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node/tools/node_modules/eslint/lib/rules/no-delete-var.js
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Node.js GitHub Bot bf8dd3f293 tools: update eslint to 8.40.0
PR-URL: https://github.com/nodejs/node/pull/47906
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Mestery <mestery@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2023-05-09 06:38:21 +00:00

43 lines
983 B
JavaScript

/**
* @fileoverview Rule to flag when deleting variables
* @author Ilya Volodin
*/
"use strict";
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
type: "suggestion",
docs: {
description: "Disallow deleting variables",
recommended: true,
url: "https://eslint.org/docs/latest/rules/no-delete-var"
},
schema: [],
messages: {
unexpected: "Variables should not be deleted."
}
},
create(context) {
return {
UnaryExpression(node) {
if (node.operator === "delete" && node.argument.type === "Identifier") {
context.report({ node, messageId: "unexpected" });
}
}
};
}
};