisExpression" : "Super"
-    node = this.startNode()
-    this.next()
-    return this.finishNode(node, type)
-
-  case tt.name:
-    let startPos = this.start, startLoc = this.startLoc
-    let id = this.parseIdent(this.type !== tt.name)
-    if (this.options.ecmaVersion >= 8 && id.name === "async" && !this.canInsertSemicolon() && this.eat(tt._function))
-      return this.parseFunction(this.startNodeAt(startPos, startLoc), false, false, true)
-    if (canBeArrow && !this.canInsertSemicolon()) {
-      if (this.eat(tt.arrow))
-        return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false)
-      if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === tt.name) {
-        id = this.parseIdent()
-        if (this.canInsertSemicolon() || !this.eat(tt.arrow))
-          this.unexpected()
-        return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true)
-      }
-    }
-    return id
-
-  case tt.regexp:
-    let value = this.value
-    node = this.parseLiteral(value.value)
-    node.regex = {pattern: value.pattern, flags: value.flags}
-    return node
-
-  case tt.num: case tt.string:
-    return this.parseLiteral(this.value)
-
-  case tt._null: case tt._true: case tt._false:
-    node = this.startNode()
-    node.value = this.type === tt._null ? null : this.type === tt._true
-    node.raw = this.type.keyword
-    this.next()
-    return this.finishNode(node, "Literal")
-
-  case tt.parenL:
-    let start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow)
-    if (refDestructuringErrors) {
-      if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr))
-        refDestructuringErrors.parenthesizedAssign = start
-      if (refDestructuringErrors.parenthesizedBind < 0)
-        refDestructuringErrors.parenthesizedBind = start
-    }
-    return expr
-
-  case tt.bracketL:
-    node = this.startNode()
-    this.next()
-    node.elements = this.parseExprList(tt.bracketR, true, true, refDestructuringErrors)
-    return this.finishNode(node, "ArrayExpression")
-
-  case tt.braceL:
-    return this.parseObj(false, refDestructuringErrors)
-
-  case tt._function:
-    node = this.startNode()
-    this.next()
-    return this.parseFunction(node, false)
-
-  case tt._class:
-    return this.parseClass(this.startNode(), false)
-
-  case tt._new:
-    return this.parseNew()
-
-  case tt.backQuote:
-    return this.parseTemplate()
-
-  default:
-    this.unexpected()
-  }
-}
-
-pp.parseLiteral = function(value) {
-  let node = this.startNode()
-  node.value = value
-  node.raw = this.input.slice(this.start, this.end)
-  this.next()
-  return this.finishNode(node, "Literal")
-}
-
-pp.parseParenExpression = function() {
-  this.expect(tt.parenL)
-  let val = this.parseExpression()
-  this.expect(tt.parenR)
-  return val
-}
-
-pp.parseParenAndDistinguishExpression = function(canBeArrow) {
-  let startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8
-  if (this.options.ecmaVersion >= 6) {
-    this.next()
-
-    let innerStartPos = this.start, innerStartLoc = this.startLoc
-    let exprList = [], first = true, lastIsComma = false
-    let refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart, innerParenStart
-    this.yieldPos = 0
-    this.awaitPos = 0
-    while (this.type !== tt.parenR) {
-      first ? first = false : this.expect(tt.comma)
-      if (allowTrailingComma && this.afterTrailingComma(tt.parenR, true)) {
-        lastIsComma = true
-        break
-      } else if (this.type === tt.ellipsis) {
-        spreadStart = this.start
-        exprList.push(this.parseParenItem(this.parseRest()))
-        if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
-        break
-      } else {
-        if (this.type === tt.parenL && !innerParenStart) {
-          innerParenStart = this.start
-        }
-        exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem))
-      }
-    }
-    let innerEndPos = this.start, innerEndLoc = this.startLoc
-    this.expect(tt.parenR)
-
-    if (canBeArrow && !this.canInsertSemicolon() && this.eat(tt.arrow)) {
-      this.checkPatternErrors(refDestructuringErrors, false)
-      this.checkYieldAwaitInDefaultParams()
-      if (innerParenStart) this.unexpected(innerParenStart)
-      this.yieldPos = oldYieldPos
-      this.awaitPos = oldAwaitPos
-      return this.parseParenArrowList(startPos, startLoc, exprList)
-    }
-
-    if (!exprList.length || lastIsComma) this.unexpected(this.lastTokStart)
-    if (spreadStart) this.unexpected(spreadStart)
-    this.checkExpressionErrors(refDestructuringErrors, true)
-    this.yieldPos = oldYieldPos || this.yieldPos
-    this.awaitPos = oldAwaitPos || this.awaitPos
-
-    if (exprList.length > 1) {
-      val = this.startNodeAt(innerStartPos, innerStartLoc)
-      val.expressions = exprList
-      this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc)
-    } else {
-      val = exprList[0]
-    }
-  } else {
-    val = this.parseParenExpression()
-  }
-
-  if (this.options.preserveParens) {
-    let par = this.startNodeAt(startPos, startLoc)
-    par.expression = val
-    return this.finishNode(par, "ParenthesizedExpression")
-  } else {
-    return val
-  }
-}
-
-pp.parseParenItem = function(item) {
-  return item
-}
-
-pp.parseParenArrowList = function(startPos, startLoc, exprList) {
-  return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList)
-}
-
-// New's precedence is slightly tricky. It must allow its argument to
-// be a `[]` or dot subscript expression, but not a call — at least,
-// not without wrapping it in parentheses. Thus, it uses the noCalls
-// argument to parseSubscripts to prevent it from consuming the
-// argument list.
-
-const empty = []
-
-pp.parseNew = function() {
-  let node = this.startNode()
-  let meta = this.parseIdent(true)
-  if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) {
-    node.meta = meta
-    node.property = this.parseIdent(true)
-    if (node.property.name !== "target")
-      this.raiseRecoverable(node.property.start, "The only valid meta property for new is new.target")
-    if (!this.inFunction)
-      this.raiseRecoverable(node.start, "new.target can only be used in functions")
-    return this.finishNode(node, "MetaProperty")
-  }
-  let startPos = this.start, startLoc = this.startLoc
-  node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true)
-  if (this.eat(tt.parenL)) node.arguments = this.parseExprList(tt.parenR, this.options.ecmaVersion >= 8, false)
-  else node.arguments = empty
-  return this.finishNode(node, "NewExpression")
-}
-
-// Parse template expression.
-
-pp.parseTemplateElement = function() {
-  let elem = this.startNode()
-  elem.value = {
-    raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"),
-    cooked: this.value
-  }
-  this.next()
-  elem.tail = this.type === tt.backQuote
-  return this.finishNode(elem, "TemplateElement")
-}
-
-pp.parseTemplate = function() {
-  let node = this.startNode()
-  this.next()
-  node.expressions = []
-  let curElt = this.parseTemplateElement()
-  node.quasis = [curElt]
-  while (!curElt.tail) {
-    this.expect(tt.dollarBraceL)
-    node.expressions.push(this.parseExpression())
-    this.expect(tt.braceR)
-    node.quasis.push(curElt = this.parseTemplateElement())
-  }
-  this.next()
-  return this.finishNode(node, "TemplateLiteral")
-}
-
-// Parse an object literal or binding pattern.
-
-pp.parseObj = function(isPattern, refDestructuringErrors) {
-  let node = this.startNode(), first = true, propHash = {}
-  node.properties = []
-  this.next()
-  while (!this.eat(tt.braceR)) {
-    if (!first) {
-      this.expect(tt.comma)
-      if (this.afterTrailingComma(tt.braceR)) break
-    } else first = false
-
-    let prop = this.startNode(), isGenerator, isAsync, startPos, startLoc
-    if (this.options.ecmaVersion >= 6) {
-      prop.method = false
-      prop.shorthand = false
-      if (isPattern || refDestructuringErrors) {
-        startPos = this.start
-        startLoc = this.startLoc
-      }
-      if (!isPattern)
-        isGenerator = this.eat(tt.star)
-    }
-    this.parsePropertyName(prop)
-    if (!isPattern && this.options.ecmaVersion >= 8 && !isGenerator && !prop.computed &&
-        prop.key.type === "Identifier" && prop.key.name === "async" && this.type !== tt.parenL &&
-        this.type !== tt.colon && !this.canInsertSemicolon()) {
-      isAsync = true
-      this.parsePropertyName(prop, refDestructuringErrors)
-    } else {
-      isAsync = false
-    }
-    this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors)
-    this.checkPropClash(prop, propHash)
-    node.properties.push(this.finishNode(prop, "Property"))
-  }
-  return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression")
-}
-
-pp.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors) {
-  if ((isGenerator || isAsync) && this.type === tt.colon)
-    this.unexpected()
-
-  if (this.eat(tt.colon)) {
-    prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors)
-    prop.kind = "init"
-  } else if (this.options.ecmaVersion >= 6 && this.type === tt.parenL) {
-    if (isPattern) this.unexpected()
-    prop.kind = "init"
-    prop.method = true
-    prop.value = this.parseMethod(isGenerator, isAsync)
-  } else if (this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" &&
-             (prop.key.name === "get" || prop.key.name === "set") &&
-             (this.type != tt.comma && this.type != tt.braceR)) {
-    if (isGenerator || isAsync || isPattern) this.unexpected()
-    prop.kind = prop.key.name
-    this.parsePropertyName(prop)
-    prop.value = this.parseMethod(false)
-    let paramCount = prop.kind === "get" ? 0 : 1
-    if (prop.value.params.length !== paramCount) {
-      let start = prop.value.start
-      if (prop.kind === "get")
-        this.raiseRecoverable(start, "getter should have no params")
-      else
-        this.raiseRecoverable(start, "setter should have exactly one param")
-    } else {
-      if (prop.kind === "set" && prop.value.params[0].type === "RestElement")
-        this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params")
-    }
-  } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") {
-    if (this.keywords.test(prop.key.name) ||
-        (this.strict ? this.reservedWordsStrict : this.reservedWords).test(prop.key.name) ||
-        (this.inGenerator && prop.key.name == "yield") ||
-        (this.inAsync && prop.key.name == "await"))
-      this.raiseRecoverable(prop.key.start, "'" + prop.key.name + "' can not be used as shorthand property")
-    prop.kind = "init"
-    if (isPattern) {
-      prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key)
-    } else if (this.type === tt.eq && refDestructuringErrors) {
-      if (refDestructuringErrors.shorthandAssign < 0)
-        refDestructuringErrors.shorthandAssign = this.start
-      prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key)
-    } else {
-      prop.value = prop.key
-    }
-    prop.shorthand = true
-  } else this.unexpected()
-}
-
-pp.parsePropertyName = function(prop) {
-  if (this.options.ecmaVersion >= 6) {
-    if (this.eat(tt.bracketL)) {
-      prop.computed = true
-      prop.key = this.parseMaybeAssign()
-      this.expect(tt.bracketR)
-      return prop.key
-    } else {
-      prop.computed = false
-    }
-  }
-  return prop.key = this.type === tt.num || this.type === tt.string ? this.parseExprAtom() : this.parseIdent(true)
-}
-
-// Initialize empty function node.
-
-pp.initFunction = function(node) {
-  node.id = null
-  if (this.options.ecmaVersion >= 6) {
-    node.generator = false
-    node.expression = false
-  }
-  if (this.options.ecmaVersion >= 8)
-    node.async = false
-}
-
-// Parse object or class method.
-
-pp.parseMethod = function(isGenerator, isAsync) {
-  let node = this.startNode(), oldInGen = this.inGenerator, oldInAsync = this.inAsync,
-      oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
-
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 6)
-    node.generator = isGenerator
-  if (this.options.ecmaVersion >= 8)
-    node.async = !!isAsync
-
-  this.inGenerator = node.generator
-  this.inAsync = node.async
-  this.yieldPos = 0
-  this.awaitPos = 0
-  this.inFunction = true
-  this.enterFunctionScope()
-
-  this.expect(tt.parenL)
-  node.params = this.parseBindingList(tt.parenR, false, this.options.ecmaVersion >= 8)
-  this.checkYieldAwaitInDefaultParams()
-  this.parseFunctionBody(node, false)
-
-  this.inGenerator = oldInGen
-  this.inAsync = oldInAsync
-  this.yieldPos = oldYieldPos
-  this.awaitPos = oldAwaitPos
-  this.inFunction = oldInFunc
-  return this.finishNode(node, "FunctionExpression")
-}
-
-// Parse arrow function expression with given parameters.
-
-pp.parseArrowExpression = function(node, params, isAsync) {
-  let oldInGen = this.inGenerator, oldInAsync = this.inAsync,
-      oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
-
-  this.enterFunctionScope()
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 8)
-    node.async = !!isAsync
-
-  this.inGenerator = false
-  this.inAsync = node.async
-  this.yieldPos = 0
-  this.awaitPos = 0
-  this.inFunction = true
-
-  node.params = this.toAssignableList(params, true)
-  this.parseFunctionBody(node, true)
-
-  this.inGenerator = oldInGen
-  this.inAsync = oldInAsync
-  this.yieldPos = oldYieldPos
-  this.awaitPos = oldAwaitPos
-  this.inFunction = oldInFunc
-  return this.finishNode(node, "ArrowFunctionExpression")
-}
-
-// Parse function body and check parameters.
-
-pp.parseFunctionBody = function(node, isArrowFunction) {
-  let isExpression = isArrowFunction && this.type !== tt.braceL
-  let oldStrict = this.strict, useStrict = false
-
-  if (isExpression) {
-    node.body = this.parseMaybeAssign()
-    node.expression = true
-    this.checkParams(node, false)
-  } else {
-    let nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params)
-    if (!oldStrict || nonSimple) {
-      useStrict = this.strictDirective(this.end)
-      // If this is a strict mode function, verify that argument names
-      // are not repeated, and it does not try to bind the words `eval`
-      // or `arguments`.
-      if (useStrict && nonSimple)
-        this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list")
-    }
-    // Start a new scope with regard to labels and the `inFunction`
-    // flag (restore them to their old value afterwards).
-    let oldLabels = this.labels
-    this.labels = []
-    if (useStrict) this.strict = true
-
-    // Add the params to varDeclaredNames to ensure that an error is thrown
-    // if a let/const declaration in the function clashes with one of the params.
-    this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && this.isSimpleParamList(node.params))
-    node.body = this.parseBlock(false)
-    node.expression = false
-    this.labels = oldLabels
-  }
-  this.exitFunctionScope()
-
-  if (this.strict && node.id) {
-    // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval'
-    this.checkLVal(node.id, "none")
-  }
-  this.strict = oldStrict
-}
-
-pp.isSimpleParamList = function(params) {
-  for (let i = 0; i < params.length; i++)
-    if (params[i].type !== "Identifier") return false
-  return true
-}
-
-// Checks function params for various disallowed patterns such as using "eval"
-// or "arguments" and duplicate parameters.
-
-pp.checkParams = function(node, allowDuplicates) {
-  let nameHash = {}
-  for (let i = 0; i < node.params.length; i++) this.checkLVal(node.params[i], "var", allowDuplicates ? null : nameHash)
-}
-
-// Parses a comma-separated list of expressions, and returns them as
-// an array. `close` is the token type that ends the list, and
-// `allowEmpty` can be turned on to allow subsequent commas with
-// nothing in between them to be parsed as `null` (which is needed
-// for array literals).
-
-pp.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) {
-  let elts = [], first = true
-  while (!this.eat(close)) {
-    if (!first) {
-      this.expect(tt.comma)
-      if (allowTrailingComma && this.afterTrailingComma(close)) break
-    } else first = false
-
-    let elt
-    if (allowEmpty && this.type === tt.comma)
-      elt = null
-    else if (this.type === tt.ellipsis) {
-      elt = this.parseSpread(refDestructuringErrors)
-      if (refDestructuringErrors && this.type === tt.comma && refDestructuringErrors.trailingComma < 0)
-        refDestructuringErrors.trailingComma = this.start
-    } else {
-      elt = this.parseMaybeAssign(false, refDestructuringErrors)
-    }
-    elts.push(elt)
-  }
-  return elts
-}
-
-// Parse the next token as an identifier. If `liberal` is true (used
-// when parsing properties), it will also convert keywords into
-// identifiers.
-
-pp.parseIdent = function(liberal) {
-  let node = this.startNode()
-  if (liberal && this.options.allowReserved == "never") liberal = false
-  if (this.type === tt.name) {
-    if (!liberal && (this.strict ? this.reservedWordsStrict : this.reservedWords).test(this.value) &&
-        (this.options.ecmaVersion >= 6 ||
-         this.input.slice(this.start, this.end).indexOf("\\") == -1))
-      this.raiseRecoverable(this.start, "The keyword '" + this.value + "' is reserved")
-    if (this.inGenerator && this.value === "yield")
-      this.raiseRecoverable(this.start, "Can not use 'yield' as identifier inside a generator")
-    if (this.inAsync && this.value === "await")
-      this.raiseRecoverable(this.start, "Can not use 'await' as identifier inside an async function")
-    node.name = this.value
-  } else if (liberal && this.type.keyword) {
-    node.name = this.type.keyword
-  } else {
-    this.unexpected()
-  }
-  this.next()
-  return this.finishNode(node, "Identifier")
-}
-
-// Parses yield expression inside generator.
-
-pp.parseYield = function() {
-  if (!this.yieldPos) this.yieldPos = this.start
-
-  let node = this.startNode()
-  this.next()
-  if (this.type == tt.semi || this.canInsertSemicolon() || (this.type != tt.star && !this.type.startsExpr)) {
-    node.delegate = false
-    node.argument = null
-  } else {
-    node.delegate = this.eat(tt.star)
-    node.argument = this.parseMaybeAssign()
-  }
-  return this.finishNode(node, "YieldExpression")
-}
-
-pp.parseAwait = function() {
-  if (!this.awaitPos) this.awaitPos = this.start
-
-  let node = this.startNode()
-  this.next()
-  node.argument = this.parseMaybeUnary(null, true)
-  return this.finishNode(node, "AwaitExpression")
-}

tools/eslint/node_modules/acorn/src/identifier.js

@@ -1,85 +0,0 @@
-// Reserved word lists for various dialects of the language
-
-export const reservedWords = {
-  3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile",
-  5: "class enum extends super const export import",
-  6: "enum",
-  strict: "implements interface let package private protected public static yield",
-  strictBind: "eval arguments"
-}
-
-// And the keywords
-
-const ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"
-
-export const keywords = {
-  5: ecma5AndLessKeywords,
-  6: ecma5AndLessKeywords + " const class extends export import super"
-}
-
-// ## Character categories
-
-// Big ugly regular expressions that match characters in the
-// whitespace, identifier, and identifier-start categories. These
-// are only applied when a character is found to actually have a
-// code point above 128.
-// Generated by `bin/generate-identifier-regex.js`.
-
-let nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0-\u08b4\u08b6-\u08bd\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fd5\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ae\ua7b0-\ua7b7\ua7f7-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab65\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"
-let nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d4-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c03\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d01-\u0d03\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d82\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf2-\u1cf4\u1cf8\u1cf9\u1dc0-\u1df5\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua900-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f"
-
-const nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]")
-const nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]")
-
-nonASCIIidentifierStartChars = nonASCIIidentifierChars = null
-
-// These are a run-length and offset encoded representation of the
-// >0xffff code points that are a valid part of identifiers. The
-// offset starts at 0x10000, and each pair of numbers represents an
-// offset to the next range, and then a size of the range. They were
-// generated by bin/generate-identifier-regex.js
-
-// eslint-disable-next-line comma-spacing
-const astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,17,26,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,26,45,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,785,52,76,44,33,24,27,35,42,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,54,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,86,25,391,63,32,0,449,56,264,8,2,36,18,0,50,29,881,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,881,68,12,0,67,12,65,0,32,6124,20,754,9486,1,3071,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,4149,196,60,67,1213,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42710,42,4148,12,221,3,5761,10591,541]
-
-// eslint-disable-next-line comma-spacing
-const astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,1306,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,52,0,13,2,49,13,10,2,4,9,83,11,7,0,161,11,6,9,7,3,57,0,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,87,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,423,9,838,7,2,7,17,9,57,21,2,13,19882,9,135,4,60,6,26,9,1016,45,17,3,19723,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,2214,6,110,6,6,9,792487,239]
-
-// This has a complexity linear to the value of the code. The
-// assumption is that looking up astral identifier characters is
-// rare.
-function isInAstralSet(code, set) {
-  let pos = 0x10000
-  for (let i = 0; i < set.length; i += 2) {
-    pos += set[i]
-    if (pos > code) return false
-    pos += set[i + 1]
-    if (pos >= code) return true
-  }
-}
-
-// Test whether a given character code starts an identifier.
-
-export function isIdentifierStart(code, astral) {
-  if (code < 65) return code === 36
-  if (code < 91) return true
-  if (code < 97) return code === 95
-  if (code < 123) return true
-  if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code))
-  if (astral === false) return false
-  return isInAstralSet(code, astralIdentifierStartCodes)
-}
-
-// Test whether a given character is part of an identifier.
-
-export function isIdentifierChar(code, astral) {
-  if (code < 48) return code === 36
-  if (code < 58) return true
-  if (code < 65) return false
-  if (code < 91) return true
-  if (code < 97) return code === 95
-  if (code < 123) return true
-  if (code <= 0xffff) return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code))
-  if (astral === false) return false
-  return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes)
-}

tools/eslint/node_modules/acorn/src/index.js

@@ -1,78 +0,0 @@
-// Acorn is a tiny, fast JavaScript parser written in JavaScript.
-//
-// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and
-// various contributors and released under an MIT license.
-//
-// Git repositories for Acorn are available at
-//
-//     http://marijnhaverbeke.nl/git/acorn
-//     https://github.com/ternjs/acorn.git
-//
-// Please use the [github bug tracker][ghbt] to report issues.
-//
-// [ghbt]: https://github.com/ternjs/acorn/issues
-//
-// This file defines the main parser interface. The library also comes
-// with a [error-tolerant parser][dammit] and an
-// [abstract syntax tree walker][walk], defined in other files.
-//
-// [dammit]: acorn_loose.js
-// [walk]: util/walk.js
-
-import {Parser} from "./state"
-import "./parseutil"
-import "./statement"
-import "./lval"
-import "./expression"
-import "./location"
-import "./scope"
-
-export {Parser, plugins} from "./state"
-export {defaultOptions} from "./options"
-export {Position, SourceLocation, getLineInfo} from "./locutil"
-export {Node} from "./node"
-export {TokenType, types as tokTypes, keywords as keywordTypes} from "./tokentype"
-export {TokContext, types as tokContexts} from "./tokencontext"
-export {isIdentifierChar, isIdentifierStart} from "./identifier"
-export {Token} from "./tokenize"
-export {isNewLine, lineBreak, lineBreakG, nonASCIIwhitespace} from "./whitespace"
-
-export const version = "5.0.3"
-
-// The main exported interface (under `self.acorn` when in the
-// browser) is a `parse` function that takes a code string and
-// returns an abstract syntax tree as specified by [Mozilla parser
-// API][api].
-//
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
-
-export function parse(input, options) {
-  return new Parser(options, input).parse()
-}
-
-// This function tries to parse a single expression at a given
-// offset in a string. Useful for parsing mixed-language formats
-// that embed JavaScript expressions.
-
-export function parseExpressionAt(input, pos, options) {
-  let p = new Parser(options, input, pos)
-  p.nextToken()
-  return p.parseExpression()
-}
-
-// Acorn is organized as a tokenizer and a recursive-descent parser.
-// The `tokenizer` export provides an interface to the tokenizer.
-
-export function tokenizer(input, options) {
-  return new Parser(options, input)
-}
-
-// This is a terrible kludge to support the existing, pre-ES6
-// interface where the loose parser module retroactively adds exports
-// to this module.
-export let parse_dammit, LooseParser, pluginsLoose // eslint-disable-line camelcase
-export function addLooseExports(parse, Parser, plugins) {
-  parse_dammit = parse // eslint-disable-line camelcase
-  LooseParser = Parser
-  pluginsLoose = plugins
-}

tools/eslint/node_modules/acorn/src/location.js

@@ -1,26 +0,0 @@
-import {Parser} from "./state"
-import {Position, getLineInfo} from "./locutil"
-
-const pp = Parser.prototype
-
-// This function is used to raise exceptions on parse errors. It
-// takes an offset integer (into the current `input`) to indicate
-// the location of the error, attaches the position to the end
-// of the error message, and then raises a `SyntaxError` with that
-// message.
-
-pp.raise = function(pos, message) {
-  let loc = getLineInfo(this.input, pos)
-  message += " (" + loc.line + ":" + loc.column + ")"
-  let err = new SyntaxError(message)
-  err.pos = pos; err.loc = loc; err.raisedAt = this.pos
-  throw err
-}
-
-pp.raiseRecoverable = pp.raise
-
-pp.curPosition = function() {
-  if (this.options.locations) {
-    return new Position(this.curLine, this.pos - this.lineStart)
-  }
-}

tools/eslint/node_modules/acorn/src/locutil.js

@@ -1,42 +0,0 @@
-import {lineBreakG} from "./whitespace"
-
-// These are used when `options.locations` is on, for the
-// `startLoc` and `endLoc` properties.
-
-export class Position {
-  constructor(line, col) {
-    this.line = line
-    this.column = col
-  }
-
-  offset(n) {
-    return new Position(this.line, this.column + n)
-  }
-}
-
-export class SourceLocation {
-  constructor(p, start, end) {
-    this.start = start
-    this.end = end
-    if (p.sourceFile !== null) this.source = p.sourceFile
-  }
-}
-
-// The `getLineInfo` function is mostly useful when the
-// `locations` option is off (for performance reasons) and you
-// want to find the line/column position for a given character
-// offset. `input` should be the code string that the offset refers
-// into.
-
-export function getLineInfo(input, offset) {
-  for (let line = 1, cur = 0;;) {
-    lineBreakG.lastIndex = cur
-    let match = lineBreakG.exec(input)
-    if (match && match.index < offset) {
-      ++line
-      cur = match.index + match[0].length
-    } else {
-      return new Position(line, offset - cur)
-    }
-  }
-}

tools/eslint/node_modules/acorn/src/loose/expression.js

@@ -1,562 +0,0 @@
-import {LooseParser} from "./state"
-import {isDummy} from "./parseutil"
-import {tokTypes as tt} from "../index"
-
-const lp = LooseParser.prototype
-
-lp.checkLVal = function(expr) {
-  if (!expr) return expr
-  switch (expr.type) {
-  case "Identifier":
-  case "MemberExpression":
-    return expr
-
-  case "ParenthesizedExpression":
-    expr.expression = this.checkLVal(expr.expression)
-    return expr
-
-  default:
-    return this.dummyIdent()
-  }
-}
-
-lp.parseExpression = function(noIn) {
-  let start = this.storeCurrentPos()
-  let expr = this.parseMaybeAssign(noIn)
-  if (this.tok.type === tt.comma) {
-    let node = this.startNodeAt(start)
-    node.expressions = [expr]
-    while (this.eat(tt.comma)) node.expressions.push(this.parseMaybeAssign(noIn))
-    return this.finishNode(node, "SequenceExpression")
-  }
-  return expr
-}
-
-lp.parseParenExpression = function() {
-  this.pushCx()
-  this.expect(tt.parenL)
-  let val = this.parseExpression()
-  this.popCx()
-  this.expect(tt.parenR)
-  return val
-}
-
-lp.parseMaybeAssign = function(noIn) {
-  if (this.toks.isContextual("yield")) {
-    let node = this.startNode()
-    this.next()
-    if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != tt.star && !this.tok.type.startsExpr)) {
-      node.delegate = false
-      node.argument = null
-    } else {
-      node.delegate = this.eat(tt.star)
-      node.argument = this.parseMaybeAssign()
-    }
-    return this.finishNode(node, "YieldExpression")
-  }
-
-  let start = this.storeCurrentPos()
-  let left = this.parseMaybeConditional(noIn)
-  if (this.tok.type.isAssign) {
-    let node = this.startNodeAt(start)
-    node.operator = this.tok.value
-    node.left = this.tok.type === tt.eq ? this.toAssignable(left) : this.checkLVal(left)
-    this.next()
-    node.right = this.parseMaybeAssign(noIn)
-    return this.finishNode(node, "AssignmentExpression")
-  }
-  return left
-}
-
-lp.parseMaybeConditional = function(noIn) {
-  let start = this.storeCurrentPos()
-  let expr = this.parseExprOps(noIn)
-  if (this.eat(tt.question)) {
-    let node = this.startNodeAt(start)
-    node.test = expr
-    node.consequent = this.parseMaybeAssign()
-    node.alternate = this.expect(tt.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent()
-    return this.finishNode(node, "ConditionalExpression")
-  }
-  return expr
-}
-
-lp.parseExprOps = function(noIn) {
-  let start = this.storeCurrentPos()
-  let indent = this.curIndent, line = this.curLineStart
-  return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line)
-}
-
-lp.parseExprOp = function(left, start, minPrec, noIn, indent, line) {
-  if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) return left
-  let prec = this.tok.type.binop
-  if (prec != null && (!noIn || this.tok.type !== tt._in)) {
-    if (prec > minPrec) {
-      let node = this.startNodeAt(start)
-      node.left = left
-      node.operator = this.tok.value
-      this.next()
-      if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) {
-        node.right = this.dummyIdent()
-      } else {
-        let rightStart = this.storeCurrentPos()
-        node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line)
-      }
-      this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression")
-      return this.parseExprOp(node, start, minPrec, noIn, indent, line)
-    }
-  }
-  return left
-}
-
-lp.parseMaybeUnary = function(sawUnary) {
-  let start = this.storeCurrentPos(), expr
-  if (this.options.ecmaVersion >= 8 && this.inAsync && this.toks.isContextual("await")) {
-    expr = this.parseAwait()
-    sawUnary = true
-  } else if (this.tok.type.prefix) {
-    let node = this.startNode(), update = this.tok.type === tt.incDec
-    if (!update) sawUnary = true
-    node.operator = this.tok.value
-    node.prefix = true
-    this.next()
-    node.argument = this.parseMaybeUnary(true)
-    if (update) node.argument = this.checkLVal(node.argument)
-    expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression")
-  } else if (this.tok.type === tt.ellipsis) {
-    let node = this.startNode()
-    this.next()
-    node.argument = this.parseMaybeUnary(sawUnary)
-    expr = this.finishNode(node, "SpreadElement")
-  } else {
-    expr = this.parseExprSubscripts()
-    while (this.tok.type.postfix && !this.canInsertSemicolon()) {
-      let node = this.startNodeAt(start)
-      node.operator = this.tok.value
-      node.prefix = false
-      node.argument = this.checkLVal(expr)
-      this.next()
-      expr = this.finishNode(node, "UpdateExpression")
-    }
-  }
-
-  if (!sawUnary && this.eat(tt.starstar)) {
-    let node = this.startNodeAt(start)
-    node.operator = "**"
-    node.left = expr
-    node.right = this.parseMaybeUnary(false)
-    return this.finishNode(node, "BinaryExpression")
-  }
-
-  return expr
-}
-
-lp.parseExprSubscripts = function() {
-  let start = this.storeCurrentPos()
-  return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart)
-}
-
-lp.parseSubscripts = function(base, start, noCalls, startIndent, line) {
-  for (;;) {
-    if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine()) {
-      if (this.tok.type == tt.dot && this.curIndent == startIndent)
-        --startIndent
-      else
-        return base
-    }
-
-    let maybeAsyncArrow = base.type === "Identifier" && base.name === "async" && !this.canInsertSemicolon()
-
-    if (this.eat(tt.dot)) {
-      let node = this.startNodeAt(start)
-      node.object = base
-      if (this.curLineStart != line && this.curIndent <= startIndent && this.tokenStartsLine())
-        node.property = this.dummyIdent()
-      else
-        node.property = this.parsePropertyAccessor() || this.dummyIdent()
-      node.computed = false
-      base = this.finishNode(node, "MemberExpression")
-    } else if (this.tok.type == tt.bracketL) {
-      this.pushCx()
-      this.next()
-      let node = this.startNodeAt(start)
-      node.object = base
-      node.property = this.parseExpression()
-      node.computed = true
-      this.popCx()
-      this.expect(tt.bracketR)
-      base = this.finishNode(node, "MemberExpression")
-    } else if (!noCalls && this.tok.type == tt.parenL) {
-      let exprList = this.parseExprList(tt.parenR)
-      if (maybeAsyncArrow && this.eat(tt.arrow))
-        return this.parseArrowExpression(this.startNodeAt(start), exprList, true)
-      let node = this.startNodeAt(start)
-      node.callee = base
-      node.arguments = exprList
-      base = this.finishNode(node, "CallExpression")
-    } else if (this.tok.type == tt.backQuote) {
-      let node = this.startNodeAt(start)
-      node.tag = base
-      node.quasi = this.parseTemplate()
-      base = this.finishNode(node, "TaggedTemplateExpression")
-    } else {
-      return base
-    }
-  }
-}
-
-lp.parseExprAtom = function() {
-  let node
-  switch (this.tok.type) {
-  case tt._this:
-  case tt._super:
-    let type = this.tok.type === tt._this ? "ThisExpression" : "Super"
-    node = this.startNode()
-    this.next()
-    return this.finishNode(node, type)
-
-  case tt.name:
-    let start = this.storeCurrentPos()
-    let id = this.parseIdent()
-    let isAsync = false
-    if (id.name === "async" && !this.canInsertSemicolon()) {
-      if (this.eat(tt._function))
-        return this.parseFunction(this.startNodeAt(start), false, true)
-      if (this.tok.type === tt.name) {
-        id = this.parseIdent()
-        isAsync = true
-      }
-    }
-    return this.eat(tt.arrow) ? this.parseArrowExpression(this.startNodeAt(start), [id], isAsync) : id
-
-  case tt.regexp:
-    node = this.startNode()
-    let val = this.tok.value
-    node.regex = {pattern: val.pattern, flags: val.flags}
-    node.value = val.value
-    node.raw = this.input.slice(this.tok.start, this.tok.end)
-    this.next()
-    return this.finishNode(node, "Literal")
-
-  case tt.num: case tt.string:
-    node = this.startNode()
-    node.value = this.tok.value
-    node.raw = this.input.slice(this.tok.start, this.tok.end)
-    this.next()
-    return this.finishNode(node, "Literal")
-
-  case tt._null: case tt._true: case tt._false:
-    node = this.startNode()
-    node.value = this.tok.type === tt._null ? null : this.tok.type === tt._true
-    node.raw = this.tok.type.keyword
-    this.next()
-    return this.finishNode(node, "Literal")
-
-  case tt.parenL:
-    let parenStart = this.storeCurrentPos()
-    this.next()
-    let inner = this.parseExpression()
-    this.expect(tt.parenR)
-    if (this.eat(tt.arrow)) {
-      // (a,)=>a // SequenceExpression makes dummy in the last hole. Drop the dummy.
-      let params = inner.expressions || [inner]
-      if (params.length && isDummy(params[params.length - 1]))
-        params.pop()
-      return this.parseArrowExpression(this.startNodeAt(parenStart), params)
-    }
-    if (this.options.preserveParens) {
-      let par = this.startNodeAt(parenStart)
-      par.expression = inner
-      inner = this.finishNode(par, "ParenthesizedExpression")
-    }
-    return inner
-
-  case tt.bracketL:
-    node = this.startNode()
-    node.elements = this.parseExprList(tt.bracketR, true)
-    return this.finishNode(node, "ArrayExpression")
-
-  case tt.braceL:
-    return this.parseObj()
-
-  case tt._class:
-    return this.parseClass(false)
-
-  case tt._function:
-    node = this.startNode()
-    this.next()
-    return this.parseFunction(node, false)
-
-  case tt._new:
-    return this.parseNew()
-
-  case tt.backQuote:
-    return this.parseTemplate()
-
-  default:
-    return this.dummyIdent()
-  }
-}
-
-lp.parseNew = function() {
-  let node = this.startNode(), startIndent = this.curIndent, line = this.curLineStart
-  let meta = this.parseIdent(true)
-  if (this.options.ecmaVersion >= 6 && this.eat(tt.dot)) {
-    node.meta = meta
-    node.property = this.parseIdent(true)
-    return this.finishNode(node, "MetaProperty")
-  }
-  let start = this.storeCurrentPos()
-  node.callee = this.parseSubscripts(this.parseExprAtom(), start, true, startIndent, line)
-  if (this.tok.type == tt.parenL) {
-    node.arguments = this.parseExprList(tt.parenR)
-  } else {
-    node.arguments = []
-  }
-  return this.finishNode(node, "NewExpression")
-}
-
-lp.parseTemplateElement = function() {
-  let elem = this.startNode()
-  elem.value = {
-    raw: this.input.slice(this.tok.start, this.tok.end).replace(/\r\n?/g, "\n"),
-    cooked: this.tok.value
-  }
-  this.next()
-  elem.tail = this.tok.type === tt.backQuote
-  return this.finishNode(elem, "TemplateElement")
-}
-
-lp.parseTemplate = function() {
-  let node = this.startNode()
-  this.next()
-  node.expressions = []
-  let curElt = this.parseTemplateElement()
-  node.quasis = [curElt]
-  while (!curElt.tail) {
-    this.next()
-    node.expressions.push(this.parseExpression())
-    if (this.expect(tt.braceR)) {
-      curElt = this.parseTemplateElement()
-    } else {
-      curElt = this.startNode()
-      curElt.value = {cooked: "", raw: ""}
-      curElt.tail = true
-      this.finishNode(curElt, "TemplateElement")
-    }
-    node.quasis.push(curElt)
-  }
-  this.expect(tt.backQuote)
-  return this.finishNode(node, "TemplateLiteral")
-}
-
-lp.parseObj = function() {
-  let node = this.startNode()
-  node.properties = []
-  this.pushCx()
-  let indent = this.curIndent + 1, line = this.curLineStart
-  this.eat(tt.braceL)
-  if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart }
-  while (!this.closes(tt.braceR, indent, line)) {
-    let prop = this.startNode(), isGenerator, isAsync, start
-    if (this.options.ecmaVersion >= 6) {
-      start = this.storeCurrentPos()
-      prop.method = false
-      prop.shorthand = false
-      isGenerator = this.eat(tt.star)
-    }
-    this.parsePropertyName(prop)
-    if (!prop.computed &&
-        prop.key.type === "Identifier" && prop.key.name === "async" && this.tok.type !== tt.parenL &&
-        this.tok.type !== tt.colon && !this.canInsertSemicolon()) {
-      this.parsePropertyName(prop)
-      isAsync = true
-    } else {
-      isAsync = false
-    }
-    if (isDummy(prop.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue }
-    if (this.eat(tt.colon)) {
-      prop.kind = "init"
-      prop.value = this.parseMaybeAssign()
-    } else if (this.options.ecmaVersion >= 6 && (this.tok.type === tt.parenL || this.tok.type === tt.braceL)) {
-      prop.kind = "init"
-      prop.method = true
-      prop.value = this.parseMethod(isGenerator, isAsync)
-    } else if (this.options.ecmaVersion >= 5 && prop.key.type === "Identifier" &&
-               !prop.computed && (prop.key.name === "get" || prop.key.name === "set") &&
-               (this.tok.type != tt.comma && this.tok.type != tt.braceR)) {
-      prop.kind = prop.key.name
-      this.parsePropertyName(prop)
-      prop.value = this.parseMethod(false)
-    } else {
-      prop.kind = "init"
-      if (this.options.ecmaVersion >= 6) {
-        if (this.eat(tt.eq)) {
-          let assign = this.startNodeAt(start)
-          assign.operator = "="
-          assign.left = prop.key
-          assign.right = this.parseMaybeAssign()
-          prop.value = this.finishNode(assign, "AssignmentExpression")
-        } else {
-          prop.value = prop.key
-        }
-      } else {
-        prop.value = this.dummyIdent()
-      }
-      prop.shorthand = true
-    }
-    node.properties.push(this.finishNode(prop, "Property"))
-    this.eat(tt.comma)
-  }
-  this.popCx()
-  if (!this.eat(tt.braceR)) {
-    // If there is no closing brace, make the node span to the start
-    // of the next token (this is useful for Tern)
-    this.last.end = this.tok.start
-    if (this.options.locations) this.last.loc.end = this.tok.loc.start
-  }
-  return this.finishNode(node, "ObjectExpression")
-}
-
-lp.parsePropertyName = function(prop) {
-  if (this.options.ecmaVersion >= 6) {
-    if (this.eat(tt.bracketL)) {
-      prop.computed = true
-      prop.key = this.parseExpression()
-      this.expect(tt.bracketR)
-      return
-    } else {
-      prop.computed = false
-    }
-  }
-  let key = (this.tok.type === tt.num || this.tok.type === tt.string) ? this.parseExprAtom() : this.parseIdent()
-  prop.key = key || this.dummyIdent()
-}
-
-lp.parsePropertyAccessor = function() {
-  if (this.tok.type === tt.name || this.tok.type.keyword) return this.parseIdent()
-}
-
-lp.parseIdent = function() {
-  let name = this.tok.type === tt.name ? this.tok.value : this.tok.type.keyword
-  if (!name) return this.dummyIdent()
-  let node = this.startNode()
-  this.next()
-  node.name = name
-  return this.finishNode(node, "Identifier")
-}
-
-lp.initFunction = function(node) {
-  node.id = null
-  node.params = []
-  if (this.options.ecmaVersion >= 6) {
-    node.generator = false
-    node.expression = false
-  }
-  if (this.options.ecmaVersion >= 8)
-    node.async = false
-}
-
-// Convert existing expression atom to assignable pattern
-// if possible.
-
-lp.toAssignable = function(node, binding) {
-  if (!node || node.type == "Identifier" || (node.type == "MemberExpression" && !binding)) {
-    // Okay
-  } else if (node.type == "ParenthesizedExpression") {
-    node.expression = this.toAssignable(node.expression, binding)
-  } else if (this.options.ecmaVersion < 6) {
-    return this.dummyIdent()
-  } else if (node.type == "ObjectExpression") {
-    node.type = "ObjectPattern"
-    let props = node.properties
-    for (let i = 0; i < props.length; i++)
-      props[i].value = this.toAssignable(props[i].value, binding)
-  } else if (node.type == "ArrayExpression") {
-    node.type = "ArrayPattern"
-    this.toAssignableList(node.elements, binding)
-  } else if (node.type == "SpreadElement") {
-    node.type = "RestElement"
-    node.argument = this.toAssignable(node.argument, binding)
-  } else if (node.type == "AssignmentExpression") {
-    node.type = "AssignmentPattern"
-    delete node.operator
-  } else {
-    return this.dummyIdent()
-  }
-  return node
-}
-
-lp.toAssignableList = function(exprList, binding) {
-  for (let i = 0; i < exprList.length; i++)
-    exprList[i] = this.toAssignable(exprList[i], binding)
-  return exprList
-}
-
-lp.parseFunctionParams = function(params) {
-  params = this.parseExprList(tt.parenR)
-  return this.toAssignableList(params, true)
-}
-
-lp.parseMethod = function(isGenerator, isAsync) {
-  let node = this.startNode(), oldInAsync = this.inAsync
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 6)
-    node.generator = !!isGenerator
-  if (this.options.ecmaVersion >= 8)
-    node.async = !!isAsync
-  this.inAsync = node.async
-  node.params = this.parseFunctionParams()
-  node.expression = this.options.ecmaVersion >= 6 && this.tok.type !== tt.braceL
-  node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock()
-  this.inAsync = oldInAsync
-  return this.finishNode(node, "FunctionExpression")
-}
-
-lp.parseArrowExpression = function(node, params, isAsync) {
-  let oldInAsync = this.inAsync
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 8)
-    node.async = !!isAsync
-  this.inAsync = node.async
-  node.params = this.toAssignableList(params, true)
-  node.expression = this.tok.type !== tt.braceL
-  node.body = node.expression ? this.parseMaybeAssign() : this.parseBlock()
-  this.inAsync = oldInAsync
-  return this.finishNode(node, "ArrowFunctionExpression")
-}
-
-lp.parseExprList = function(close, allowEmpty) {
-  this.pushCx()
-  let indent = this.curIndent, line = this.curLineStart, elts = []
-  this.next() // Opening bracket
-  while (!this.closes(close, indent + 1, line)) {
-    if (this.eat(tt.comma)) {
-      elts.push(allowEmpty ? null : this.dummyIdent())
-      continue
-    }
-    let elt = this.parseMaybeAssign()
-    if (isDummy(elt)) {
-      if (this.closes(close, indent, line)) break
-      this.next()
-    } else {
-      elts.push(elt)
-    }
-    this.eat(tt.comma)
-  }
-  this.popCx()
-  if (!this.eat(close)) {
-    // If there is no closing brace, make the node span to the start
-    // of the next token (this is useful for Tern)
-    this.last.end = this.tok.start
-    if (this.options.locations) this.last.loc.end = this.tok.loc.start
-  }
-  return elts
-}
-
-lp.parseAwait = function() {
-  let node = this.startNode()
-  this.next()
-  node.argument = this.parseMaybeUnary()
-  return this.finishNode(node, "AwaitExpression")
-}

tools/eslint/node_modules/acorn/src/loose/index.js

@@ -1,49 +0,0 @@
-// Acorn: Loose parser
-//
-// This module provides an alternative parser (`parse_dammit`) that
-// exposes that same interface as `parse`, but will try to parse
-// anything as JavaScript, repairing syntax error the best it can.
-// There are circumstances in which it will raise an error and give
-// up, but they are very rare. The resulting AST will be a mostly
-// valid JavaScript AST (as per the [Mozilla parser API][api], except
-// that:
-//
-// - Return outside functions is allowed
-//
-// - Label consistency (no conflicts, break only to existing labels)
-//   is not enforced.
-//
-// - Bogus Identifier nodes with a name of `"✖"` are inserted whenever
-//   the parser got too confused to return anything meaningful.
-//
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
-//
-// The expected use for this is to *first* try `acorn.parse`, and only
-// if that fails switch to `parse_dammit`. The loose parser might
-// parse badly indented code incorrectly, so **don't** use it as
-// your default parser.
-//
-// Quite a lot of acorn.js is duplicated here. The alternative was to
-// add a *lot* of extra cruft to that file, making it less readable
-// and slower. Copying and editing the code allowed me to make
-// invasive changes and simplifications without creating a complicated
-// tangle.
-
-import {addLooseExports, defaultOptions} from "../index"
-import {LooseParser, pluginsLoose} from "./state"
-import "./tokenize"
-import "./statement"
-import "./expression"
-
-export {LooseParser, pluginsLoose} from "./state"
-
-defaultOptions.tabSize = 4
-
-// eslint-disable-next-line camelcase
-export function parse_dammit(input, options) {
-  let p = new LooseParser(input, options)
-  p.next()
-  return p.parseTopLevel()
-}
-
-addLooseExports(parse_dammit, LooseParser, pluginsLoose)

tools/eslint/node_modules/acorn/src/loose/parseutil.js

@@ -1 +0,0 @@
-export function isDummy(node) { return node.name == "✖" }

tools/eslint/node_modules/acorn/src/loose/state.js

@@ -1,161 +0,0 @@
-import {tokenizer, SourceLocation, tokTypes as tt, Node, lineBreak, isNewLine} from "../index"
-
-// Registered plugins
-export const pluginsLoose = {}
-
-export class LooseParser {
-  constructor(input, options = {}) {
-    this.toks = tokenizer(input, options)
-    this.options = this.toks.options
-    this.input = this.toks.input
-    this.tok = this.last = {type: tt.eof, start: 0, end: 0}
-    if (this.options.locations) {
-      let here = this.toks.curPosition()
-      this.tok.loc = new SourceLocation(this.toks, here, here)
-    }
-    this.ahead = [] // Tokens ahead
-    this.context = [] // Indentation contexted
-    this.curIndent = 0
-    this.curLineStart = 0
-    this.nextLineStart = this.lineEnd(this.curLineStart) + 1
-    this.inAsync = false
-    // Load plugins
-    this.options.pluginsLoose = options.pluginsLoose || {}
-    this.loadPlugins(this.options.pluginsLoose)
-  }
-
-  startNode() {
-    return new Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null)
-  }
-
-  storeCurrentPos() {
-    return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start
-  }
-
-  startNodeAt(pos) {
-    if (this.options.locations) {
-      return new Node(this.toks, pos[0], pos[1])
-    } else {
-      return new Node(this.toks, pos)
-    }
-  }
-
-  finishNode(node, type) {
-    node.type = type
-    node.end = this.last.end
-    if (this.options.locations)
-      node.loc.end = this.last.loc.end
-    if (this.options.ranges)
-      node.range[1] = this.last.end
-    return node
-  }
-
-  dummyNode(type) {
-    let dummy = this.startNode()
-    dummy.type = type
-    dummy.end = dummy.start
-    if (this.options.locations)
-      dummy.loc.end = dummy.loc.start
-    if (this.options.ranges)
-      dummy.range[1] = dummy.start
-    this.last = {type: tt.name, start: dummy.start, end: dummy.start, loc: dummy.loc}
-    return dummy
-  }
-
-  dummyIdent() {
-    let dummy = this.dummyNode("Identifier")
-    dummy.name = "✖"
-    return dummy
-  }
-
-  dummyString() {
-    let dummy = this.dummyNode("Literal")
-    dummy.value = dummy.raw = "✖"
-    return dummy
-  }
-
-  eat(type) {
-    if (this.tok.type === type) {
-      this.next()
-      return true
-    } else {
-      return false
-    }
-  }
-
-  isContextual(name) {
-    return this.tok.type === tt.name && this.tok.value === name
-  }
-
-  eatContextual(name) {
-    return this.tok.value === name && this.eat(tt.name)
-  }
-
-  canInsertSemicolon() {
-    return this.tok.type === tt.eof || this.tok.type === tt.braceR ||
-      lineBreak.test(this.input.slice(this.last.end, this.tok.start))
-  }
-
-  semicolon() {
-    return this.eat(tt.semi)
-  }
-
-  expect(type) {
-    if (this.eat(type)) return true
-    for (let i = 1; i <= 2; i++) {
-      if (this.lookAhead(i).type == type) {
-        for (let j = 0; j < i; j++) this.next()
-        return true
-      }
-    }
-  }
-
-  pushCx() {
-    this.context.push(this.curIndent)
-  }
-
-  popCx() {
-    this.curIndent = this.context.pop()
-  }
-
-  lineEnd(pos) {
-    while (pos < this.input.length && !isNewLine(this.input.charCodeAt(pos))) ++pos
-    return pos
-  }
-
-  indentationAfter(pos) {
-    for (let count = 0;; ++pos) {
-      let ch = this.input.charCodeAt(pos)
-      if (ch === 32) ++count
-      else if (ch === 9) count += this.options.tabSize
-      else return count
-    }
-  }
-
-  closes(closeTok, indent, line, blockHeuristic) {
-    if (this.tok.type === closeTok || this.tok.type === tt.eof) return true
-    return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() &&
-      (!blockHeuristic || this.nextLineStart >= this.input.length ||
-       this.indentationAfter(this.nextLineStart) < indent)
-  }
-
-  tokenStartsLine() {
-    for (let p = this.tok.start - 1; p >= this.curLineStart; --p) {
-      let ch = this.input.charCodeAt(p)
-      if (ch !== 9 && ch !== 32) return false
-    }
-    return true
-  }
-
-  extend(name, f) {
-    this[name] = f(this[name])
-  }
-
-  loadPlugins(pluginConfigs) {
-    for (let name in pluginConfigs) {
-      let plugin = pluginsLoose[name]
-      if (!plugin) throw new Error("Plugin '" + name + "' not found")
-      plugin(this, pluginConfigs[name])
-    }
-  }
-}

tools/eslint/node_modules/acorn/src/loose/statement.js

@@ -1,448 +0,0 @@
-import {LooseParser} from "./state"
-import {isDummy} from "./parseutil"
-import {getLineInfo, tokTypes as tt} from "../index"
-
-const lp = LooseParser.prototype
-
-lp.parseTopLevel = function() {
-  let node = this.startNodeAt(this.options.locations ? [0, getLineInfo(this.input, 0)] : 0)
-  node.body = []
-  while (this.tok.type !== tt.eof) node.body.push(this.parseStatement())
-  this.last = this.tok
-  if (this.options.ecmaVersion >= 6) {
-    node.sourceType = this.options.sourceType
-  }
-  return this.finishNode(node, "Program")
-}
-
-lp.parseStatement = function() {
-  let starttype = this.tok.type, node = this.startNode(), kind
-
-  if (this.toks.isLet()) {
-    starttype = tt._var
-    kind = "let"
-  }
-
-  switch (starttype) {
-  case tt._break: case tt._continue:
-    this.next()
-    let isBreak = starttype === tt._break
-    if (this.semicolon() || this.canInsertSemicolon()) {
-      node.label = null
-    } else {
-      node.label = this.tok.type === tt.name ? this.parseIdent() : null
-      this.semicolon()
-    }
-    return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
-
-  case tt._debugger:
-    this.next()
-    this.semicolon()
-    return this.finishNode(node, "DebuggerStatement")
-
-  case tt._do:
-    this.next()
-    node.body = this.parseStatement()
-    node.test = this.eat(tt._while) ? this.parseParenExpression() : this.dummyIdent()
-    this.semicolon()
-    return this.finishNode(node, "DoWhileStatement")
-
-  case tt._for:
-    this.next()
-    this.pushCx()
-    this.expect(tt.parenL)
-    if (this.tok.type === tt.semi) return this.parseFor(node, null)
-    let isLet = this.toks.isLet()
-    if (isLet || this.tok.type === tt._var || this.tok.type === tt._const) {
-      let init = this.parseVar(true, isLet ? "let" : this.tok.value)
-      if (init.declarations.length === 1 && (this.tok.type === tt._in || this.isContextual("of"))) {
-        return this.parseForIn(node, init)
-      }
-      return this.parseFor(node, init)
-    }
-    let init = this.parseExpression(true)
-    if (this.tok.type === tt._in || this.isContextual("of"))
-      return this.parseForIn(node, this.toAssignable(init))
-    return this.parseFor(node, init)
-
-  case tt._function:
-    this.next()
-    return this.parseFunction(node, true)
-
-  case tt._if:
-    this.next()
-    node.test = this.parseParenExpression()
-    node.consequent = this.parseStatement()
-    node.alternate = this.eat(tt._else) ? this.parseStatement() : null
-    return this.finishNode(node, "IfStatement")
-
-  case tt._return:
-    this.next()
-    if (this.eat(tt.semi) || this.canInsertSemicolon()) node.argument = null
-    else { node.argument = this.parseExpression(); this.semicolon() }
-    return this.finishNode(node, "ReturnStatement")
-
-  case tt._switch:
-    let blockIndent = this.curIndent, line = this.curLineStart
-    this.next()
-    node.discriminant = this.parseParenExpression()
-    node.cases = []
-    this.pushCx()
-    this.expect(tt.braceL)
-
-    let cur
-    while (!this.closes(tt.braceR, blockIndent, line, true)) {
-      if (this.tok.type === tt._case || this.tok.type === tt._default) {
-        let isCase = this.tok.type === tt._case
-        if (cur) this.finishNode(cur, "SwitchCase")
-        node.cases.push(cur = this.startNode())
-        cur.consequent = []
-        this.next()
-        if (isCase) cur.test = this.parseExpression()
-        else cur.test = null
-        this.expect(tt.colon)
-      } else {
-        if (!cur) {
-          node.cases.push(cur = this.startNode())
-          cur.consequent = []
-          cur.test = null
-        }
-        cur.consequent.push(this.parseStatement())
-      }
-    }
-    if (cur) this.finishNode(cur, "SwitchCase")
-    this.popCx()
-    this.eat(tt.braceR)
-    return this.finishNode(node, "SwitchStatement")
-
-  case tt._throw:
-    this.next()
-    node.argument = this.parseExpression()
-    this.semicolon()
-    return this.finishNode(node, "ThrowStatement")
-
-  case tt._try:
-    this.next()
-    node.block = this.parseBlock()
-    node.handler = null
-    if (this.tok.type === tt._catch) {
-      let clause = this.startNode()
-      this.next()
-      this.expect(tt.parenL)
-      clause.param = this.toAssignable(this.parseExprAtom(), true)
-      this.expect(tt.parenR)
-      clause.body = this.parseBlock()
-      node.handler = this.finishNode(clause, "CatchClause")
-    }
-    node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null
-    if (!node.handler && !node.finalizer) return node.block
-    return this.finishNode(node, "TryStatement")
-
-  case tt._var:
-  case tt._const:
-    return this.parseVar(false, kind || this.tok.value)
-
-  case tt._while:
-    this.next()
-    node.test = this.parseParenExpression()
-    node.body = this.parseStatement()
-    return this.finishNode(node, "WhileStatement")
-
-  case tt._with:
-    this.next()
-    node.object = this.parseParenExpression()
-    node.body = this.parseStatement()
-    return this.finishNode(node, "WithStatement")
-
-  case tt.braceL:
-    return this.parseBlock()
-
-  case tt.semi:
-    this.next()
-    return this.finishNode(node, "EmptyStatement")
-
-  case tt._class:
-    return this.parseClass(true)
-
-  case tt._import:
-    return this.parseImport()
-
-  case tt._export:
-    return this.parseExport()
-
-  default:
-    if (this.toks.isAsyncFunction()) {
-      this.next()
-      this.next()
-      return this.parseFunction(node, true, true)
-    }
-    let expr = this.parseExpression()
-    if (isDummy(expr)) {
-      this.next()
-      if (this.tok.type === tt.eof) return this.finishNode(node, "EmptyStatement")
-      return this.parseStatement()
-    } else if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon)) {
-      node.body = this.parseStatement()
-      node.label = expr
-      return this.finishNode(node, "LabeledStatement")
-    } else {
-      node.expression = expr
-      this.semicolon()
-      return this.finishNode(node, "ExpressionStatement")
-    }
-  }
-}
-
-lp.parseBlock = function() {
-  let node = this.startNode()
-  this.pushCx()
-  this.expect(tt.braceL)
-  let blockIndent = this.curIndent, line = this.curLineStart
-  node.body = []
-  while (!this.closes(tt.braceR, blockIndent, line, true))
-    node.body.push(this.parseStatement())
-  this.popCx()
-  this.eat(tt.braceR)
-  return this.finishNode(node, "BlockStatement")
-}
-
-lp.parseFor = function(node, init) {
-  node.init = init
-  node.test = node.update = null
-  if (this.eat(tt.semi) && this.tok.type !== tt.semi) node.test = this.parseExpression()
-  if (this.eat(tt.semi) && this.tok.type !== tt.parenR) node.update = this.parseExpression()
-  this.popCx()
-  this.expect(tt.parenR)
-  node.body = this.parseStatement()
-  return this.finishNode(node, "ForStatement")
-}
-
-lp.parseForIn = function(node, init) {
-  let type = this.tok.type === tt._in ? "ForInStatement" : "ForOfStatement"
-  this.next()
-  node.left = init
-  node.right = this.parseExpression()
-  this.popCx()
-  this.expect(tt.parenR)
-  node.body = this.parseStatement()
-  return this.finishNode(node, type)
-}
-
-lp.parseVar = function(noIn, kind) {
-  let node = this.startNode()
-  node.kind = kind
-  this.next()
-  node.declarations = []
-  do {
-    let decl = this.startNode()
-    decl.id = this.options.ecmaVersion >= 6 ? this.toAssignable(this.parseExprAtom(), true) : this.parseIdent()
-    decl.init = this.eat(tt.eq) ? this.parseMaybeAssign(noIn) : null
-    node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
-  } while (this.eat(tt.comma))
-  if (!node.declarations.length) {
-    let decl = this.startNode()
-    decl.id = this.dummyIdent()
-    node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
-  }
-  if (!noIn) this.semicolon()
-  return this.finishNode(node, "VariableDeclaration")
-}
-
-lp.parseClass = function(isStatement) {
-  let node = this.startNode()
-  this.next()
-  if (this.tok.type === tt.name) node.id = this.parseIdent()
-  else if (isStatement === true) node.id = this.dummyIdent()
-  else node.id = null
-  node.superClass = this.eat(tt._extends) ? this.parseExpression() : null
-  node.body = this.startNode()
-  node.body.body = []
-  this.pushCx()
-  let indent = this.curIndent + 1, line = this.curLineStart
-  this.eat(tt.braceL)
-  if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart }
-  while (!this.closes(tt.braceR, indent, line)) {
-    if (this.semicolon()) continue
-    let method = this.startNode(), isGenerator, isAsync
-    if (this.options.ecmaVersion >= 6) {
-      method.static = false
-      isGenerator = this.eat(tt.star)
-    }
-    this.parsePropertyName(method)
-    if (isDummy(method.key)) { if (isDummy(this.parseMaybeAssign())) this.next(); this.eat(tt.comma); continue }
-    if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" &&
-        (this.tok.type != tt.parenL && this.tok.type != tt.braceL)) {
-      method.static = true
-      isGenerator = this.eat(tt.star)
-      this.parsePropertyName(method)
-    } else {
-      method.static = false
-    }
-    if (!method.computed &&
-        method.key.type === "Identifier" && method.key.name === "async" && this.tok.type !== tt.parenL &&
-        !this.canInsertSemicolon()) {
-      this.parsePropertyName(method)
-      isAsync = true
-    } else {
-      isAsync = false
-    }
-    if (this.options.ecmaVersion >= 5 && method.key.type === "Identifier" &&
-        !method.computed && (method.key.name === "get" || method.key.name === "set") &&
-        this.tok.type !== tt.parenL && this.tok.type !== tt.braceL) {
-      method.kind = method.key.name
-      this.parsePropertyName(method)
-      method.value = this.parseMethod(false)
-    } else {
-      if (!method.computed && !method.static && !isGenerator && !isAsync && (
-        method.key.type === "Identifier" && method.key.name === "constructor" ||
-          method.key.type === "Literal" && method.key.value === "constructor")) {
-        method.kind = "constructor"
-      } else {
-        method.kind = "method"
-      }
-      method.value = this.parseMethod(isGenerator, isAsync)
-    }
-    node.body.body.push(this.finishNode(method, "MethodDefinition"))
-  }
-  this.popCx()
-  if (!this.eat(tt.braceR)) {
-    // If there is no closing brace, make the node span to the start
-    // of the next token (this is useful for Tern)
-    this.last.end = this.tok.start
-    if (this.options.locations) this.last.loc.end = this.tok.loc.start
-  }
-  this.semicolon()
-  this.finishNode(node.body, "ClassBody")
-  return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
-}
-
-lp.parseFunction = function(node, isStatement, isAsync) {
-  let oldInAsync = this.inAsync
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 6) {
-    node.generator = this.eat(tt.star)
-  }
-  if (this.options.ecmaVersion >= 8) {
-    node.async = !!isAsync
-  }
-  if (this.tok.type === tt.name) node.id = this.parseIdent()
-  else if (isStatement === true) node.id = this.dummyIdent()
-  this.inAsync = node.async
-  node.params = this.parseFunctionParams()
-  node.body = this.parseBlock()
-  this.inAsync = oldInAsync
-  return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
-}
-
-lp.parseExport = function() {
-  let node = this.startNode()
-  this.next()
-  if (this.eat(tt.star)) {
-    node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString()
-    return this.finishNode(node, "ExportAllDeclaration")
-  }
-  if (this.eat(tt._default)) {
-    // export default (function foo() {}) // This is FunctionExpression.
-    let isAsync
-    if (this.tok.type === tt._function || (isAsync = this.toks.isAsyncFunction())) {
-      let fNode = this.startNode()
-      this.next()
-      if (isAsync) this.next()
-      node.declaration = this.parseFunction(fNode, "nullableID", isAsync)
-    } else if (this.tok.type === tt._class) {
-      node.declaration = this.parseClass("nullableID")
-    } else {
-      node.declaration = this.parseMaybeAssign()
-      this.semicolon()
-    }
-    return this.finishNode(node, "ExportDefaultDeclaration")
-  }
-  if (this.tok.type.keyword || this.toks.isLet() || this.toks.isAsyncFunction()) {
-    node.declaration = this.parseStatement()
-    node.specifiers = []
-    node.source = null
-  } else {
-    node.declaration = null
-    node.specifiers = this.parseExportSpecifierList()
-    node.source = this.eatContextual("from") ? this.parseExprAtom() : null
-    this.semicolon()
-  }
-  return this.finishNode(node, "ExportNamedDeclaration")
-}
-
-lp.parseImport = function() {
-  let node = this.startNode()
-  this.next()
-  if (this.tok.type === tt.string) {
-    node.specifiers = []
-    node.source = this.parseExprAtom()
-    node.kind = ""
-  } else {
-    let elt
-    if (this.tok.type === tt.name && this.tok.value !== "from") {
-      elt = this.startNode()
-      elt.local = this.parseIdent()
-      this.finishNode(elt, "ImportDefaultSpecifier")
-      this.eat(tt.comma)
-    }
-    node.specifiers = this.parseImportSpecifierList()
-    node.source = this.eatContextual("from") && this.tok.type == tt.string ? this.parseExprAtom() : this.dummyString()
-    if (elt) node.specifiers.unshift(elt)
-  }
-  this.semicolon()
-  return this.finishNode(node, "ImportDeclaration")
-}
-
-lp.parseImportSpecifierList = function() {
-  let elts = []
-  if (this.tok.type === tt.star) {
-    let elt = this.startNode()
-    this.next()
-    elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent()
-    elts.push(this.finishNode(elt, "ImportNamespaceSpecifier"))
-  } else {
-    let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart
-    this.pushCx()
-    this.eat(tt.braceL)
-    if (this.curLineStart > continuedLine) continuedLine = this.curLineStart
-    while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
-      let elt = this.startNode()
-      if (this.eat(tt.star)) {
-        elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent()
-        this.finishNode(elt, "ImportNamespaceSpecifier")
-      } else {
-        if (this.isContextual("from")) break
-        elt.imported = this.parseIdent()
-        if (isDummy(elt.imported)) break
-        elt.local = this.eatContextual("as") ? this.parseIdent() : elt.imported
-        this.finishNode(elt, "ImportSpecifier")
-      }
-      elts.push(elt)
-      this.eat(tt.comma)
-    }
-    this.eat(tt.braceR)
-    this.popCx()
-  }
-  return elts
-}
-
-lp.parseExportSpecifierList = function() {
-  let elts = []
-  let indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart
-  this.pushCx()
-  this.eat(tt.braceL)
-  if (this.curLineStart > continuedLine) continuedLine = this.curLineStart
-  while (!this.closes(tt.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
-    if (this.isContextual("from")) break
-    let elt = this.startNode()
-    elt.local = this.parseIdent()
-    if (isDummy(elt.local)) break
-    elt.exported = this.eatContextual("as") ? this.parseIdent() : elt.local
-    this.finishNode(elt, "ExportSpecifier")
-    elts.push(elt)
-    this.eat(tt.comma)
-  }
-  this.eat(tt.braceR)
-  this.popCx()
-  return elts
-}

tools/eslint/node_modules/acorn/src/loose/tokenize.js

@@ -1,111 +0,0 @@
-import {tokTypes as tt, Token, isNewLine, SourceLocation, getLineInfo, lineBreakG} from "../index"
-import {LooseParser} from "./state"
-
-const lp = LooseParser.prototype
-
-function isSpace(ch) {
-  return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || isNewLine(ch)
-}
-
-lp.next = function() {
-  this.last = this.tok
-  if (this.ahead.length)
-    this.tok = this.ahead.shift()
-  else
-    this.tok = this.readToken()
-
-  if (this.tok.start >= this.nextLineStart) {
-    while (this.tok.start >= this.nextLineStart) {
-      this.curLineStart = this.nextLineStart
-      this.nextLineStart = this.lineEnd(this.curLineStart) + 1
-    }
-    this.curIndent = this.indentationAfter(this.curLineStart)
-  }
-}
-
-lp.readToken = function() {
-  for (;;) {
-    try {
-      this.toks.next()
-      if (this.toks.type === tt.dot &&
-          this.input.substr(this.toks.end, 1) === "." &&
-          this.options.ecmaVersion >= 6) {
-        this.toks.end++
-        this.toks.type = tt.ellipsis
-      }
-      return new Token(this.toks)
-    } catch (e) {
-      if (!(e instanceof SyntaxError)) throw e
-
-      // Try to skip some text, based on the error message, and then continue
-      let msg = e.message, pos = e.raisedAt, replace = true
-      if (/unterminated/i.test(msg)) {
-        pos = this.lineEnd(e.pos + 1)
-        if (/string/.test(msg)) {
-          replace = {start: e.pos, end: pos, type: tt.string, value: this.input.slice(e.pos + 1, pos)}
-        } else if (/regular expr/i.test(msg)) {
-          let re = this.input.slice(e.pos, pos)
-          try { re = new RegExp(re) } catch (e) { /* ignore compilation error due to new syntax */ }
-          replace = {start: e.pos, end: pos, type: tt.regexp, value: re}
-        } else if (/template/.test(msg)) {
-          replace = {
-            start: e.pos,
-            end: pos,
-            type: tt.template,
-            value: this.input.slice(e.pos, pos)
-          }
-        } else {
-          replace = false
-        }
-      } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) {
-        while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) ++pos
-      } else if (/character escape|expected hexadecimal/i.test(msg)) {
-        while (pos < this.input.length) {
-          let ch = this.input.charCodeAt(pos++)
-          if (ch === 34 || ch === 39 || isNewLine(ch)) break
-        }
-      } else if (/unexpected character/i.test(msg)) {
-        pos++
-        replace = false
-      } else if (/regular expression/i.test(msg)) {
-        replace = true
-      } else {
-        throw e
-      }
-      this.resetTo(pos)
-      if (replace === true) replace = {start: pos, end: pos, type: tt.name, value: "✖"}
-      if (replace) {
-        if (this.options.locations)
-          replace.loc = new SourceLocation(
-            this.toks,
-            getLineInfo(this.input, replace.start),
-            getLineInfo(this.input, replace.end))
-        return replace
-      }
-    }
-  }
-}
-
-lp.resetTo = function(pos) {
-  this.toks.pos = pos
-  let ch = this.input.charAt(pos - 1)
-  this.toks.exprAllowed = !ch || /[[{(,;:?/*=+\-~!|&%^<>]/.test(ch) ||
-    /[enwfd]/.test(ch) &&
-    /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos))
-
-  if (this.options.locations) {
-    this.toks.curLine = 1
-    this.toks.lineStart = lineBreakG.lastIndex = 0
-    let match
-    while ((match = lineBreakG.exec(this.input)) && match.index < pos) {
-      ++this.toks.curLine
-      this.toks.lineStart = match.index + match[0].length
-    }
-  }
-}
-
-lp.lookAhead = function(n) {
-  while (n > this.ahead.length)
-    this.ahead.push(this.readToken())
-  return this.ahead[n - 1]
-}

tools/eslint/node_modules/acorn/src/lval.js

@@ -1,236 +0,0 @@
-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {has} from "./util"
-
-const pp = Parser.prototype
-
-// Convert existing expression atom to assignable pattern
-// if possible.
-
-pp.toAssignable = function(node, isBinding) {
-  if (this.options.ecmaVersion >= 6 && node) {
-    switch (node.type) {
-    case "Identifier":
-      if (this.inAsync && node.name === "await")
-        this.raise(node.start, "Can not use 'await' as identifier inside an async function")
-      break
-
-    case "ObjectPattern":
-    case "ArrayPattern":
-      break
-
-    case "ObjectExpression":
-      node.type = "ObjectPattern"
-      for (let i = 0; i < node.properties.length; i++) {
-        let prop = node.properties[i]
-        if (prop.kind !== "init") this.raise(prop.key.start, "Object pattern can't contain getter or setter")
-        this.toAssignable(prop.value, isBinding)
-      }
-      break
-
-    case "ArrayExpression":
-      node.type = "ArrayPattern"
-      this.toAssignableList(node.elements, isBinding)
-      break
-
-    case "AssignmentExpression":
-      if (node.operator === "=") {
-        node.type = "AssignmentPattern"
-        delete node.operator
-        this.toAssignable(node.left, isBinding)
-        // falls through to AssignmentPattern
-      } else {
-        this.raise(node.left.end, "Only '=' operator can be used for specifying default value.")
-        break
-      }
-
-    case "AssignmentPattern":
-      break
-
-    case "ParenthesizedExpression":
-      node.expression = this.toAssignable(node.expression, isBinding)
-      break
-
-    case "MemberExpression":
-      if (!isBinding) break
-
-    default:
-      this.raise(node.start, "Assigning to rvalue")
-    }
-  }
-  return node
-}
-
-// Convert list of expression atoms to binding list.
-
-pp.toAssignableList = function(exprList, isBinding) {
-  let end = exprList.length
-  if (end) {
-    let last = exprList[end - 1]
-    if (last && last.type == "RestElement") {
-      --end
-    } else if (last && last.type == "SpreadElement") {
-      last.type = "RestElement"
-      let arg = last.argument
-      this.toAssignable(arg, isBinding)
-      if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern")
-        this.unexpected(arg.start)
-      --end
-    }
-
-    if (isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier")
-      this.unexpected(last.argument.start)
-  }
-  for (let i = 0; i < end; i++) {
-    let elt = exprList[i]
-    if (elt) this.toAssignable(elt, isBinding)
-  }
-  return exprList
-}
-
-// Parses spread element.
-
-pp.parseSpread = function(refDestructuringErrors) {
-  let node = this.startNode()
-  this.next()
-  node.argument = this.parseMaybeAssign(false, refDestructuringErrors)
-  return this.finishNode(node, "SpreadElement")
-}
-
-pp.parseRest = function(allowNonIdent) {
-  let node = this.startNode()
-  this.next()
-
-  // RestElement inside of a function parameter must be an identifier
-  if (allowNonIdent) node.argument = this.type === tt.name ? this.parseIdent() : this.unexpected()
-  else node.argument = this.type === tt.name || this.type === tt.bracketL ? this.parseBindingAtom() : this.unexpected()
-
-  return this.finishNode(node, "RestElement")
-}
-
-// Parses lvalue (assignable) atom.
-
-pp.parseBindingAtom = function() {
-  if (this.options.ecmaVersion < 6) return this.parseIdent()
-  switch (this.type) {
-  case tt.name:
-    return this.parseIdent()
-
-  case tt.bracketL:
-    let node = this.startNode()
-    this.next()
-    node.elements = this.parseBindingList(tt.bracketR, true, true)
-    return this.finishNode(node, "ArrayPattern")
-
-  case tt.braceL:
-    return this.parseObj(true)
-
-  default:
-    this.unexpected()
-  }
-}
-
-pp.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowNonIdent) {
-  let elts = [], first = true
-  while (!this.eat(close)) {
-    if (first) first = false
-    else this.expect(tt.comma)
-    if (allowEmpty && this.type === tt.comma) {
-      elts.push(null)
-    } else if (allowTrailingComma && this.afterTrailingComma(close)) {
-      break
-    } else if (this.type === tt.ellipsis) {
-      let rest = this.parseRest(allowNonIdent)
-      this.parseBindingListItem(rest)
-      elts.push(rest)
-      if (this.type === tt.comma) this.raise(this.start, "Comma is not permitted after the rest element")
-      this.expect(close)
-      break
-    } else {
-      let elem = this.parseMaybeDefault(this.start, this.startLoc)
-      this.parseBindingListItem(elem)
-      elts.push(elem)
-    }
-  }
-  return elts
-}
-
-pp.parseBindingListItem = function(param) {
-  return param
-}
-
-// Parses assignment pattern around given atom if possible.
-
-pp.parseMaybeDefault = function(startPos, startLoc, left) {
-  left = left || this.parseBindingAtom()
-  if (this.options.ecmaVersion < 6 || !this.eat(tt.eq)) return left
-  let node = this.startNodeAt(startPos, startLoc)
-  node.left = left
-  node.right = this.parseMaybeAssign()
-  return this.finishNode(node, "AssignmentPattern")
-}
-
-// Verify that a node is an lval — something that can be assigned
-// to.
-// bindingType can be either:
-// 'var' indicating that the lval creates a 'var' binding
-// 'let' indicating that the lval creates a lexical ('let' or 'const') binding
-// 'none' indicating that the binding should be checked for illegal identifiers, but not for duplicate references
-
-pp.checkLVal = function(expr, bindingType, checkClashes) {
-  switch (expr.type) {
-  case "Identifier":
-    if (this.strict && this.reservedWordsStrictBind.test(expr.name))
-      this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode")
-    if (checkClashes) {
-      if (has(checkClashes, expr.name))
-        this.raiseRecoverable(expr.start, "Argument name clash")
-      checkClashes[expr.name] = true
-    }
-    if (bindingType && bindingType !== "none") {
-      if (
-        bindingType === "var" && !this.canDeclareVarName(expr.name) ||
-        bindingType !== "var" && !this.canDeclareLexicalName(expr.name)
-      ) {
-        this.raiseRecoverable(expr.start, `Identifier '${expr.name}' has already been declared`)
-      }
-      if (bindingType === "var") {
-        this.declareVarName(expr.name)
-      } else {
-        this.declareLexicalName(expr.name)
-      }
-    }
-    break
-
-  case "MemberExpression":
-    if (bindingType) this.raiseRecoverable(expr.start, (bindingType ? "Binding" : "Assigning to") + " member expression")
-    break
-
-  case "ObjectPattern":
-    for (let i = 0; i < expr.properties.length; i++)
-      this.checkLVal(expr.properties[i].value, bindingType, checkClashes)
-    break
-
-  case "ArrayPattern":
-    for (let i = 0; i < expr.elements.length; i++) {
-      let elem = expr.elements[i]
-      if (elem) this.checkLVal(elem, bindingType, checkClashes)
-    }
-    break
-
-  case "AssignmentPattern":
-    this.checkLVal(expr.left, bindingType, checkClashes)
-    break
-
-  case "RestElement":
-    this.checkLVal(expr.argument, bindingType, checkClashes)
-    break
-
-  case "ParenthesizedExpression":
-    this.checkLVal(expr.expression, bindingType, checkClashes)
-    break
-
-  default:
-    this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue")
-  }
-}

tools/eslint/node_modules/acorn/src/node.js

@@ -1,50 +0,0 @@
-import {Parser} from "./state"
-import {SourceLocation} from "./locutil"
-
-export class Node {
-  constructor(parser, pos, loc) {
-    this.type = ""
-    this.start = pos
-    this.end = 0
-    if (parser.options.locations)
-      this.loc = new SourceLocation(parser, loc)
-    if (parser.options.directSourceFile)
-      this.sourceFile = parser.options.directSourceFile
-    if (parser.options.ranges)
-      this.range = [pos, 0]
-  }
-}
-
-// Start an AST node, attaching a start offset.
-
-const pp = Parser.prototype
-
-pp.startNode = function() {
-  return new Node(this, this.start, this.startLoc)
-}
-
-pp.startNodeAt = function(pos, loc) {
-  return new Node(this, pos, loc)
-}
-
-// Finish an AST node, adding `type` and `end` properties.
-
-function finishNodeAt(node, type, pos, loc) {
-  node.type = type
-  node.end = pos
-  if (this.options.locations)
-    node.loc.end = loc
-  if (this.options.ranges)
-    node.range[1] = pos
-  return node
-}
-
-pp.finishNode = function(node, type) {
-  return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc)
-}
-
-// Finish node at given position
-
-pp.finishNodeAt = function(node, type, pos, loc) {
-  return finishNodeAt.call(this, node, type, pos, loc)
-}

tools/eslint/node_modules/acorn/src/options.js

@@ -1,127 +0,0 @@
-import {has, isArray} from "./util"
-import {SourceLocation} from "./locutil"
-
-// A second optional argument can be given to further configure
-// the parser process. These options are recognized:
-
-export const defaultOptions = {
-  // `ecmaVersion` indicates the ECMAScript version to parse. Must
-  // be either 3, 5, 6 (2015), 7 (2016), or 8 (2017). This influences support
-  // for strict mode, the set of reserved words, and support for
-  // new syntax features. The default is 7.
-  ecmaVersion: 7,
-  // `sourceType` indicates the mode the code should be parsed in.
-  // Can be either `"script"` or `"module"`. This influences global
-  // strict mode and parsing of `import` and `export` declarations.
-  sourceType: "script",
-  // `onInsertedSemicolon` can be a callback that will be called
-  // when a semicolon is automatically inserted. It will be passed
-  // th position of the comma as an offset, and if `locations` is
-  // enabled, it is given the location as a `{line, column}` object
-  // as second argument.
-  onInsertedSemicolon: null,
-  // `onTrailingComma` is similar to `onInsertedSemicolon`, but for
-  // trailing commas.
-  onTrailingComma: null,
-  // By default, reserved words are only enforced if ecmaVersion >= 5.
-  // Set `allowReserved` to a boolean value to explicitly turn this on
-  // an off. When this option has the value "never", reserved words
-  // and keywords can also not be used as property names.
-  allowReserved: null,
-  // When enabled, a return at the top level is not considered an
-  // error.
-  allowReturnOutsideFunction: false,
-  // When enabled, import/export statements are not constrained to
-  // appearing at the top of the program.
-  allowImportExportEverywhere: false,
-  // When enabled, hashbang directive in the beginning of file
-  // is allowed and treated as a line comment.
-  allowHashBang: false,
-  // When `locations` is on, `loc` properties holding objects with
-  // `start` and `end` properties in `{line, column}` form (with
-  // line being 1-based and column 0-based) will be attached to the
-  // nodes.
-  locations: false,
-  // A function can be passed as `onToken` option, which will
-  // cause Acorn to call that function with object in the same
-  // format as tokens returned from `tokenizer().getToken()`. Note
-  // that you are not allowed to call the parser from the
-  // callback—that will corrupt its internal state.
-  onToken: null,
-  // A function can be passed as `onComment` option, which will
-  // cause Acorn to call that function with `(block, text, start,
-  // end)` parameters whenever a comment is skipped. `block` is a
-  // boolean indicating whether this is a block (`/* */`) comment,
-  // `text` is the content of the comment, and `start` and `end` are
-  // character offsets that denote the start and end of the comment.
-  // When the `locations` option is on, two more parameters are
-  // passed, the full `{line, column}` locations of the start and
-  // end of the comments. Note that you are not allowed to call the
-  // parser from the callback—that will corrupt its internal state.
-  onComment: null,
-  // Nodes have their start and end characters offsets recorded in
-  // `start` and `end` properties (directly on the node, rather than
-  // the `loc` object, which holds line/column data. To also add a
-  // [semi-standardized][range] `range` property holding a `[start,
-  // end]` array with the same numbers, set the `ranges` option to
-  // `true`.
-  //
-  // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678
-  ranges: false,
-  // It is possible to parse multiple files into a single AST by
-  // passing the tree produced by parsing the first file as
-  // `program` option in subsequent parses. This will add the
-  // toplevel forms of the parsed file to the `Program` (top) node
-  // of an existing parse tree.
-  program: null,
-  // When `locations` is on, you can pass this to record the source
-  // file in every node's `loc` object.
-  sourceFile: null,
-  // This value, if given, is stored in every node, whether
-  // `locations` is on or off.
-  directSourceFile: null,
-  // When enabled, parenthesized expressions are represented by
-  // (non-standard) ParenthesizedExpression nodes
-  preserveParens: false,
-  plugins: {}
-}
-
-// Interpret and default an options object
-
-export function getOptions(opts) {
-  let options = {}
-
-  for (let opt in defaultOptions)
-    options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]
-
-  if (options.ecmaVersion >= 2015)
-    options.ecmaVersion -= 2009
-
-  if (options.allowReserved == null)
-    options.allowReserved = options.ecmaVersion < 5
-
-  if (isArray(options.onToken)) {
-    let tokens = options.onToken
-    options.onToken = (token) => tokens.push(token)
-  }
-  if (isArray(options.onComment))
-    options.onComment = pushComment(options, options.onComment)
-
-  return options
-}
-
-function pushComment(options, array) {
-  return function(block, text, start, end, startLoc, endLoc) {
-    let comment = {
-      type: block ? "Block" : "Line",
-      value: text,
-      start: start,
-      end: end
-    }
-    if (options.locations)
-      comment.loc = new SourceLocation(this, startLoc, endLoc)
-    if (options.ranges)
-      comment.range = [start, end]
-    array.push(comment)
-  }
-}

tools/eslint/node_modules/acorn/src/parseutil.js

@@ -1,128 +0,0 @@
-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {lineBreak, skipWhiteSpace} from "./whitespace"
-
-const pp = Parser.prototype
-
-// ## Parser utilities
-
-const literal = /^(?:'((?:[^']|\.)*)'|"((?:[^"]|\.)*)"|;)/
-pp.strictDirective = function(start) {
-  for (;;) {
-    skipWhiteSpace.lastIndex = start
-    start += skipWhiteSpace.exec(this.input)[0].length
-    let match = literal.exec(this.input.slice(start))
-    if (!match) return false
-    if ((match[1] || match[2]) == "use strict") return true
-    start += match[0].length
-  }
-}
-
-// Predicate that tests whether the next token is of the given
-// type, and if yes, consumes it as a side effect.
-
-pp.eat = function(type) {
-  if (this.type === type) {
-    this.next()
-    return true
-  } else {
-    return false
-  }
-}
-
-// Tests whether parsed token is a contextual keyword.
-
-pp.isContextual = function(name) {
-  return this.type === tt.name && this.value === name
-}
-
-// Consumes contextual keyword if possible.
-
-pp.eatContextual = function(name) {
-  return this.value === name && this.eat(tt.name)
-}
-
-// Asserts that following token is given contextual keyword.
-
-pp.expectContextual = function(name) {
-  if (!this.eatContextual(name)) this.unexpected()
-}
-
-// Test whether a semicolon can be inserted at the current position.
-
-pp.canInsertSemicolon = function() {
-  return this.type === tt.eof ||
-    this.type === tt.braceR ||
-    lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
-}
-
-pp.insertSemicolon = function() {
-  if (this.canInsertSemicolon()) {
-    if (this.options.onInsertedSemicolon)
-      this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc)
-    return true
-  }
-}
-
-// Consume a semicolon, or, failing that, see if we are allowed to
-// pretend that there is a semicolon at this position.
-
-pp.semicolon = function() {
-  if (!this.eat(tt.semi) && !this.insertSemicolon()) this.unexpected()
-}
-
-pp.afterTrailingComma = function(tokType, notNext) {
-  if (this.type == tokType) {
-    if (this.options.onTrailingComma)
-      this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc)
-    if (!notNext)
-      this.next()
-    return true
-  }
-}
-
-// Expect a token of a given type. If found, consume it, otherwise,
-// raise an unexpected token error.
-
-pp.expect = function(type) {
-  this.eat(type) || this.unexpected()
-}
-
-// Raise an unexpected token error.
-
-pp.unexpected = function(pos) {
-  this.raise(pos != null ? pos : this.start, "Unexpected token")
-}
-
-export class DestructuringErrors {
-  constructor() {
-    this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = -1
-  }
-}
-
-pp.checkPatternErrors = function(refDestructuringErrors, isAssign) {
-  if (!refDestructuringErrors) return
-  if (refDestructuringErrors.trailingComma > -1)
-    this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element")
-  let parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind
-  if (parens > -1) this.raiseRecoverable(parens, "Parenthesized pattern")
-}
-
-pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) {
-  let pos = refDestructuringErrors ? refDestructuringErrors.shorthandAssign : -1
-  if (!andThrow) return pos >= 0
-  if (pos > -1) this.raise(pos, "Shorthand property assignments are valid only in destructuring patterns")
-}
-
-pp.checkYieldAwaitInDefaultParams = function() {
-  if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos))
-    this.raise(this.yieldPos, "Yield expression cannot be a default value")
-  if (this.awaitPos)
-    this.raise(this.awaitPos, "Await expression cannot be a default value")
-}
-
-pp.isSimpleAssignTarget = function(expr) {
-  if (expr.type === "ParenthesizedExpression")
-    return this.isSimpleAssignTarget(expr.expression)
-  return expr.type === "Identifier" || expr.type === "MemberExpression"
-}

tools/eslint/node_modules/acorn/src/scope.js

@@ -1,75 +0,0 @@
-import {Parser} from "./state"
-import {has} from "./util"
-
-const pp = Parser.prototype
-
-// Object.assign polyfill
-const assign = Object.assign || function(target, ...sources) {
-  for (let i = 0; i < sources.length; i++) {
-    const source = sources[i]
-    for (const key in source) {
-      if (has(source, key)) {
-        target[key] = source[key]
-      }
-    }
-  }
-  return target
-}
-
-// The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names.
-
-pp.enterFunctionScope = function() {
-  // var: a hash of var-declared names in the current lexical scope
-  // lexical: a hash of lexically-declared names in the current lexical scope
-  // childVar: a hash of var-declared names in all child lexical scopes of the current lexical scope (within the current function scope)
-  // parentLexical: a hash of lexically-declared names in all parent lexical scopes of the current lexical scope (within the current function scope)
-  this.scopeStack.push({var: {}, lexical: {}, childVar: {}, parentLexical: {}})
-}
-
-pp.exitFunctionScope = function() {
-  this.scopeStack.pop()
-}
-
-pp.enterLexicalScope = function() {
-  const parentScope = this.scopeStack[this.scopeStack.length - 1]
-  const childScope = {var: {}, lexical: {}, childVar: {}, parentLexical: {}}
-
-  this.scopeStack.push(childScope)
-  assign(childScope.parentLexical, parentScope.lexical, parentScope.parentLexical)
-}
-
-pp.exitLexicalScope = function() {
-  const childScope = this.scopeStack.pop()
-  const parentScope = this.scopeStack[this.scopeStack.length - 1]
-
-  assign(parentScope.childVar, childScope.var, childScope.childVar)
-}
-
-/**
- * A name can be declared with `var` if there are no variables with the same name declared with `let`/`const`
- * in the current lexical scope or any of the parent lexical scopes in this function.
- */
-pp.canDeclareVarName = function(name) {
-  const currentScope = this.scopeStack[this.scopeStack.length - 1]
-
-  return !has(currentScope.lexical, name) && !has(currentScope.parentLexical, name)
-}
-
-/**
- * A name can be declared with `let`/`const` if there are no variables with the same name declared with `let`/`const`
- * in the current scope, and there are no variables with the same name declared with `var` in the current scope or in
- * any child lexical scopes in this function.
- */
-pp.canDeclareLexicalName = function(name) {
-  const currentScope = this.scopeStack[this.scopeStack.length - 1]
-
-  return !has(currentScope.lexical, name) && !has(currentScope.var, name) && !has(currentScope.childVar, name)
-}
-
-pp.declareVarName = function(name) {
-  this.scopeStack[this.scopeStack.length - 1].var[name] = true
-}
-
-pp.declareLexicalName = function(name) {
-  this.scopeStack[this.scopeStack.length - 1].lexical[name] = true
-}

tools/eslint/node_modules/acorn/src/state.js

@@ -1,115 +0,0 @@
-import {reservedWords, keywords} from "./identifier"
-import {types as tt} from "./tokentype"
-import {lineBreak} from "./whitespace"
-import {getOptions} from "./options"
-
-// Registered plugins
-export const plugins = {}
-
-function keywordRegexp(words) {
-  return new RegExp("^(" + words.replace(/ /g, "|") + ")$")
-}
-
-export class Parser {
-  constructor(options, input, startPos) {
-    this.options = options = getOptions(options)
-    this.sourceFile = options.sourceFile
-    this.keywords = keywordRegexp(keywords[options.ecmaVersion >= 6 ? 6 : 5])
-    let reserved = ""
-    if (!options.allowReserved) {
-      for (let v = options.ecmaVersion;; v--)
-        if (reserved = reservedWords[v]) break
-      if (options.sourceType == "module") reserved += " await"
-    }
-    this.reservedWords = keywordRegexp(reserved)
-    let reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict
-    this.reservedWordsStrict = keywordRegexp(reservedStrict)
-    this.reservedWordsStrictBind = keywordRegexp(reservedStrict + " " + reservedWords.strictBind)
-    this.input = String(input)
-
-    // Used to signal to callers of `readWord1` whether the word
-    // contained any escape sequences. This is needed because words with
-    // escape sequences must not be interpreted as keywords.
-    this.containsEsc = false
-
-    // Load plugins
-    this.loadPlugins(options.plugins)
-
-    // Set up token state
-
-    // The current position of the tokenizer in the input.
-    if (startPos) {
-      this.pos = startPos
-      this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1
-      this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length
-    } else {
-      this.pos = this.lineStart = 0
-      this.curLine = 1
-    }
-
-    // Properties of the current token:
-    // Its type
-    this.type = tt.eof
-    // For tokens that include more information than their type, the value
-    this.value = null
-    // Its start and end offset
-    this.start = this.end = this.pos
-    // And, if locations are used, the {line, column} object
-    // corresponding to those offsets
-    this.startLoc = this.endLoc = this.curPosition()
-
-    // Position information for the previous token
-    this.lastTokEndLoc = this.lastTokStartLoc = null
-    this.lastTokStart = this.lastTokEnd = this.pos
-
-    // The context stack is used to superficially track syntactic
-    // context to predict whether a regular expression is allowed in a
-    // given position.
-    this.context = this.initialContext()
-    this.exprAllowed = true
-
-    // Figure out if it's a module code.
-    this.inModule = options.sourceType === "module"
-    this.strict = this.inModule || this.strictDirective(this.pos)
-
-    // Used to signify the start of a potential arrow function
-    this.potentialArrowAt = -1
-
-    // Flags to track whether we are in a function, a generator, an async function.
-    this.inFunction = this.inGenerator = this.inAsync = false
-    // Positions to delayed-check that yield/await does not exist in default parameters.
-    this.yieldPos = this.awaitPos = 0
-    // Labels in scope.
-    this.labels = []
-
-    // If enabled, skip leading hashbang line.
-    if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!")
-      this.skipLineComment(2)
-
-    // Scope tracking for duplicate variable names (see scope.js)
-    this.scopeStack = []
-    this.enterFunctionScope()
-  }
-
-  // DEPRECATED Kept for backwards compatibility until 3.0 in case a plugin uses them
-  isKeyword(word) { return this.keywords.test(word) }
-  isReservedWord(word) { return this.reservedWords.test(word) }
-
-  extend(name, f) {
-    this[name] = f(this[name])
-  }
-
-  loadPlugins(pluginConfigs) {
-    for (let name in pluginConfigs) {
-      let plugin = plugins[name]
-      if (!plugin) throw new Error("Plugin '" + name + "' not found")
-      plugin(this, pluginConfigs[name])
-    }
-  }
-
-  parse() {
-    let node = this.options.program || this.startNode()
-    this.nextToken()
-    return this.parseTopLevel(node)
-  }
-}

tools/eslint/node_modules/acorn/src/statement.js

@@ -1,765 +0,0 @@
-import {types as tt} from "./tokentype"
-import {Parser} from "./state"
-import {lineBreak, skipWhiteSpace} from "./whitespace"
-import {isIdentifierStart, isIdentifierChar} from "./identifier"
-import {has} from "./util"
-import {DestructuringErrors} from "./parseutil"
-
-const pp = Parser.prototype
-
-// ### Statement parsing
-
-// Parse a program. Initializes the parser, reads any number of
-// statements, and wraps them in a Program node.  Optionally takes a
-// `program` argument.  If present, the statements will be appended
-// to its body instead of creating a new node.
-
-pp.parseTopLevel = function(node) {
-  let exports = {}
-  if (!node.body) node.body = []
-  while (this.type !== tt.eof) {
-    let stmt = this.parseStatement(true, true, exports)
-    node.body.push(stmt)
-  }
-  this.next()
-  if (this.options.ecmaVersion >= 6) {
-    node.sourceType = this.options.sourceType
-  }
-  return this.finishNode(node, "Program")
-}
-
-const loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}
-
-pp.isLet = function() {
-  if (this.type !== tt.name || this.options.ecmaVersion < 6 || this.value != "let") return false
-  skipWhiteSpace.lastIndex = this.pos
-  let skip = skipWhiteSpace.exec(this.input)
-  let next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next)
-  if (nextCh === 91 || nextCh == 123) return true // '{' and '['
-  if (isIdentifierStart(nextCh, true)) {
-    let pos = next + 1
-    while (isIdentifierChar(this.input.charCodeAt(pos), true)) ++pos
-    let ident = this.input.slice(next, pos)
-    if (!this.isKeyword(ident)) return true
-  }
-  return false
-}
-
-// check 'async [no LineTerminator here] function'
-// - 'async /*foo*/ function' is OK.
-// - 'async /*\n*/ function' is invalid.
-pp.isAsyncFunction = function() {
-  if (this.type !== tt.name || this.options.ecmaVersion < 8 || this.value != "async")
-    return false
-
-  skipWhiteSpace.lastIndex = this.pos
-  let skip = skipWhiteSpace.exec(this.input)
-  let next = this.pos + skip[0].length
-  return !lineBreak.test(this.input.slice(this.pos, next)) &&
-    this.input.slice(next, next + 8) === "function" &&
-    (next + 8 == this.input.length || !isIdentifierChar(this.input.charAt(next + 8)))
-}
-
-// Parse a single statement.
-//
-// If expecting a statement and finding a slash operator, parse a
-// regular expression literal. This is to handle cases like
-// `if (foo) /blah/.exec(foo)`, where looking at the previous token
-// does not help.
-
-pp.parseStatement = function(declaration, topLevel, exports) {
-  let starttype = this.type, node = this.startNode(), kind
-
-  if (this.isLet()) {
-    starttype = tt._var
-    kind = "let"
-  }
-
-  // Most types of statements are recognized by the keyword they
-  // start with. Many are trivial to parse, some require a bit of
-  // complexity.
-
-  switch (starttype) {
-  case tt._break: case tt._continue: return this.parseBreakContinueStatement(node, starttype.keyword)
-  case tt._debugger: return this.parseDebuggerStatement(node)
-  case tt._do: return this.parseDoStatement(node)
-  case tt._for: return this.parseForStatement(node)
-  case tt._function:
-    if (!declaration && this.options.ecmaVersion >= 6) this.unexpected()
-    return this.parseFunctionStatement(node, false)
-  case tt._class:
-    if (!declaration) this.unexpected()
-    return this.parseClass(node, true)
-  case tt._if: return this.parseIfStatement(node)
-  case tt._return: return this.parseReturnStatement(node)
-  case tt._switch: return this.parseSwitchStatement(node)
-  case tt._throw: return this.parseThrowStatement(node)
-  case tt._try: return this.parseTryStatement(node)
-  case tt._const: case tt._var:
-    kind = kind || this.value
-    if (!declaration && kind != "var") this.unexpected()
-    return this.parseVarStatement(node, kind)
-  case tt._while: return this.parseWhileStatement(node)
-  case tt._with: return this.parseWithStatement(node)
-  case tt.braceL: return this.parseBlock()
-  case tt.semi: return this.parseEmptyStatement(node)
-  case tt._export:
-  case tt._import:
-    if (!this.options.allowImportExportEverywhere) {
-      if (!topLevel)
-        this.raise(this.start, "'import' and 'export' may only appear at the top level")
-      if (!this.inModule)
-        this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'")
-    }
-    return starttype === tt._import ? this.parseImport(node) : this.parseExport(node, exports)
-
-    // If the statement does not start with a statement keyword or a
-    // brace, it's an ExpressionStatement or LabeledStatement. We
-    // simply start parsing an expression, and afterwards, if the
-    // next token is a colon and the expression was a simple
-    // Identifier node, we switch to interpreting it as a label.
-  default:
-    if (this.isAsyncFunction() && declaration) {
-      this.next()
-      return this.parseFunctionStatement(node, true)
-    }
-
-    let maybeName = this.value, expr = this.parseExpression()
-    if (starttype === tt.name && expr.type === "Identifier" && this.eat(tt.colon))
-      return this.parseLabeledStatement(node, maybeName, expr)
-    else return this.parseExpressionStatement(node, expr)
-  }
-}
-
-pp.parseBreakContinueStatement = function(node, keyword) {
-  let isBreak = keyword == "break"
-  this.next()
-  if (this.eat(tt.semi) || this.insertSemicolon()) node.label = null
-  else if (this.type !== tt.name) this.unexpected()
-  else {
-    node.label = this.parseIdent()
-    this.semicolon()
-  }
-
-  // Verify that there is an actual destination to break or
-  // continue to.
-  let i = 0
-  for (; i < this.labels.length; ++i) {
-    let lab = this.labels[i]
-    if (node.label == null || lab.name === node.label.name) {
-      if (lab.kind != null && (isBreak || lab.kind === "loop")) break
-      if (node.label && isBreak) break
-    }
-  }
-  if (i === this.labels.length) this.raise(node.start, "Unsyntactic " + keyword)
-  return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
-}
-
-pp.parseDebuggerStatement = function(node) {
-  this.next()
-  this.semicolon()
-  return this.finishNode(node, "DebuggerStatement")
-}
-
-pp.parseDoStatement = function(node) {
-  this.next()
-  this.labels.push(loopLabel)
-  node.body = this.parseStatement(false)
-  this.labels.pop()
-  this.expect(tt._while)
-  node.test = this.parseParenExpression()
-  if (this.options.ecmaVersion >= 6)
-    this.eat(tt.semi)
-  else
-    this.semicolon()
-  return this.finishNode(node, "DoWhileStatement")
-}
-
-// Disambiguating between a `for` and a `for`/`in` or `for`/`of`
-// loop is non-trivial. Basically, we have to parse the init `var`
-// statement or expression, disallowing the `in` operator (see
-// the second parameter to `parseExpression`), and then check
-// whether the next token is `in` or `of`. When there is no init
-// part (semicolon immediately after the opening parenthesis), it
-// is a regular `for` loop.
-
-pp.parseForStatement = function(node) {
-  this.next()
-  this.labels.push(loopLabel)
-  this.enterLexicalScope()
-  this.expect(tt.parenL)
-  if (this.type === tt.semi) return this.parseFor(node, null)
-  let isLet = this.isLet()
-  if (this.type === tt._var || this.type === tt._const || isLet) {
-    let init = this.startNode(), kind = isLet ? "let" : this.value
-    this.next()
-    this.parseVar(init, true, kind)
-    this.finishNode(init, "VariableDeclaration")
-    if ((this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init.declarations.length === 1 &&
-        !(kind !== "var" && init.declarations[0].init))
-      return this.parseForIn(node, init)
-    return this.parseFor(node, init)
-  }
-  let refDestructuringErrors = new DestructuringErrors
-  let init = this.parseExpression(true, refDestructuringErrors)
-  if (this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) {
-    this.toAssignable(init)
-    this.checkLVal(init)
-    this.checkPatternErrors(refDestructuringErrors, true)
-    return this.parseForIn(node, init)
-  } else {
-    this.checkExpressionErrors(refDestructuringErrors, true)
-  }
-  return this.parseFor(node, init)
-}
-
-pp.parseFunctionStatement = function(node, isAsync) {
-  this.next()
-  return this.parseFunction(node, true, false, isAsync)
-}
-
-pp.isFunction = function() {
-  return this.type === tt._function || this.isAsyncFunction()
-}
-
-pp.parseIfStatement = function(node) {
-  this.next()
-  node.test = this.parseParenExpression()
-  // allow function declarations in branches, but only in non-strict mode
-  node.consequent = this.parseStatement(!this.strict && this.isFunction())
-  node.alternate = this.eat(tt._else) ? this.parseStatement(!this.strict && this.isFunction()) : null
-  return this.finishNode(node, "IfStatement")
-}
-
-pp.parseReturnStatement = function(node) {
-  if (!this.inFunction && !this.options.allowReturnOutsideFunction)
-    this.raise(this.start, "'return' outside of function")
-  this.next()
-
-  // In `return` (and `break`/`continue`), the keywords with
-  // optional arguments, we eagerly look for a semicolon or the
-  // possibility to insert one.
-
-  if (this.eat(tt.semi) || this.insertSemicolon()) node.argument = null
-  else { node.argument = this.parseExpression(); this.semicolon() }
-  return this.finishNode(node, "ReturnStatement")
-}
-
-pp.parseSwitchStatement = function(node) {
-  this.next()
-  node.discriminant = this.parseParenExpression()
-  node.cases = []
-  this.expect(tt.braceL)
-  this.labels.push(switchLabel)
-  this.enterLexicalScope()
-
-  // Statements under must be grouped (by label) in SwitchCase
-  // nodes. `cur` is used to keep the node that we are currently
-  // adding statements to.
-
-  let cur
-  for (let sawDefault = false; this.type != tt.braceR;) {
-    if (this.type === tt._case || this.type === tt._default) {
-      let isCase = this.type === tt._case
-      if (cur) this.finishNode(cur, "SwitchCase")
-      node.cases.push(cur = this.startNode())
-      cur.consequent = []
-      this.next()
-      if (isCase) {
-        cur.test = this.parseExpression()
-      } else {
-        if (sawDefault) this.raiseRecoverable(this.lastTokStart, "Multiple default clauses")
-        sawDefault = true
-        cur.test = null
-      }
-      this.expect(tt.colon)
-    } else {
-      if (!cur) this.unexpected()
-      cur.consequent.push(this.parseStatement(true))
-    }
-  }
-  this.exitLexicalScope()
-  if (cur) this.finishNode(cur, "SwitchCase")
-  this.next() // Closing brace
-  this.labels.pop()
-  return this.finishNode(node, "SwitchStatement")
-}
-
-pp.parseThrowStatement = function(node) {
-  this.next()
-  if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start)))
-    this.raise(this.lastTokEnd, "Illegal newline after throw")
-  node.argument = this.parseExpression()
-  this.semicolon()
-  return this.finishNode(node, "ThrowStatement")
-}
-
-// Reused empty array added for node fields that are always empty.
-
-const empty = []
-
-pp.parseTryStatement = function(node) {
-  this.next()
-  node.block = this.parseBlock()
-  node.handler = null
-  if (this.type === tt._catch) {
-    let clause = this.startNode()
-    this.next()
-    this.expect(tt.parenL)
-    clause.param = this.parseBindingAtom()
-    this.enterLexicalScope()
-    this.checkLVal(clause.param, "let")
-    this.expect(tt.parenR)
-    clause.body = this.parseBlock(false)
-    this.exitLexicalScope()
-    node.handler = this.finishNode(clause, "CatchClause")
-  }
-  node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null
-  if (!node.handler && !node.finalizer)
-    this.raise(node.start, "Missing catch or finally clause")
-  return this.finishNode(node, "TryStatement")
-}
-
-pp.parseVarStatement = function(node, kind) {
-  this.next()
-  this.parseVar(node, false, kind)
-  this.semicolon()
-  return this.finishNode(node, "VariableDeclaration")
-}
-
-pp.parseWhileStatement = function(node) {
-  this.next()
-  node.test = this.parseParenExpression()
-  this.labels.push(loopLabel)
-  node.body = this.parseStatement(false)
-  this.labels.pop()
-  return this.finishNode(node, "WhileStatement")
-}
-
-pp.parseWithStatement = function(node) {
-  if (this.strict) this.raise(this.start, "'with' in strict mode")
-  this.next()
-  node.object = this.parseParenExpression()
-  node.body = this.parseStatement(false)
-  return this.finishNode(node, "WithStatement")
-}
-
-pp.parseEmptyStatement = function(node) {
-  this.next()
-  return this.finishNode(node, "EmptyStatement")
-}
-
-pp.parseLabeledStatement = function(node, maybeName, expr) {
-  for (let i = 0; i < this.labels.length; ++i)
-    if (this.labels[i].name === maybeName) this.raise(expr.start, "Label '" + maybeName + "' is already declared")
-  let kind = this.type.isLoop ? "loop" : this.type === tt._switch ? "switch" : null
-  for (let i = this.labels.length - 1; i >= 0; i--) {
-    let label = this.labels[i]
-    if (label.statementStart == node.start) {
-      label.statementStart = this.start
-      label.kind = kind
-    } else break
-  }
-  this.labels.push({name: maybeName, kind: kind, statementStart: this.start})
-  node.body = this.parseStatement(true)
-  if (node.body.type == "ClassDeclaration" ||
-      node.body.type == "VariableDeclaration" && node.body.kind != "var" ||
-      node.body.type == "FunctionDeclaration" && (this.strict || node.body.generator))
-    this.raiseRecoverable(node.body.start, "Invalid labeled declaration")
-  this.labels.pop()
-  node.label = expr
-  return this.finishNode(node, "LabeledStatement")
-}
-
-pp.parseExpressionStatement = function(node, expr) {
-  node.expression = expr
-  this.semicolon()
-  return this.finishNode(node, "ExpressionStatement")
-}
-
-// Parse a semicolon-enclosed block of statements, handling `"use
-// strict"` declarations when `allowStrict` is true (used for
-// function bodies).
-
-pp.parseBlock = function(createNewLexicalScope = true) {
-  let node = this.startNode()
-  node.body = []
-  this.expect(tt.braceL)
-  if (createNewLexicalScope) {
-    this.enterLexicalScope()
-  }
-  while (!this.eat(tt.braceR)) {
-    let stmt = this.parseStatement(true)
-    node.body.push(stmt)
-  }
-  if (createNewLexicalScope) {
-    this.exitLexicalScope()
-  }
-  return this.finishNode(node, "BlockStatement")
-}
-
-// Parse a regular `for` loop. The disambiguation code in
-// `parseStatement` will already have parsed the init statement or
-// expression.
-
-pp.parseFor = function(node, init) {
-  node.init = init
-  this.expect(tt.semi)
-  node.test = this.type === tt.semi ? null : this.parseExpression()
-  this.expect(tt.semi)
-  node.update = this.type === tt.parenR ? null : this.parseExpression()
-  this.expect(tt.parenR)
-  this.exitLexicalScope()
-  node.body = this.parseStatement(false)
-  this.labels.pop()
-  return this.finishNode(node, "ForStatement")
-}
-
-// Parse a `for`/`in` and `for`/`of` loop, which are almost
-// same from parser's perspective.
-
-pp.parseForIn = function(node, init) {
-  let type = this.type === tt._in ? "ForInStatement" : "ForOfStatement"
-  this.next()
-  node.left = init
-  node.right = this.parseExpression()
-  this.expect(tt.parenR)
-  this.exitLexicalScope()
-  node.body = this.parseStatement(false)
-  this.labels.pop()
-  return this.finishNode(node, type)
-}
-
-// Parse a list of variable declarations.
-
-pp.parseVar = function(node, isFor, kind) {
-  node.declarations = []
-  node.kind = kind
-  for (;;) {
-    let decl = this.startNode()
-    this.parseVarId(decl, kind)
-    if (this.eat(tt.eq)) {
-      decl.init = this.parseMaybeAssign(isFor)
-    } else if (kind === "const" && !(this.type === tt._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) {
-      this.unexpected()
-    } else if (decl.id.type != "Identifier" && !(isFor && (this.type === tt._in || this.isContextual("of")))) {
-      this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value")
-    } else {
-      decl.init = null
-    }
-    node.declarations.push(this.finishNode(decl, "VariableDeclarator"))
-    if (!this.eat(tt.comma)) break
-  }
-  return node
-}
-
-pp.parseVarId = function(decl, kind) {
-  decl.id = this.parseBindingAtom(kind)
-  this.checkLVal(decl.id, kind, false)
-}
-
-// Parse a function declaration or literal (depending on the
-// `isStatement` parameter).
-
-pp.parseFunction = function(node, isStatement, allowExpressionBody, isAsync) {
-  this.initFunction(node)
-  if (this.options.ecmaVersion >= 6 && !isAsync)
-    node.generator = this.eat(tt.star)
-  if (this.options.ecmaVersion >= 8)
-    node.async = !!isAsync
-
-  if (isStatement) {
-    node.id = isStatement === "nullableID" && this.type != tt.name ? null : this.parseIdent()
-    if (node.id) {
-      this.checkLVal(node.id, "var")
-    }
-  }
-
-  let oldInGen = this.inGenerator, oldInAsync = this.inAsync,
-      oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldInFunc = this.inFunction
-  this.inGenerator = node.generator
-  this.inAsync = node.async
-  this.yieldPos = 0
-  this.awaitPos = 0
-  this.inFunction = true
-  this.enterFunctionScope()
-
-  if (!isStatement)
-    node.id = this.type == tt.name ? this.parseIdent() : null
-
-  this.parseFunctionParams(node)
-  this.parseFunctionBody(node, allowExpressionBody)
-
-  this.inGenerator = oldInGen
-  this.inAsync = oldInAsync
-  this.yieldPos = oldYieldPos
-  this.awaitPos = oldAwaitPos
-  this.inFunction = oldInFunc
-  return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
-}
-
-pp.parseFunctionParams = function(node) {
-  this.expect(tt.parenL)
-  node.params = this.parseBindingList(tt.parenR, false, this.options.ecmaVersion >= 8, true)
-  this.checkYieldAwaitInDefaultParams()
-}
-
-// Parse a class declaration or literal (depending on the
-// `isStatement` parameter).
-
-pp.parseClass = function(node, isStatement) {
-  this.next()
-
-  this.parseClassId(node, isStatement)
-  this.parseClassSuper(node)
-  let classBody = this.startNode()
-  let hadConstructor = false
-  classBody.body = []
-  this.expect(tt.braceL)
-  while (!this.eat(tt.braceR)) {
-    if (this.eat(tt.semi)) continue
-    let method = this.startNode()
-    let isGenerator = this.eat(tt.star)
-    let isAsync = false
-    let isMaybeStatic = this.type === tt.name && this.value === "static"
-    this.parsePropertyName(method)
-    method.static = isMaybeStatic && this.type !== tt.parenL
-    if (method.static) {
-      if (isGenerator) this.unexpected()
-      isGenerator = this.eat(tt.star)
-      this.parsePropertyName(method)
-    }
-    if (this.options.ecmaVersion >= 8 && !isGenerator && !method.computed &&
-        method.key.type === "Identifier" && method.key.name === "async" && this.type !== tt.parenL &&
-        !this.canInsertSemicolon()) {
-      isAsync = true
-      this.parsePropertyName(method)
-    }
-    method.kind = "method"
-    let isGetSet = false
-    if (!method.computed) {
-      let {key} = method
-      if (!isGenerator && !isAsync && key.type === "Identifier" && this.type !== tt.parenL && (key.name === "get" || key.name === "set")) {
-        isGetSet = true
-        method.kind = key.name
-        key = this.parsePropertyName(method)
-      }
-      if (!method.static && (key.type === "Identifier" && key.name === "constructor" ||
-          key.type === "Literal" && key.value === "constructor")) {
-        if (hadConstructor) this.raise(key.start, "Duplicate constructor in the same class")
-        if (isGetSet) this.raise(key.start, "Constructor can't have get/set modifier")
-        if (isGenerator) this.raise(key.start, "Constructor can't be a generator")
-        if (isAsync) this.raise(key.start, "Constructor can't be an async method")
-        method.kind = "constructor"
-        hadConstructor = true
-      }
-    }
-    this.parseClassMethod(classBody, method, isGenerator, isAsync)
-    if (isGetSet) {
-      let paramCount = method.kind === "get" ? 0 : 1
-      if (method.value.params.length !== paramCount) {
-        let start = method.value.start
-        if (method.kind === "get")
-          this.raiseRecoverable(start, "getter should have no params")
-        else
-          this.raiseRecoverable(start, "setter should have exactly one param")
-      } else {
-        if (method.kind === "set" && method.value.params[0].type === "RestElement")
-          this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params")
-      }
-    }
-  }
-  node.body = this.finishNode(classBody, "ClassBody")
-  return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
-}
-
-pp.parseClassMethod = function(classBody, method, isGenerator, isAsync) {
-  method.value = this.parseMethod(isGenerator, isAsync)
-  classBody.body.push(this.finishNode(method, "MethodDefinition"))
-}
-
-pp.parseClassId = function(node, isStatement) {
-  node.id = this.type === tt.name ? this.parseIdent() : isStatement === true ? this.unexpected() : null
-}
-
-pp.parseClassSuper = function(node) {
-  node.superClass = this.eat(tt._extends) ? this.parseExprSubscripts() : null
-}
-
-// Parses module export declaration.
-
-pp.parseExport = function(node, exports) {
-  this.next()
-  // export * from '...'
-  if (this.eat(tt.star)) {
-    this.expectContextual("from")
-    node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
-    this.semicolon()
-    return this.finishNode(node, "ExportAllDeclaration")
-  }
-  if (this.eat(tt._default)) { // export default ...
-    this.checkExport(exports, "default", this.lastTokStart)
-    let isAsync
-    if (this.type === tt._function || (isAsync = this.isAsyncFunction())) {
-      let fNode = this.startNode()
-      this.next()
-      if (isAsync) this.next()
-      node.declaration = this.parseFunction(fNode, "nullableID", false, isAsync)
-    } else if (this.type === tt._class) {
-      let cNode = this.startNode()
-      node.declaration = this.parseClass(cNode, "nullableID")
-    } else {
-      node.declaration = this.parseMaybeAssign()
-      this.semicolon()
-    }
-    return this.finishNode(node, "ExportDefaultDeclaration")
-  }
-  // export var|const|let|function|class ...
-  if (this.shouldParseExportStatement()) {
-    node.declaration = this.parseStatement(true)
-    if (node.declaration.type === "VariableDeclaration")
-      this.checkVariableExport(exports, node.declaration.declarations)
-    else
-      this.checkExport(exports, node.declaration.id.name, node.declaration.id.start)
-    node.specifiers = []
-    node.source = null
-  } else { // export { x, y as z } [from '...']
-    node.declaration = null
-    node.specifiers = this.parseExportSpecifiers(exports)
-    if (this.eatContextual("from")) {
-      node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
-    } else {
-      // check for keywords used as local names
-      for (let i = 0; i < node.specifiers.length; i++) {
-        if (this.keywords.test(node.specifiers[i].local.name) || this.reservedWords.test(node.specifiers[i].local.name)) {
-          this.unexpected(node.specifiers[i].local.start)
-        }
-      }
-
-      node.source = null
-    }
-    this.semicolon()
-  }
-  return this.finishNode(node, "ExportNamedDeclaration")
-}
-
-pp.checkExport = function(exports, name, pos) {
-  if (!exports) return
-  if (has(exports, name))
-    this.raiseRecoverable(pos, "Duplicate export '" + name + "'")
-  exports[name] = true
-}
-
-pp.checkPatternExport = function(exports, pat) {
-  let type = pat.type
-  if (type == "Identifier")
-    this.checkExport(exports, pat.name, pat.start)
-  else if (type == "ObjectPattern")
-    for (let i = 0; i < pat.properties.length; ++i)
-      this.checkPatternExport(exports, pat.properties[i].value)
-  else if (type == "ArrayPattern")
-    for (let i = 0; i < pat.elements.length; ++i) {
-      let elt = pat.elements[i]
-      if (elt) this.checkPatternExport(exports, elt)
-    }
-  else if (type == "AssignmentPattern")
-    this.checkPatternExport(exports, pat.left)
-  else if (type == "ParenthesizedExpression")
-    this.checkPatternExport(exports, pat.expression)
-}
-
-pp.checkVariableExport = function(exports, decls) {
-  if (!exports) return
-  for (let i = 0; i < decls.length; i++)
-    this.checkPatternExport(exports, decls[i].id)
-}
-
-pp.shouldParseExportStatement = function() {
-  return this.type.keyword === "var" ||
-    this.type.keyword === "const" ||
-    this.type.keyword === "class" ||
-    this.type.keyword === "function" ||
-    this.isLet() ||
-    this.isAsyncFunction()
-}
-
-// Parses a comma-separated list of module exports.
-
-pp.parseExportSpecifiers = function(exports) {
-  let nodes = [], first = true
-  // export { x, y as z } [from '...']
-  this.expect(tt.braceL)
-  while (!this.eat(tt.braceR)) {
-    if (!first) {
-      this.expect(tt.comma)
-      if (this.afterTrailingComma(tt.braceR)) break
-    } else first = false
-
-    let node = this.startNode()
-    node.local = this.parseIdent(true)
-    node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local
-    this.checkExport(exports, node.exported.name, node.exported.start)
-    nodes.push(this.finishNode(node, "ExportSpecifier"))
-  }
-  return nodes
-}
-
-// Parses import declaration.
-
-pp.parseImport = function(node) {
-  this.next()
-  // import '...'
-  if (this.type === tt.string) {
-    node.specifiers = empty
-    node.source = this.parseExprAtom()
-  } else {
-    node.specifiers = this.parseImportSpecifiers()
-    this.expectContextual("from")
-    node.source = this.type === tt.string ? this.parseExprAtom() : this.unexpected()
-  }
-  this.semicolon()
-  return this.finishNode(node, "ImportDeclaration")
-}
-
-// Parses a comma-separated list of module imports.
-
-pp.parseImportSpecifiers = function() {
-  let nodes = [], first = true
-  if (this.type === tt.name) {
-    // import defaultObj, { x, y as z } from '...'
-    let node = this.startNode()
-    node.local = this.parseIdent()
-    this.checkLVal(node.local, "let")
-    nodes.push(this.finishNode(node, "ImportDefaultSpecifier"))
-    if (!this.eat(tt.comma)) return nodes
-  }
-  if (this.type === tt.star) {
-    let node = this.startNode()
-    this.next()
-    this.expectContextual("as")
-    node.local = this.parseIdent()
-    this.checkLVal(node.local, "let")
-    nodes.push(this.finishNode(node, "ImportNamespaceSpecifier"))
-    return nodes
-  }
-  this.expect(tt.braceL)
-  while (!this.eat(tt.braceR)) {
-    if (!first) {
-      this.expect(tt.comma)
-      if (this.afterTrailingComma(tt.braceR)) break
-    } else first = false
-
-    let node = this.startNode()
-    node.imported = this.parseIdent(true)
-    if (this.eatContextual("as")) {
-      node.local = this.parseIdent()
-    } else {
-      node.local = node.imported
-      if (this.isKeyword(node.local.name)) this.unexpected(node.local.start)
-      if (this.reservedWordsStrict.test(node.local.name)) this.raiseRecoverable(node.local.start, "The keyword '" + node.local.name + "' is reserved")
-    }
-    this.checkLVal(node.local, "let")
-    nodes.push(this.finishNode(node, "ImportSpecifier"))
-  }
-  return nodes
-}

tools/eslint/node_modules/acorn/src/tokencontext.js

@@ -1,139 +0,0 @@
-// The algorithm used to determine whether a regexp can appear at a
-// given point in the program is loosely based on sweet.js' approach.
-// See https://github.com/mozilla/sweet.js/wiki/design
-
-import {Parser} from "./state"
-import {types as tt} from "./tokentype"
-import {lineBreak} from "./whitespace"
-
-export class TokContext {
-  constructor(token, isExpr, preserveSpace, override, generator) {
-    this.token = token
-    this.isExpr = !!isExpr
-    this.preserveSpace = !!preserveSpace
-    this.override = override
-    this.generator = !!generator
-  }
-}
-
-export const types = {
-  b_stat: new TokContext("{", false),
-  b_expr: new TokContext("{", true),
-  b_tmpl: new TokContext("${", true),
-  p_stat: new TokContext("(", false),
-  p_expr: new TokContext("(", true),
-  q_tmpl: new TokContext("`", true, true, p => p.readTmplToken()),
-  f_expr: new TokContext("function", true),
-  f_expr_gen: new TokContext("function", true, false, null, true),
-  f_gen: new TokContext("function", false, false, null, true)
-}
-
-const pp = Parser.prototype
-
-pp.initialContext = function() {
-  return [types.b_stat]
-}
-
-pp.braceIsBlock = function(prevType) {
-  if (prevType === tt.colon) {
-    let parent = this.curContext()
-    if (parent === types.b_stat || parent === types.b_expr)
-      return !parent.isExpr
-  }
-  if (prevType === tt._return)
-    return lineBreak.test(this.input.slice(this.lastTokEnd, this.start))
-  if (prevType === tt._else || prevType === tt.semi || prevType === tt.eof || prevType === tt.parenR || prevType == tt.arrow)
-    return true
-  if (prevType == tt.braceL)
-    return this.curContext() === types.b_stat
-  return !this.exprAllowed
-}
-
-pp.inGeneratorContext = function() {
-  for (let i = this.context.length - 1; i >= 0; i--)
-    if (this.context[i].generator) return true
-  return false
-}
-
-pp.updateContext = function(prevType) {
-  let update, type = this.type
-  if (type.keyword && prevType == tt.dot)
-    this.exprAllowed = false
-  else if (update = type.updateContext)
-    update.call(this, prevType)
-  else
-    this.exprAllowed = type.beforeExpr
-}
-
-// Token-specific context update code
-
-tt.parenR.updateContext = tt.braceR.updateContext = function() {
-  if (this.context.length == 1) {
-    this.exprAllowed = true
-    return
-  }
-  let out = this.context.pop(), cur
-  if (out === types.b_stat && (cur = this.curContext()) && cur.token === "function") {
-    this.context.pop()
-    this.exprAllowed = false
-  } else if (out === types.b_tmpl) {
-    this.exprAllowed = true
-  } else {
-    this.exprAllowed = !out.isExpr
-  }
-}
-
-tt.braceL.updateContext = function(prevType) {
-  this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr)
-  this.exprAllowed = true
-}
-
-tt.dollarBraceL.updateContext = function() {
-  this.context.push(types.b_tmpl)
-  this.exprAllowed = true
-}
-
-tt.parenL.updateContext = function(prevType) {
-  let statementParens = prevType === tt._if || prevType === tt._for || prevType === tt._with || prevType === tt._while
-  this.context.push(statementParens ? types.p_stat : types.p_expr)
-  this.exprAllowed = true
-}
-
-tt.incDec.updateContext = function() {
-  // tokExprAllowed stays unchanged
-}
-
-tt._function.updateContext = function(prevType) {
-  if (prevType.beforeExpr && prevType !== tt.semi && prevType !== tt._else &&
-      !((prevType === tt.colon || prevType === tt.braceL) && this.curContext() === types.b_stat))
-    this.context.push(types.f_expr)
-  this.exprAllowed = false
-}
-
-tt.backQuote.updateContext = function() {
-  if (this.curContext() === types.q_tmpl)
-    this.context.pop()
-  else
-    this.context.push(types.q_tmpl)
-  this.exprAllowed = false
-}
-
-tt.star.updateContext = function(prevType) {
-  if (prevType == tt._function) {
-    if (this.curContext() === types.f_expr)
-      this.context[this.context.length - 1] = types.f_expr_gen
-    else
-      this.context.push(types.f_gen)
-  }
-  this.exprAllowed = true
-}
-
-tt.name.updateContext = function(prevType) {
-  let allowed = false
-  if (this.options.ecmaVersion >= 6) {
-    if (this.value == "of" && !this.exprAllowed ||
-        this.value == "yield" && this.inGeneratorContext())
-      allowed = true
-  }
-  this.exprAllowed = allowed
-}

tools/eslint/node_modules/acorn/src/tokenize.js

@@ -1,687 +0,0 @@
-import {isIdentifierStart, isIdentifierChar} from "./identifier"
-import {types as tt, keywords as keywordTypes} from "./tokentype"
-import {Parser} from "./state"
-import {SourceLocation} from "./locutil"
-import {lineBreak, lineBreakG, isNewLine, nonASCIIwhitespace} from "./whitespace"
-
-// Object type used to represent tokens. Note that normally, tokens
-// simply exist as properties on the parser object. This is only
-// used for the onToken callback and the external tokenizer.
-
-export class Token {
-  constructor(p) {
-    this.type = p.type
-    this.value = p.value
-    this.start = p.start
-    this.end = p.end
-    if (p.options.locations)
-      this.loc = new SourceLocation(p, p.startLoc, p.endLoc)
-    if (p.options.ranges)
-      this.range = [p.start, p.end]
-  }
-}
-
-// ## Tokenizer
-
-const pp = Parser.prototype
-
-// Are we running under Rhino?
-const isRhino = typeof Packages == "object" && Object.prototype.toString.call(Packages) == "[object JavaPackage]"
-
-// Move to the next token
-
-pp.next = function() {
-  if (this.options.onToken)
-    this.options.onToken(new Token(this))
-
-  this.lastTokEnd = this.end
-  this.lastTokStart = this.start
-  this.lastTokEndLoc = this.endLoc
-  this.lastTokStartLoc = this.startLoc
-  this.nextToken()
-}
-
-pp.getToken = function() {
-  this.next()
-  return new Token(this)
-}
-
-// If we're in an ES6 environment, make parsers iterable
-if (typeof Symbol !== "undefined")
-  pp[Symbol.iterator] = function() {
-    return {
-      next: () => {
-        let token = this.getToken()
-        return {
-          done: token.type === tt.eof,
-          value: token
-        }
-      }
-    }
-  }
-
-// Toggle strict mode. Re-reads the next number or string to please
-// pedantic tests (`"use strict"; 010;` should fail).
-
-pp.curContext = function() {
-  return this.context[this.context.length - 1]
-}
-
-// Read a single token, updating the parser object's token-related
-// properties.
-
-pp.nextToken = function() {
-  let curContext = this.curContext()
-  if (!curContext || !curContext.preserveSpace) this.skipSpace()
-
-  this.start = this.pos
-  if (this.options.locations) this.startLoc = this.curPosition()
-  if (this.pos >= this.input.length) return this.finishToken(tt.eof)
-
-  if (curContext.override) return curContext.override(this)
-  else this.readToken(this.fullCharCodeAtPos())
-}
-
-pp.readToken = function(code) {
-  // Identifier or keyword. '\uXXXX' sequences are allowed in
-  // identifiers, so '\' also dispatches to that.
-  if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */)
-    return this.readWord()
-
-  return this.getTokenFromCode(code)
-}
-
-pp.fullCharCodeAtPos = function() {
-  let code = this.input.charCodeAt(this.pos)
-  if (code <= 0xd7ff || code >= 0xe000) return code
-  let next = this.input.charCodeAt(this.pos + 1)
-  return (code << 10) + next - 0x35fdc00
-}
-
-pp.skipBlockComment = function() {
-  let startLoc = this.options.onComment && this.curPosition()
-  let start = this.pos, end = this.input.indexOf("*/", this.pos += 2)
-  if (end === -1) this.raise(this.pos - 2, "Unterminated comment")
-  this.pos = end + 2
-  if (this.options.locations) {
-    lineBreakG.lastIndex = start
-    let match
-    while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) {
-      ++this.curLine
-      this.lineStart = match.index + match[0].length
-    }
-  }
-  if (this.options.onComment)
-    this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos,
-                           startLoc, this.curPosition())
-}
-
-pp.skipLineComment = function(startSkip) {
-  let start = this.pos
-  let startLoc = this.options.onComment && this.curPosition()
-  let ch = this.input.charCodeAt(this.pos += startSkip)
-  while (this.pos < this.input.length && ch !== 10 && ch !== 13 && ch !== 8232 && ch !== 8233) {
-    ++this.pos
-    ch = this.input.charCodeAt(this.pos)
-  }
-  if (this.options.onComment)
-    this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos,
-                           startLoc, this.curPosition())
-}
-
-// Called at the start of the parse and after every token. Skips
-// whitespace and comments, and.
-
-pp.skipSpace = function() {
-  loop: while (this.pos < this.input.length) {
-    let ch = this.input.charCodeAt(this.pos)
-    switch (ch) {
-    case 32: case 160: // ' '
-      ++this.pos
-      break
-    case 13:
-      if (this.input.charCodeAt(this.pos + 1) === 10) {
-        ++this.pos
-      }
-    case 10: case 8232: case 8233:
-      ++this.pos
-      if (this.options.locations) {
-        ++this.curLine
-        this.lineStart = this.pos
-      }
-      break
-    case 47: // '/'
-      switch (this.input.charCodeAt(this.pos + 1)) {
-      case 42: // '*'
-        this.skipBlockComment()
-        break
-      case 47:
-        this.skipLineComment(2)
-        break
-      default:
-        break loop
-      }
-      break
-    default:
-      if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) {
-        ++this.pos
-      } else {
-        break loop
-      }
-    }
-  }
-}
-
-// Called at the end of every token. Sets `end`, `val`, and
-// maintains `context` and `exprAllowed`, and skips the space after
-// the token, so that the next one's `start` will point at the
-// right position.
-
-pp.finishToken = function(type, val) {
-  this.end = this.pos
-  if (this.options.locations) this.endLoc = this.curPosition()
-  let prevType = this.type
-  this.type = type
-  this.value = val
-
-  this.updateContext(prevType)
-}
-
-// ### Token reading
-
-// This is the function that is called to fetch the next token. It
-// is somewhat obscure, because it works in character codes rather
-// than characters, and because operator parsing has been inlined
-// into it.
-//
-// All in the name of speed.
-//
-pp.readToken_dot = function() {
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (next >= 48 && next <= 57) return this.readNumber(true)
-  let next2 = this.input.charCodeAt(this.pos + 2)
-  if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.'
-    this.pos += 3
-    return this.finishToken(tt.ellipsis)
-  } else {
-    ++this.pos
-    return this.finishToken(tt.dot)
-  }
-}
-
-pp.readToken_slash = function() { // '/'
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (this.exprAllowed) { ++this.pos; return this.readRegexp() }
-  if (next === 61) return this.finishOp(tt.assign, 2)
-  return this.finishOp(tt.slash, 1)
-}
-
-pp.readToken_mult_modulo_exp = function(code) { // '%*'
-  let next = this.input.charCodeAt(this.pos + 1)
-  let size = 1
-  let tokentype = code === 42 ? tt.star : tt.modulo
-
-  // exponentiation operator ** and **=
-  if (this.options.ecmaVersion >= 7 && next === 42) {
-    ++size
-    tokentype = tt.starstar
-    next = this.input.charCodeAt(this.pos + 2)
-  }
-
-  if (next === 61) return this.finishOp(tt.assign, size + 1)
-  return this.finishOp(tokentype, size)
-}
-
-pp.readToken_pipe_amp = function(code) { // '|&'
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (next === code) return this.finishOp(code === 124 ? tt.logicalOR : tt.logicalAND, 2)
-  if (next === 61) return this.finishOp(tt.assign, 2)
-  return this.finishOp(code === 124 ? tt.bitwiseOR : tt.bitwiseAND, 1)
-}
-
-pp.readToken_caret = function() { // '^'
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (next === 61) return this.finishOp(tt.assign, 2)
-  return this.finishOp(tt.bitwiseXOR, 1)
-}
-
-pp.readToken_plus_min = function(code) { // '+-'
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (next === code) {
-    if (next == 45 && this.input.charCodeAt(this.pos + 2) == 62 &&
-        lineBreak.test(this.input.slice(this.lastTokEnd, this.pos))) {
-      // A `-->` line comment
-      this.skipLineComment(3)
-      this.skipSpace()
-      return this.nextToken()
-    }
-    return this.finishOp(tt.incDec, 2)
-  }
-  if (next === 61) return this.finishOp(tt.assign, 2)
-  return this.finishOp(tt.plusMin, 1)
-}
-
-pp.readToken_lt_gt = function(code) { // '<>'
-  let next = this.input.charCodeAt(this.pos + 1)
-  let size = 1
-  if (next === code) {
-    size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2
-    if (this.input.charCodeAt(this.pos + size) === 61) return this.finishOp(tt.assign, size + 1)
-    return this.finishOp(tt.bitShift, size)
-  }
-  if (next == 33 && code == 60 && this.input.charCodeAt(this.pos + 2) == 45 &&
-      this.input.charCodeAt(this.pos + 3) == 45) {
-    if (this.inModule) this.unexpected()
-    // `<!--`, an XML-style comment that should be interpreted as a line comment
-    this.skipLineComment(4)
-    this.skipSpace()
-    return this.nextToken()
-  }
-  if (next === 61) size = 2
-  return this.finishOp(tt.relational, size)
-}
-
-pp.readToken_eq_excl = function(code) { // '=!'
-  let next = this.input.charCodeAt(this.pos + 1)
-  if (next === 61) return this.finishOp(tt.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2)
-  if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) { // '=>'
-    this.pos += 2
-    return this.finishToken(tt.arrow)
-  }
-  return this.finishOp(code === 61 ? tt.eq : tt.prefix, 1)
-}
-
-pp.getTokenFromCode = function(code) {
-  switch (code) {
-    // The interpretation of a dot depends on whether it is followed
-    // by a digit or another two dots.
-  case 46: // '.'
-    return this.readToken_dot()
-
-    // Punctuation tokens.
-  case 40: ++this.pos; return this.finishToken(tt.parenL)
-  case 41: ++this.pos; return this.finishToken(tt.parenR)
-  case 59: ++this.pos; return this.finishToken(tt.semi)
-  case 44: ++this.pos; return this.finishToken(tt.comma)
-  case 91: ++this.pos; return this.finishToken(tt.bracketL)
-  case 93: ++this.pos; return this.finishToken(tt.bracketR)
-  case 123: ++this.pos; return this.finishToken(tt.braceL)
-  case 125: ++this.pos; return this.finishToken(tt.braceR)
-  case 58: ++this.pos; return this.finishToken(tt.colon)
-  case 63: ++this.pos; return this.finishToken(tt.question)
-
-  case 96: // '`'
-    if (this.options.ecmaVersion < 6) break
-    ++this.pos
-    return this.finishToken(tt.backQuote)
-
-  case 48: // '0'
-    let next = this.input.charCodeAt(this.pos + 1)
-    if (next === 120 || next === 88) return this.readRadixNumber(16) // '0x', '0X' - hex number
-    if (this.options.ecmaVersion >= 6) {
-      if (next === 111 || next === 79) return this.readRadixNumber(8) // '0o', '0O' - octal number
-      if (next === 98 || next === 66) return this.readRadixNumber(2) // '0b', '0B' - binary number
-    }
-    // Anything else beginning with a digit is an integer, octal
-    // number, or float.
-  case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: // 1-9
-    return this.readNumber(false)
-
-    // Quotes produce strings.
-  case 34: case 39: // '"', "'"
-    return this.readString(code)
-
-    // Operators are parsed inline in tiny state machines. '=' (61) is
-    // often referred to. `finishOp` simply skips the amount of
-    // characters it is given as second argument, and returns a token
-    // of the type given by its first argument.
-
-  case 47: // '/'
-    return this.readToken_slash()
-
-  case 37: case 42: // '%*'
-    return this.readToken_mult_modulo_exp(code)
-
-  case 124: case 38: // '|&'
-    return this.readToken_pipe_amp(code)
-
-  case 94: // '^'
-    return this.readToken_caret()
-
-  case 43: case 45: // '+-'
-    return this.readToken_plus_min(code)
-
-  case 60: case 62: // '<>'
-    return this.readToken_lt_gt(code)
-
-  case 61: case 33: // '=!'
-    return this.readToken_eq_excl(code)
-
-  case 126: // '~'
-    return this.finishOp(tt.prefix, 1)
-  }
-
-  this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'")
-}
-
-pp.finishOp = function(type, size) {
-  let str = this.input.slice(this.pos, this.pos + size)
-  this.pos += size
-  return this.finishToken(type, str)
-}
-
-// Parse a regular expression. Some context-awareness is necessary,
-// since a '/' inside a '[]' set does not end the expression.
-
-function tryCreateRegexp(src, flags, throwErrorAt, parser) {
-  try {
-    return new RegExp(src, flags)
-  } catch (e) {
-    if (throwErrorAt !== undefined) {
-      if (e instanceof SyntaxError) parser.raise(throwErrorAt, "Error parsing regular expression: " + e.message)
-      throw e
-    }
-  }
-}
-
-const regexpUnicodeSupport = !!tryCreateRegexp("\uffff", "u")
-
-pp.readRegexp = function() {
-  let escaped, inClass, start = this.pos
-  for (;;) {
-    if (this.pos >= this.input.length) this.raise(start, "Unterminated regular expression")
-    let ch = this.input.charAt(this.pos)
-    if (lineBreak.test(ch)) this.raise(start, "Unterminated regular expression")
-    if (!escaped) {
-      if (ch === "[") inClass = true
-      else if (ch === "]" && inClass) inClass = false
-      else if (ch === "/" && !inClass) break
-      escaped = ch === "\\"
-    } else escaped = false
-    ++this.pos
-  }
-  let content = this.input.slice(start, this.pos)
-  ++this.pos
-  // Need to use `readWord1` because '\uXXXX' sequences are allowed
-  // here (don't ask).
-  let mods = this.readWord1()
-  let tmp = content, tmpFlags = ""
-  if (mods) {
-    let validFlags = /^[gim]*$/
-    if (this.options.ecmaVersion >= 6) validFlags = /^[gimuy]*$/
-    if (!validFlags.test(mods)) this.raise(start, "Invalid regular expression flag")
-    if (mods.indexOf("u") >= 0) {
-      if (regexpUnicodeSupport) {
-        tmpFlags = "u"
-      } else {
-        // Replace each astral symbol and every Unicode escape sequence that
-        // possibly represents an astral symbol or a paired surrogate with a
-        // single ASCII symbol to avoid throwing on regular expressions that
-        // are only valid in combination with the `/u` flag.
-        // Note: replacing with the ASCII symbol `x` might cause false
-        // negatives in unlikely scenarios. For example, `[\u{61}-b]` is a
-        // perfectly valid pattern that is equivalent to `[a-b]`, but it would
-        // be replaced by `[x-b]` which throws an error.
-        tmp = tmp.replace(/\\u\{([0-9a-fA-F]+)\}/g, (_match, code, offset) => {
-          code = Number("0x" + code)
-          if (code > 0x10FFFF) this.raise(start + offset + 3, "Code point out of bounds")
-          return "x"
-        })
-        tmp = tmp.replace(/\\u([a-fA-F0-9]{4})|[\uD800-\uDBFF][\uDC00-\uDFFF]/g, "x")
-        tmpFlags = tmpFlags.replace("u", "")
-      }
-    }
-  }
-  // Detect invalid regular expressions.
-  let value = null
-  // Rhino's regular expression parser is flaky and throws uncatchable exceptions,
-  // so don't do detection if we are running under Rhino
-  if (!isRhino) {
-    tryCreateRegexp(tmp, tmpFlags, start, this)
-    // Get a regular expression object for this pattern-flag pair, or `null` in
-    // case the current environment doesn't support the flags it uses.
-    value = tryCreateRegexp(content, mods)
-  }
-  return this.finishToken(tt.regexp, {pattern: content, flags: mods, value: value})
-}
-
-// Read an integer in the given radix. Return null if zero digits
-// were read, the integer value otherwise. When `len` is given, this
-// will return `null` unless the integer has exactly `len` digits.
-
-pp.readInt = function(radix, len) {
-  let start = this.pos, total = 0
-  for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) {
-    let code = this.input.charCodeAt(this.pos), val
-    if (code >= 97) val = code - 97 + 10 // a
-    else if (code >= 65) val = code - 65 + 10 // A
-    else if (code >= 48 && code <= 57) val = code - 48 // 0-9
-    else val = Infinity
-    if (val >= radix) break
-    ++this.pos
-    total = total * radix + val
-  }
-  if (this.pos === start || len != null && this.pos - start !== len) return null
-
-  return total
-}
-
-pp.readRadixNumber = function(radix) {
-  this.pos += 2 // 0x
-  let val = this.readInt(radix)
-  if (val == null) this.raise(this.start + 2, "Expected number in radix " + radix)
-  if (isIdentifierStart(this.fullCharCodeAtPos())) this.raise(this.pos, "Identifier directly after number")
-  return this.finishToken(tt.num, val)
-}
-
-// Read an integer, octal integer, or floating-point number.
-
-pp.readNumber = function(startsWithDot) {
-  let start = this.pos, isFloat = false, octal = this.input.charCodeAt(this.pos) === 48
-  if (!startsWithDot && this.readInt(10) === null) this.raise(start, "Invalid number")
-  if (octal && this.pos == start + 1) octal = false
-  let next = this.input.charCodeAt(this.pos)
-  if (next === 46 && !octal) { // '.'
-    ++this.pos
-    this.readInt(10)
-    isFloat = true
-    next = this.input.charCodeAt(this.pos)
-  }
-  if ((next === 69 || next === 101) && !octal) { // 'eE'
-    next = this.input.charCodeAt(++this.pos)
-    if (next === 43 || next === 45) ++this.pos // '+-'
-    if (this.readInt(10) === null) this.raise(start, "Invalid number")
-    isFloat = true
-  }
-  if (isIdentifierStart(this.fullCharCodeAtPos())) this.raise(this.pos, "Identifier directly after number")
-
-  let str = this.input.slice(start, this.pos), val
-  if (isFloat) val = parseFloat(str)
-  else if (!octal || str.length === 1) val = parseInt(str, 10)
-  else if (/[89]/.test(str) || this.strict) this.raise(start, "Invalid number")
-  else val = parseInt(str, 8)
-  return this.finishToken(tt.num, val)
-}
-
-// Read a string value, interpreting backslash-escapes.
-
-pp.readCodePoint = function() {
-  let ch = this.input.charCodeAt(this.pos), code
-
-  if (ch === 123) {
-    if (this.options.ecmaVersion < 6) this.unexpected()
-    let codePos = ++this.pos
-    code = this.readHexChar(this.input.indexOf("}", this.pos) - this.pos)
-    ++this.pos
-    if (code > 0x10FFFF) this.raise(codePos, "Code point out of bounds")
-  } else {
-    code = this.readHexChar(4)
-  }
-  return code
-}
-
-function codePointToString(code) {
-  // UTF-16 Decoding
-  if (code <= 0xFFFF) return String.fromCharCode(code)
-  code -= 0x10000
-  return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00)
-}
-
-pp.readString = function(quote) {
-  let out = "", chunkStart = ++this.pos
-  for (;;) {
-    if (this.pos >= this.input.length) this.raise(this.start, "Unterminated string constant")
-    let ch = this.input.charCodeAt(this.pos)
-    if (ch === quote) break
-    if (ch === 92) { // '\'
-      out += this.input.slice(chunkStart, this.pos)
-      out += this.readEscapedChar(false)
-      chunkStart = this.pos
-    } else {
-      if (isNewLine(ch)) this.raise(this.start, "Unterminated string constant")
-      ++this.pos
-    }
-  }
-  out += this.input.slice(chunkStart, this.pos++)
-  return this.finishToken(tt.string, out)
-}
-
-// Reads template string tokens.
-
-pp.readTmplToken = function() {
-  let out = "", chunkStart = this.pos
-  for (;;) {
-    if (this.pos >= this.input.length) this.raise(this.start, "Unterminated template")
-    let ch = this.input.charCodeAt(this.pos)
-    if (ch === 96 || ch === 36 && this.input.charCodeAt(this.pos + 1) === 123) { // '`', '${'
-      if (this.pos === this.start && this.type === tt.template) {
-        if (ch === 36) {
-          this.pos += 2
-          return this.finishToken(tt.dollarBraceL)
-        } else {
-          ++this.pos
-          return this.finishToken(tt.backQuote)
-        }
-      }
-      out += this.input.slice(chunkStart, this.pos)
-      return this.finishToken(tt.template, out)
-    }
-    if (ch === 92) { // '\'
-      out += this.input.slice(chunkStart, this.pos)
-      out += this.readEscapedChar(true)
-      chunkStart = this.pos
-    } else if (isNewLine(ch)) {
-      out += this.input.slice(chunkStart, this.pos)
-      ++this.pos
-      switch (ch) {
-      case 13:
-        if (this.input.charCodeAt(this.pos) === 10) ++this.pos
-      case 10:
-        out += "\n"
-        break
-      default:
-        out += String.fromCharCode(ch)
-        break
-      }
-      if (this.options.locations) {
-        ++this.curLine
-        this.lineStart = this.pos
-      }
-      chunkStart = this.pos
-    } else {
-      ++this.pos
-    }
-  }
-}
-
-// Used to read escaped characters
-
-pp.readEscapedChar = function(inTemplate) {
-  let ch = this.input.charCodeAt(++this.pos)
-  ++this.pos
-  switch (ch) {
-  case 110: return "\n" // 'n' -> '\n'
-  case 114: return "\r" // 'r' -> '\r'
-  case 120: return String.fromCharCode(this.readHexChar(2)) // 'x'
-  case 117: return codePointToString(this.readCodePoint()) // 'u'
-  case 116: return "\t" // 't' -> '\t'
-  case 98: return "\b" // 'b' -> '\b'
-  case 118: return "\u000b" // 'v' -> '\u000b'
-  case 102: return "\f" // 'f' -> '\f'
-  case 13: if (this.input.charCodeAt(this.pos) === 10) ++this.pos // '\r\n'
-  case 10: // ' \n'
-    if (this.options.locations) { this.lineStart = this.pos; ++this.curLine }
-    return ""
-  default:
-    if (ch >= 48 && ch <= 55) {
-      let octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0]
-      let octal = parseInt(octalStr, 8)
-      if (octal > 255) {
-        octalStr = octalStr.slice(0, -1)
-        octal = parseInt(octalStr, 8)
-      }
-      if (octalStr !== "0" && (this.strict || inTemplate)) {
-        this.raise(this.pos - 2, "Octal literal in strict mode")
-      }
-      this.pos += octalStr.length - 1
-      return String.fromCharCode(octal)
-    }
-    return String.fromCharCode(ch)
-  }
-}
-
-// Used to read character escape sequences ('\x', '\u', '\U').
-
-pp.readHexChar = function(len) {
-  let codePos = this.pos
-  let n = this.readInt(16, len)
-  if (n === null) this.raise(codePos, "Bad character escape sequence")
-  return n
-}
-
-// Read an identifier, and return it as a string. Sets `this.containsEsc`
-// to whether the word contained a '\u' escape.
-//
-// Incrementally adds only escaped chars, adding other chunks as-is
-// as a micro-optimization.
-
-pp.readWord1 = function() {
-  this.containsEsc = false
-  let word = "", first = true, chunkStart = this.pos
-  let astral = this.options.ecmaVersion >= 6
-  while (this.pos < this.input.length) {
-    let ch = this.fullCharCodeAtPos()
-    if (isIdentifierChar(ch, astral)) {
-      this.pos += ch <= 0xffff ? 1 : 2
-    } else if (ch === 92) { // "\"
-      this.containsEsc = true
-      word += this.input.slice(chunkStart, this.pos)
-      let escStart = this.pos
-      if (this.input.charCodeAt(++this.pos) != 117) // "u"
-        this.raise(this.pos, "Expecting Unicode escape sequence \\uXXXX")
-      ++this.pos
-      let esc = this.readCodePoint()
-      if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral))
-        this.raise(escStart, "Invalid Unicode escape")
-      word += codePointToString(esc)
-      chunkStart = this.pos
-    } else {
-      break
-    }
-    first = false
-  }
-  return word + this.input.slice(chunkStart, this.pos)
-}
-
-// Read an identifier or keyword token. Will check for reserved
-// words when necessary.
-
-pp.readWord = function() {
-  let word = this.readWord1()
-  let type = tt.name
-  if (this.keywords.test(word)) {
-    if (this.containsEsc) this.raiseRecoverable(this.start, "Escape sequence in keyword " + word)
-    type = keywordTypes[word]
-  }
-  return this.finishToken(type, word)
-}

tools/eslint/node_modules/acorn/src/tokentype.js

@@ -1,147 +0,0 @@
-// ## Token types
-
-// The assignment of fine-grained, information-carrying type objects
-// allows the tokenizer to store the information it has about a
-// token in a way that is very cheap for the parser to look up.
-
-// All token type variables start with an underscore, to make them
-// easy to recognize.
-
-// The `beforeExpr` property is used to disambiguate between regular
-// expressions and divisions. It is set on all token types that can
-// be followed by an expression (thus, a slash after them would be a
-// regular expression).
-//
-// The `startsExpr` property is used to check if the token ends a
-// `yield` expression. It is set on all token types that either can
-// directly start an expression (like a quotation mark) or can
-// continue an expression (like the body of a string).
-//
-// `isLoop` marks a keyword as starting a loop, which is important
-// to know when parsing a label, in order to allow or disallow
-// continue jumps to that label.
-
-export class TokenType {
-  constructor(label, conf = {}) {
-    this.label = label
-    this.keyword = conf.keyword
-    this.beforeExpr = !!conf.beforeExpr
-    this.startsExpr = !!conf.startsExpr
-    this.isLoop = !!conf.isLoop
-    this.isAssign = !!conf.isAssign
-    this.prefix = !!conf.prefix
-    this.postfix = !!conf.postfix
-    this.binop = conf.binop || null
-    this.updateContext = null
-  }
-}
-
-function binop(name, prec) {
-  return new TokenType(name, {beforeExpr: true, binop: prec})
-}
-const beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}
-
-// Map keyword names to token types.
-
-export const keywords = {}
-
-// Succinct definitions of keyword token types
-function kw(name, options = {}) {
-  options.keyword = name
-  return keywords[name] = new TokenType(name, options)
-}
-
-export const types = {
-  num: new TokenType("num", startsExpr),
-  regexp: new TokenType("regexp", startsExpr),
-  string: new TokenType("string", startsExpr),
-  name: new TokenType("name", startsExpr),
-  eof: new TokenType("eof"),
-
-  // Punctuation token types.
-  bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}),
-  bracketR: new TokenType("]"),
-  braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}),
-  braceR: new TokenType("}"),
-  parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}),
-  parenR: new TokenType(")"),
-  comma: new TokenType(",", beforeExpr),
-  semi: new TokenType(";", beforeExpr),
-  colon: new TokenType(":", beforeExpr),
-  dot: new TokenType("."),
-  question: new TokenType("?", beforeExpr),
-  arrow: new TokenType("=>", beforeExpr),
-  template: new TokenType("template"),
-  ellipsis: new TokenType("...", beforeExpr),
-  backQuote: new TokenType("`", startsExpr),
-  dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}),
-
-  // Operators. These carry several kinds of properties to help the
-  // parser use them properly (the presence of these properties is
-  // what categorizes them as operators).
-  //
-  // `binop`, when present, specifies that this operator is a binary
-  // operator, and will refer to its precedence.
-  //
-  // `prefix` and `postfix` mark the operator as a prefix or postfix
-  // unary operator.
-  //
-  // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as
-  // binary operators with a very low precedence, that should result
-  // in AssignmentExpression nodes.
-
-  eq: new TokenType("=", {beforeExpr: true, isAssign: true}),
-  assign: new TokenType("_=", {beforeExpr: true, isAssign: true}),
-  incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}),
-  prefix: new TokenType("prefix", {beforeExpr: true, prefix: true, startsExpr: true}),
-  logicalOR: binop("||", 1),
-  logicalAND: binop("&&", 2),
-  bitwiseOR: binop("|", 3),
-  bitwiseXOR: binop("^", 4),
-  bitwiseAND: binop("&", 5),
-  equality: binop("==/!=", 6),
-  relational: binop("</>", 7),
-  bitShift: binop("<</>>", 8),
-  plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}),
-  modulo: binop("%", 10),
-  star: binop("*", 10),
-  slash: binop("/", 10),
-  starstar: new TokenType("**", {beforeExpr: true}),
-
-  // Keyword token types.
-  _break: kw("break"),
-  _case: kw("case", beforeExpr),
-  _catch: kw("catch"),
-  _continue: kw("continue"),
-  _debugger: kw("debugger"),
-  _default: kw("default", beforeExpr),
-  _do: kw("do", {isLoop: true, beforeExpr: true}),
-  _else: kw("else", beforeExpr),
-  _finally: kw("finally"),
-  _for: kw("for", {isLoop: true}),
-  _function: kw("function", startsExpr),
-  _if: kw("if"),
-  _return: kw("return", beforeExpr),
-  _switch: kw("switch"),
-  _throw: kw("throw", beforeExpr),
-  _try: kw("try"),
-  _var: kw("var"),
-  _const: kw("const"),
-  _while: kw("while", {isLoop: true}),
-  _with: kw("with"),
-  _new: kw("new", {beforeExpr: true, startsExpr: true}),
-  _this: kw("this", startsExpr),
-  _super: kw("super", startsExpr),
-  _class: kw("class"),
-  _extends: kw("extends", beforeExpr),
-  _export: kw("export"),
-  _import: kw("import"),
-  _null: kw("null", startsExpr),
-  _true: kw("true", startsExpr),
-  _false: kw("false", startsExpr),
-  _in: kw("in", {beforeExpr: true, binop: 7}),
-  _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}),
-  _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}),
-  _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}),
-  _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true})
-}

tools/eslint/node_modules/acorn/src/util.js

@@ -1,11 +0,0 @@
-const {hasOwnProperty, toString} = Object.prototype
-
-// Checks if an object has a property.
-
-export function has(obj, propName) {
-  return hasOwnProperty.call(obj, propName)
-}
-
-export const isArray = Array.isArray || ((obj) => (
-  toString.call(obj) === "[object Array]"
-))

tools/eslint/node_modules/acorn/src/walk/index.js

@@ -1,342 +0,0 @@
-// AST walker module for Mozilla Parser API compatible trees
-
-// A simple walk is one where you simply specify callbacks to be
-// called on specific nodes. The last two arguments are optional. A
-// simple use would be
-//
-//     walk.simple(myTree, {
-//         Expression: function(node) { ... }
-//     });
-//
-// to do something with all expressions. All Parser API node types
-// can be used to identify node types, as well as Expression,
-// Statement, and ScopeBody, which denote categories of nodes.
-//
-// The base argument can be used to pass a custom (recursive)
-// walker, and state can be used to give this walked an initial
-// state.
-
-export function simple(node, visitors, base, state, override) {
-  if (!base) base = exports.base
-  ;(function c(node, st, override) {
-    let type = override || node.type, found = visitors[type]
-    base[type](node, st, c)
-    if (found) found(node, st)
-  })(node, state, override)
-}
-
-// An ancestor walk keeps an array of ancestor nodes (including the
-// current node) and passes them to the callback as third parameter
-// (and also as state parameter when no other state is present).
-export function ancestor(node, visitors, base, state) {
-  if (!base) base = exports.base
-  let ancestors = []
-  ;(function c(node, st, override) {
-    let type = override || node.type, found = visitors[type]
-    let isNew = node != ancestors[ancestors.length - 1]
-    if (isNew) ancestors.push(node)
-    base[type](node, st, c)
-    if (found) found(node, st || ancestors, ancestors)
-    if (isNew) ancestors.pop()
-  })(node, state)
-}
-
-// A recursive walk is one where your functions override the default
-// walkers. They can modify and replace the state parameter that's
-// threaded through the walk, and can opt how and whether to walk
-// their child nodes (by calling their third argument on these
-// nodes).
-export function recursive(node, state, funcs, base, override) {
-  let visitor = funcs ? exports.make(funcs, base) : base
-  ;(function c(node, st, override) {
-    visitor[override || node.type](node, st, c)
-  })(node, state, override)
-}
-
-function makeTest(test) {
-  if (typeof test == "string")
-    return type => type == test
-  else if (!test)
-    return () => true
-  else
-    return test
-}
-
-class Found {
-  constructor(node, state) { this.node = node; this.state = state }
-}
-
-// Find a node with a given start, end, and type (all are optional,
-// null can be used as wildcard). Returns a {node, state} object, or
-// undefined when it doesn't find a matching node.
-export function findNodeAt(node, start, end, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  try {
-    (function c(node, st, override) {
-      let type = override || node.type
-      if ((start == null || node.start <= start) &&
-          (end == null || node.end >= end))
-        base[type](node, st, c)
-      if ((start == null || node.start == start) &&
-          (end == null || node.end == end) &&
-          test(type, node))
-        throw new Found(node, st)
-    })(node, state)
-  } catch (e) {
-    if (e instanceof Found) return e
-    throw e
-  }
-}
-
-// Find the innermost node of a given type that contains the given
-// position. Interface similar to findNodeAt.
-export function findNodeAround(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  try {
-    (function c(node, st, override) {
-      let type = override || node.type
-      if (node.start > pos || node.end < pos) return
-      base[type](node, st, c)
-      if (test(type, node)) throw new Found(node, st)
-    })(node, state)
-  } catch (e) {
-    if (e instanceof Found) return e
-    throw e
-  }
-}
-
-// Find the outermost matching node after a given position.
-export function findNodeAfter(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  try {
-    (function c(node, st, override) {
-      if (node.end < pos) return
-      let type = override || node.type
-      if (node.start >= pos && test(type, node)) throw new Found(node, st)
-      base[type](node, st, c)
-    })(node, state)
-  } catch (e) {
-    if (e instanceof Found) return e
-    throw e
-  }
-}
-
-// Find the outermost matching node before a given position.
-export function findNodeBefore(node, pos, test, base, state) {
-  test = makeTest(test)
-  if (!base) base = exports.base
-  let max
-  ;(function c(node, st, override) {
-    if (node.start > pos) return
-    let type = override || node.type
-    if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node))
-      max = new Found(node, st)
-    base[type](node, st, c)
-  })(node, state)
-  return max
-}
-
-// Fallback to an Object.create polyfill for older environments.
-const create = Object.create || function(proto) {
-  function Ctor() {}
-  Ctor.prototype = proto
-  return new Ctor
-}
-
-// Used to create a custom walker. Will fill in all missing node
-// type properties with the defaults.
-export function make(funcs, base) {
-  if (!base) base = exports.base
-  let visitor = create(base)
-  for (let type in funcs) visitor[type] = funcs[type]
-  return visitor
-}
-
-function skipThrough(node, st, c) { c(node, st) }
-function ignore(_node, _st, _c) {}
-
-// Node walkers.
-
-export const base = {}
-
-base.Program = base.BlockStatement = (node, st, c) => {
-  for (let i = 0; i < node.body.length; ++i)
-    c(node.body[i], st, "Statement")
-}
-base.Statement = skipThrough
-base.EmptyStatement = ignore
-base.ExpressionStatement = base.ParenthesizedExpression =
-  (node, st, c) => c(node.expression, st, "Expression")
-base.IfStatement = (node, st, c) => {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Statement")
-  if (node.alternate) c(node.alternate, st, "Statement")
-}
-base.LabeledStatement = (node, st, c) => c(node.body, st, "Statement")
-base.BreakStatement = base.ContinueStatement = ignore
-base.WithStatement = (node, st, c) => {
-  c(node.object, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.SwitchStatement = (node, st, c) => {
-  c(node.discriminant, st, "Expression")
-  for (let i = 0; i < node.cases.length; ++i) {
-    let cs = node.cases[i]
-    if (cs.test) c(cs.test, st, "Expression")
-    for (let j = 0; j < cs.consequent.length; ++j)
-      c(cs.consequent[j], st, "Statement")
-  }
-}
-base.ReturnStatement = base.YieldExpression = base.AwaitExpression = (node, st, c) => {
-  if (node.argument) c(node.argument, st, "Expression")
-}
-base.ThrowStatement = base.SpreadElement =
-  (node, st, c) => c(node.argument, st, "Expression")
-base.TryStatement = (node, st, c) => {
-  c(node.block, st, "Statement")
-  if (node.handler) c(node.handler, st)
-  if (node.finalizer) c(node.finalizer, st, "Statement")
-}
-base.CatchClause = (node, st, c) => {
-  c(node.param, st, "Pattern")
-  c(node.body, st, "ScopeBody")
-}
-base.WhileStatement = base.DoWhileStatement = (node, st, c) => {
-  c(node.test, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForStatement = (node, st, c) => {
-  if (node.init) c(node.init, st, "ForInit")
-  if (node.test) c(node.test, st, "Expression")
-  if (node.update) c(node.update, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInStatement = base.ForOfStatement = (node, st, c) => {
-  c(node.left, st, "ForInit")
-  c(node.right, st, "Expression")
-  c(node.body, st, "Statement")
-}
-base.ForInit = (node, st, c) => {
-  if (node.type == "VariableDeclaration") c(node, st)
-  else c(node, st, "Expression")
-}
-base.DebuggerStatement = ignore
-
-base.FunctionDeclaration = (node, st, c) => c(node, st, "Function")
-base.VariableDeclaration = (node, st, c) => {
-  for (let i = 0; i < node.declarations.length; ++i)
-    c(node.declarations[i], st)
-}
-base.VariableDeclarator = (node, st, c) => {
-  c(node.id, st, "Pattern")
-  if (node.init) c(node.init, st, "Expression")
-}
-
-base.Function = (node, st, c) => {
-  if (node.id) c(node.id, st, "Pattern")
-  for (let i = 0; i < node.params.length; i++)
-    c(node.params[i], st, "Pattern")
-  c(node.body, st, node.expression ? "ScopeExpression" : "ScopeBody")
-}
-// FIXME drop these node types in next major version
-// (They are awkward, and in ES6 every block can be a scope.)
-base.ScopeBody = (node, st, c) => c(node, st, "Statement")
-base.ScopeExpression = (node, st, c) => c(node, st, "Expression")
-
-base.Pattern = (node, st, c) => {
-  if (node.type == "Identifier")
-    c(node, st, "VariablePattern")
-  else if (node.type == "MemberExpression")
-    c(node, st, "MemberPattern")
-  else
-    c(node, st)
-}
-base.VariablePattern = ignore
-base.MemberPattern = skipThrough
-base.RestElement = (node, st, c) => c(node.argument, st, "Pattern")
-base.ArrayPattern = (node, st, c) => {
-  for (let i = 0; i < node.elements.length; ++i) {
-    let elt = node.elements[i]
-    if (elt) c(elt, st, "Pattern")
-  }
-}
-base.ObjectPattern = (node, st, c) => {
-  for (let i = 0; i < node.properties.length; ++i)
-    c(node.properties[i].value, st, "Pattern")
-}
-
-base.Expression = skipThrough
-base.ThisExpression = base.Super = base.MetaProperty = ignore
-base.ArrayExpression = (node, st, c) => {
-  for (let i = 0; i < node.elements.length; ++i) {
-    let elt = node.elements[i]
-    if (elt) c(elt, st, "Expression")
-  }
-}
-base.ObjectExpression = (node, st, c) => {
-  for (let i = 0; i < node.properties.length; ++i)
-    c(node.properties[i], st)
-}
-base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration
-base.SequenceExpression = base.TemplateLiteral = (node, st, c) => {
-  for (let i = 0; i < node.expressions.length; ++i)
-    c(node.expressions[i], st, "Expression")
-}
-base.UnaryExpression = base.UpdateExpression = (node, st, c) => {
-  c(node.argument, st, "Expression")
-}
-base.BinaryExpression = base.LogicalExpression = (node, st, c) => {
-  c(node.left, st, "Expression")
-  c(node.right, st, "Expression")
-}
-base.AssignmentExpression = base.AssignmentPattern = (node, st, c) => {
-  c(node.left, st, "Pattern")
-  c(node.right, st, "Expression")
-}
-base.ConditionalExpression = (node, st, c) => {
-  c(node.test, st, "Expression")
-  c(node.consequent, st, "Expression")
-  c(node.alternate, st, "Expression")
-}
-base.NewExpression = base.CallExpression = (node, st, c) => {
-  c(node.callee, st, "Expression")
-  if (node.arguments) for (let i = 0; i < node.arguments.length; ++i)
-    c(node.arguments[i], st, "Expression")
-}
-base.MemberExpression = (node, st, c) => {
-  c(node.object, st, "Expression")
-  if (node.computed) c(node.property, st, "Expression")
-}
-base.ExportNamedDeclaration = base.ExportDefaultDeclaration = (node, st, c) => {
-  if (node.declaration)
-    c(node.declaration, st, node.type == "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression")
-  if (node.source) c(node.source, st, "Expression")
-}
-base.ExportAllDeclaration = (node, st, c) => {
-  c(node.source, st, "Expression")
-}
-base.ImportDeclaration = (node, st, c) => {
-  for (let i = 0; i < node.specifiers.length; i++)
-    c(node.specifiers[i], st)
-  c(node.source, st, "Expression")
-}
-base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.Literal = ignore
-
-base.TaggedTemplateExpression = (node, st, c) => {
-  c(node.tag, st, "Expression")
-  c(node.quasi, st)
-}
-base.ClassDeclaration = base.ClassExpression = (node, st, c) => c(node, st, "Class")
-base.Class = (node, st, c) => {
-  if (node.id) c(node.id, st, "Pattern")
-  if (node.superClass) c(node.superClass, st, "Expression")
-  for (let i = 0; i < node.body.body.length; i++)
-    c(node.body.body[i], st)
-}
-base.MethodDefinition = base.Property = (node, st, c) => {
-  if (node.computed) c(node.key, st, "Expression")
-  c(node.value, st, "Expression")
-}

tools/eslint/node_modules/acorn/src/whitespace.js

@@ -1,13 +0,0 @@
-// Matches a whole line break (where CRLF is considered a single
-// line break). Used to count lines.
-
-export const lineBreak = /\r\n?|\n|\u2028|\u2029/
-export const lineBreakG = new RegExp(lineBreak.source, "g")
-
-export function isNewLine(code) {
-  return code === 10 || code === 13 || code === 0x2028 || code === 0x2029
-}
-
-export const nonASCIIwhitespace = /[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/
-
-export const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g

tools/eslint/node_modules/ajv/.tonic_example.js

@@ -1,5 +1,5 @@
 var Ajv = require('ajv');
-var ajv = Ajv({allErrors: true});
+var ajv = new Ajv({allErrors: true});
 
 var schema = {
   "properties": {

tools/eslint/node_modules/ajv/README.md

@@ -2,7 +2,7 @@
 
 # Ajv: Another JSON Schema Validator
 
-The fastest JSON Schema validator for node.js and browser. Supports [v5 proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals).
+The fastest JSON Schema validator for node.js and browser with draft 6 support.
 
 
 [![Build Status](https://travis-ci.org/epoberezkin/ajv.svg?branch=master)](https://travis-ci.org/epoberezkin/ajv)
@@ -10,12 +10,21 @@ The fastest JSON Schema validator for node.js and browser. Supports [v5 proposal
 [![npm downloads](https://img.shields.io/npm/dm/ajv.svg)](https://www.npmjs.com/package/ajv)
 [![Code Climate](https://codeclimate.com/github/epoberezkin/ajv/badges/gpa.svg)](https://codeclimate.com/github/epoberezkin/ajv)
 [![Coverage Status](https://coveralls.io/repos/epoberezkin/ajv/badge.svg?branch=master&service=github)](https://coveralls.io/github/epoberezkin/ajv?branch=master)
+[![Greenkeeper badge](https://badges.greenkeeper.io/epoberezkin/ajv.svg)](https://greenkeeper.io/)
 [![Gitter](https://img.shields.io/gitter/room/ajv-validator/ajv.svg)](https://gitter.im/ajv-validator/ajv)
 
 
-__Please note__: You can start using NEW beta version [5.0.4](https://github.com/epoberezkin/ajv/releases/tag/5.0.4-beta.3) (see [migration guide from 4.x.x](https://github.com/epoberezkin/ajv/releases/tag/5.0.1-beta.0)) with the support of JSON-Schema draft-06 (not officially published yet): `npm install ajv@^5.0.4-beta`.
+## Using version 5
 
-Also see [docs](https://github.com/epoberezkin/ajv/tree/5.0.4-beta.3) for 5.0.4.
+[JSON Schema draft-06](https://trac.tools.ietf.org/html/draft-wright-json-schema-validation-01) is published.
+
+[Ajv version 5.0.0](https://github.com/epoberezkin/ajv/releases/tag/5.0.0) that supports draft-06 is released. It may require either migrating your schemas or updating your code (to continue using draft-04 and v5 schemas).
+
+__Please note__: To use Ajv with draft-04 schemas you need to explicitly add meta-schema to the validator instance:
+
+```javascript
+ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-04.json'));
+```
 
 
 ## Contents
@@ -32,7 +41,7 @@ Also see [docs](https://github.com/epoberezkin/ajv/tree/5.0.4-beta.3) for 5.0.4.
   - [$data reference](#data-reference)
   - NEW: [$merge and $patch keywords](#merge-and-patch-keywords)
   - [Defining custom keywords](#defining-custom-keywords)
-  - [Asynchronous schema compilation](#asynchronous-compilation)
+  - [Asynchronous schema compilation](#asynchronous-schema-compilation)
   - [Asynchronous validation](#asynchronous-validation)
 - Modifying data during validation
   - [Filtering data](#filtering-data)
@@ -66,15 +75,15 @@ Performace of different validators by [json-schema-benchmark](https://github.com
 
 ## Features
 
-- Ajv implements full [JSON Schema draft 4](http://json-schema.org/) standard:
-  - all validation keywords (see [JSON-Schema validation keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md))
+- Ajv implements full JSON Schema [draft 6](http://json-schema.org/) and draft 4 standards:
+  - all validation keywords (see [JSON Schema validation keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md))
   - full support of remote refs (remote schemas have to be added with `addSchema` or compiled to be available)
   - support of circular references between schemas
   - correct string lengths for strings with unicode pairs (can be turned off)
   - [formats](#formats) defined by JSON Schema draft 4 standard and custom formats (can be turned off)
   - [validates schemas against meta-schema](#api-validateschema)
-- supports [browsers](#using-in-browser) and nodejs 0.10-6.x
-- [asynchronous loading](#asynchronous-compilation) of referenced schemas during compilation
+- supports [browsers](#using-in-browser) and nodejs 0.10-7.x
+- [asynchronous loading](#asynchronous-schema-compilation) of referenced schemas during compilation
 - "All errors" validation mode with [option allErrors](#options)
 - [error messages with parameters](#validation-errors) describing error reasons to allow creating custom error messages
 - i18n error messages support with [ajv-i18n](https://github.com/epoberezkin/ajv-i18n) package
@@ -82,9 +91,10 @@ Performace of different validators by [json-schema-benchmark](https://github.com
 - [assigning defaults](#assigning-defaults) to missing properties and items
 - [coercing data](#coercing-data-types) to the types specified in `type` keywords
 - [custom keywords](#defining-custom-keywords)
-- keywords `switch`, `constant`, `contains`, `patternGroups`, `patternRequired`, `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum` from [JSON-schema v5 proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) with [option v5](#options)
-- [v5 meta-schema](https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/json-schema-v5.json#) for schemas using v5 keywords
-- [v5 $data reference](#data-reference) to use values from the validated data as values for the schema keywords
+- draft-6 keywords `const`, `contains` and `propertyNames`
+- draft-6 boolean schemas (`true`/`false` as a schema to always pass/fail).
+- keywords `switch`, `patternRequired`, `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum` from [JSON-schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) with [ajv-keywords](https://github.com/epoberezkin/ajv-keywords) package
+- [$data reference](#data-reference) to use values from the validated data as values for the schema keywords
 - [asynchronous validation](#asynchronous-validation) of custom formats and keywords
 
 Currently Ajv is the only validator that passes all the tests from [JSON Schema Test Suite](https://github.com/json-schema/JSON-Schema-Test-Suite) (according to [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark), apart from the test that requires that `1.0` is not an integer that is impossible to satisfy in JavaScript).
@@ -96,12 +106,6 @@ Currently Ajv is the only validator that passes all the tests from [JSON Schema
 npm install ajv
 ```
 
-To install a stable beta version [5.0.4](https://github.com/epoberezkin/ajv/releases/tag/5.0.4-beta.3) (see [migration guide from 4.x.x](https://github.com/epoberezkin/ajv/releases/tag/5.0.1-beta.0)):
-
-```
-npm install ajv@^5.0.4-beta
-```
-
 
 ## <a name="usage"></a>Getting started
 
@@ -139,7 +143,7 @@ if (!valid) console.log(ajv.errorsText());
 
 See [API](#api) and [Options](#options) for more details.
 
-Ajv compiles schemas to functions and caches them in all cases (using schema stringified with [json-stable-stringify](https://github.com/substack/json-stable-stringify) as a key), so that the next time the same schema is used (not necessarily the same object instance) it won't be compiled again.
+Ajv compiles schemas to functions and caches them in all cases (using schema serialized with [json-stable-stringify](https://github.com/substack/json-stable-stringify) or a custom function as a key), so that the next time the same schema is used (not necessarily the same object instance) it won't be compiled again.
 
 The best performance is achieved when using compiled functions returned by `compile` or `getSchema` methods (there is no additional function call).
 
@@ -174,6 +178,7 @@ CLI is available as a separate npm package [ajv-cli](https://github.com/jessedc/
 
 - compiling JSON-schemas to test their validity
 - BETA: generating standalone module exporting a validation function to be used without Ajv (using [ajv-pack](https://github.com/epoberezkin/ajv-pack))
+- migrate schemas to draft-06 (using [json-schema-migrate](https://github.com/epoberezkin/json-schema-migrate))
 - validating data file(s) against JSON-schema
 - testing expected validity of data against JSON-schema
 - referenced schemas
@@ -190,20 +195,18 @@ Ajv supports all validation keywords from draft 4 of JSON-schema standard:
 - [type](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#type)
 - [for numbers](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-numbers) - maximum, minimum, exclusiveMaximum, exclusiveMinimum, multipleOf
 - [for strings](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-strings) - maxLength, minLength, pattern, format
-- [for arrays](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-arrays) - maxItems, minItems, uniqueItems, items, additionalItems
-- [for objects](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-objects) - maxProperties, minproperties, required, properties, patternProperties, additionalProperties, dependencies
-- [compound keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-all-types) - enum, not, oneOf, anyOf, allOf
+- [for arrays](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-arrays) - maxItems, minItems, uniqueItems, items, additionalItems, [contains](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#contains)
+- [for objects](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-objects) - maxProperties, minproperties, required, properties, patternProperties, additionalProperties, dependencies, [propertyNames](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#propertynames)
+- [for all types](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#keywords-for-all-types) - enum, [const](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#const)
+- [compound keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#compound-keywords) - not, oneOf, anyOf, allOf
 
-With option `v5: true` Ajv also supports all validation keywords and [$data reference](#data-reference) from [v5 proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) for JSON-schema standard:
+With [ajv-keywords](https://github.com/epoberezkin/ajv-keywords) package Ajv also supports validation keywords from [JSON Schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) for JSON-schema standard:
 
-- [switch](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#switch-v5-proposal) - conditional validation with a sequence of if/then clauses
-- [contains](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#contains-v5-proposal) - check that array contains a valid item
-- [constant](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#constant-v5-proposal) - check that data is equal to some value
-- [patternGroups](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#patterngroups-v5-proposal) - a more powerful alternative to patternProperties
-- [patternRequired](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#patternrequired-v5-proposal) - like `required` but with patterns that some property should match.
-- [formatMaximum, formatMinimum, formatExclusiveMaximum, formatExclusiveMinimum](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#formatmaximum--formatminimum-and-exclusiveformatmaximum--exclusiveformatminimum-v5-proposal) - setting limits for date, time, etc.
+- [switch](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#switch-proposed) - conditional validation with a sequence of if/then clauses
+- [patternRequired](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#patternrequired-proposed) - like `required` but with patterns that some property should match.
+- [formatMaximum, formatMinimum, formatExclusiveMaximum, formatExclusiveMinimum](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md#formatmaximum--formatminimum-and-exclusiveformatmaximum--exclusiveformatminimum-proposed) - setting limits for date, time, etc.
 
-See [JSON-Schema validation keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md) for more details.
+See [JSON Schema validation keywords](https://github.com/epoberezkin/ajv/blob/master/KEYWORDS.md) for more details.
 
 
 ## Formats
@@ -214,8 +217,10 @@ The following formats are supported for string validation with "format" keyword:
 - _time_: time with optional time-zone.
 - _date-time_: date-time from the same source (time-zone is mandatory). `date`, `time` and `date-time` validate ranges in `full` mode and only regexp in `fast` mode (see [options](#options)).
 - _uri_: full uri with optional protocol.
+- _url_: [URL record](https://url.spec.whatwg.org/#concept-url).
+- _uri-template_: URI template according to [RFC6570](https://tools.ietf.org/html/rfc6570)
 - _email_: email address.
-- _hostname_: host name acording to [RFC1034](http://tools.ietf.org/html/rfc1034#section-3.5).
+- _hostname_: host name according to [RFC1034](http://tools.ietf.org/html/rfc1034#section-3.5).
 - _ipv4_: IP address v4.
 - _ipv6_: IP address v6.
 - _regex_: tests whether a string is a valid regular expression by passing it to RegExp constructor.
@@ -227,16 +232,16 @@ There are two modes of format validation: `fast` and `full`. This mode affects f
 
 You can add additional formats and replace any of the formats above using [addFormat](#api-addformat) method.
 
-The option `unknownFormats` allows to change the behaviour in case an unknown format is encountered - Ajv can either ignore them (default now) or fail schema compilation (will be the default in 5.0.0).
+The option `unknownFormats` allows to change the behaviour in case an unknown format is encountered - Ajv can either fail schema compilation (default) or ignore it (default in versions before 5.0.0). You also can whitelist specific format(s) to be ignored. See [Options](#options) for details.
 
 You can find patterns used for format validation and the sources that were used in [formats.js](https://github.com/epoberezkin/ajv/blob/master/lib/compile/formats.js).
 
 
 ## $data reference
 
-With `v5` option you can use values from the validated data as the values for the schema keywords. See [v5 proposal](https://github.com/json-schema/json-schema/wiki/$data-(v5-proposal)) for more information about how it works.
+With `$data` option you can use values from the validated data as the values for the schema keywords. See [proposal](https://github.com/json-schema/json-schema/wiki/$data-(v5-proposal)) for more information about how it works.
 
-`$data` reference is supported in the keywords: constant, enum, format, maximum/minimum, exclusiveMaximum / exclusiveMinimum, maxLength / minLength, maxItems / minItems, maxProperties / minProperties, formatMaximum / formatMinimum, formatExclusiveMaximum / formatExclusiveMinimum, multipleOf, pattern, required, uniqueItems.
+`$data` reference is supported in the keywords: const, enum, format, maximum/minimum, exclusiveMaximum / exclusiveMinimum, maxLength / minLength, maxItems / minItems, maxProperties / minProperties, formatMaximum / formatMinimum, formatExclusiveMaximum / formatExclusiveMinimum, multipleOf, pattern, required, uniqueItems.
 
 The value of "$data" should be a [JSON-pointer](https://tools.ietf.org/html/rfc6901) to the data (the root is always the top level data object, even if the $data reference is inside a referenced subschema) or a [relative JSON-pointer](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00) (it is relative to the current point in data; if the $data reference is inside a referenced subschema it cannot point to the data outside of the root level for this subschema).
 
@@ -277,12 +282,12 @@ var validData = {
 }
 ```
 
-`$data` reference is resolved safely - it won't throw even if some property is undefined. If `$data` resolves to `undefined` the validation succeeds (with the exclusion of `constant` keyword). If `$data` resolves to incorrect type (e.g. not "number" for maximum keyword) the validation fails.
+`$data` reference is resolved safely - it won't throw even if some property is undefined. If `$data` resolves to `undefined` the validation succeeds (with the exclusion of `const` keyword). If `$data` resolves to incorrect type (e.g. not "number" for maximum keyword) the validation fails.
 
 
 ## $merge and $patch keywords
 
-With v5 option and the package [ajv-merge-patch](https://github.com/epoberezkin/ajv-merge-patch) you can use the keywords `$merge` and `$patch` that allow extending JSON-schemas with patches using formats [JSON Merge Patch (RFC 7396)](https://tools.ietf.org/html/rfc7396) and [JSON Patch (RFC 6902)](https://tools.ietf.org/html/rfc6902).
+With the package [ajv-merge-patch](https://github.com/epoberezkin/ajv-merge-patch) you can use the keywords `$merge` and `$patch` that allow extending JSON-schemas with patches using formats [JSON Merge Patch (RFC 7396)](https://tools.ietf.org/html/rfc7396) and [JSON Patch (RFC 6902)](https://tools.ietf.org/html/rfc6902).
 
 To add keywords `$merge` and `$patch` to Ajv instance use this code:
 
@@ -348,7 +353,7 @@ See the package [ajv-merge-patch](https://github.com/epoberezkin/ajv-merge-patch
 
 The advantages of using custom keywords are:
 
-- allow creating validation scenarios that cannot be expressed using JSON-Schema
+- allow creating validation scenarios that cannot be expressed using JSON Schema
 - simplify your schemas
 - help bringing a bigger part of the validation logic to your schemas
 - make your schemas more expressive, less verbose and closer to your application domain
@@ -391,27 +396,26 @@ Several custom keywords (typeof, instanceof, range and propertyNames) are define
 See [Defining custom keywords](https://github.com/epoberezkin/ajv/blob/master/CUSTOM.md) for more details.
 
 
-## Asynchronous compilation
+## Asynchronous schema compilation
 
-During asynchronous compilation remote references are loaded using supplied function. See `compileAsync` method and `loadSchema` [option](#options).
+During asynchronous compilation remote references are loaded using supplied function. See `compileAsync` [method](#api-compileAsync) and `loadSchema` [option](#options).
 
 Example:
 
 ```javascript
 var ajv = new Ajv({ loadSchema: loadSchema });
 
-ajv.compileAsync(schema, function (err, validate) {
-	if (err) return;
-	var valid = validate(data);
+ajv.compileAsync(schema).then(function (validate) {
+  var valid = validate(data);
+  // ...
 });
 
-function loadSchema(uri, callback) {
-	request.json(uri, function(err, res, body) {
-		if (err || res.statusCode >= 400)
-			callback(err || new Error('Loading error: ' + res.statusCode));
-		else
-			callback(null, body);
-	});
+function loadSchema(uri) {
+  return request.json(uri).then(function (res) {
+    if (res.statusCode >= 400)
+      throw new Error('Loading error: ' + res.statusCode);
+    return res.body;
+  });
 }
 ```
 
@@ -428,29 +432,39 @@ If your schema uses asynchronous formats/keywords or refers to some schema that
 
 __Please note__: all asynchronous subschemas that are referenced from the current or other schemas should have `"$async": true` keyword as well, otherwise the schema compilation will fail.
 
-Validation function for an asynchronous custom format/keyword should return a promise that resolves to `true` or `false` (or rejects with `new Ajv.ValidationError(errors)` if you want to return custom errors from the keyword function). Ajv compiles asynchronous schemas to either [generator function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*) (default) that can be optionally transpiled with [regenerator](https://github.com/facebook/regenerator) or to [es7 async function](http://tc39.github.io/ecmascript-asyncawait/) that can be transpiled with [nodent](https://github.com/MatAtBread/nodent) or with regenerator as well. You can also supply any other transpiler as a function. See [Options](#options).
+Validation function for an asynchronous custom format/keyword should return a promise that resolves with `true` or `false` (or rejects with `new Ajv.ValidationError(errors)` if you want to return custom errors from the keyword function). Ajv compiles asynchronous schemas to either [es7 async functions](http://tc39.github.io/ecmascript-asyncawait/) that can optionally be transpiled with [nodent](https://github.com/MatAtBread/nodent) or with [regenerator](https://github.com/facebook/regenerator) or to [generator functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*) that can be optionally transpiled with regenerator as well. You can also supply any other transpiler as a function. See [Options](#options).
 
 The compiled validation function has `$async: true` property (if the schema is asynchronous), so you can differentiate these functions if you are using both syncronous and asynchronous schemas.
 
 If you are using generators, the compiled validation function can be either wrapped with [co](https://github.com/tj/co) (default) or returned as generator function, that can be used directly, e.g. in [koa](http://koajs.com/) 1.0. `co` is a small library, it is included in Ajv (both as npm dependency and in the browser bundle).
 
-Generator functions are currently supported in Chrome, Firefox and node.js (0.11+); if you are using Ajv in other browsers or in older versions of node.js you should use one of available transpiling options. All provided async modes use global Promise class. If your platform does not have Promise you should use a polyfill that defines it.
+Async functions are currently supported in Chrome 55, Firefox 52, Node 7 (with --harmony-async-await) and MS Edge 13 (with flag).
 
-Validation result will be a promise that resolves to `true` or rejects with an exception `Ajv.ValidationError` that has the array of validation errors in `errors` property.
+Generator functions are currently supported in Chrome, Firefox and node.js.
+
+If you are using Ajv in other browsers or in older versions of node.js you should use one of available transpiling options. All provided async modes use global Promise class. If your platform does not have Promise you should use a polyfill that defines it.
+
+Validation result will be a promise that resolves with validated data or rejects with an exception `Ajv.ValidationError` that has the array of validation errors in `errors` property.
 
 
 Example:
 
 ```javascript
 /**
- * without "async" and "transpile" options (or with option {async: true})
+ * Default mode is non-transpiled generator function wrapped with `co`.
+ * Using package ajv-async (https://github.com/epoberezkin/ajv-async)
+ * you can auto-detect the best async mode.
+ * In this case, without "async" and "transpile" options
+ * (or with option {async: true})
  * Ajv will choose the first supported/installed option in this order:
- * 1. native generator function wrapped with co
- * 2. es7 async functions transpiled with nodent
- * 3. es7 async functions transpiled with regenerator
+ * 1. native async function
+ * 2. native generator function wrapped with co
+ * 3. es7 async functions transpiled with nodent
+ * 4. es7 async functions transpiled with regenerator
  */
 
-var ajv = new Ajv;
+var setupAsync = require('ajv-async');
+var ajv = setupAsync(new Ajv);
 
 ajv.addKeyword('idExists', {
   async: true,
@@ -485,9 +499,8 @@ var schema = {
 var validate = ajv.compile(schema);
 
 validate({ userId: 1, postId: 19 }))
-.then(function (valid) {
-  // "valid" is always true here
-  console.log('Data is valid');
+.then(function (data) {
+  console.log('Data is valid', data); // { userId: 1, postId: 19 }
 })
 .catch(function (err) {
   if (!(err instanceof Ajv.ValidationError)) throw err;
@@ -507,7 +520,9 @@ Ajv npm package includes minified browser bundles of regenerator and nodent in d
 #### Using nodent
 
 ```javascript
+var setupAsync = require('ajv-async');
 var ajv = new Ajv({ /* async: 'es7', */ transpile: 'nodent' });
+setupAsync(ajv);
 var validate = ajv.compile(schema); // transpiled es7 async function
 validate(data).then(successFunc).catch(errorFunc);
 ```
@@ -518,7 +533,9 @@ validate(data).then(successFunc).catch(errorFunc);
 #### Using regenerator
 
 ```javascript
+var setupAsync = require('ajv-async');
 var ajv = new Ajv({ /* async: 'es7', */ transpile: 'regenerator' });
+setupAsync(ajv);
 var validate = ajv.compile(schema); // transpiled es7 async function
 validate(data).then(successFunc).catch(errorFunc);
 ```
@@ -529,7 +546,7 @@ validate(data).then(successFunc).catch(errorFunc);
 #### Using other transpilers
 
 ```javascript
-var ajv = new Ajv({ async: 'es7', transpile: transpileFunc });
+var ajv = new Ajv({ async: 'es7', processCode: transpileFunc });
 var validate = ajv.compile(schema); // transpiled es7 async function
 validate(data).then(successFunc).catch(errorFunc);
 ```
@@ -541,12 +558,13 @@ See [Options](#options).
 
 |mode|transpile<br>speed*|run-time<br>speed*|bundle<br>size|
 |---|:-:|:-:|:-:|
+|es7 async<br>(native)|-|0.75|-|
 |generators<br>(native)|-|1.0|-|
-|es7.nodent|1.35|1.1|183Kb|
-|es7.regenerator|1.0|2.7|322Kb|
-|regenerator|1.0|3.2|322Kb|
+|es7.nodent|1.35|1.1|215Kb|
+|es7.regenerator|1.0|2.7|1109Kb|
+|regenerator|1.0|3.2|1109Kb|
 
-\* Relative performance in node v.4, smaller is better.
+\* Relative performance in node v.7, smaller is better.
 
 [nodent](https://github.com/MatAtBread/nodent) has several advantages:
 
@@ -555,8 +573,6 @@ See [Options](#options).
 - much better performace than native generators in other browsers
 - works in IE 9 (regenerator does not)
 
-[regenerator](https://github.com/facebook/regenerator) is a more widely adopted alternative.
-
 
 ## Filtering data
 
@@ -731,7 +747,7 @@ console.log(data2); // { foo: { bar: 2 } }
 
 - not in `properties` or `items` subschemas
 - in schemas inside `anyOf`, `oneOf` and `not` (see [#42](https://github.com/epoberezkin/ajv/issues/42))
-- in `if` subschema of v5 `switch` keyword
+- in `if` subschema of `switch` keyword
 - in schemas generated by custom macro keywords
 
 
@@ -795,8 +811,6 @@ See [Coercion rules](https://github.com/epoberezkin/ajv/blob/master/COERCION.md)
 
 Create Ajv instance.
 
-All the instance methods below are bound to the instance, so they can be used without the instance.
-
 
 ##### .compile(Object schema) -&gt; Function&lt;Object data&gt;
 
@@ -807,17 +821,19 @@ Validating function returns boolean and has properties `errors` with the errors
 Unless the option `validateSchema` is false, the schema will be validated against meta-schema and if schema is invalid the error will be thrown. See [options](#options).
 
 
-##### .compileAsync(Object schema, Function callback)
+##### <a name="api-compileAsync"></a>.compileAsync(Object schema [, Boolean meta] [, Function callback]) -&gt; Promise
 
-Asyncronous version of `compile` method that loads missing remote schemas using asynchronous function in `options.loadSchema`. Callback will always be called with 2 parameters: error (or null) and validating function. Error will be not null in the following cases:
+Asyncronous version of `compile` method that loads missing remote schemas using asynchronous function in `options.loadSchema`. This function returns a Promise that resolves to a validation function. An optional callback passed to `compileAsync` will be called with 2 parameters: error (or null) and validating function. The returned promise will reject (and callback if passed will be called with an error) when:
 
-- missing schema can't be loaded (`loadSchema` calls callback with error).
+- missing schema can't be loaded (`loadSchema` returns the Promise that rejects).
 - the schema containing missing reference is loaded, but the reference cannot be resolved.
 - schema (or some referenced schema) is invalid.
 
-The function compiles schema and loads the first missing schema multiple times, until all missing schemas are loaded.
+The function compiles schema and loads the first missing schema (or meta-schema), until all missing schemas are loaded.
 
-See example in [Asynchronous compilation](#asynchronous-compilation).
+You can asynchronously compile meta-schema by passing `true` as the second parameter.
+
+See example in [Asynchronous compilation](#asynchronous-schema-compilation).
 
 
 ##### .validate(Object schema|String key|String ref, data) -&gt; Boolean
@@ -853,18 +869,16 @@ By default the schema is validated against meta-schema before it is added, and i
 
 Adds meta schema(s) that can be used to validate other schemas. That function should be used instead of `addSchema` because there may be instance options that would compile a meta schema incorrectly (at the moment it is `removeAdditional` option).
 
-There is no need to explicitly add draft 4 meta schema (http://json-schema.org/draft-04/schema and http://json-schema.org/schema) - it is added by default, unless option `meta` is set to `false`. You only need to use it if you have a changed meta-schema that you want to use to validate your schemas. See `validateSchema`.
-
-With option `v5: true` [meta-schema that includes v5 keywords](https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/json-schema-v5.json) also added.
+There is no need to explicitly add draft 6 meta schema (http://json-schema.org/draft-06/schema and http://json-schema.org/schema) - it is added by default, unless option `meta` is set to `false`. You only need to use it if you have a changed meta-schema that you want to use to validate your schemas. See `validateSchema`.
 
 
 ##### <a name="api-validateschema"></a>.validateSchema(Object schema) -&gt; Boolean
 
-Validates schema. This method should be used to validate schemas rather than `validate` due to the inconsistency of `uri` format in JSON-Schema standard.
+Validates schema. This method should be used to validate schemas rather than `validate` due to the inconsistency of `uri` format in JSON Schema standard.
 
 By default this method is called automatically when the schema is added, so you rarely need to use it directly.
 
-If schema doesn't have `$schema` property it is validated against draft 4 meta-schema (option `meta` should not be false) or against [v5 meta-schema](https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/json-schema-v5.json#) if option `v5` is true.
+If schema doesn't have `$schema` property it is validated against draft 6 meta-schema (option `meta` should not be false).
 
 If schema has `$schema` property then the schema with this id (that should be previously added) is used to validate passed schema.
 
@@ -891,7 +905,7 @@ If no parameter is passed all schemas but meta-schemas will be removed and the c
 
 ##### <a name="api-addformat"></a>.addFormat(String name, String|RegExp|Function|Object format)
 
-Add custom format to validate strings. It can also be used to replace pre-defined formats for Ajv instance.
+Add custom format to validate strings or numbers. It can also be used to replace pre-defined formats for Ajv instance.
 
 Strings are converted to RegExp.
 
@@ -900,8 +914,9 @@ Function should return validation result as `true` or `false`.
 If object is passed it should have properties `validate`, `compare` and `async`:
 
 - _validate_: a string, RegExp or a function as described above.
-- _compare_: an optional comparison function that accepts two strings and compares them according to the format meaning. This function is used with keywords `formatMaximum`/`formatMinimum` (from [v5 proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) - `v5` option should be used). It should return `1` if the first value is bigger than the second value, `-1` if it is smaller and `0` if it is equal.
+- _compare_: an optional comparison function that accepts two strings and compares them according to the format meaning. This function is used with keywords `formatMaximum`/`formatMinimum` (defined in [ajv-keywords](https://github.com/epoberezkin/ajv-keywords) package). It should return `1` if the first value is bigger than the second value, `-1` if it is smaller and `0` if it is equal.
 - _async_: an optional `true` value if `validate` is an asynchronous function; in this case it should return a promise that resolves with a value `true` or `false`.
+- _type_: an optional type of data that the format applies to. It can be `"string"` (default) or `"number"` (see https://github.com/epoberezkin/ajv/issues/291#issuecomment-259923858). If the type of data is different, the validation will pass.
 
 Custom formats can be also added via `formats` option.
 
@@ -970,7 +985,7 @@ Defaults:
 ```javascript
 {
   // validation and reporting options:
-  v5:               false,
+  $data:            false,
   allErrors:        false,
   verbose:          false,
   jsonPointers:     false,
@@ -978,19 +993,20 @@ Defaults:
   unicode:          true,
   format:           'fast',
   formats:          {},
-  unknownFormats:   'ignore',
+  unknownFormats:   true,
   schemas:          {},
   // referenced schema options:
+  schemaId:         undefined // recommended '$id'
   missingRefs:      true,
-  extendRefs:       true,
-  loadSchema:       undefined, // function(uri, cb) { /* ... */ cb(err, schema); },
+  extendRefs:       'ignore', // recommended 'fail'
+  loadSchema:       undefined, // function(uri: string): Promise {}
   // options to modify validated data:
   removeAdditional: false,
   useDefaults:      false,
   coerceTypes:      false,
   // asynchronous validation options:
-  async:            undefined,
-  transpile:        undefined,
+  async:            'co*',
+  transpile:        undefined, // requires ajv-async package
   // advanced options:
   meta:             true,
   validateSchema:   true,
@@ -1001,16 +1017,17 @@ Defaults:
   ownProperties:    false,
   multipleOfPrecision: false,
   errorDataPath:    'object',
-  sourceCode:       true,
   messages:         true,
-  beautify:         false,
-  cache:            new Cache
+  sourceCode:       false,
+  processCode:      undefined, // function (str: string): string {}
+  cache:            new Cache,
+  serialize:        undefined
 }
 ```
 
 ##### Validation and reporting options
 
-- _v5_: add keywords `switch`, `constant`, `contains`, `patternGroups`, `patternRequired`, `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum` from [JSON-schema v5 proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals). With this option added schemas without `$schema` property are validated against [v5 meta-schema](https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/json-schema-v5.json#). `false` by default.
+- _$data_: support [$data references](#data-reference). Draft 6 meta-schema that is added by default will be extended to allow them. If you want to use another meta-schema you need to use $dataMetaSchema method to add support for $data reference. See [API](#api).
 - _allErrors_: check all rules collecting all errors. Default is to return after the first error.
 - _verbose_: include the reference to the part of the schema (`schema` and `parentSchema`) and validated data in errors (false by default).
 - _jsonPointers_: set `dataPath` propery of errors using [JSON Pointers](https://tools.ietf.org/html/rfc6901) instead of JavaScript property access notation.
@@ -1019,23 +1036,27 @@ Defaults:
 - _format_: formats validation mode ('fast' by default). Pass 'full' for more correct and slow validation or `false` not to validate formats at all. E.g., 25:00:00 and 2015/14/33 will be invalid time and date in 'full' mode but it will be valid in 'fast' mode.
 - _formats_: an object with custom formats. Keys and values will be passed to `addFormat` method.
 - _unknownFormats_: handling of unknown formats. Option values:
-  - `true` (will be default in 5.0.0) - if the unknown format is encountered the exception is thrown during schema compilation. If `format` keyword value is [v5 $data reference](#data-reference) and it is unknown the validation will fail.
-  - `[String]` - an array of unknown format names that will be ignored. This option can be used to allow usage of third party schemas with format(s) for which you don't have definitions, but still fail if some other unknown format is used. If `format` keyword value is [v5 $data reference](#data-reference) and it is not in this array the validation will fail.
-  - `"ignore"` (default now) - to log warning during schema compilation and always pass validation. This option is not recommended, as it allows to mistype format name. This behaviour is required by JSON-schema specification.
+  - `true` (default) - if an unknown format is encountered the exception is thrown during schema compilation. If `format` keyword value is [$data reference](#data-reference) and it is unknown the validation will fail.
+  - `[String]` - an array of unknown format names that will be ignored. This option can be used to allow usage of third party schemas with format(s) for which you don't have definitions, but still fail if another unknown format is used. If `format` keyword value is [$data reference](#data-reference) and it is not in this array the validation will fail.
+  - `"ignore"` - to log warning during schema compilation and always pass validation (the default behaviour in versions before 5.0.0). This option is not recommended, as it allows to mistype format name and it won't be validated without any error message. This behaviour is required by JSON-schema specification.
 - _schemas_: an array or object of schemas that will be added to the instance. If the order is important, pass array. In this case schemas must have IDs in them. Otherwise the object can be passed - `addSchema(value, key)` will be called for each schema in this object.
 
 
 ##### Referenced schema options
 
+- _schemaId_: this option defines which keywords are used as schema URI. Option value:
+  - `"$id"` (recommended) - only use `$id` keyword as schema URI (as specified in JSON Schema draft-06), ignore `id` keyword (if it is present a warning will be logged).
+  - `"id"` - only use `id` keyword as schema URI (as specified in JSON Schema draft-04), ignore `$id` keyword (if it is present a warning will be logged).
+  - `undefined` (default) - use both `$id` and `id` keywords as schema URI. If both are present (in the same schema object) and different the exception will be thrown during schema compilation.
 - _missingRefs_: handling of missing referenced schemas. Option values:
   - `true` (default) - if the reference cannot be resolved during compilation the exception is thrown. The thrown error has properties `missingRef` (with hash fragment) and `missingSchema` (without it). Both properties are resolved relative to the current base id (usually schema id, unless it was substituted).
   - `"ignore"` - to log error during compilation and always pass validation.
   - `"fail"` - to log error and successfully compile schema but fail validation if this rule is checked.
 - _extendRefs_: validation of other keywords when `$ref` is present in the schema. Option values:
-  - `true` (default) - validate all keywords in the schemas with `$ref`.
-  - `"ignore"` - when `$ref` is used other keywords are ignored (as per [JSON Reference](https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03#section-3) standard). A warning will be logged during the schema compilation.
-  - `"fail"` - if other validation keywords are used together with `$ref` the exception will be throw when the schema is compiled.
-- _loadSchema_: asynchronous function that will be used to load remote schemas when the method `compileAsync` is used and some reference is missing (option `missingRefs` should NOT be 'fail' or 'ignore'). This function should accept 2 parameters: remote schema uri and node-style callback. See example in [Asynchronous compilation](#asynchronous-compilation).
+  - `"ignore"` (default) - when `$ref` is used other keywords are ignored (as per [JSON Reference](https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03#section-3) standard). A warning will be logged during the schema compilation.
+  - `"fail"` (recommended) - if other validation keywords are used together with `$ref` the exception will be thrown when the schema is compiled. This option is recomended to make sure schema has no keywords that are ignored, which can be confusing.
+  - `true` - validate all keywords in the schemas with `$ref` (the default behaviour in versions before 5.0.0).
+- _loadSchema_: asynchronous function that will be used to load remote schemas when `compileAsync` [method](#api-compileAsync) is used and some reference is missing (option `missingRefs` should NOT be 'fail' or 'ignore'). This function should accept remote schema uri as a parameter and return a Promise that resolves to a schema. See example in [Asynchronous compilation](#asynchronous-schema-compilation).
 
 
 ##### Options to modify validated data
@@ -1058,42 +1079,54 @@ Defaults:
 ##### Asynchronous validation options
 
 - _async_: determines how Ajv compiles asynchronous schemas (see [Asynchronous validation](#asynchronous-validation)) to functions. Option values:
-  - `"*"` / `"co*"` - compile to generator function ("co*" - wrapped with `co.wrap`). If generators are not supported and you don't provide `transpile` option, the exception will be thrown when Ajv instance is created.
-  - `"es7"` - compile to es7 async function. Unless your platform supports them you need to provide `transpile` option. Currently only MS Edge 13 with flag supports es7 async functions according to [compatibility table](http://kangax.github.io/compat-table/es7/)).
-  - `true` - if transpile option is not passed Ajv will choose the first supported/installed async/transpile modes in this order: "co*" (native generator with co.wrap), "es7"/"nodent", "co*"/"regenerator" during the creation of the Ajv instance. If none of the options is available the exception will be thrown.
-  - `undefined`- Ajv will choose the first available async mode in the same way as with `true` option but when the first asynchronous schema is compiled.
-- _transpile_: determines whether Ajv transpiles compiled asynchronous validation function. Option values:
+  - `"*"` / `"co*"` (default) - compile to generator function ("co*" - wrapped with `co.wrap`). If generators are not supported and you don't provide `processCode` option (or `transpile` option if you use [ajv-async](https://github.com/epoberezkin/ajv-async) package), the exception will be thrown when async schema is compiled.
+  - `"es7"` - compile to es7 async function. Unless your platform supports them you need to provide `processCode`/`transpile` option. According to [compatibility table](http://kangax.github.io/compat-table/es7/)) async functions are supported by:
+    - Firefox 52,
+    - Chrome 55,
+    - Node.js 7 (with `--harmony-async-await`),
+    - MS Edge 13 (with flag).
+  - `undefined`/`true` - auto-detect async mode. It requires [ajv-async](https://github.com/epoberezkin/ajv-async) package. If transpile option is not passed ajv-async will choose the first of supported/installed async/transpile modes in this order:
+    - "es7" (native async functions),
+    - "co*" (native generators with co.wrap),
+    - "es7"/"nodent",
+    - "co*"/"regenerator" during the creation of the Ajv instance.
+
+  If none of the options is available the exception will be thrown.
+- _transpile_: Requires [ajv-async](https://github.com/epoberezkin/ajv-async) package. It determines whether Ajv transpiles compiled asynchronous validation function. Option values:
   - `"nodent"` - transpile with [nodent](https://github.com/MatAtBread/nodent). If nodent is not installed, the exception will be thrown. nodent can only transpile es7 async functions; it will enforce this mode.
   - `"regenerator"` - transpile with [regenerator](https://github.com/facebook/regenerator). If regenerator is not installed, the exception will be thrown.
-  - a function - this function should accept the code of validation function as a string and return transpiled code. This option allows you to use any other transpiler you prefer.
+  - a function - this function should accept the code of validation function as a string and return transpiled code. This option allows you to use any other transpiler you prefer. If you are passing a function, you can simply pass it to `processCode` option without using ajv-async.
 
 
 ##### Advanced options
 
-- _meta_: add [meta-schema](http://json-schema.org/documentation.html) so it can be used by other schemas (true by default). With option `v5: true` [v5 meta-schema](https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/json-schema-v5.json#) will be added as well. If an object is passed, it will be used as the default meta-schema for schemas that have no `$schema` keyword. This default meta-schema MUST have `$schema` keyword.
+- _meta_: add [meta-schema](http://json-schema.org/documentation.html) so it can be used by other schemas (true by default). If an object is passed, it will be used as the default meta-schema for schemas that have no `$schema` keyword. This default meta-schema MUST have `$schema` keyword.
 - _validateSchema_: validate added/compiled schemas against meta-schema (true by default). `$schema` property in the schema can either be http://json-schema.org/schema or http://json-schema.org/draft-04/schema or absent (draft-4 meta-schema will be used) or can be a reference to the schema previously added with `addMetaSchema` method. Option values:
   - `true` (default) -  if the validation fails, throw the exception.
   - `"log"` - if the validation fails, log error.
   - `false` - skip schema validation.
-- _addUsedSchema_: by default methods `compile` and `validate` add schemas to the instance if they have `id` property that doesn't start with "#". If `id` is present and it is not unique the exception will be thrown. Set this option to `false` to skip adding schemas to the instance and the `id` uniqueness check when these methods are used. This option does not affect `addSchema` method.
+- _addUsedSchema_: by default methods `compile` and `validate` add schemas to the instance if they have `$id` (or `id`) property that doesn't start with "#". If `$id` is present and it is not unique the exception will be thrown. Set this option to `false` to skip adding schemas to the instance and the `$id` uniqueness check when these methods are used. This option does not affect `addSchema` method.
 - _inlineRefs_: Affects compilation of referenced schemas. Option values:
   - `true` (default) - the referenced schemas that don't have refs in them are inlined, regardless of their size - that substantially improves performance at the cost of the bigger size of compiled schema functions.
   - `false` - to not inline referenced schemas (they will be compiled as separate functions).
   - integer number - to limit the maximum number of keywords of the schema that will be inlined.
 - _passContext_: pass validation context to custom keyword functions. If this option is `true` and you pass some context to the compiled validation function with `validate.call(context, data)`, the `context` will be available as `this` in your custom keywords. By default `this` is Ajv instance.
 - _loopRequired_: by default `required` keyword is compiled into a single expression (or a sequence of statements in `allErrors` mode). In case of a very large number of properties in this keyword it may result in a very big validation function. Pass integer to set the number of properties above which `required` keyword will be validated in a loop - smaller validation function size but also worse performance.
-- _ownProperties_: by default ajv iterates over all enumerable object properties; when this option is `true` only own enumerable object properties (i.e. found directly on the object rather than on its prototype) are iterated. Contributed by @mbroadst.
+- _ownProperties_: by default Ajv iterates over all enumerable object properties; when this option is `true` only own enumerable object properties (i.e. found directly on the object rather than on its prototype) are iterated. Contributed by @mbroadst.
 - _multipleOfPrecision_: by default `multipleOf` keyword is validated by comparing the result of division with parseInt() of that result. It works for dividers that are bigger than 1. For small dividers such as 0.01 the result of the division is usually not integer (even when it should be integer, see issue [#84](https://github.com/epoberezkin/ajv/issues/84)). If you need to use fractional dividers set this option to some positive integer N to have `multipleOf` validated using this formula: `Math.abs(Math.round(division) - division) < 1e-N` (it is slower but allows for float arithmetics deviations).
 - _errorDataPath_: set `dataPath` to point to 'object' (default) or to 'property' when validating keywords `required`, `additionalProperties` and `dependencies`.
-- _sourceCode_: add `sourceCode` property to validating function (for debugging; this code can be different from the result of toString call).
 - _messages_: Include human-readable messages in errors. `true` by default. `false` can be passed when custom messages are used (e.g. with [ajv-i18n](https://github.com/epoberezkin/ajv-i18n)).
-- _beautify_: format the generated function with [js-beautify](https://github.com/beautify-web/js-beautify) (the validating function is generated without line-breaks). `npm install js-beautify` to use this option. `true` or js-beautify options can be passed.
+- _sourceCode_: add `sourceCode` property to validating function (for debugging; this code can be different from the result of toString call).
+- _processCode_: an optional function to process generated code before it is passed to Function constructor. It can be used to either beautify (the validating function is generated without line-breaks) or to transpile code. Starting from version 5.0.0 this option replaced options:
+  - `beautify` that formatted the generated function using [js-beautify](https://github.com/beautify-web/js-beautify). If you want to beautify the generated code pass `require('js-beautify').js_beautify`.
+  - `transpile` that transpiled asynchronous validation function. You can still use `transpile` option with [ajv-async](https://github.com/epoberezkin/ajv-async) package. See [Asynchronous validation](#asynchronous-validation) for more information. 
 - _cache_: an optional instance of cache to store compiled schemas using stable-stringified schema as a key. For example, set-associative cache [sacjs](https://github.com/epoberezkin/sacjs) can be used. If not passed then a simple hash is used which is good enough for the common use case (a limited number of statically defined schemas). Cache should have methods `put(key, value)`, `get(key)`, `del(key)` and `clear()`.
+- _serialize_: an optional function to serialize schema to cache key. Pass `false` to use schema itself as a key (e.g., if WeakMap used as a cache). By default [json-stable-stringify](https://github.com/substack/json-stable-stringify) is used.
 
 
 ## Validation errors
 
-In case of validation failure Ajv assigns the array of errors to `.errors` property of validation function (or to `.errors` property of Ajv instance in case `validate` or `validateSchema` methods were called). In case of [asynchronous validation](#asynchronous-validation) the returned promise is rejected with the exception of the class `Ajv.ValidationError` that has `.errors` poperty.
+In case of validation failure Ajv assigns the array of errors to `.errors` property of validation function (or to `.errors` property of Ajv instance in case `validate` or `validateSchema` methods were called). In case of [asynchronous validation](#asynchronous-validation) the returned promise is rejected with the exception of the class `Ajv.ValidationError` that has `.errors` property.
 
 
 ### Error objects
@@ -1109,6 +1142,8 @@ Each error is an object with the following properties:
 - _parentSchema_: the schema containing the keyword (added with `verbose` option)
 - _data_: the data validated by the keyword (added with `verbose` option).
 
+__Please note__: `propertyNames` keyword schema validation errors have an additional property `propertyName`, `dataPath` points to the object. After schema validation for each property name, if it is invalid an additional error is added with the property `keyword` equal to `"propertyNames"`.
+
 
 ### Error parameters
 
@@ -1117,10 +1152,6 @@ Properties of `params` object in errors depend on the keyword that failed valida
 - `maxItems`, `minItems`, `maxLength`, `minLength`, `maxProperties`, `minProperties` - property `limit` (number, the schema of the keyword).
 - `additionalItems` - property `limit` (the maximum number of allowed items in case when `items` keyword is an array of schemas and `additionalItems` is false).
 - `additionalProperties` - property `additionalProperty` (the property not used in `properties` and `patternProperties` keywords).
-- `patternGroups` (with v5 option) - properties:
-  - `pattern`
-  - `reason` ("minimum"/"maximum"),
-  - `limit` (max/min allowed number of properties matching number)
 - `dependencies` - properties:
   - `property` (dependent property),
   - `missingProperty` (required missing dependency - only the first one is reported currently)
@@ -1134,7 +1165,8 @@ Properties of `params` object in errors depend on the keyword that failed valida
 - `multipleOf` - property `multipleOf` (the schema of the keyword)
 - `pattern` - property `pattern` (the schema of the keyword)
 - `required` - property `missingProperty` (required property that is missing).
-- `patternRequired` (with v5 option) - property `missingPattern` (required pattern that did not match any property).
+- `propertyNames` - property `propertyName` (an invalid property name).
+- `patternRequired` (in ajv-keywords) - property `missingPattern` (required pattern that did not match any property).
 - `type` - property `type` (required type(s), a string, can be a comma-separated list)
 - `uniqueItems` - properties `i` and `j` (indices of duplicate items).
 - `enum` - property `allowedValues` pointing to the array of values (the schema of the keyword).
@@ -1146,8 +1178,9 @@ Properties of `params` object in errors depend on the keyword that failed valida
 
 - [ajv-cli](https://github.com/epoberezkin/ajv-cli) - command line interface for Ajv
 - [ajv-i18n](https://github.com/epoberezkin/ajv-i18n) - internationalised error messages
-- [ajv-merge-patch](https://github.com/epoberezkin/ajv-merge-patch) - keywords $merge and $patch from v5 proposals.
+- [ajv-merge-patch](https://github.com/epoberezkin/ajv-merge-patch) - keywords $merge and $patch.
 - [ajv-keywords](https://github.com/epoberezkin/ajv-keywords) - several custom keywords that can be used with Ajv (typeof, instanceof, range, propertyNames)
+- [ajv-errors](https://github.com/epoberezkin/ajv-errors) - custom error messages for Ajv
 
 
 ## Some packages using Ajv
@@ -1167,7 +1200,7 @@ Properties of `params` object in errors depend on the keyword that failed valida
 - [rabbitmq-schema](https://github.com/tjmehta/rabbitmq-schema) - a schema definition module for RabbitMQ graphs and messages
 - [@query/schema](https://www.npmjs.com/package/@query/schema) - stream filtering with a URI-safe query syntax parsing to JSON Schema
 - [chai-ajv-json-schema](https://github.com/peon374/chai-ajv-json-schema) - chai plugin to us JSON-schema with expect in mocha tests
-- [grunt-jsonschema-ajv](https://github.com/SignpostMarv/grunt-jsonschema-ajv) - Grunt plugin for validating files against JSON-Schema
+- [grunt-jsonschema-ajv](https://github.com/SignpostMarv/grunt-jsonschema-ajv) - Grunt plugin for validating files against JSON Schema
 - [extract-text-webpack-plugin](https://github.com/webpack-contrib/extract-text-webpack-plugin) - extract text from bundle into a file
 - [electron-builder](https://github.com/electron-userland/electron-builder) - a solution to package and build a ready for distribution Electron app 
 - [addons-linter](https://github.com/mozilla/addons-linter) - Mozilla Add-ons Linter
@@ -1197,7 +1230,7 @@ Please see [Contributing guidelines](https://github.com/epoberezkin/ajv/blob/mas
 
 See https://github.com/epoberezkin/ajv/releases
 
-__Please note__: [Changes in version 5.0.1-beta](https://github.com/epoberezkin/ajv/releases/tag/5.0.1-beta.0).
+__Please note__: [Changes in version 5.0.0](https://github.com/epoberezkin/ajv/releases/tag/5.0.0).
 
 [Changes in version 4.6.0](https://github.com/epoberezkin/ajv/releases/tag/4.6.0).
 

tools/eslint/node_modules/ajv/dist/ajv.min.js

@@ -1,6 +1,3 @@
-/* ajv 4.11.8: Another JSON Schema Validator */
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e=this.input.charCodeAt(this.state.pos),t=void 0;if(123===e){var r=++this.state.pos;t=this.readHexChar(this.input.indexOf("}",this.state.pos)-this.state.pos),++this.state.pos,t>1114111&&this.raise(r,"Code point out of bounds")}else t=this.readHexChar(4);return t},e.prototype.readString=function(e){for(var t="",r=++this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated string constant");var n=this.input.charCodeAt(this.state.pos);if(n===e)break;92===n?(t+=this.input.slice(r,this.state.pos),t+=this.readEscapedChar(!1),r=this.state.pos):(u(n)&&this.raise(this.state.start,"Unterminated string constant"),++this.state.pos)}return t+=this.input.slice(r,this.state.pos++),this.finishToken(j.string,t)},e.prototype.readTmplToken=function(){for(var e="",t=this.state.pos;;){this.state.pos>=this.input.length&&this.raise(this.state.start,"Unterminated template");var r=this.input.charCodeAt(this.state.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.state.pos+1))return this.state.pos===this.state.start&&this.match(j.template)?36===r?(this.state.pos+=2,this.finishToken(j.dollarBraceL)):(++this.state.pos,this.finishToken(j.backQuote)):(e+=this.input.slice(t,this.state.pos),this.finishToken(j.template,e));if(92===r)e+=this.input.slice(t,this.state.pos),e+=this.readEscapedChar(!0),t=this.state.pos;else if(u(r)){switch(e+=this.input.slice(t,this.state.pos),++this.state.pos,r){case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}++this.state.curLine,this.state.lineStart=this.state.pos,t=this.state.pos}else++this.state.pos}},e.prototype.readEscapedChar=function(e){var t=this.input.charCodeAt(++this.state.pos);switch(++this.state.pos,t){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return c(this.readCodePoint());case 116:return"\t";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:10===this.input.charCodeAt(this.state.pos)&&++this.state.pos;case 10:return this.state.lineStart=this.state.pos,++this.state.curLine,"";default:if(t>=48&&t<=55){var r=this.input.substr(this.state.pos-1,3).match(/^[0-7]+/)[0],n=parseInt(r,8);return n>255&&(r=r.slice(0,-1),n=parseInt(r,8)),n>0&&(this.state.containsOctal||(this.state.containsOctal=!0,this.state.octalPosition=this.state.pos-2),(this.state.strict||e)&&this.raise(this.state.pos-2,"Octal literal in strict mode")),this.state.pos+=r.length-1,String.fromCharCode(n)}return String.fromCharCode(t)}},e.prototype.readHexChar=function(e){var t=this.state.pos,r=this.readInt(16,e);return null===r&&this.raise(t,"Bad character escape sequence"),r},e.prototype.readWord1=function(){this.state.containsEsc=!1;for(var e="",t=!0,r=this.state.pos;this.state.pos<this.input.length;){var n=this.fullCharCodeAtPos();if(a(n))this.state.pos+=n<=65535?1:2;else{if(92!==n)break;this.state.containsEsc=!0,e+=this.input.slice(r,this.state.pos);var i=this.state.pos;117!==this.input.charCodeAt(++this.state.pos)&&this.raise(this.state.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.state.pos;var o=this.readCodePoint();(t?s:a)(o,!0)||this.raise(i,"Invalid Unicode escape"),e+=c(o),r=this.state.pos}t=!1}return e+this.input.slice(r,this.state.pos)},e.prototype.readWord=function(){var e=this.readWord1(),t=j.name;return!this.state.containsEsc&&this.isKeyword(e)&&(t=N[e]),this.finishToken(t,e)},e.prototype.braceIsBlock=function(e){if(e===j.colon){var t=this.curContext();if(t===U.braceStatement||t===U.braceExpression)return!t.isExpr}return e===j._return?I.test(this.input.slice(this.state.lastTokEnd,this.state.start)):e===j._else||e===j.semi||e===j.eof||e===j.parenR||(e===j.braceL?this.curContext()===U.braceStatement:!this.state.exprAllowed)},e.prototype.updateContext=function(e){var t=this.state.type,r=void 0;t.keyword&&e===j.dot?this.state.exprAllowed=!1:(r=t.updateContext)?r.call(this,e):this.state.exprAllowed=t.beforeExpr},e}(),W={},K=["jsx","doExpressionLine truncated
-;"ObjectProperty"===l.type&&(l=l.value),this.checkLVal(l,t,r,"object destructuring pattern")}break;case"ArrayPattern":for(var c=e.elements,p=Array.isArray(c),h=0,c=p?c:c[Symbol.iterator]();;){var f;if(p){if(h>=c.length)break;f=c[h++]}else{if(h=c.next(),h.done)break;f=h.value}var d=f;d&&this.checkLVal(d,t,r,"array destructuring pattern")}break;case"AssignmentPattern":this.checkLVal(e.left,t,r,"assignment pattern");break;case"RestProperty":this.checkLVal(e.argument,t,r,"rest property");break;case"RestElement":this.checkLVal(e.argument,t,r,"rest element");break;default:var m=(t?"Binding invalid":"Invalid")+" left-hand side"+(n?" in "+n:"expression");this.raise(e.start,m)}};var te=z.prototype;te.checkPropClash=function(e,t){if(!e.computed&&!e.kind){var r=e.key;"__proto__"===("Identifier"===r.type?r.name:String(r.value))&&(t.proto&&this.raise(r.start,"Redefinition of __proto__ property"),t.proto=!0)}},te.getExpression=function(){this.nextToken();var e=this.parseExpression();return this.match(j.eof)||this.unexpected(),e},te.parseExpression=function(e,t){var r=this.state.start,n=this.state.startLoc,i=this.parseMaybeAssign(e,t);if(this.match(j.comma)){var s=this.startNodeAt(r,n);for(s.expressions=[i];this.eat(j.comma);)s.expressions.push(this.parseMaybeAssign(e,t));return this.toReferencedList(s.expressions),this.finishNode(s,"SequenceExpression")}return i},te.parseMaybeAssign=function(e,t,r,n){var i=this.state.start,s=this.state.startLoc;if(this.match(j._yield)&&this.state.inGenerator){var a=this.parseYield();return r&&(a=r.call(this,a,i,s)),a}var o=void 0;t?o=!1:(t={start:0},o=!0),(this.match(j.parenL)||this.match(j.name))&&(this.state.potentialArrowAt=this.state.start);var u=this.parseMaybeConditional(e,t,n);if(r&&(u=r.call(this,u,i,s)),this.state.type.isAssign){var l=this.startNodeAt(i,s);if(l.operator=this.state.value,l.left=this.match(j.eq)?this.toAssignable(u,void 0,"assignment expression"):u,t.start=0,this.checkLVal(u,void 0,void 0,"assignment expression"),u.extra&&u.extra.parenthesized){var c=void 0;"ObjectPattern"===u.type?c="`({a}) = 0` use `({a} = 0)`":"ArrayPattern"===u.type&&(c="`([a]) = 0` use `([a] = 0)`"),c&&this.raise(u.start,"You're trying to assign to a parenthesized expression, eg. instead of "+c)}return this.next(),l.right=this.parseMaybeAssign(e),this.finishNode(l,"AssignmentExpression")}return o&&t.start&&this.unexpected(t.start),u},te.parseMaybeConditional=function(e,t,r){var n=this.state.start,i=this.state.startLoc,s=this.parseExprOps(e,t);return t&&t.start?s:this.parseConditional(s,e,n,i,r)},te.parseConditional=function(e,t,r,n){if(this.eat(j.question)){var i=this.startNodeAt(r,n);return i.test=e,i.consequent=this.parseMaybeAssign(),this.expect(j.colon),i.alternate=this.parseMaybeAssign(t),this.finishNode(i,"ConditionalExpression")}return e},te.parseExprOps=function(e,t){var r=this.state.start,n=this.state.startLoc,i=this.parseMaybeUnary(t);return t&&t.start?i:this.parseExprOp(i,r,n,-1,e)},te.parseExprOp=function(e,t,r,n,i){var s=this.state.type.binop;if(!(null==s||i&&this.match(j._in))&&s>n){var a=this.startNodeAt(t,r);a.left=e,a.operator=this.state.value,"**"!==a.operator||"UnaryExpression"!==e.type||!e.extra||e.extra.parenthesizedArgument||e.extra.parenthesized||this.raise(e.argument.start,"Illegal expression. Wrap left hand side or entire exponentiation in parentheses.");var o=this.state.type;this.next();var u=this.state.start,l=this.state.startLoc;return a.right=this.parseExprOp(this.parseMaybeUnary(),u,l,o.rightAssociative?s-1:s,i),this.finishNode(a,o===j.logicalOR||o===j.logicalAND?"LogicalExpression":"BinaryExpression"),this.parseExprOp(a,t,r,n,i)}return e},te.parseMaybeUnary=function(e){if(this.state.type.prefix){var t=this.startNode(),r=this.match(j.incDec);t.operator=this.state.value,t.prefix=!0,this.next();var n=this.state.type;return t.argument=this.parseMaybeUnary(),this.addExtra(t,"parenthesizedArgument",!(n!==j.parenL||t.argument.extra&&t.argument.extra.parenthesized)),e&&e.start&&this.unexpected(e.start),r?this.checkLVal(t.argument,void 0,void 0,"prefix operation"):this.state.strict&&"delete"===t.operator&&"Identifier"===t.argument.type&&this.raise(t.start,"Deleting local variable in strict mode"),this.finishNode(t,r?"UpdateExpression":"UnaryExpression")}var i=this.state.start,s=this.state.startLoc,a=this.parseExprSubscripts(e);if(e&&e.start)return a;for(;this.state.type.postfix&&!this.canInsertSemicolon();){var o=this.startNodeAt(i,s);o.operator=this.state.value,o.prefix=!1,o.argument=a,this.checkLVal(a,void 0,void 0,"postfix operation"),this.next(),a=this.finishNode(o,"UpdateExpression")}return a},te.parseExprSubscripts=function(e){var t=this.state.start,r=this.state.startLoc,n=this.state.potentialArrowAt,i=this.parseExprAtom(e);return"ArrowFunctionExpression"===i.type&&i.start===n?i:e&&e.start?i:this.parseSubscripts(i,t,r)},te.parseSubscripts=function(e,t,r,n){for(;;){if(!n&&this.eat(j.doubleColon)){var i=this.startNodeAt(t,r);return i.object=e,i.callee=this.parseNoCaLine truncated
-return ue.indexOf(this.state.value)>-1&&this.raise(this.state.start,"Cannot overwrite primitive type "+this.state.value),this.parseIdentifier(e)},le.flowParseTypeAlias=function(e){return e.id=this.flowParseRestrictedIdentifier(),this.isRelational("<")?e.typeParameters=this.flowParseTypeParameterDeclaration():e.typeParameters=null,e.right=this.flowParseTypeInitialiser(j.eq),this.semicolon(),this.finishNode(e,"TypeAlias")},le.flowParseTypeParameter=function(){var e=this.startNode(),t=this.flowParseVariance(),r=this.flowParseTypeAnnotatableIdentifier();return e.name=r.name,e.variance=t,e.bound=r.typeAnnotation,this.match(j.eq)&&(this.eat(j.eq),e.default=this.flowParseType()),this.finishNode(e,"TypeParameter")},le.flowParseTypeParameterDeclaration=function(){var e=this.state.inType,t=this.startNode();t.params=[],this.state.inType=!0,this.isRelational("<")||this.match(j.jsxTagStart)?this.next():this.unexpected();do{t.params.push(this.flowParseTypeParameter()),this.isRelational(">")||this.expect(j.comma)}while(!this.isRelational(">"));return this.expectRelational(">"),this.state.inType=e,this.finishNode(t,"TypeParameterDeclaration")},le.flowParseTypeParameterInstantiation=function(){var e=this.startNode(),t=this.state.inType;for(e.params=[],this.state.inType=!0,this.expectRelational("<");!this.isRelational(">");)e.params.push(this.flowParseType()),this.isRelational(">")||this.expect(j.comma);return this.expectRelational(">"),this.state.inType=t,this.finishNode(e,"TypeParameterInstantiation")},le.flowParseObjectPropertyKey=function(){return this.match(j.num)||this.match(j.string)?this.parseExprAtom():this.parseIdentifier(!0)},le.flowParseObjectTypeIndexer=function(e,t,r){return e.static=t,this.expect(j.bracketL),this.lookahead().type===j.colon?(e.id=this.flowParseObjectPropertyKey(),e.key=this.flowParseTypeInitialiser()):(e.id=null,e.key=this.flowParseType()),this.expect(j.bracketR),e.value=this.flowParseTypeInitialiser(),e.variance=r,this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeIndexer")},le.flowParseObjectTypeMethodish=function(e){for(e.params=[],e.rest=null,e.typeParameters=null,this.isRelational("<")&&(e.typeParameters=this.flowParseTypeParameterDeclaration()),this.expect(j.parenL);this.match(j.name);)e.params.push(this.flowParseFunctionTypeParam()),this.match(j.parenR)||this.expect(j.comma);return this.eat(j.ellipsis)&&(e.rest=this.flowParseFunctionTypeParam()),this.expect(j.parenR),e.returnType=this.flowParseTypeInitialiser(),this.finishNode(e,"FunctionTypeAnnotation")},le.flowParseObjectTypeMethod=function(e,t,r,n){var i=this.startNodeAt(e,t);return i.value=this.flowParseObjectTypeMethodish(this.startNodeAt(e,t)),i.static=r,i.key=n,i.optional=!1,this.flowObjectTypeSemicolon(),this.finishNode(i,"ObjectTypeProperty")},le.flowParseObjectTypeCallProperty=function(e,t){var r=this.startNode();return e.static=t,e.value=this.flowParseObjectTypeMethodish(r),this.flowObjectTypeSemicolon(),this.finishNode(e,"ObjectTypeCallProperty")},le.flowParseObjectType=function(e,t){var r=this.state.inType;this.state.inType=!0;var n=this.startNode(),i=void 0,s=void 0,a=!1;n.callProperties=[],n.properties=[],n.indexers=[];var o=void 0,u=void 0;for(t&&this.match(j.braceBarL)?(this.expect(j.braceBarL),o=j.braceBarR,u=!0):(this.expect(j.braceL),o=j.braceR,u=!1),n.exact=u;!this.match(o);){var l=!1,c=this.state.start,p=this.state.startLoc;i=this.startNode(),e&&this.isContextual("static")&&this.lookahead().type!==j.colon&&(this.next(),a=!0);var h=this.state.start,f=this.flowParseVariance();this.match(j.bracketL)?n.indexers.push(this.flowParseObjectTypeIndexer(i,a,f)):this.match(j.parenL)||this.isRelational("<")?(f&&this.unexpected(h),n.callProperties.push(this.flowParseObjectTypeCallProperty(i,a))):(s=this.flowParseObjectPropertyKey(),this.isRelational("<")||this.match(j.parenL)?(f&&this.unexpected(h),n.properties.push(this.flowParseObjectTypeMethod(c,p,a,s))):(this.eat(j.question)&&(l=!0),i.key=s,i.value=this.flowParseTypeInitialiser(),i.optional=l,i.static=a,i.variance=f,this.flowObjectTypeSemicolon(),n.properties.push(this.finishNode(i,"ObjectTypeProperty")))),a=!1}this.expect(o);var d=this.finishNode(n,"ObjectTypeAnnotation");return this.state.inType=r,d},le.flowObjectTypeSemicolon=function(){this.eat(j.semi)||this.eat(j.comma)||this.match(j.braceR)||this.match(j.braceBarR)||this.unexpected()},le.flowParseQualifiedTypeIdentifier=function(e,t,r){e=e||this.state.start,t=t||this.state.startLoc;for(var 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n=e.getValue(),i=f.getFieldValue(n,"leading"),o=f.getFieldValue(n,"trailing");i||o&&!d.Statement.check(r)&&"Block"!==n.type&&"CommentBlock"!==n.type?s.push(c(e,t)):o&&a.push(p(e,t))},"comments"),s.push.apply(s,a),v(s)}},{"./lines":553,"./types":559,"./util":560,assert:3,private:537}],552:[function(e,t,r){function n(e){o.ok(this instanceof n),this.stack=[e]}function i(e,t){for(var r=e.stack,n=r.length-1;n>=0;n-=2){var i=r[n];if(l.Node.check(i)&&--t<0)return i}return null}function s(e){return l.BinaryExpression.check(e)||l.LogicalExpression.check(e)}function a(e){return!!l.CallExpression.check(e)||(c.check(e)?e.some(a):!!l.Node.check(e)&&u.someField(e,function(e,t){return a(t)}))}var o=e("assert"),u=e("./types"),l=u.namedTypes,c=(l.Node,u.builtInTypes.array),p=u.builtInTypes.number,h=n.prototype;t.exports=n,n.from=function(e){if(e instanceof n)return e.copy();if(e instanceof u.NodePath){for(var t,r=Object.create(n.prototype),i=[e.value];t=e.parentPath;e=t)i.push(e.nameLine truncated
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r,n=t||i.Messages.UnexpectedToken;if(e?(t||(n=e.type===a.Token.EOF?i.Messages.UnexpectedEOS:e.type===a.Token.Identifier?i.Messages.UnexpectedIdentifier:e.type===a.Token.NumericLiteral?i.Messages.UnexpectedNumber:e.type===a.Token.StringLiteral?i.Messages.UnexpectedString:e.type===a.Token.Template?i.Messages.UnexpectedTemplate:i.Messages.UnexpectedToken,e.type===a.Token.Keyword&&(this.scanner.isFutureReservedWord(e.value)?n=i.Messages.UnexpectedReserved:this.context.strict&&this.scanner.isStrictModeReservedWord(e.value)&&(n=i.Messages.StrictReservedWord))),r=e.type===a.Token.Template?e.value.raw:e.value):r="ILLEGAL",n=n.replace("%0",r),e&&"number"==typeof e.lineNumber){var s=e.start,o=e.lineNumber,u=e.start-this.lastMarker.lineStart+1;return this.errorHandler.createError(s,o,u,n)}var s=this.lastMarker.index,o=this.lastMarker.lineNumber,u=s-this.lastMarker.lineStart+1;return this.errorHandler.createError(s,o,u,n)},e.prototype.throwUnexpectedToken=function(e,t){throw 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tools/eslint/node_modules/ajv/lib/$data.js

@@ -0,0 +1,49 @@
+'use strict';
+
+var KEYWORDS = [
+  'multipleOf',
+  'maximum',
+  'exclusiveMaximum',
+  'minimum',
+  'exclusiveMinimum',
+  'maxLength',
+  'minLength',
+  'pattern',
+  'additionalItems',
+  'maxItems',
+  'minItems',
+  'uniqueItems',
+  'maxProperties',
+  'minProperties',
+  'required',
+  'additionalProperties',
+  'enum',
+  'format',
+  'const'
+];
+
+module.exports = function (metaSchema, keywordsJsonPointers) {
+  for (var i=0; i<keywordsJsonPointers.length; i++) {
+    metaSchema = JSON.parse(JSON.stringify(metaSchema));
+    var segments = keywordsJsonPointers[i].split('/');
+    var keywords = metaSchema;
+    var j;
+    for (j=1; j<segments.length; j++)
+      keywords = keywords[segments[j]];
+
+    for (j=0; j<KEYWORDS.length; j++) {
+      var key = KEYWORDS[j];
+      var schema = keywords[key];
+      if (schema) {
+        keywords[key] = {
+          anyOf: [
+            schema,
+            { $ref: 'https://raw.githubusercontent.com/epoberezkin/ajv/master/lib/refs/$data.json#' }
+          ]
+        };
+      }
+    }
+  }
+
+  return metaSchema;
+};

tools/eslint/node_modules/ajv/lib/ajv.d.ts

@@ -7,26 +7,28 @@ declare namespace ajv {
   interface Ajv {
     /**
     * Validate data using schema
-    * Schema will be compiled and cached (using serialized JSON as key. [json-stable-stringify](https://github.com/substack/json-stable-stringify) is used to serialize.
-    * @param  {String|Object} schemaKeyRef key, ref or schema object
+    * Schema will be compiled and cached (using serialized JSON as key, [json-stable-stringify](https://github.com/substack/json-stable-stringify) is used to serialize by default).
+    * @param  {String|Object|Boolean} schemaKeyRef key, ref or schema object
     * @param  {Any} data to be validated
     * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
     */
-    validate(schemaKeyRef: Object | string, data: any): boolean;
+    validate(schemaKeyRef: Object | string | boolean, data: any): boolean | Thenable<any>;
     /**
     * Create validating function for passed schema.
-    * @param  {Object} schema schema object
+    * @param  {Object|Boolean} schema schema object
     * @return {Function} validating function
     */
-    compile(schema: Object): ValidateFunction;
+    compile(schema: Object | boolean): ValidateFunction;
     /**
     * Creates validating function for passed schema with asynchronous loading of missing schemas.
     * `loadSchema` option should be a function that accepts schema uri and node-style callback.
     * @this  Ajv
-    * @param {Object}   schema schema object
-    * @param {Function} callback node-style callback, it is always called with 2 parameters: error (or null) and validating function.
+    * @param {Object|Boolean} schema schema object
+    * @param {Boolean} meta optional true to compile meta-schema; this parameter can be skipped
+    * @param {Function} callback optional node-style callback, it is always called with 2 parameters: error (or null) and validating function.
+    * @return {Thenable<ValidateFunction>} validating function
     */
-    compileAsync(schema: Object, callback: (err: Error, validate: ValidateFunction) => any): void;
+    compileAsync(schema: Object | boolean, meta?: Boolean, callback?: (err: Error, validate: ValidateFunction) => any): Thenable<ValidateFunction>;
     /**
     * Adds schema to the instance.
     * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
@@ -42,10 +44,10 @@ declare namespace ajv {
     addMetaSchema(schema: Object, key?: string): void;
     /**
     * Validate schema
-    * @param {Object} schema schema to validate
+    * @param {Object|Boolean} schema schema to validate
     * @return {Boolean} true if schema is valid
     */
-    validateSchema(schema: Object): boolean;
+    validateSchema(schema: Object | boolean): boolean;
     /**
     * Get compiled schema from the instance by `key` or `ref`.
     * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
@@ -57,9 +59,9 @@ declare namespace ajv {
     * If no parameter is passed all schemas but meta-schemas are removed.
     * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
     * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
-    * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+    * @param  {String|Object|RegExp|Boolean} schemaKeyRef key, ref, pattern to match key/ref or schema object
     */
-    removeSchema(schemaKeyRef?: Object | string | RegExp): void;
+    removeSchema(schemaKeyRef?: Object | string | RegExp | boolean): void;
     /**
     * Add custom format
     * @param {String} name format name
@@ -107,13 +109,13 @@ declare namespace ajv {
       parentData?: Object | Array<any>,
       parentDataProperty?: string | number,
       rootData?: Object | Array<any>
-    ): boolean | Thenable<boolean>;
+    ): boolean | Thenable<any>;
     errors?: Array<ErrorObject>;
-    schema?: Object;
+    schema?: Object | boolean;
   }
 
   interface Options {
-    v5?: boolean;
+    $data?: boolean;
     allErrors?: boolean;
     verbose?: boolean;
     jsonPointers?: boolean;
@@ -121,28 +123,29 @@ declare namespace ajv {
     unicode?: boolean;
     format?: string;
     formats?: Object;
-    unknownFormats?: boolean | string | Array<string>;
+    unknownFormats?: true | string[] | 'ignore';
     schemas?: Array<Object> | Object;
-    ownProperties?: boolean;
-    missingRefs?: boolean | string;
-    extendRefs?: boolean | string;
-    loadSchema?: (uri: string, cb: (err: Error, schema: Object) => any) => any;
-    removeAdditional?: boolean | string;
-    useDefaults?: boolean | string;
-    coerceTypes?: boolean | string;
+    schemaId?: '$id' | 'id';
+    missingRefs?: true | 'ignore' | 'fail';
+    extendRefs?: true | 'ignore' | 'fail';
+    loadSchema?: (uri: string, cb?: (err: Error, schema: Object) => void) => Thenable<Object | boolean>;
+    removeAdditional?: boolean | 'all' | 'failing';
+    useDefaults?: boolean | 'shared';
+    coerceTypes?: boolean | 'array';
     async?: boolean | string;
     transpile?: string | ((code: string) => string);
     meta?: boolean | Object;
-    validateSchema?: boolean | string;
+    validateSchema?: boolean | 'log';
     addUsedSchema?: boolean;
     inlineRefs?: boolean | number;
     passContext?: boolean;
     loopRequired?: number;
-    multipleOfPrecision?: number;
-    errorDataPath?: string;
+    ownProperties?: boolean;
+    multipleOfPrecision?: boolean | number;
+    errorDataPath?: string,
     messages?: boolean;
     sourceCode?: boolean;
-    beautify?: boolean | Object;
+    processCode?: (code: string) => string;
     cache?: Object;
   }
 
@@ -157,27 +160,30 @@ declare namespace ajv {
   interface KeywordDefinition {
     type?: string | Array<string>;
     async?: boolean;
+    $data?: boolean;
     errors?: boolean | string;
+    metaSchema?: Object;
     // schema: false makes validate not to expect schema (ValidateFunction)
     schema?: boolean;
     modifying?: boolean;
     valid?: boolean;
     // one and only one of the following properties should be present
-    validate?: ValidateFunction | SchemaValidateFunction;
-    compile?: (schema: Object, parentSchema: Object) => ValidateFunction;
-    macro?: (schema: Object, parentSchema: Object) => Object;
-    inline?: (it: Object, keyword: string, schema: Object, parentSchema: Object) => string;
+    validate?: SchemaValidateFunction | ValidateFunction;
+    compile?: (schema: any, parentSchema: Object) => ValidateFunction;
+    macro?: (schema: any, parentSchema: Object) => Object | boolean;
+    inline?: (it: Object, keyword: string, schema: any, parentSchema: Object) => string;
   }
 
   interface SchemaValidateFunction {
     (
-      schema: Object,
+      schema: any,
       data: any,
       parentSchema?: Object,
       dataPath?: string,
       parentData?: Object | Array<any>,
-      parentDataProperty?: string | number
-    ): boolean | Thenable<boolean>;
+      parentDataProperty?: string | number,
+      rootData?: Object | Array<any>
+    ): boolean | Thenable<any>;
     errors?: Array<ErrorObject>;
   }
 
@@ -191,10 +197,12 @@ declare namespace ajv {
     dataPath: string;
     schemaPath: string;
     params: ErrorParameters;
+    // Added to validation errors of propertyNames keyword schema
+    propertyName?: string;
     // Excluded if messages set to false.
     message?: string;
     // These are added with the `verbose` option.
-    schema?: Object;
+    schema?: any;
     parentSchema?: Object;
     data?: any;
   }
@@ -204,7 +212,7 @@ declare namespace ajv {
                           MultipleOfParams | PatternParams | RequiredParams |
                           TypeParams | UniqueItemsParams | CustomParams |
                           PatternGroupsParams | PatternRequiredParams |
-                          SwitchParams | NoParams | EnumParams;
+                          PropertyNamesParams | SwitchParams | NoParams | EnumParams;
 
   interface RefParams {
     ref: string;
@@ -270,6 +278,10 @@ declare namespace ajv {
     missingPattern: string;
   }
 
+  interface PropertyNamesParams {
+    propertyName: string;
+  }
+
   interface SwitchParams {
     caseIndex: number;
   }

tools/eslint/node_modules/ajv/lib/ajv.js

@@ -7,28 +7,41 @@ var compileSchema = require('./compile')
   , stableStringify = require('json-stable-stringify')
   , formats = require('./compile/formats')
   , rules = require('./compile/rules')
-  , v5 = require('./v5')
+  , $dataMetaSchema = require('./$data')
+  , patternGroups = require('./patternGroups')
   , util = require('./compile/util')
-  , async = require('./async')
   , co = require('co');
 
 module.exports = Ajv;
 
-Ajv.prototype.compileAsync = async.compile;
+Ajv.prototype.validate = validate;
+Ajv.prototype.compile = compile;
+Ajv.prototype.addSchema = addSchema;
+Ajv.prototype.addMetaSchema = addMetaSchema;
+Ajv.prototype.validateSchema = validateSchema;
+Ajv.prototype.getSchema = getSchema;
+Ajv.prototype.removeSchema = removeSchema;
+Ajv.prototype.addFormat = addFormat;
+Ajv.prototype.errorsText = errorsText;
 
+Ajv.prototype._addSchema = _addSchema;
+Ajv.prototype._compile = _compile;
+
+Ajv.prototype.compileAsync = require('./compile/async');
 var customKeyword = require('./keyword');
 Ajv.prototype.addKeyword = customKeyword.add;
 Ajv.prototype.getKeyword = customKeyword.get;
 Ajv.prototype.removeKeyword = customKeyword.remove;
-Ajv.ValidationError = require('./compile/validation_error');
 
-var META_SCHEMA_ID = 'http://json-schema.org/draft-04/schema';
-var SCHEMA_URI_FORMAT = /^(?:(?:[a-z][a-z0-9+-.]*:)?\/\/)?[^\s]*$/i;
-function SCHEMA_URI_FORMAT_FUNC(str) {
-  return SCHEMA_URI_FORMAT.test(str);
-}
+var errorClasses = require('./compile/error_classes');
+Ajv.ValidationError = errorClasses.Validation;
+Ajv.MissingRefError = errorClasses.MissingRef;
+Ajv.$dataMetaSchema = $dataMetaSchema;
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-06/schema';
 
 var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes' ];
+var META_SUPPORT_DATA = ['/properties'];
 
 /**
  * Creates validator instance.
@@ -38,383 +51,427 @@ var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes' ];
  */
 function Ajv(opts) {
   if (!(this instanceof Ajv)) return new Ajv(opts);
-  var self = this;
-
   opts = this._opts = util.copy(opts) || {};
   this._schemas = {};
   this._refs = {};
   this._fragments = {};
   this._formats = formats(opts.format);
+  var schemaUriFormat = this._schemaUriFormat = this._formats['uri-reference'];
+  this._schemaUriFormatFunc = function (str) { return schemaUriFormat.test(str); };
+
   this._cache = opts.cache || new Cache;
   this._loadingSchemas = {};
   this._compilations = [];
   this.RULES = rules();
-
-  // this is done on purpose, so that methods are bound to the instance
-  // (without using bind) so that they can be used without the instance
-  this.validate = validate;
-  this.compile = compile;
-  this.addSchema = addSchema;
-  this.addMetaSchema = addMetaSchema;
-  this.validateSchema = validateSchema;
-  this.getSchema = getSchema;
-  this.removeSchema = removeSchema;
-  this.addFormat = addFormat;
-  this.errorsText = errorsText;
-
-  this._addSchema = _addSchema;
-  this._compile = _compile;
+  this._getId = chooseGetId(opts);
 
   opts.loopRequired = opts.loopRequired || Infinity;
-  if (opts.async || opts.transpile) async.setup(opts);
-  if (opts.beautify === true) opts.beautify = { indent_size: 2 };
   if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
-  this._metaOpts = getMetaSchemaOptions();
+  if (opts.serialize === undefined) opts.serialize = stableStringify;
+  this._metaOpts = getMetaSchemaOptions(this);
 
-  if (opts.formats) addInitialFormats();
-  addDraft4MetaSchema();
-  if (opts.v5) v5.enable(this);
-  if (typeof opts.meta == 'object') addMetaSchema(opts.meta);
-  addInitialSchemas();
+  if (opts.formats) addInitialFormats(this);
+  addDraft6MetaSchema(this);
+  if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
+  addInitialSchemas(this);
+  if (opts.patternGroups) patternGroups(this);
+}
 
 
-  /**
-   * Validate data using schema
-   * Schema will be compiled and cached (using serialized JSON as key. [json-stable-stringify](https://github.com/substack/json-stable-stringify) is used to serialize.
-   * @param  {String|Object} schemaKeyRef key, ref or schema object
-   * @param  {Any} data to be validated
-   * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
-   */
-  function validate(schemaKeyRef, data) {
-    var v;
-    if (typeof schemaKeyRef == 'string') {
-      v = getSchema(schemaKeyRef);
-      if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
-    } else {
-      var schemaObj = _addSchema(schemaKeyRef);
-      v = schemaObj.validate || _compile(schemaObj);
-    }
 
-    var valid = v(data);
-    if (v.$async === true)
-      return self._opts.async == '*' ? co(valid) : valid;
-    self.errors = v.errors;
-    return valid;
+/**
+ * Validate data using schema
+ * Schema will be compiled and cached (using serialized JSON as key. [json-stable-stringify](https://github.com/substack/json-stable-stringify) is used to serialize.
+ * @this   Ajv
+ * @param  {String|Object} schemaKeyRef key, ref or schema object
+ * @param  {Any} data to be validated
+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+ */
+function validate(schemaKeyRef, data) {
+  var v;
+  if (typeof schemaKeyRef == 'string') {
+    v = this.getSchema(schemaKeyRef);
+    if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
+  } else {
+    var schemaObj = this._addSchema(schemaKeyRef);
+    v = schemaObj.validate || this._compile(schemaObj);
   }
 
+  var valid = v(data);
+  if (v.$async === true)
+    return this._opts.async == '*' ? co(valid) : valid;
+  this.errors = v.errors;
+  return valid;
+}
 
-  /**
-   * Create validating function for passed schema.
-   * @param  {Object} schema schema object
-   * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
-   * @return {Function} validating function
-   */
-  function compile(schema, _meta) {
-    var schemaObj = _addSchema(schema, undefined, _meta);
-    return schemaObj.validate || _compile(schemaObj);
+
+/**
+ * Create validating function for passed schema.
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
+ * @return {Function} validating function
+ */
+function compile(schema, _meta) {
+  var schemaObj = this._addSchema(schema, undefined, _meta);
+  return schemaObj.validate || this._compile(schemaObj);
+}
+
+
+/**
+ * Adds schema to the instance.
+ * @this   Ajv
+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
+ */
+function addSchema(schema, key, _skipValidation, _meta) {
+  if (Array.isArray(schema)){
+    for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
+    return;
   }
+  var id = this._getId(schema);
+  if (id !== undefined && typeof id != 'string')
+    throw new Error('schema id must be string');
+  key = resolve.normalizeId(key || id);
+  checkUnique(this, key);
+  this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
+}
 
 
-  /**
-   * Adds schema to the instance.
-   * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
-   * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
-   * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
-   * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
-   */
-  function addSchema(schema, key, _skipValidation, _meta) {
-    if (Array.isArray(schema)){
-      for (var i=0; i<schema.length; i++) addSchema(schema[i], undefined, _skipValidation, _meta);
-      return;
-    }
-    // can key/id have # inside?
-    key = resolve.normalizeId(key || schema.id);
-    checkUnique(key);
-    self._schemas[key] = _addSchema(schema, _skipValidation, _meta, true);
+/**
+ * Add schema that will be used to validate other schemas
+ * options in META_IGNORE_OPTIONS are alway set to false
+ * @this   Ajv
+ * @param {Object} schema schema object
+ * @param {String} key optional schema key
+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
+ */
+function addMetaSchema(schema, key, skipValidation) {
+  this.addSchema(schema, key, skipValidation, true);
+}
+
+
+/**
+ * Validate schema
+ * @this   Ajv
+ * @param {Object} schema schema to validate
+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
+ * @return {Boolean} true if schema is valid
+ */
+function validateSchema(schema, throwOrLogError) {
+  var $schema = schema.$schema;
+  if ($schema !== undefined && typeof $schema != 'string')
+    throw new Error('$schema must be a string');
+  $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
+  if (!$schema) {
+    console.warn('meta-schema not available');
+    this.errors = null;
+    return true;
   }
-
-
-  /**
-   * Add schema that will be used to validate other schemas
-   * options in META_IGNORE_OPTIONS are alway set to false
-   * @param {Object} schema schema object
-   * @param {String} key optional schema key
-   * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
-   */
-  function addMetaSchema(schema, key, skipValidation) {
-    addSchema(schema, key, skipValidation, true);
+  var currentUriFormat = this._formats.uri;
+  this._formats.uri = typeof currentUriFormat == 'function'
+                      ? this._schemaUriFormatFunc
+                      : this._schemaUriFormat;
+  var valid;
+  try { valid = this.validate($schema, schema); }
+  finally { this._formats.uri = currentUriFormat; }
+  if (!valid && throwOrLogError) {
+    var message = 'schema is invalid: ' + this.errorsText();
+    if (this._opts.validateSchema == 'log') console.error(message);
+    else throw new Error(message);
   }
+  return valid;
+}
 
 
-  /**
-   * Validate schema
-   * @param {Object} schema schema to validate
-   * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
-   * @return {Boolean} true if schema is valid
-   */
-  function validateSchema(schema, throwOrLogError) {
-    var $schema = schema.$schema || self._opts.defaultMeta || defaultMeta();
-    var currentUriFormat = self._formats.uri;
-    self._formats.uri = typeof currentUriFormat == 'function'
-                        ? SCHEMA_URI_FORMAT_FUNC
-                        : SCHEMA_URI_FORMAT;
-    var valid;
-    try { valid = validate($schema, schema); }
-    finally { self._formats.uri = currentUriFormat; }
-    if (!valid && throwOrLogError) {
-      var message = 'schema is invalid: ' + errorsText();
-      if (self._opts.validateSchema == 'log') console.error(message);
-      else throw new Error(message);
-    }
-    return valid;
-  }
+function defaultMeta(self) {
+  var meta = self._opts.meta;
+  self._opts.defaultMeta = typeof meta == 'object'
+                            ? self._getId(meta) || meta
+                            : self.getSchema(META_SCHEMA_ID)
+                              ? META_SCHEMA_ID
+                              : undefined;
+  return self._opts.defaultMeta;
+}
 
 
-  function defaultMeta() {
-    var meta = self._opts.meta;
-    self._opts.defaultMeta = typeof meta == 'object'
-                              ? meta.id || meta
-                              : self._opts.v5
-                                ? v5.META_SCHEMA_ID
-                                : META_SCHEMA_ID;
-    return self._opts.defaultMeta;
-  }
-
-
-  /**
-   * Get compiled schema from the instance by `key` or `ref`.
-   * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
-   * @return {Function} schema validating function (with property `schema`).
-   */
-  function getSchema(keyRef) {
-    var schemaObj = _getSchemaObj(keyRef);
-    switch (typeof schemaObj) {
-      case 'object': return schemaObj.validate || _compile(schemaObj);
-      case 'string': return getSchema(schemaObj);
-      case 'undefined': return _getSchemaFragment(keyRef);
-    }
-  }
-
-
-  function _getSchemaFragment(ref) {
-    var res = resolve.schema.call(self, { schema: {} }, ref);
-    if (res) {
-      var schema = res.schema
-        , root = res.root
-        , baseId = res.baseId;
-      var v = compileSchema.call(self, schema, root, undefined, baseId);
-      self._fragments[ref] = new SchemaObject({
-        ref: ref,
-        fragment: true,
-        schema: schema,
-        root: root,
-        baseId: baseId,
-        validate: v
-      });
-      return v;
-    }
-  }
-
-
-  function _getSchemaObj(keyRef) {
-    keyRef = resolve.normalizeId(keyRef);
-    return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
-  }
-
-
-  /**
-   * Remove cached schema(s).
-   * If no parameter is passed all schemas but meta-schemas are removed.
-   * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
-   * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
-   * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
-   */
-  function removeSchema(schemaKeyRef) {
-    if (schemaKeyRef instanceof RegExp) {
-      _removeAllSchemas(self._schemas, schemaKeyRef);
-      _removeAllSchemas(self._refs, schemaKeyRef);
-      return;
-    }
-    switch (typeof schemaKeyRef) {
-      case 'undefined':
-        _removeAllSchemas(self._schemas);
-        _removeAllSchemas(self._refs);
-        self._cache.clear();
-        return;
-      case 'string':
-        var schemaObj = _getSchemaObj(schemaKeyRef);
-        if (schemaObj) self._cache.del(schemaObj.jsonStr);
-        delete self._schemas[schemaKeyRef];
-        delete self._refs[schemaKeyRef];
-        return;
-      case 'object':
-        var jsonStr = stableStringify(schemaKeyRef);
-        self._cache.del(jsonStr);
-        var id = schemaKeyRef.id;
-        if (id) {
-          id = resolve.normalizeId(id);
-          delete self._schemas[id];
-          delete self._refs[id];
-        }
-    }
-  }
-
-
-  function _removeAllSchemas(schemas, regex) {
-    for (var keyRef in schemas) {
-      var schemaObj = schemas[keyRef];
-      if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
-        self._cache.del(schemaObj.jsonStr);
-        delete schemas[keyRef];
-      }
-    }
-  }
-
-
-  function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
-    if (typeof schema != 'object') throw new Error('schema should be object');
-    var jsonStr = stableStringify(schema);
-    var cached = self._cache.get(jsonStr);
-    if (cached) return cached;
-
-    shouldAddSchema = shouldAddSchema || self._opts.addUsedSchema !== false;
-
-    var id = resolve.normalizeId(schema.id);
-    if (id && shouldAddSchema) checkUnique(id);
-
-    var willValidate = self._opts.validateSchema !== false && !skipValidation;
-    var recursiveMeta;
-    if (willValidate && !(recursiveMeta = schema.id && schema.id == schema.$schema))
-      validateSchema(schema, true);
-
-    var localRefs = resolve.ids.call(self, schema);
-
-    var schemaObj = new SchemaObject({
-      id: id,
-      schema: schema,
-      localRefs: localRefs,
-      jsonStr: jsonStr,
-      meta: meta
-    });
-
-    if (id[0] != '#' && shouldAddSchema) self._refs[id] = schemaObj;
-    self._cache.put(jsonStr, schemaObj);
-
-    if (willValidate && recursiveMeta) validateSchema(schema, true);
-
-    return schemaObj;
-  }
-
-
-  function _compile(schemaObj, root) {
-    if (schemaObj.compiling) {
-      schemaObj.validate = callValidate;
-      callValidate.schema = schemaObj.schema;
-      callValidate.errors = null;
-      callValidate.root = root ? root : callValidate;
-      if (schemaObj.schema.$async === true)
-        callValidate.$async = true;
-      return callValidate;
-    }
-    schemaObj.compiling = true;
-
-    var currentOpts;
-    if (schemaObj.meta) {
-      currentOpts = self._opts;
-      self._opts = self._metaOpts;
-    }
-
-    var v;
-    try { v = compileSchema.call(self, schemaObj.schema, root, schemaObj.localRefs); }
-    finally {
-      schemaObj.compiling = false;
-      if (schemaObj.meta) self._opts = currentOpts;
-    }
-
-    schemaObj.validate = v;
-    schemaObj.refs = v.refs;
-    schemaObj.refVal = v.refVal;
-    schemaObj.root = v.root;
-    return v;
-
-
-    function callValidate() {
-      var _validate = schemaObj.validate;
-      var result = _validate.apply(null, arguments);
-      callValidate.errors = _validate.errors;
-      return result;
-    }
-  }
-
-
-  /**
-   * Convert array of error message objects to string
-   * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
-   * @param  {Object} options optional options with properties `separator` and `dataVar`.
-   * @return {String} human readable string with all errors descriptions
-   */
-  function errorsText(errors, options) {
-    errors = errors || self.errors;
-    if (!errors) return 'No errors';
-    options = options || {};
-    var separator = options.separator === undefined ? ', ' : options.separator;
-    var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
-
-    var text = '';
-    for (var i=0; i<errors.length; i++) {
-      var e = errors[i];
-      if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
-    }
-    return text.slice(0, -separator.length);
-  }
-
-
-  /**
-   * Add custom format
-   * @param {String} name format name
-   * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
-   */
-  function addFormat(name, format) {
-    if (typeof format == 'string') format = new RegExp(format);
-    self._formats[name] = format;
-  }
-
-
-  function addDraft4MetaSchema() {
-    if (self._opts.meta !== false) {
-      var metaSchema = require('./refs/json-schema-draft-04.json');
-      addMetaSchema(metaSchema, META_SCHEMA_ID, true);
-      self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
-    }
-  }
-
-
-  function addInitialSchemas() {
-    var optsSchemas = self._opts.schemas;
-    if (!optsSchemas) return;
-    if (Array.isArray(optsSchemas)) addSchema(optsSchemas);
-    else for (var key in optsSchemas) addSchema(optsSchemas[key], key);
-  }
-
-
-  function addInitialFormats() {
-    for (var name in self._opts.formats) {
-      var format = self._opts.formats[name];
-      addFormat(name, format);
-    }
-  }
-
-
-  function checkUnique(id) {
-    if (self._schemas[id] || self._refs[id])
-      throw new Error('schema with key or id "' + id + '" already exists');
-  }
-
-
-  function getMetaSchemaOptions() {
-    var metaOpts = util.copy(self._opts);
-    for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
-      delete metaOpts[META_IGNORE_OPTIONS[i]];
-    return metaOpts;
+/**
+ * Get compiled schema from the instance by `key` or `ref`.
+ * @this   Ajv
+ * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+ * @return {Function} schema validating function (with property `schema`).
+ */
+function getSchema(keyRef) {
+  var schemaObj = _getSchemaObj(this, keyRef);
+  switch (typeof schemaObj) {
+    case 'object': return schemaObj.validate || this._compile(schemaObj);
+    case 'string': return this.getSchema(schemaObj);
+    case 'undefined': return _getSchemaFragment(this, keyRef);
   }
 }
+
+
+function _getSchemaFragment(self, ref) {
+  var res = resolve.schema.call(self, { schema: {} }, ref);
+  if (res) {
+    var schema = res.schema
+      , root = res.root
+      , baseId = res.baseId;
+    var v = compileSchema.call(self, schema, root, undefined, baseId);
+    self._fragments[ref] = new SchemaObject({
+      ref: ref,
+      fragment: true,
+      schema: schema,
+      root: root,
+      baseId: baseId,
+      validate: v
+    });
+    return v;
+  }
+}
+
+
+function _getSchemaObj(self, keyRef) {
+  keyRef = resolve.normalizeId(keyRef);
+  return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
+}
+
+
+/**
+ * Remove cached schema(s).
+ * If no parameter is passed all schemas but meta-schemas are removed.
+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+ * @this   Ajv
+ * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+ */
+function removeSchema(schemaKeyRef) {
+  if (schemaKeyRef instanceof RegExp) {
+    _removeAllSchemas(this, this._schemas, schemaKeyRef);
+    _removeAllSchemas(this, this._refs, schemaKeyRef);
+    return;
+  }
+  switch (typeof schemaKeyRef) {
+    case 'undefined':
+      _removeAllSchemas(this, this._schemas);
+      _removeAllSchemas(this, this._refs);
+      this._cache.clear();
+      return;
+    case 'string':
+      var schemaObj = _getSchemaObj(this, schemaKeyRef);
+      if (schemaObj) this._cache.del(schemaObj.cacheKey);
+      delete this._schemas[schemaKeyRef];
+      delete this._refs[schemaKeyRef];
+      return;
+    case 'object':
+      var serialize = this._opts.serialize;
+      var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
+      this._cache.del(cacheKey);
+      var id = this._getId(schemaKeyRef);
+      if (id) {
+        id = resolve.normalizeId(id);
+        delete this._schemas[id];
+        delete this._refs[id];
+      }
+  }
+}
+
+
+function _removeAllSchemas(self, schemas, regex) {
+  for (var keyRef in schemas) {
+    var schemaObj = schemas[keyRef];
+    if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
+      self._cache.del(schemaObj.cacheKey);
+      delete schemas[keyRef];
+    }
+  }
+}
+
+
+/* @this   Ajv */
+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
+  if (typeof schema != 'object' && typeof schema != 'boolean')
+    throw new Error('schema should be object or boolean');
+  var serialize = this._opts.serialize;
+  var cacheKey = serialize ? serialize(schema) : schema;
+  var cached = this._cache.get(cacheKey);
+  if (cached) return cached;
+
+  shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
+
+  var id = resolve.normalizeId(this._getId(schema));
+  if (id && shouldAddSchema) checkUnique(this, id);
+
+  var willValidate = this._opts.validateSchema !== false && !skipValidation;
+  var recursiveMeta;
+  if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
+    this.validateSchema(schema, true);
+
+  var localRefs = resolve.ids.call(this, schema);
+
+  var schemaObj = new SchemaObject({
+    id: id,
+    schema: schema,
+    localRefs: localRefs,
+    cacheKey: cacheKey,
+    meta: meta
+  });
+
+  if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
+  this._cache.put(cacheKey, schemaObj);
+
+  if (willValidate && recursiveMeta) this.validateSchema(schema, true);
+
+  return schemaObj;
+}
+
+
+/* @this   Ajv */
+function _compile(schemaObj, root) {
+  if (schemaObj.compiling) {
+    schemaObj.validate = callValidate;
+    callValidate.schema = schemaObj.schema;
+    callValidate.errors = null;
+    callValidate.root = root ? root : callValidate;
+    if (schemaObj.schema.$async === true)
+      callValidate.$async = true;
+    return callValidate;
+  }
+  schemaObj.compiling = true;
+
+  var currentOpts;
+  if (schemaObj.meta) {
+    currentOpts = this._opts;
+    this._opts = this._metaOpts;
+  }
+
+  var v;
+  try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
+  finally {
+    schemaObj.compiling = false;
+    if (schemaObj.meta) this._opts = currentOpts;
+  }
+
+  schemaObj.validate = v;
+  schemaObj.refs = v.refs;
+  schemaObj.refVal = v.refVal;
+  schemaObj.root = v.root;
+  return v;
+
+
+  function callValidate() {
+    var _validate = schemaObj.validate;
+    var result = _validate.apply(null, arguments);
+    callValidate.errors = _validate.errors;
+    return result;
+  }
+}
+
+
+function chooseGetId(opts) {
+  switch (opts.schemaId) {
+    case '$id': return _get$Id;
+    case 'id': return _getId;
+    default: return _get$IdOrId;
+  }
+}
+
+
+function _getId(schema) {
+  if (schema.$id) console.warn('schema $id ignored', schema.$id);
+  return schema.id;
+}
+
+
+function _get$Id(schema) {
+  if (schema.id) console.warn('schema id ignored', schema.id);
+  return schema.$id;
+}
+
+
+function _get$IdOrId(schema) {
+  if (schema.$id && schema.id && schema.$id != schema.id)
+    throw new Error('schema $id is different from id');
+  return schema.$id || schema.id;
+}
+
+
+/**
+ * Convert array of error message objects to string
+ * @this   Ajv
+ * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
+ * @param  {Object} options optional options with properties `separator` and `dataVar`.
+ * @return {String} human readable string with all errors descriptions
+ */
+function errorsText(errors, options) {
+  errors = errors || this.errors;
+  if (!errors) return 'No errors';
+  options = options || {};
+  var separator = options.separator === undefined ? ', ' : options.separator;
+  var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
+
+  var text = '';
+  for (var i=0; i<errors.length; i++) {
+    var e = errors[i];
+    if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
+  }
+  return text.slice(0, -separator.length);
+}
+
+
+/**
+ * Add custom format
+ * @this   Ajv
+ * @param {String} name format name
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+ */
+function addFormat(name, format) {
+  if (typeof format == 'string') format = new RegExp(format);
+  this._formats[name] = format;
+}
+
+
+function addDraft6MetaSchema(self) {
+  var $dataSchema;
+  if (self._opts.$data) {
+    $dataSchema = require('./refs/$data.json');
+    self.addMetaSchema($dataSchema, $dataSchema.$id, true);
+  }
+  if (self._opts.meta === false) return;
+  var metaSchema = require('./refs/json-schema-draft-06.json');
+  if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
+  self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
+  self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
+}
+
+
+function addInitialSchemas(self) {
+  var optsSchemas = self._opts.schemas;
+  if (!optsSchemas) return;
+  if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
+  else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
+}
+
+
+function addInitialFormats(self) {
+  for (var name in self._opts.formats) {
+    var format = self._opts.formats[name];
+    self.addFormat(name, format);
+  }
+}
+
+
+function checkUnique(self, id) {
+  if (self._schemas[id] || self._refs[id])
+    throw new Error('schema with key or id "' + id + '" already exists');
+}
+
+
+function getMetaSchemaOptions(self) {
+  var metaOpts = util.copy(self._opts);
+  for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
+    delete metaOpts[META_IGNORE_OPTIONS[i]];
+  return metaOpts;
+}

tools/eslint/node_modules/ajv/lib/compile/_rules.js

@@ -5,6 +5,8 @@ module.exports = {
   '$ref': require('../dotjs/ref'),
   allOf: require('../dotjs/allOf'),
   anyOf: require('../dotjs/anyOf'),
+  const: require('../dotjs/const'),
+  contains: require('../dotjs/contains'),
   dependencies: require('../dotjs/dependencies'),
   'enum': require('../dotjs/enum'),
   format: require('../dotjs/format'),
@@ -22,6 +24,7 @@ module.exports = {
   oneOf: require('../dotjs/oneOf'),
   pattern: require('../dotjs/pattern'),
   properties: require('../dotjs/properties'),
+  propertyNames: require('../dotjs/propertyNames'),
   required: require('../dotjs/required'),
   uniqueItems: require('../dotjs/uniqueItems'),
   validate: require('../dotjs/validate')

tools/eslint/node_modules/ajv/lib/compile/async.js

@@ -0,0 +1,90 @@
+'use strict';
+
+var MissingRefError = require('./error_classes').MissingRef;
+
+module.exports = compileAsync;
+
+
+/**
+ * Creates validating function for passed schema with asynchronous loading of missing schemas.
+ * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
+ * @this  Ajv
+ * @param {Object}   schema schema object
+ * @param {Boolean}  meta optional true to compile meta-schema; this parameter can be skipped
+ * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function.
+ * @return {Promise} promise that resolves with a validating function.
+ */
+function compileAsync(schema, meta, callback) {
+  /* eslint no-shadow: 0 */
+  /* global Promise */
+  /* jshint validthis: true */
+  var self = this;
+  if (typeof this._opts.loadSchema != 'function')
+    throw new Error('options.loadSchema should be a function');
+
+  if (typeof meta == 'function') {
+    callback = meta;
+    meta = undefined;
+  }
+
+  var p = loadMetaSchemaOf(schema).then(function () {
+    var schemaObj = self._addSchema(schema, undefined, meta);
+    return schemaObj.validate || _compileAsync(schemaObj);
+  });
+
+  if (callback) {
+    p.then(
+      function(v) { callback(null, v); },
+      callback
+    );
+  }
+
+  return p;
+
+
+  function loadMetaSchemaOf(sch) {
+    var $schema = sch.$schema;
+    return $schema && !self.getSchema($schema)
+            ? compileAsync.call(self, { $ref: $schema }, true)
+            : Promise.resolve();
+  }
+
+
+  function _compileAsync(schemaObj) {
+    try { return self._compile(schemaObj); }
+    catch(e) {
+      if (e instanceof MissingRefError) return loadMissingSchema(e);
+      throw e;
+    }
+
+
+    function loadMissingSchema(e) {
+      var ref = e.missingSchema;
+      if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved');
+
+      var schemaPromise = self._loadingSchemas[ref];
+      if (!schemaPromise) {
+        schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref);
+        schemaPromise.then(removePromise, removePromise);
+      }
+
+      return schemaPromise.then(function (sch) {
+        if (!added(ref)) {
+          return loadMetaSchemaOf(sch).then(function () {
+            if (!added(ref)) self.addSchema(sch, ref, undefined, meta);
+          });
+        }
+      }).then(function() {
+        return _compileAsync(schemaObj);
+      });
+
+      function removePromise() {
+        delete self._loadingSchemas[ref];
+      }
+
+      function added(ref) {
+        return self._refs[ref] || self._schemas[ref];
+      }
+    }
+  }
+}

tools/eslint/node_modules/ajv/lib/compile/equal.js

@@ -1,45 +1,3 @@
 'use strict';
 
-/*eslint complexity: 0*/
-
-module.exports = function equal(a, b) {
-  if (a === b) return true;
-
-  var arrA = Array.isArray(a)
-    , arrB = Array.isArray(b)
-    , i;
-
-  if (arrA && arrB) {
-    if (a.length != b.length) return false;
-    for (i = 0; i < a.length; i++)
-      if (!equal(a[i], b[i])) return false;
-    return true;
-  }
-
-  if (arrA != arrB) return false;
-
-  if (a && b && typeof a === 'object' && typeof b === 'object') {
-    var keys = Object.keys(a);
-    if (keys.length !== Object.keys(b).length) return false;
-
-    var dateA = a instanceof Date
-      , dateB = b instanceof Date;
-    if (dateA && dateB) return a.getTime() == b.getTime();
-    if (dateA != dateB) return false;
-
-    var regexpA = a instanceof RegExp
-      , regexpB = b instanceof RegExp;
-    if (regexpA && regexpB) return a.toString() == b.toString();
-    if (regexpA != regexpB) return false;
-
-    for (i = 0; i < keys.length; i++)
-      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
-
-    for (i = 0; i < keys.length; i++)
-      if(!equal(a[keys[i]], b[keys[i]])) return false;
-
-    return true;
-  }
-
-  return false;
-};
+module.exports = require('fast-deep-equal');

tools/eslint/node_modules/ajv/lib/compile/error_classes.js

@@ -0,0 +1,34 @@
+'use strict';
+
+var resolve = require('./resolve');
+
+module.exports = {
+  Validation: errorSubclass(ValidationError),
+  MissingRef: errorSubclass(MissingRefError)
+};
+
+
+function ValidationError(errors) {
+  this.message = 'validation failed';
+  this.errors = errors;
+  this.ajv = this.validation = true;
+}
+
+
+MissingRefError.message = function (baseId, ref) {
+  return 'can\'t resolve reference ' + ref + ' from id ' + baseId;
+};
+
+
+function MissingRefError(baseId, ref, message) {
+  this.message = message || MissingRefError.message(baseId, ref);
+  this.missingRef = resolve.url(baseId, ref);
+  this.missingSchema = resolve.normalizeId(resolve.fullPath(this.missingRef));
+}
+
+
+function errorSubclass(Subclass) {
+  Subclass.prototype = Object.create(Error.prototype);
+  Subclass.prototype.constructor = Subclass;
+  return Subclass;
+}

tools/eslint/node_modules/ajv/lib/compile/formats.js

@@ -6,24 +6,25 @@ var DATE = /^\d\d\d\d-(\d\d)-(\d\d)$/;
 var DAYS = [0,31,29,31,30,31,30,31,31,30,31,30,31];
 var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d:\d\d)?$/i;
 var HOSTNAME = /^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*$/i;
-var URI = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@\/?]|%[0-9a-f]{2})*)?(?:\#(?:[a-z0-9\-._~!$&'()*+,;=:@\/?]|%[0-9a-f]{2})*)?$/i;
-var UUID = /^(?:urn\:uuid\:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
-var JSON_POINTER = /^(?:\/(?:[^~\/]|~0|~1)*)*$|^\#(?:\/(?:[a-z0-9_\-\.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
-var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:\#|(?:\/(?:[^~\/]|~0|~1)*)*)$/;
+var URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+var URIREF = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+// uri-template: https://tools.ietf.org/html/rfc6570
+var URITEMPLATE = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i;
+// For the source: https://gist.github.com/dperini/729294
+// For test cases: https://mathiasbynens.be/demo/url-regex
+// @todo Delete current URL in favour of the commented out URL rule when this issue is fixed https://github.com/eslint/eslint/issues/7983.
+// var URL = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u{00a1}-\u{ffff}0-9]+-?)*[a-z\u{00a1}-\u{ffff}0-9]+)(?:\.(?:[a-z\u{00a1}-\u{ffff}0-9]+-?)*[a-z\u{00a1}-\u{ffff}0-9]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu;
+var URL = /^(?:(?:http[s\u017F]?|ftp):\/\/)(?:(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+(?::(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?@)?(?:(?!10(?:\.[0-9]{1,3}){3})(?!127(?:\.[0-9]{1,3}){3})(?!169\.254(?:\.[0-9]{1,3}){2})(?!192\.168(?:\.[0-9]{1,3}){2})(?!172\.(?:1[6-9]|2[0-9]|3[01])(?:\.[0-9]{1,3}){2})(?:[1-9][0-9]?|1[0-9][0-9]|2[01][0-9]|22[0-3])(?:\.(?:1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}(?:\.(?:[1-9][0-9]?|1[0-9][0-9]|2[0-4][0-9]|25[0-4]))|(?:(?:(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-?)*(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)(?:\.(?:(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-?)*(?:[0-9KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)*(?:\.(?:(?:[KSa-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]){2,})))(?::[0-9]{2,5})?(?:\/(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?$/i;
+var UUID = /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
+var JSON_POINTER = /^(?:\/(?:[^~/]|~0|~1)*)*$|^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
+var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
 
 
 module.exports = formats;
 
 function formats(mode) {
   mode = mode == 'full' ? 'full' : 'fast';
-  var formatDefs = util.copy(formats[mode]);
-  for (var fName in formats.compare) {
-    formatDefs[fName] = {
-      validate: formatDefs[fName],
-      compare: formats.compare[fName]
-    };
-  }
-  return formatDefs;
+  return util.copy(formats[mode]);
 }
 
 
@@ -34,11 +35,14 @@ formats.fast = {
   time: /^[0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?(?:z|[+-]\d\d:\d\d)?$/i,
   'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s][0-2]\d:[0-5]\d:[0-5]\d(?:\.\d+)?(?:z|[+-]\d\d:\d\d)$/i,
   // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
-  uri: /^(?:[a-z][a-z0-9+-.]*)?(?:\:|\/)\/?[^\s]*$/i,
+  uri: /^(?:[a-z][a-z0-9+-.]*)(?::|\/)\/?[^\s]*$/i,
+  'uri-reference': /^(?:(?:[a-z][a-z0-9+-.]*:)?\/\/)?[^\s]*$/i,
+  'uri-template': URITEMPLATE,
+  url: URL,
   // email (sources from jsen validator):
   // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
   // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
-  email: /^[a-z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
+  email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
   hostname: HOSTNAME,
   // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
   ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
@@ -60,7 +64,10 @@ formats.full = {
   time: time,
   'date-time': date_time,
   uri: uri,
-  email: /^[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&''*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
+  'uri-reference': URIREF,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&''*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
   hostname: hostname,
   ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
   ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
@@ -71,13 +78,6 @@ formats.full = {
 };
 
 
-formats.compare = {
-  date: compareDate,
-  time: compareTime,
-  'date-time': compareDateTime
-};
-
-
 function date(str) {
   // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
   var matches = str.match(DATE);
@@ -116,14 +116,16 @@ function hostname(str) {
 }
 
 
-var NOT_URI_FRAGMENT = /\/|\:/;
+var NOT_URI_FRAGMENT = /\/|:/;
 function uri(str) {
   // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
   return NOT_URI_FRAGMENT.test(str) && URI.test(str);
 }
 
 
+var Z_ANCHOR = /[^\\]\\Z/;
 function regex(str) {
+  if (Z_ANCHOR.test(str)) return false;
   try {
     new RegExp(str);
     return true;
@@ -131,34 +133,3 @@ function regex(str) {
     return false;
   }
 }
-
-
-function compareDate(d1, d2) {
-  if (!(d1 && d2)) return;
-  if (d1 > d2) return 1;
-  if (d1 < d2) return -1;
-  if (d1 === d2) return 0;
-}
-
-
-function compareTime(t1, t2) {
-  if (!(t1 && t2)) return;
-  t1 = t1.match(TIME);
-  t2 = t2.match(TIME);
-  if (!(t1 && t2)) return;
-  t1 = t1[1] + t1[2] + t1[3] + (t1[4]||'');
-  t2 = t2[1] + t2[2] + t2[3] + (t2[4]||'');
-  if (t1 > t2) return 1;
-  if (t1 < t2) return -1;
-  if (t1 === t2) return 0;
-}
-
-
-function compareDateTime(dt1, dt2) {
-  if (!(dt1 && dt2)) return;
-  dt1 = dt1.split(DATE_TIME_SEPARATOR);
-  dt2 = dt2.split(DATE_TIME_SEPARATOR);
-  var res = compareDate(dt1[0], dt2[0]);
-  if (res === undefined) return;
-  return res || compareTime(dt1[1], dt2[1]);
-}

tools/eslint/node_modules/ajv/lib/compile/index.js

@@ -2,18 +2,8 @@
 
 var resolve = require('./resolve')
   , util = require('./util')
-  , stableStringify = require('json-stable-stringify')
-  , async = require('../async');
-
-var beautify;
-
-function loadBeautify(){
-  if (beautify === undefined) {
-    var name = 'js-beautify';
-    try { beautify = require(name).js_beautify; }
-    catch(e) { beautify = false; }
-  }
-}
+  , errorClasses = require('./error_classes')
+  , stableStringify = require('json-stable-stringify');
 
 var validateGenerator = require('../dotjs/validate');
 
@@ -23,10 +13,10 @@ var validateGenerator = require('../dotjs/validate');
 
 var co = require('co');
 var ucs2length = util.ucs2length;
-var equal = require('./equal');
+var equal = require('fast-deep-equal');
 
 // this error is thrown by async schemas to return validation errors via exception
-var ValidationError = require('./validation_error');
+var ValidationError = errorClasses.Validation;
 
 module.exports = compile;
 
@@ -51,8 +41,7 @@ function compile(schema, root, localRefs, baseId) {
     , patternsHash = {}
     , defaults = []
     , defaultsHash = {}
-    , customRules = []
-    , keepSourceCode = opts.sourceCode !== false;
+    , customRules = [];
 
   root = root || { schema: schema, refVal: refVal, refs: refs };
 
@@ -74,7 +63,7 @@ function compile(schema, root, localRefs, baseId) {
       cv.refVal = v.refVal;
       cv.root = v.root;
       cv.$async = v.$async;
-      if (keepSourceCode) cv.sourceCode = v.sourceCode;
+      if (opts.sourceCode) cv.source = v.source;
     }
     return v;
   } finally {
@@ -94,7 +83,6 @@ function compile(schema, root, localRefs, baseId) {
       return compile.call(self, _schema, _root, localRefs, baseId);
 
     var $async = _schema.$async === true;
-    if ($async && !opts.transpile) async.setup(opts);
 
     var sourceCode = validateGenerator({
       isTop: true,
@@ -105,6 +93,7 @@ function compile(schema, root, localRefs, baseId) {
       schemaPath: '',
       errSchemaPath: '#',
       errorPath: '""',
+      MissingRefError: errorClasses.MissingRef,
       RULES: RULES,
       validate: validateGenerator,
       util: util,
@@ -122,20 +111,10 @@ function compile(schema, root, localRefs, baseId) {
                    + vars(defaults, defaultCode) + vars(customRules, customRuleCode)
                    + sourceCode;
 
-    if (opts.beautify) {
-      loadBeautify();
-      /* istanbul ignore else */
-      if (beautify) sourceCode = beautify(sourceCode, opts.beautify);
-      else console.error('"npm install js-beautify" to use beautify option');
-    }
-    // console.log('\n\n\n *** \n', sourceCode);
-    var validate, validateCode
-      , transpile = opts._transpileFunc;
+    if (opts.processCode) sourceCode = opts.processCode(sourceCode);
+    // console.log('\n\n\n *** \n', JSON.stringify(sourceCode));
+    var validate;
     try {
-      validateCode = $async && transpile
-                      ? transpile(sourceCode)
-                      : sourceCode;
-
       var makeValidate = new Function(
         'self',
         'RULES',
@@ -148,7 +127,7 @@ function compile(schema, root, localRefs, baseId) {
         'equal',
         'ucs2length',
         'ValidationError',
-        validateCode
+        sourceCode
       );
 
       validate = makeValidate(
@@ -167,7 +146,7 @@ function compile(schema, root, localRefs, baseId) {
 
       refVal[0] = validate;
     } catch(e) {
-      console.error('Error compiling schema, function code:', validateCode);
+      console.error('Error compiling schema, function code:', sourceCode);
       throw e;
     }
 
@@ -177,9 +156,9 @@ function compile(schema, root, localRefs, baseId) {
     validate.refVal = refVal;
     validate.root = isRoot ? validate : _root;
     if ($async) validate.$async = true;
-    if (keepSourceCode) validate.sourceCode = sourceCode;
     if (opts.sourceCode === true) {
       validate.source = {
+        code: sourceCode,
         patterns: patterns,
         defaults: defaults
       };
@@ -208,7 +187,7 @@ function compile(schema, root, localRefs, baseId) {
 
     refCode = addLocalRef(ref);
     var v = resolve.call(self, localCompile, root, ref);
-    if (!v) {
+    if (v === undefined) {
       var localSchema = localRefs && localRefs[ref];
       if (localSchema) {
         v = resolve.inlineRef(localSchema, opts.inlineRefs)
@@ -217,7 +196,7 @@ function compile(schema, root, localRefs, baseId) {
       }
     }
 
-    if (v) {
+    if (v !== undefined) {
       replaceLocalRef(ref, v);
       return resolvedRef(v, refCode);
     }
@@ -236,7 +215,7 @@ function compile(schema, root, localRefs, baseId) {
   }
 
   function resolvedRef(refVal, code) {
-    return typeof refVal == 'object'
+    return typeof refVal == 'object' || typeof refVal == 'boolean'
             ? { code: code, schema: refVal, inline: true }
             : { code: code, $async: refVal && refVal.$async };
   }
@@ -294,8 +273,12 @@ function compile(schema, root, localRefs, baseId) {
       validate = inline.call(self, it, rule.keyword, schema, parentSchema);
     } else {
       validate = rule.definition.validate;
+      if (!validate) return;
     }
 
+    if (validate === undefined)
+      throw new Error('custom keyword "' + rule.keyword + '"failed to compile');
+
     var index = customRules.length;
     customRules[index] = validate;
 
@@ -372,7 +355,7 @@ function defaultCode(i) {
 
 
 function refValCode(i, refVal) {
-  return refVal[i] ? 'var refVal' + i + ' = refVal[' + i + '];' : '';
+  return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];';
 }
 
 

tools/eslint/node_modules/ajv/lib/compile/resolve.js

@@ -1,9 +1,10 @@
 'use strict';
 
 var url = require('url')
-  , equal = require('./equal')
+  , equal = require('fast-deep-equal')
   , util = require('./util')
-  , SchemaObject = require('./schema_obj');
+  , SchemaObject = require('./schema_obj')
+  , traverse = require('json-schema-traverse');
 
 module.exports = resolve;
 
@@ -47,7 +48,7 @@ function resolve(compile, root, ref) {
 
   if (schema instanceof SchemaObject) {
     v = schema.validate || compile.call(this, schema.schema, root, undefined, baseId);
-  } else if (schema) {
+  } else if (schema !== undefined) {
     v = inlineRef(schema, this._opts.inlineRefs)
         ? schema
         : compile.call(this, schema, root, undefined, baseId);
@@ -68,7 +69,7 @@ function resolveSchema(root, ref) {
   /* jshint validthis: true */
   var p = url.parse(ref, false, true)
     , refPath = _getFullPath(p)
-    , baseId = getFullPath(root.schema.id);
+    , baseId = getFullPath(this._getId(root.schema));
   if (refPath !== baseId) {
     var id = normalizeId(refPath);
     var refVal = this._refs[id];
@@ -89,7 +90,7 @@ function resolveSchema(root, ref) {
       }
     }
     if (!root.schema) return;
-    baseId = getFullPath(root.schema.id);
+    baseId = getFullPath(this._getId(root.schema));
   }
   return getJsonPointer.call(this, p, baseId, root.schema, root);
 }
@@ -103,7 +104,8 @@ function resolveRecursive(root, ref, parsedRef) {
     var schema = res.schema;
     var baseId = res.baseId;
     root = res.root;
-    if (schema.id) baseId = resolveUrl(baseId, schema.id);
+    var id = this._getId(schema);
+    if (id) baseId = resolveUrl(baseId, id);
     return getJsonPointer.call(this, parsedRef, baseId, schema, root);
   }
 }
@@ -122,20 +124,24 @@ function getJsonPointer(parsedRef, baseId, schema, root) {
     if (part) {
       part = util.unescapeFragment(part);
       schema = schema[part];
-      if (!schema) break;
-      if (schema.id && !PREVENT_SCOPE_CHANGE[part]) baseId = resolveUrl(baseId, schema.id);
-      if (schema.$ref) {
-        var $ref = resolveUrl(baseId, schema.$ref);
-        var res = resolveSchema.call(this, root, $ref);
-        if (res) {
-          schema = res.schema;
-          root = res.root;
-          baseId = res.baseId;
+      if (schema === undefined) break;
+      var id;
+      if (!PREVENT_SCOPE_CHANGE[part]) {
+        id = this._getId(schema);
+        if (id) baseId = resolveUrl(baseId, id);
+        if (schema.$ref) {
+          var $ref = resolveUrl(baseId, schema.$ref);
+          var res = resolveSchema.call(this, root, $ref);
+          if (res) {
+            schema = res.schema;
+            root = res.root;
+            baseId = res.baseId;
+          }
         }
       }
     }
   }
-  if (schema && schema != root.schema)
+  if (schema !== undefined && schema !== root.schema)
     return { schema: schema, root: root, baseId: baseId };
 }
 
@@ -225,43 +231,41 @@ function resolveUrl(baseId, id) {
 
 /* @this Ajv */
 function resolveIds(schema) {
-  /* eslint no-shadow: 0 */
-  /* jshint validthis: true */
-  var id = normalizeId(schema.id);
+  var schemaId = normalizeId(this._getId(schema));
+  var baseIds = {'': schemaId};
+  var fullPaths = {'': getFullPath(schemaId, false)};
   var localRefs = {};
-  _resolveIds.call(this, schema, getFullPath(id, false), id);
-  return localRefs;
+  var self = this;
 
-  /* @this Ajv */
-  function _resolveIds(schema, fullPath, baseId) {
-    /* jshint validthis: true */
-    if (Array.isArray(schema)) {
-      for (var i=0; i<schema.length; i++)
-        _resolveIds.call(this, schema[i], fullPath+'/'+i, baseId);
-    } else if (schema && typeof schema == 'object') {
-      if (typeof schema.id == 'string') {
-        var id = baseId = baseId
-                          ? url.resolve(baseId, schema.id)
-                          : schema.id;
-        id = normalizeId(id);
+  traverse(schema, {allKeys: true}, function(sch, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+    if (jsonPtr === '') return;
+    var id = self._getId(sch);
+    var baseId = baseIds[parentJsonPtr];
+    var fullPath = fullPaths[parentJsonPtr] + '/' + parentKeyword;
+    if (keyIndex !== undefined)
+      fullPath += '/' + (typeof keyIndex == 'number' ? keyIndex : util.escapeFragment(keyIndex));
 
-        var refVal = this._refs[id];
-        if (typeof refVal == 'string') refVal = this._refs[refVal];
-        if (refVal && refVal.schema) {
-          if (!equal(schema, refVal.schema))
+    if (typeof id == 'string') {
+      id = baseId = normalizeId(baseId ? url.resolve(baseId, id) : id);
+
+      var refVal = self._refs[id];
+      if (typeof refVal == 'string') refVal = self._refs[refVal];
+      if (refVal && refVal.schema) {
+        if (!equal(sch, refVal.schema))
+          throw new Error('id "' + id + '" resolves to more than one schema');
+      } else if (id != normalizeId(fullPath)) {
+        if (id[0] == '#') {
+          if (localRefs[id] && !equal(sch, localRefs[id]))
             throw new Error('id "' + id + '" resolves to more than one schema');
-        } else if (id != normalizeId(fullPath)) {
-          if (id[0] == '#') {
-            if (localRefs[id] && !equal(schema, localRefs[id]))
-              throw new Error('id "' + id + '" resolves to more than one schema');
-            localRefs[id] = schema;
-          } else {
-            this._refs[id] = fullPath;
-          }
+          localRefs[id] = sch;
+        } else {
+          self._refs[id] = fullPath;
         }
       }
-      for (var key in schema)
-        _resolveIds.call(this, schema[key], fullPath+'/'+util.escapeFragment(key), baseId);
     }
-  }
+    baseIds[jsonPtr] = baseId;
+    fullPaths[jsonPtr] = fullPath;
+  });
+
+  return localRefs;
 }

tools/eslint/node_modules/ajv/lib/compile/rules.js

@@ -6,34 +6,52 @@ var ruleModules = require('./_rules')
 module.exports = function rules() {
   var RULES = [
     { type: 'number',
-      rules: [ 'maximum', 'minimum', 'multipleOf'] },
+      rules: [ { 'maximum': ['exclusiveMaximum'] },
+               { 'minimum': ['exclusiveMinimum'] }, 'multipleOf', 'format'] },
     { type: 'string',
       rules: [ 'maxLength', 'minLength', 'pattern', 'format' ] },
     { type: 'array',
-      rules: [ 'maxItems', 'minItems', 'uniqueItems', 'items' ] },
+      rules: [ 'maxItems', 'minItems', 'uniqueItems', 'contains', 'items' ] },
     { type: 'object',
-      rules: [ 'maxProperties', 'minProperties', 'required', 'dependencies', 'properties' ] },
-    { rules: [ '$ref', 'enum', 'not', 'anyOf', 'oneOf', 'allOf' ] }
+      rules: [ 'maxProperties', 'minProperties', 'required', 'dependencies', 'propertyNames',
+               { 'properties': ['additionalProperties', 'patternProperties'] } ] },
+    { rules: [ '$ref', 'const', 'enum', 'not', 'anyOf', 'oneOf', 'allOf' ] }
   ];
 
-  var ALL = [ 'type', 'additionalProperties', 'patternProperties' ];
-  var KEYWORDS = [ 'additionalItems', '$schema', 'id', 'title', 'description', 'default' ];
+  var ALL = [ 'type' ];
+  var KEYWORDS = [
+    'additionalItems', '$schema', 'id', 'title',
+    'description', 'default', 'definitions'
+  ];
   var TYPES = [ 'number', 'integer', 'string', 'array', 'object', 'boolean', 'null' ];
   RULES.all = toHash(ALL);
+  RULES.types = toHash(TYPES);
 
   RULES.forEach(function (group) {
     group.rules = group.rules.map(function (keyword) {
+      var implKeywords;
+      if (typeof keyword == 'object') {
+        var key = Object.keys(keyword)[0];
+        implKeywords = keyword[key];
+        keyword = key;
+        implKeywords.forEach(function (k) {
+          ALL.push(k);
+          RULES.all[k] = true;
+        });
+      }
       ALL.push(keyword);
       var rule = RULES.all[keyword] = {
         keyword: keyword,
-        code: ruleModules[keyword]
+        code: ruleModules[keyword],
+        implements: implKeywords
       };
       return rule;
     });
+
+    if (group.type) RULES.types[group.type] = group;
   });
 
   RULES.keywords = toHash(ALL.concat(KEYWORDS));
-  RULES.types = toHash(TYPES);
   RULES.custom = {};
 
   return RULES;

tools/eslint/node_modules/ajv/lib/compile/util.js

@@ -9,19 +9,20 @@ module.exports = {
   toHash: toHash,
   getProperty: getProperty,
   escapeQuotes: escapeQuotes,
+  equal: require('fast-deep-equal'),
   ucs2length: require('./ucs2length'),
   varOccurences: varOccurences,
   varReplace: varReplace,
   cleanUpCode: cleanUpCode,
-  cleanUpVarErrors: cleanUpVarErrors,
+  finalCleanUpCode: finalCleanUpCode,
   schemaHasRules: schemaHasRules,
   schemaHasRulesExcept: schemaHasRulesExcept,
-  stableStringify: require('json-stable-stringify'),
   toQuotedString: toQuotedString,
   getPathExpr: getPathExpr,
   getPath: getPath,
   getData: getData,
   unescapeFragment: unescapeFragment,
+  unescapeJsonPointer: unescapeJsonPointer,
   escapeFragment: escapeFragment,
   escapeJsonPointer: escapeJsonPointer
 };
@@ -144,31 +145,40 @@ function cleanUpCode(out) {
 }
 
 
-var ERRORS_REGEXP = /[^v\.]errors/g
+var ERRORS_REGEXP = /[^v.]errors/g
   , REMOVE_ERRORS = /var errors = 0;|var vErrors = null;|validate.errors = vErrors;/g
   , REMOVE_ERRORS_ASYNC = /var errors = 0;|var vErrors = null;/g
   , RETURN_VALID = 'return errors === 0;'
   , RETURN_TRUE = 'validate.errors = null; return true;'
-  , RETURN_ASYNC = /if \(errors === 0\) return true;\s*else throw new ValidationError\(vErrors\);/
-  , RETURN_TRUE_ASYNC = 'return true;';
+  , RETURN_ASYNC = /if \(errors === 0\) return data;\s*else throw new ValidationError\(vErrors\);/
+  , RETURN_DATA_ASYNC = 'return data;'
+  , ROOTDATA_REGEXP = /[^A-Za-z_$]rootData[^A-Za-z0-9_$]/g
+  , REMOVE_ROOTDATA = /if \(rootData === undefined\) rootData = data;/;
 
-function cleanUpVarErrors(out, async) {
+function finalCleanUpCode(out, async) {
   var matches = out.match(ERRORS_REGEXP);
-  if (!matches || matches.length !== 2) return out;
-  return async
+  if (matches && matches.length == 2) {
+    out = async
           ? out.replace(REMOVE_ERRORS_ASYNC, '')
-               .replace(RETURN_ASYNC, RETURN_TRUE_ASYNC)
+               .replace(RETURN_ASYNC, RETURN_DATA_ASYNC)
           : out.replace(REMOVE_ERRORS, '')
                .replace(RETURN_VALID, RETURN_TRUE);
+  }
+
+  matches = out.match(ROOTDATA_REGEXP);
+  if (!matches || matches.length !== 3) return out;
+  return out.replace(REMOVE_ROOTDATA, '');
 }
 
 
 function schemaHasRules(schema, rules) {
+  if (typeof schema == 'boolean') return !schema;
   for (var key in schema) if (rules[key]) return true;
 }
 
 
 function schemaHasRulesExcept(schema, rules, exceptKeyword) {
+  if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
   for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
 }
 

tools/eslint/node_modules/ajv/lib/dot/_limit.jst

@@ -3,47 +3,94 @@
 {{# def.setupKeyword }}
 {{# def.$data }}
 
+{{## def.setExclusiveLimit:
+  $exclusive = true;
+  $errorKeyword = $exclusiveKeyword;
+  $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+#}}
+
 {{
   var $isMax = $keyword == 'maximum'
     , $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum'
     , $schemaExcl = it.schema[$exclusiveKeyword]
-    , $isDataExcl = it.opts.v5 && $schemaExcl && $schemaExcl.$data
+    , $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data
     , $op = $isMax ? '<' : '>'
-    , $notOp = $isMax ? '>' : '<';
+    , $notOp = $isMax ? '>' : '<'
+    , $errorKeyword = undefined;
 }}
 
 {{? $isDataExcl }}
   {{
     var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr)
       , $exclusive = 'exclusive' + $lvl
+      , $exclType = 'exclType' + $lvl
+      , $exclIsNumber = 'exclIsNumber' + $lvl
       , $opExpr = 'op' + $lvl
       , $opStr = '\' + ' + $opExpr + ' + \'';
   }}
   var schemaExcl{{=$lvl}} = {{=$schemaValueExcl}};
   {{ $schemaValueExcl = 'schemaExcl' + $lvl; }}
 
-  var exclusive{{=$lvl}};
-  if (typeof {{=$schemaValueExcl}} != 'boolean' && typeof {{=$schemaValueExcl}} != 'undefined') {
+  var {{=$exclusive}};
+  var {{=$exclType}} = typeof {{=$schemaValueExcl}};
+  if ({{=$exclType}} != 'boolean' && {{=$exclType}} != 'undefined' && {{=$exclType}} != 'number') {
     {{ var $errorKeyword = $exclusiveKeyword; }}
     {{# def.error:'_exclusiveLimit' }}
-  } else if({{# def.$dataNotType:'number' }}
-            ((exclusive{{=$lvl}} = {{=$schemaValueExcl}} === true)
-              ? {{=$data}} {{=$notOp}}= {{=$schemaValue}}
-              : {{=$data}} {{=$notOp}} {{=$schemaValue}})
+  } else if ({{# def.$dataNotType:'number' }}
+            {{=$exclType}} == 'number'
+              ? (
+                  ({{=$exclusive}} = {{=$schemaValue}} === undefined || {{=$schemaValueExcl}} {{=$op}}= {{=$schemaValue}})
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValueExcl}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
+              : (
+                  ({{=$exclusive}} = {{=$schemaValueExcl}} === true)
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValue}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
             || {{=$data}} !== {{=$data}}) {
-    var op{{=$lvl}} = exclusive{{=$lvl}} ? '{{=$op}}' : '{{=$op}}=';
+    var op{{=$lvl}} = {{=$exclusive}} ? '{{=$op}}' : '{{=$op}}=';
 {{??}}
   {{
-    var $exclusive = $schemaExcl === true
+    var $exclIsNumber = typeof $schemaExcl == 'number'
       , $opStr = $op;  /*used in error*/
-    if (!$exclusive) $opStr += '=';
-    var $opExpr = '\'' + $opStr + '\''; /*used in error*/
   }}
 
-  if ({{# def.$dataNotType:'number' }}
-      {{=$data}} {{=$notOp}}{{?$exclusive}}={{?}} {{=$schemaValue}}
-      || {{=$data}} !== {{=$data}}) {
+  {{? $exclIsNumber && $isData }}
+    {{ var $opExpr = '\'' + $opStr + '\''; /*used in error*/ }}
+    if ({{# def.$dataNotType:'number' }}
+        ( {{=$schemaValue}} === undefined
+          || {{=$schemaExcl}} {{=$op}}= {{=$schemaValue}}
+            ? {{=$data}} {{=$notOp}}= {{=$schemaExcl}}
+            : {{=$data}} {{=$notOp}} {{=$schemaValue}} )
+        || {{=$data}} !== {{=$data}}) {
+  {{??}}
+    {{
+      if ($exclIsNumber && $schema === undefined) {
+          {{# def.setExclusiveLimit }}
+          $schemaValue = $schemaExcl;
+          $notOp += '=';
+      } else {
+        if ($exclIsNumber)
+          $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          {{# def.setExclusiveLimit }}
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+
+      var $opExpr = '\'' + $opStr + '\''; /*used in error*/
+    }}
+
+    if ({{# def.$dataNotType:'number' }}
+        {{=$data}} {{=$notOp}} {{=$schemaValue}}
+        || {{=$data}} !== {{=$data}}) {
+  {{?}}
 {{?}}
-    {{ var $errorKeyword = $keyword; }}
+    {{ $errorKeyword = $errorKeyword || $keyword; }}
     {{# def.error:'_limit' }}
   } {{? $breakOnError }} else { {{?}}

tools/eslint/node_modules/ajv/lib/dot/anyOf.jst

@@ -35,7 +35,7 @@
   {{= $closingBraces }}
 
   if (!{{=$valid}}) {
-    {{# def.addError:'anyOf' }}
+    {{# def.extraError:'anyOf' }}
   } else {
     {{# def.resetErrors }}
   {{? it.opts.allErrors }} } {{?}}

tools/eslint/node_modules/ajv/lib/dot/const.jst

@@ -0,0 +1,11 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{? !$isData }}
+  var schema{{=$lvl}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}} = equal({{=$data}}, schema{{=$lvl}});
+{{# def.checkError:'const' }}
+{{? $breakOnError }} else { {{?}}

tools/eslint/node_modules/ajv/lib/dot/contains.jst

@@ -0,0 +1,57 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{
+  var $idx = 'i' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $currentBaseId = it.baseId
+    , $nonEmptySchema = {{# def.nonEmptySchema:$schema }};
+}}
+
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{? $nonEmptySchema }}
+  {{# def.setCompositeRule }}
+
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  var {{=$nextValid}} = false;
+
+  for (var {{=$idx}} = 0; {{=$idx}} < {{=$data}}.length; {{=$idx}}++) {
+    {{
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+    }}
+
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+
+    if ({{=$nextValid}}) break;
+  }
+
+  {{# def.resetCompositeRule }}
+  {{= $closingBraces }}
+
+  if (!{{=$nextValid}}) {
+{{??}}
+  if ({{=$data}}.length == 0) {
+{{?}}
+
+    {{# def.error:'contains' }}
+  } else {
+    {{? $nonEmptySchema }}
+      {{# def.resetErrors }}
+    {{?}}
+  {{? it.opts.allErrors }} } {{?}}
+
+{{# def.cleanUp }}

tools/eslint/node_modules/ajv/lib/dot/custom.jst

@@ -6,7 +6,8 @@
 {{
   var $rule = this
     , $definition = 'definition' + $lvl
-    , $rDef = $rule.definition;
+    , $rDef = $rule.definition
+    , $closingBraces = '';
   var $validate = $rDef.validate;
   var $compile, $inline, $macro, $ruleValidate, $validateCode;
 }}
@@ -21,6 +22,7 @@
 {{??}}
   {{
     $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
     $schemaValue = 'validate.schema' + $schemaPath;
     $validateCode = $ruleValidate.code;
     $compile = $rDef.compile;
@@ -76,9 +78,16 @@ var {{=$valid}};
 #}}
 
 
-{{? $validateSchema }}
-  {{=$valid}} = {{=$definition}}.validateSchema({{=$schemaValue}});
-  if ({{=$valid}}) {
+{{? $isData && $rDef.$data }}
+  {{ $closingBraces += '}'; }}
+  if ({{=$schemaValue}} === undefined) {
+    {{=$valid}} = true;
+  } else {
+  {{? $validateSchema }}
+    {{ $closingBraces += '}'; }}
+    {{=$valid}} = {{=$definition}}.validateSchema({{=$schemaValue}});
+    if ({{=$valid}}) {
+  {{?}}
 {{?}}
 
 {{? $inline }}
@@ -123,12 +132,10 @@ var {{=$valid}};
 {{?}}
 
 {{? $rDef.modifying }}
-  {{=$data}} = {{=$parentData}}[{{=$parentDataProperty}}];
+  if ({{=$parentData}}) {{=$data}} = {{=$parentData}}[{{=$parentDataProperty}}];
 {{?}}
 
-{{? $validateSchema }}
-  }
-{{?}}
+{{= $closingBraces }}
 
 {{## def.notValidationResult:
   {{? $rDef.valid === undefined }}

tools/eslint/node_modules/ajv/lib/dot/definitions.def

@@ -113,12 +113,12 @@
 {{## def.cleanUp: {{ out = it.util.cleanUpCode(out); }} #}}
 
 
-{{## def.cleanUpVarErrors: {{ out = it.util.cleanUpVarErrors(out, $async); }} #}}
+{{## def.finalCleanUp: {{ out = it.util.finalCleanUpCode(out, $async); }} #}}
 
 
 {{## def.$data:
   {{
-    var $isData = it.opts.v5 && $schema && $schema.$data
+    var $isData = it.opts.$data && $schema && $schema.$data
       , $schemaValue;
   }}
   {{? $isData }}
@@ -175,8 +175,25 @@
 #}}
 
 
-{{## def.checkOwnProperty:
+{{## def.iterateProperties:
   {{? $ownProperties }}
-    if (!Object.prototype.hasOwnProperty.call({{=$data}}, {{=$key}})) continue;
+    {{=$dataProperties}} = {{=$dataProperties}} || Object.keys({{=$data}});
+    for (var {{=$idx}}=0; {{=$idx}}<{{=$dataProperties}}.length; {{=$idx}}++) {
+      var {{=$key}} = {{=$dataProperties}}[{{=$idx}}];
+  {{??}}
+    for (var {{=$key}} in {{=$data}}) {
   {{?}}
 #}}
+
+
+{{## def.noPropertyInData:
+  {{=$useData}} === undefined
+  {{? $ownProperties }}
+    || !{{# def.isOwnProperty }}
+  {{?}}
+#}}
+
+
+{{## def.isOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($propertyKey)}}')
+#}}

tools/eslint/node_modules/ajv/lib/dot/dependencies.jst

@@ -5,9 +5,18 @@
 {{# def.setupNextLevel }}
 
 
+{{## def.propertyInData:
+  {{=$data}}{{= it.util.getProperty($property) }} !== undefined
+  {{? $ownProperties }}
+    && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
+  {{?}}
+#}}
+
+
 {{
   var $schemaDeps = {}
-    , $propertyDeps = {};
+    , $propertyDeps = {}
+    , $ownProperties = it.opts.ownProperties;
 
   for ($property in $schema) {
     var $sch = $schema[$property];
@@ -23,17 +32,19 @@ var {{=$errs}} = errors;
 var missing{{=$lvl}};
 {{ for (var $property in $propertyDeps) { }}
   {{ $deps = $propertyDeps[$property]; }}
-  if ({{=$data}}{{= it.util.getProperty($property) }} !== undefined
-    {{? $breakOnError }}
-        && ({{# def.checkMissingProperty:$deps }})) {
-        {{# def.errorMissingProperty:'dependencies' }}
-    {{??}}
-      ) {
-        {{~ $deps:$reqProperty }}
-          {{# def.allErrorsMissingProperty:'dependencies' }}
-        {{~}}
-    {{?}}
-  } {{# def.elseIfValid }}
+  {{? $deps.length }}
+    if ({{# def.propertyInData }}
+      {{? $breakOnError }}
+          && ({{# def.checkMissingProperty:$deps }})) {
+          {{# def.errorMissingProperty:'dependencies' }}
+      {{??}}
+        ) {
+          {{~ $deps:$propertyKey }}
+            {{# def.allErrorsMissingProperty:'dependencies' }}
+          {{~}}
+      {{?}}
+    } {{# def.elseIfValid }}
+  {{?}}
 {{ } }}
 
 {{
@@ -47,7 +58,7 @@ var missing{{=$lvl}};
   {{? {{# def.nonEmptySchema:$sch }} }}
     {{=$nextValid}} = true;
 
-    if ({{=$data}}{{= it.util.getProperty($property) }} !== undefined) {
+    if ({{# def.propertyInData }}) {
       {{ 
         $it.schema = $sch;
         $it.schemaPath = $schemaPath + it.util.getProperty($property);

tools/eslint/node_modules/ajv/lib/dot/errors.def

@@ -87,14 +87,17 @@
 
 
 {{## def.concatSchema:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=$schema}}{{?}}#}}
-{{## def.appendSchema:{{?$isData}}' + {{=$schemaValue}}{{??}}{{=$schema}}'{{?}}#}}
+{{## def.appendSchema:{{?$isData}}' + {{=$schemaValue}}{{??}}{{=$schemaValue}}'{{?}}#}}
 {{## def.concatSchemaEQ:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=it.util.escapeQuotes($schema)}}{{?}}#}}
 
 {{## def._errorMessages = {
+  'false schema':  "'boolean schema is false'",
   $ref:            "'can\\\'t resolve reference {{=it.util.escapeQuotes($schema)}}'",
   additionalItems: "'should NOT have more than {{=$schema.length}} items'",
   additionalProperties: "'should NOT have additional properties'",
   anyOf:           "'should match some schema in anyOf'",
+  const:           "'should be equal to constant'",
+  contains:        "'should contain a valid item'",
   dependencies:    "'should have {{? $deps.length == 1 }}property {{= it.util.escapeQuotes($deps[0]) }}{{??}}properties {{= it.util.escapeQuotes($deps.join(\", \")) }}{{?}} when property {{= it.util.escapeQuotes($property) }} is present'",
   'enum':          "'should be equal to one of the allowed values'",
   format:          "'should match format \"{{#def.concatSchemaEQ}}\"'",
@@ -107,14 +110,14 @@
   not:             "'should NOT be valid'",
   oneOf:           "'should match exactly one schema in oneOf'",
   pattern:         "'should match pattern \"{{#def.concatSchemaEQ}}\"'",
+  patternGroups:   "'should NOT have {{=$moreOrLess}} than {{=$limit}} properties matching pattern \"{{=it.util.escapeQuotes($pgProperty)}}\"'",
+  propertyNames:   "'property name \\'{{=$invalidName}}\\' is invalid'",
   required:        "'{{? it.opts._errorDataPathProperty }}is a required property{{??}}should have required property \\'{{=$missingProperty}}\\'{{?}}'",
   type:            "'should be {{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}'",
   uniqueItems:     "'should NOT have duplicate items (items ## ' + j + ' and ' + i + ' are identical)'",
   custom:          "'should pass \"{{=$rule.keyword}}\" keyword validation'",
-  patternGroups:   "'should NOT have {{=$moreOrLess}} than {{=$limit}} properties matching pattern \"{{=it.util.escapeQuotes($pgProperty)}}\"'",
   patternRequired: "'should have property matching pattern \\'{{=$missingPattern}}\\''",
   switch:          "'should pass \"switch\" keyword validation'",
-  constant:        "'should be equal to constant'",
   _formatLimit:    "'should be {{=$opStr}} \"{{#def.concatSchemaEQ}}\"'",
   _formatExclusiveLimit: "'{{=$exclusiveKeyword}} should be boolean'"
 } #}}
@@ -124,10 +127,13 @@
 {{## def.schemaRefOrQS: {{?$isData}}validate.schema{{=$schemaPath}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
 
 {{## def._errorSchemas = {
+  'false schema':  "false",
   $ref:            "{{=it.util.toQuotedString($schema)}}",
   additionalItems: "false",
   additionalProperties: "false",
   anyOf:           "validate.schema{{=$schemaPath}}",
+  const:           "validate.schema{{=$schemaPath}}",
+  contains:        "validate.schema{{=$schemaPath}}",
   dependencies:    "validate.schema{{=$schemaPath}}",
   'enum':          "validate.schema{{=$schemaPath}}",
   format:          "{{#def.schemaRefOrQS}}",
@@ -140,14 +146,14 @@
   not:             "validate.schema{{=$schemaPath}}",
   oneOf:           "validate.schema{{=$schemaPath}}",
   pattern:         "{{#def.schemaRefOrQS}}",
+  patternGroups:   "validate.schema{{=$schemaPath}}",
+  propertyNames:   "validate.schema{{=$schemaPath}}",
   required:        "validate.schema{{=$schemaPath}}",
   type:            "validate.schema{{=$schemaPath}}",
   uniqueItems:     "{{#def.schemaRefOrVal}}",
   custom:          "validate.schema{{=$schemaPath}}",
-  patternGroups:   "validate.schema{{=$schemaPath}}",
   patternRequired: "validate.schema{{=$schemaPath}}",
   switch:          "validate.schema{{=$schemaPath}}",
-  constant:        "validate.schema{{=$schemaPath}}",
   _formatLimit:    "{{#def.schemaRefOrQS}}",
   _formatExclusiveLimit: "validate.schema{{=$schemaPath}}"
 } #}}
@@ -156,10 +162,13 @@
 {{## def.schemaValueQS: {{?$isData}}{{=$schemaValue}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
 
 {{## def._errorParams = {
+  'false schema':  "{}",
   $ref:            "{ ref: '{{=it.util.escapeQuotes($schema)}}' }",
   additionalItems: "{ limit: {{=$schema.length}} }",
   additionalProperties: "{ additionalProperty: '{{=$additionalProperty}}' }",
   anyOf:           "{}",
+  const:           "{}",
+  contains:        "{}",
   dependencies:    "{ property: '{{= it.util.escapeQuotes($property) }}', missingProperty: '{{=$missingProperty}}', depsCount: {{=$deps.length}}, deps: '{{= it.util.escapeQuotes($deps.length==1 ? $deps[0] : $deps.join(\", \")) }}' }",
   'enum':          "{ allowedValues: schema{{=$lvl}} }",
   format:          "{ format: {{#def.schemaValueQS}} }",
@@ -172,14 +181,14 @@
   not:             "{}",
   oneOf:           "{}",
   pattern:         "{ pattern: {{#def.schemaValueQS}} }",
+  patternGroups:   "{ reason: '{{=$reason}}', limit: {{=$limit}}, pattern: '{{=it.util.escapeQuotes($pgProperty)}}' }",
+  propertyNames:   "{ propertyName: '{{=$invalidName}}' }",
   required:        "{ missingProperty: '{{=$missingProperty}}' }",
   type:            "{ type: '{{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}' }",
   uniqueItems:     "{ i: i, j: j }",
   custom:          "{ keyword: '{{=$rule.keyword}}' }",
-  patternGroups:   "{ reason: '{{=$reason}}', limit: {{=$limit}}, pattern: '{{=it.util.escapeQuotes($pgProperty)}}' }",
   patternRequired: "{ missingPattern: '{{=$missingPattern}}' }",
   switch:          "{ caseIndex: {{=$caseIndex}} }",
-  constant:        "{}",
   _formatLimit:    "{ comparison: {{=$opExpr}}, limit: {{#def.schemaValueQS}}, exclusive: {{=$exclusive}} }",
   _formatExclusiveLimit: "{}"
 } #}}

tools/eslint/node_modules/ajv/lib/dot/format.jst

@@ -15,13 +15,14 @@
 
 {{## def.$dataCheckFormat:
   {{# def.$dataNotType:'string' }}
-  ({{? $unknownFormats === true || $allowUnknown }}
+  ({{? $unknownFormats != 'ignore' }}
      ({{=$schemaValue}} && !{{=$format}}
       {{? $allowUnknown }}
         && self._opts.unknownFormats.indexOf({{=$schemaValue}}) == -1
       {{?}}) ||
    {{?}}
-   ({{=$format}} && !(typeof {{=$format}} == 'function'
+   ({{=$format}} && {{=$formatType}} == '{{=$ruleType}}'
+                 && !(typeof {{=$format}} == 'function'
                      ? {{? it.async}}
                         (async{{=$lvl}} ? {{=it.yieldAwait}} {{=$format}}({{=$data}}) : {{=$format}}({{=$data}}))
                        {{??}}
@@ -49,12 +50,17 @@
 }}
 
 {{? $isData }}
-  {{ var $format = 'format' + $lvl; }}
+  {{
+    var $format = 'format' + $lvl
+      , $isObject = 'isObject' + $lvl
+      , $formatType = 'formatType' + $lvl;
+  }}
   var {{=$format}} = formats[{{=$schemaValue}}];
-  var isObject{{=$lvl}} = typeof {{=$format}} == 'object'
-                          && !({{=$format}} instanceof RegExp)
-                          && {{=$format}}.validate;
-  if (isObject{{=$lvl}}) {
+  var {{=$isObject}} = typeof {{=$format}} == 'object'
+                        && !({{=$format}} instanceof RegExp)
+                        && {{=$format}}.validate;
+  var {{=$formatType}} = {{=$isObject}} && {{=$format}}.type || 'string';
+  if ({{=$isObject}}) {
     {{? it.async}}
       var async{{=$lvl}} = {{=$format}}.async;
     {{?}}
@@ -64,28 +70,28 @@
 {{??}}
   {{ var $format = it.formats[$schema]; }}
   {{? !$format }}
-    {{? $unknownFormats === true || ($allowUnknown && $unknownFormats.indexOf($schema) == -1) }}
-      {{ throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"'); }}
-    {{??}}
-      {{
-        if (!$allowUnknown) {
-          console.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"');
-          if ($unknownFormats !== 'ignore')
-            console.warn('In the next major version it will throw exception. See option unknownFormats for more information');
-        }
-      }}
+    {{? $unknownFormats == 'ignore' }}
+      {{ console.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"'); }}
       {{# def.skipFormat }}
+    {{?? $allowUnknown && $unknownFormats.indexOf($schema) >= 0 }}
+      {{# def.skipFormat }}
+    {{??}}
+      {{ throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"'); }}
     {{?}}
   {{?}}
   {{
     var $isObject = typeof $format == 'object'
                     && !($format instanceof RegExp)
                     && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
     if ($isObject) {
       var $async = $format.async === true;
       $format = $format.validate;
     }
   }}
+  {{? $formatType != $ruleType }}
+    {{# def.skipFormat }}
+  {{?}}
   {{? $async }}
     {{
       if (!it.async) throw new Error('async format in sync schema');

tools/eslint/node_modules/ajv/lib/dot/items.jst

@@ -90,7 +90,6 @@ var {{=$valid}};
     $it.errSchemaPath = $errSchemaPath;
   }}
   {{# def.validateItems: 0 }}
-  {{# def.ifResultValid }}
 {{?}}
 
 {{? $breakOnError }}

tools/eslint/node_modules/ajv/lib/dot/missing.def

@@ -1,8 +1,11 @@
 {{## def.checkMissingProperty:_properties:
-  {{~ _properties:_$property:$i }}
+  {{~ _properties:$propertyKey:$i }}
     {{?$i}} || {{?}}
-    {{ var $prop = it.util.getProperty(_$property); }}
-    ( {{=$data}}{{=$prop}} === undefined && (missing{{=$lvl}} = {{= it.util.toQuotedString(it.opts.jsonPointers ? _$property : $prop) }}) )
+    {{
+      var $prop = it.util.getProperty($propertyKey)
+        , $useData = $data + $prop;
+    }}
+    ( ({{# def.noPropertyInData }}) && (missing{{=$lvl}} = {{= it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop) }}) )
   {{~}}
 #}}
 
@@ -20,15 +23,17 @@
   {{# def.error:_error }}
 #}}
 
+
 {{## def.allErrorsMissingProperty:_error:
   {{
-    var $prop = it.util.getProperty($reqProperty)
-      , $missingProperty = it.util.escapeQuotes($reqProperty);
+    var $prop = it.util.getProperty($propertyKey)
+      , $missingProperty = it.util.escapeQuotes($propertyKey)
+      , $useData = $data + $prop;
     if (it.opts._errorDataPathProperty) {
-      it.errorPath = it.util.getPath($currentErrorPath, $reqProperty, it.opts.jsonPointers);
+      it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
     }
   }}
-  if ({{=$data}}{{=$prop}} === undefined) {
+  if ({{# def.noPropertyInData }}) {
     {{# def.addError:_error }}
   }
 #}}

tools/eslint/node_modules/ajv/lib/dot/oneOf.jst

@@ -38,7 +38,7 @@ var {{=$valid}} = false;
 {{= $closingBraces }}
 
 if (!{{=$valid}}) {
-  {{# def.error:'oneOf' }}
+  {{# def.extraError:'oneOf' }}
 } else {
   {{# def.resetErrors }}
 {{? it.opts.allErrors }} } {{?}}

tools/eslint/node_modules/ajv/lib/dot/properties.jst

@@ -23,8 +23,10 @@
 
 {{
   var $key = 'key' + $lvl
+    , $idx = 'idx' + $lvl
     , $dataNxt = $it.dataLevel = it.dataLevel + 1
-    , $nextData = 'data' + $dataNxt;
+    , $nextData = 'data' + $dataNxt
+    , $dataProperties = 'dataProperties' + $lvl;
 
   var $schemaKeys = Object.keys($schema || {})
     , $pProperties = it.schema.patternProperties || {}
@@ -43,7 +45,7 @@
   if ($required && !(it.opts.v5 && $required.$data) && $required.length < it.opts.loopRequired)
     var $requiredHash = it.util.toHash($required);
 
-  if (it.opts.v5) {
+  if (it.opts.patternGroups) {
     var $pgProperties = it.schema.patternGroups || {}
       , $pgPropertyKeys = Object.keys($pgProperties);
   }
@@ -52,10 +54,12 @@
 
 var {{=$errs}} = errors;
 var {{=$nextValid}} = true;
+{{? $ownProperties }}
+  var {{=$dataProperties}} = undefined;
+{{?}}
 
 {{? $checkAdditional }}
-  for (var {{=$key}} in {{=$data}}) {
-    {{# def.checkOwnProperty }}
+  {{# def.iterateProperties }}
     {{? $someProperties }}
       var isAdditional{{=$lvl}} = !(false
         {{? $schemaKeys.length }}
@@ -72,7 +76,7 @@ var {{=$nextValid}} = true;
             || {{= it.usePattern($pProperty) }}.test({{=$key}})
           {{~}}
         {{?}}
-        {{? it.opts.v5 && $pgPropertyKeys && $pgPropertyKeys.length }}
+        {{? it.opts.patternGroups && $pgPropertyKeys.length }}
           {{~ $pgPropertyKeys:$pgProperty:$i }}
             || {{= it.usePattern($pgProperty) }}.test({{=$key}})
           {{~}}
@@ -170,7 +174,7 @@ var {{=$nextValid}} = true;
         {{= $code }}
       {{??}}
         {{? $requiredHash && $requiredHash[$propertyKey] }}
-          if ({{=$useData}} === undefined) {
+          if ({{# def.noPropertyInData }}) {
             {{=$nextValid}} = false;
             {{
               var $currentErrorPath = it.errorPath
@@ -187,11 +191,15 @@ var {{=$nextValid}} = true;
           } else {
         {{??}}
           {{? $breakOnError }}
-            if ({{=$useData}} === undefined) {
+            if ({{# def.noPropertyInData }}) {
               {{=$nextValid}} = true;
             } else {
           {{??}}
-            if ({{=$useData}} !== undefined) {
+            if ({{=$useData}} !== undefined
+              {{? $ownProperties }}
+                && {{# def.isOwnProperty }}
+              {{?}}
+            ) {
           {{?}}
         {{?}}
 
@@ -204,40 +212,41 @@ var {{=$nextValid}} = true;
   {{~}}
 {{?}}
 
-{{~ $pPropertyKeys:$pProperty }}
-  {{ var $sch = $pProperties[$pProperty]; }}
+{{? $pPropertyKeys.length }}
+  {{~ $pPropertyKeys:$pProperty }}
+    {{ var $sch = $pProperties[$pProperty]; }}
 
-  {{? {{# def.nonEmptySchema:$sch}} }}
-    {{
-      $it.schema = $sch;
-      $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
-      $it.errSchemaPath = it.errSchemaPath + '/patternProperties/'
-                                           + it.util.escapeFragment($pProperty);
-    }}
+    {{? {{# def.nonEmptySchema:$sch}} }}
+      {{
+        $it.schema = $sch;
+        $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+        $it.errSchemaPath = it.errSchemaPath + '/patternProperties/'
+                                             + it.util.escapeFragment($pProperty);
+      }}
 
-    for (var {{=$key}} in {{=$data}}) {
-      {{# def.checkOwnProperty }}
-      if ({{= it.usePattern($pProperty) }}.test({{=$key}})) {
-        {{
-          $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
-          var $passData = $data + '[' + $key + ']';
-          $it.dataPathArr[$dataNxt] = $key;
-        }}
+      {{# def.iterateProperties }}
+        if ({{= it.usePattern($pProperty) }}.test({{=$key}})) {
+          {{
+            $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+            var $passData = $data + '[' + $key + ']';
+            $it.dataPathArr[$dataNxt] = $key;
+          }}
 
-        {{# def.generateSubschemaCode }}
-        {{# def.optimizeValidate }}
+          {{# def.generateSubschemaCode }}
+          {{# def.optimizeValidate }}
 
-        {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+          {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+        }
+        {{? $breakOnError }} else {{=$nextValid}} = true; {{?}}
       }
-      {{? $breakOnError }} else {{=$nextValid}} = true; {{?}}
-    }
 
-    {{# def.ifResultValid }}
-  {{?}} {{ /* def.nonEmptySchema */ }}
-{{~}}
+      {{# def.ifResultValid }}
+    {{?}} {{ /* def.nonEmptySchema */ }}
+  {{~}}
+{{?}}
 
 
-{{? it.opts.v5 }}
+{{? it.opts.patternGroups && $pgPropertyKeys.length }}
   {{~ $pgPropertyKeys:$pgProperty }}
     {{
       var $pgSchema = $pgProperties[$pgProperty]
@@ -255,8 +264,7 @@ var {{=$nextValid}} = true;
 
       var pgPropCount{{=$lvl}} = 0;
 
-      for (var {{=$key}} in {{=$data}}) {
-        {{# def.checkOwnProperty }}
+      {{# def.iterateProperties }}
         if ({{= it.usePattern($pgProperty) }}.test({{=$key}})) {
           pgPropCount{{=$lvl}}++;
 

tools/eslint/node_modules/ajv/lib/dot/propertyNames.jst

@@ -0,0 +1,54 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{? {{# def.nonEmptySchema:$schema }} }}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  {{
+    var $key = 'key' + $lvl
+      , $idx = 'idx' + $lvl
+      , $i = 'i' + $lvl
+      , $invalidName = '\' + ' + $key + ' + \''
+      , $dataNxt = $it.dataLevel = it.dataLevel + 1
+      , $nextData = 'data' + $dataNxt
+      , $dataProperties = 'dataProperties' + $lvl
+      , $ownProperties = it.opts.ownProperties
+      , $currentBaseId = it.baseId;
+  }}
+
+  var {{=$errs}} = errors;
+
+  {{? $ownProperties }}
+    var {{=$dataProperties}} = undefined;
+  {{?}}
+  {{# def.iterateProperties }}
+    var startErrs{{=$lvl}} = errors;
+
+    {{ var $passData = $key; }}
+    {{# def.setCompositeRule }}
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+    {{# def.resetCompositeRule }}
+
+    if (!{{=$nextValid}}) {
+      for (var {{=$i}}=startErrs{{=$lvl}}; {{=$i}}<errors; {{=$i}}++) {
+        vErrors[{{=$i}}].propertyName = {{=$key}};
+      }
+      {{# def.extraError:'propertyNames' }}
+      {{? $breakOnError }} break; {{?}}
+    }
+  }
+{{?}}
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
+
+{{# def.cleanUp }}

tools/eslint/node_modules/ajv/lib/dot/ref.jst

@@ -25,21 +25,16 @@
 {{??}}
   {{ var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot); }}
   {{? $refVal === undefined }}
-    {{ var $message = 'can\'t resolve reference ' + $schema + ' from id ' + it.baseId; }}
+    {{ var $message = it.MissingRefError.message(it.baseId, $schema); }}
     {{? it.opts.missingRefs == 'fail' }}
-      {{ console.log($message); }}
+      {{ console.error($message); }}
       {{# def.error:'$ref' }}
       {{? $breakOnError }} if (false) { {{?}}
     {{?? it.opts.missingRefs == 'ignore' }}
-      {{ console.log($message); }}
+      {{ console.warn($message); }}
       {{? $breakOnError }} if (true) { {{?}}
     {{??}}
-      {{
-        var $error = new Error($message);
-        $error.missingRef = it.resolve.url(it.baseId, $schema);
-        $error.missingSchema = it.resolve.normalizeId(it.resolve.fullPath($error.missingRef));
-        throw $error;
-      }}
+      {{ throw new it.MissingRefError(it.baseId, $schema, $message); }}
     {{?}}
   {{?? $refVal.inline }}
     {{# def.setupNextLevel }}
@@ -68,12 +63,16 @@
 
   {{? $async }}
     {{ if (!it.async) throw new Error('async schema referenced by sync schema'); }}
-    try { {{? $breakOnError }}var {{=$valid}} ={{?}} {{=it.yieldAwait}} {{=__callValidate}}; }
-    catch (e) {
+    {{? $breakOnError }} var {{=$valid}}; {{?}}
+    try {
+      {{=it.yieldAwait}} {{=__callValidate}};
+      {{? $breakOnError }} {{=$valid}} = true; {{?}}
+    } catch (e) {
       if (!(e instanceof ValidationError)) throw e;
       if (vErrors === null) vErrors = e.errors;
       else vErrors = vErrors.concat(e.errors);
       errors = vErrors.length;
+      {{? $breakOnError }} {{=$valid}} = false; {{?}}
     }
     {{? $breakOnError }} if ({{=$valid}}) { {{?}}
   {{??}}

tools/eslint/node_modules/ajv/lib/dot/required.jst

@@ -22,6 +22,11 @@
 #}}
 
 
+{{## def.isRequiredOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, {{=$vSchema}}[{{=$i}}])
+#}}
+
+
 {{? !$isData }}
   {{? $schema.length < it.opts.loopRequired &&
       it.schema.properties && Object.keys(it.schema.properties).length }}
@@ -41,7 +46,8 @@
 {{? $isData || $required.length }}
   {{
     var $currentErrorPath = it.errorPath
-      , $loopRequired = $isData || $required.length >= it.opts.loopRequired;
+      , $loopRequired = $isData || $required.length >= it.opts.loopRequired
+      , $ownProperties = it.opts.ownProperties;
   }}
 
   {{? $breakOnError }}
@@ -53,7 +59,10 @@
       {{?$isData}}{{# def.check$dataIsArray }}{{?}}
 
       for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
-        {{=$valid}} = {{=$data}}[{{=$vSchema}}[{{=$i}}]] !== undefined;
+        {{=$valid}} = {{=$data}}[{{=$vSchema}}[{{=$i}}]] !== undefined
+                      {{? $ownProperties }}
+                        && {{# def.isRequiredOwnProperty }}
+                      {{?}};
         if (!{{=$valid}}) break;
       }
 
@@ -76,14 +85,17 @@
       {{?}}
 
       for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
-        if ({{=$data}}[{{=$vSchema}}[{{=$i}}]] === undefined) {
+        if ({{=$data}}[{{=$vSchema}}[{{=$i}}]] === undefined
+            {{? $ownProperties }}
+              || !{{# def.isRequiredOwnProperty }}
+            {{?}}) {
           {{# def.addError:'required' }}
         }
       }
 
       {{? $isData }}  }  {{?}}
     {{??}}
-      {{~ $required:$reqProperty }}
+      {{~ $required:$propertyKey }}
         {{# def.allErrorsMissingProperty:'required' }}
       {{~}}
     {{?}}

tools/eslint/node_modules/ajv/lib/dot/validate.jst

@@ -14,48 +14,93 @@
     * validateRef etc. are defined in the parent scope in index.js
     */ }}
 
-{{ var $async = it.schema.$async === true; }}
+{{
+  var $async = it.schema.$async === true
+    , $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref')
+    , $id = it.self._getId(it.schema);
+}}
 
-{{? it.isTop}}
+{{? it.isTop }}
+  {{? $async }}
+    {{
+      it.async = true;
+      var $es7 = it.opts.async == 'es7';
+      it.yieldAwait = $es7 ? 'await' : 'yield';
+    }}
+  {{?}}
+
+  var validate =
+    {{? $async }}
+      {{? $es7 }}
+        (async function
+      {{??}}
+        {{? it.opts.async != '*'}}co.wrap{{?}}(function*
+      {{?}}
+    {{??}}
+      (function
+    {{?}}
+        (data, dataPath, parentData, parentDataProperty, rootData) {
+          'use strict';
+          {{? $id && (it.opts.sourceCode || it.opts.processCode) }}
+            {{= '/\*# sourceURL=' + $id + ' */' }}
+          {{?}}
+{{?}}
+
+{{? typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref) }}
+  {{ var $keyword = 'false schema'; }}
+  {{# def.setupKeyword }}
+  {{? it.schema === false}}
+    {{? it.isTop}}
+      {{ $breakOnError = true; }}
+    {{??}}
+      var {{=$valid}} = false;
+    {{?}}
+    {{# def.error:'false schema' }}
+  {{??}}
+    {{? it.isTop}}
+      {{? $async }}
+        return data;
+      {{??}}
+        validate.errors = null;
+        return true;
+      {{?}}
+    {{??}}
+      var {{=$valid}} = true;
+    {{?}}
+  {{?}}
+
+  {{? it.isTop}}
+    });
+    return validate;
+  {{?}}
+
+  {{ return out; }}
+{{?}}
+
+
+{{? it.isTop }}
   {{
     var $top = it.isTop
       , $lvl = it.level = 0
       , $dataLvl = it.dataLevel = 0
       , $data = 'data';
-    it.rootId = it.resolve.fullPath(it.root.schema.id);
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
     it.baseId = it.baseId || it.rootId;
-    if ($async) {
-      it.async = true;
-      var $es7 = it.opts.async == 'es7';
-      it.yieldAwait = $es7 ? 'await' : 'yield';
-    }
     delete it.isTop;
 
     it.dataPathArr = [undefined];
   }}
 
-  var validate =
-  {{? $async }}
-    {{? $es7 }}
-      (async function
-    {{??}}
-      {{? it.opts.async == 'co*'}}co.wrap{{?}}(function*
-    {{?}}
-  {{??}}
-    (function
-  {{?}}
-    (data, dataPath, parentData, parentDataProperty, rootData) {
-    'use strict';
-    var vErrors = null; {{ /* don't edit, used in replace */ }}
-    var errors = 0;     {{ /* don't edit, used in replace */ }}
-    if (rootData === undefined) rootData = data;
+  var vErrors = null; {{ /* don't edit, used in replace */ }}
+  var errors = 0;     {{ /* don't edit, used in replace */ }}
+  if (rootData === undefined) rootData = data; {{ /* don't edit, used in replace */ }}
 {{??}}
   {{
     var $lvl = it.level
       , $dataLvl = it.dataLevel
       , $data = 'data' + ($dataLvl || '');
 
-    if (it.schema.id) it.baseId = it.resolve.url(it.baseId, it.schema.id);
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
 
     if ($async && !it.async) throw new Error('async schema in sync schema');
   }}
@@ -72,6 +117,11 @@
   var $errorKeyword;
   var $typeSchema = it.schema.type
     , $typeIsArray = Array.isArray($typeSchema);
+
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
 }}
 
 {{## def.checkType:
@@ -84,28 +134,39 @@
   if ({{= it.util[$method]($typeSchema, $data, true) }}) {
 #}}
 
-{{? $typeSchema && it.opts.coerceTypes }}
-  {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
-  {{? $coerceToTypes }}
+{{? it.schema.$ref && $refKeywords }}
+  {{? it.opts.extendRefs == 'fail' }}
+    {{ throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)'); }}
+  {{?? it.opts.extendRefs !== true }}
+    {{
+      $refKeywords = false;
+      console.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }}
+  {{?}}
+{{?}}
+
+{{? $typeSchema }}
+  {{? it.opts.coerceTypes }}
+    {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
+  {{?}}
+
+  {{ var $rulesGroup = it.RULES.types[$typeSchema]; }}
+  {{? $coerceToTypes || $typeIsArray || $rulesGroup === true ||
+    ($rulesGroup && !$shouldUseGroup($rulesGroup)) }}
+    {{
+      var $schemaPath = it.schemaPath + '.type'
+        , $errSchemaPath = it.errSchemaPath + '/type';
+    }}
     {{# def.checkType }}
-      {{# def.coerceType }}
+      {{? $coerceToTypes }}
+        {{# def.coerceType }}
+      {{??}}
+        {{# def.error:'type' }}
+      {{?}}
     }
   {{?}}
 {{?}}
 
-{{ var $refKeywords; }}
-{{? it.schema.$ref && ($refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref')) }}
-  {{? it.opts.extendRefs == 'fail' }}
-    {{ throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '"'); }}
-  {{?? it.opts.extendRefs == 'ignore' }}
-    {{
-      $refKeywords = false;
-      console.log('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
-    }}
-  {{?? it.opts.extendRefs !== true }}
-    {{ console.log('$ref: all keywords used in schema at path "' + it.errSchemaPath + '". It will change in the next major version, see issue #260. Use option { extendRefs: true } to keep current behaviour'); }}
-  {{?}}
-{{?}}
 
 {{? it.schema.$ref && !$refKeywords }}
   {{= it.RULES.all.$ref.code(it, '$ref') }}
@@ -115,6 +176,9 @@
     {{ $closingBraces2 += '}'; }}
   {{?}}
 {{??}}
+  {{? it.opts.v5 && it.schema.patternGroups }}
+    {{ console.warn('keyword "patternGroups" is deprecated and disabled. Use option patternGroups: true to enable.'); }}
+  {{?}}
   {{~ it.RULES:$rulesGroup }}
     {{? $shouldUseGroup($rulesGroup) }}
       {{? $rulesGroup.type }}
@@ -129,9 +193,12 @@
         {{?}}
         {{~ $rulesGroup.rules:$rule }}
           {{? $shouldUseRule($rule) }}
-            {{= $rule.code(it, $rule.keyword) }}
-            {{? $breakOnError }}
-              {{ $closingBraces1 += '}'; }}
+            {{ var $code = $rule.code(it, $rule.keyword, $rulesGroup.type); }}
+            {{? $code }}
+              {{= $code }}
+              {{? $breakOnError }}
+                {{ $closingBraces1 += '}'; }}
+              {{?}}
             {{?}}
           {{?}}
         {{~}}
@@ -142,7 +209,6 @@
       {{? $rulesGroup.type }}
         }
         {{? $typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes }}
-          {{ var $typeChecked = true; }}
           else {
             {{
               var $schemaPath = it.schemaPath + '.type'
@@ -161,17 +227,11 @@
   {{~}}
 {{?}}
 
-{{? $typeSchema && !$typeChecked && !$coerceToTypes }}
-  {{# def.checkType }}
-    {{# def.error:'type' }}
-  }
-{{?}}
-
 {{? $breakOnError }} {{= $closingBraces2 }} {{?}}
 
 {{? $top }}
     {{? $async }}
-      if (errors === 0) return true;           {{ /* don't edit, used in replace */ }}
+      if (errors === 0) return data;           {{ /* don't edit, used in replace */ }}
       else throw new ValidationError(vErrors); {{ /* don't edit, used in replace */ }}
     {{??}}
       validate.errors = vErrors; {{ /* don't edit, used in replace */ }}
@@ -186,25 +246,27 @@
 
 {{# def.cleanUp }}
 
-{{? $top && $breakOnError }}
-  {{# def.cleanUpVarErrors }}
+{{? $top }}
+  {{# def.finalCleanUp }}
 {{?}}
 
 {{
   function $shouldUseGroup($rulesGroup) {
-    for (var i=0; i < $rulesGroup.rules.length; i++)
-      if ($shouldUseRule($rulesGroup.rules[i]))
+    var rules = $rulesGroup.rules;
+    for (var i=0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i]))
         return true;
   }
 
   function $shouldUseRule($rule) {
     return it.schema[$rule.keyword] !== undefined ||
-           ( $rule.keyword == 'properties' &&
-             ( it.schema.additionalProperties === false ||
-               typeof it.schema.additionalProperties == 'object'
-               || ( it.schema.patternProperties &&
-                    Object.keys(it.schema.patternProperties).length )
-               || ( it.opts.v5 && it.schema.patternGroups &&
-                    Object.keys(it.schema.patternGroups).length )));
+           ($rule.implements && $ruleImlementsSomeKeyword($rule));
+  }
+
+  function $ruleImlementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i=0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined)
+        return true;
   }
 }}

tools/eslint/node_modules/ajv/lib/dotjs/_limit.js

@@ -1,5 +1,5 @@
 'use strict';
-module.exports = function generate__limit(it, $keyword) {
+module.exports = function generate__limit(it, $keyword, $ruleType) {
   var out = ' ';
   var $lvl = it.level;
   var $dataLvl = it.dataLevel;
@@ -9,7 +9,7 @@ module.exports = function generate__limit(it, $keyword) {
   var $breakOnError = !it.opts.allErrors;
   var $errorKeyword;
   var $data = 'data' + ($dataLvl || '');
-  var $isData = it.opts.v5 && $schema && $schema.$data,
+  var $isData = it.opts.$data && $schema && $schema.$data,
     $schemaValue;
   if ($isData) {
     out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
@@ -20,17 +20,20 @@ module.exports = function generate__limit(it, $keyword) {
   var $isMax = $keyword == 'maximum',
     $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum',
     $schemaExcl = it.schema[$exclusiveKeyword],
-    $isDataExcl = it.opts.v5 && $schemaExcl && $schemaExcl.$data,
+    $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
     $op = $isMax ? '<' : '>',
-    $notOp = $isMax ? '>' : '<';
+    $notOp = $isMax ? '>' : '<',
+    $errorKeyword = undefined;
   if ($isDataExcl) {
     var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
       $exclusive = 'exclusive' + $lvl,
+      $exclType = 'exclType' + $lvl,
+      $exclIsNumber = 'exclIsNumber' + $lvl,
       $opExpr = 'op' + $lvl,
       $opStr = '\' + ' + $opExpr + ' + \'';
     out += ' var schemaExcl' + ($lvl) + ' = ' + ($schemaValueExcl) + '; ';
     $schemaValueExcl = 'schemaExcl' + $lvl;
-    out += ' var exclusive' + ($lvl) + '; if (typeof ' + ($schemaValueExcl) + ' != \'boolean\' && typeof ' + ($schemaValueExcl) + ' != \'undefined\') { ';
+    out += ' var ' + ($exclusive) + '; var ' + ($exclType) + ' = typeof ' + ($schemaValueExcl) + '; if (' + ($exclType) + ' != \'boolean\' && ' + ($exclType) + ' != \'undefined\' && ' + ($exclType) + ' != \'number\') { ';
     var $errorKeyword = $exclusiveKeyword;
     var $$outStack = $$outStack || [];
     $$outStack.push(out);
@@ -58,27 +61,49 @@ module.exports = function generate__limit(it, $keyword) {
     } else {
       out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
     }
-    out += ' } else if( ';
+    out += ' } else if ( ';
     if ($isData) {
       out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
     }
-    out += ' ((exclusive' + ($lvl) + ' = ' + ($schemaValueExcl) + ' === true) ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValue) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ') || ' + ($data) + ' !== ' + ($data) + ') { var op' + ($lvl) + ' = exclusive' + ($lvl) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\';';
+    out += ' ' + ($exclType) + ' == \'number\' ? ( (' + ($exclusive) + ' = ' + ($schemaValue) + ' === undefined || ' + ($schemaValueExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ') ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValueExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) : ( (' + ($exclusive) + ' = ' + ($schemaValueExcl) + ' === true) ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValue) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { var op' + ($lvl) + ' = ' + ($exclusive) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\';';
   } else {
-    var $exclusive = $schemaExcl === true,
+    var $exclIsNumber = typeof $schemaExcl == 'number',
       $opStr = $op;
-    if (!$exclusive) $opStr += '=';
-    var $opExpr = '\'' + $opStr + '\'';
-    out += ' if ( ';
-    if ($isData) {
-      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+    if ($exclIsNumber && $isData) {
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ( ' + ($schemaValue) + ' === undefined || ' + ($schemaExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ' ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { ';
+    } else {
+      if ($exclIsNumber && $schema === undefined) {
+        $exclusive = true;
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaExcl;
+        $notOp += '=';
+      } else {
+        if ($exclIsNumber) $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          $exclusive = true;
+          $errorKeyword = $exclusiveKeyword;
+          $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' || ' + ($data) + ' !== ' + ($data) + ') { ';
     }
-    out += ' ' + ($data) + ' ' + ($notOp);
-    if ($exclusive) {
-      out += '=';
-    }
-    out += ' ' + ($schemaValue) + ' || ' + ($data) + ' !== ' + ($data) + ') {';
   }
-  var $errorKeyword = $keyword;
+  $errorKeyword = $errorKeyword || $keyword;
   var $$outStack = $$outStack || [];
   $$outStack.push(out);
   out = ''; /* istanbul ignore else */
@@ -89,7 +114,7 @@ module.exports = function generate__limit(it, $keyword) {
       if ($isData) {
         out += '\' + ' + ($schemaValue);
       } else {
-        out += '' + ($schema) + '\'';
+        out += '' + ($schemaValue) + '\'';
       }
     }
     if (it.opts.verbose) {