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synced 2026-11-09 15:11:11 -05:00
Rich Trott
f44969a5ab
We have been stalled on ESLint 3.8.0 for some time. Current ESLint is 3.13.0. We have been unable to upgrade because of more aggressive reporting on some rules, including indentation. ESLint configuration options and bugfixes are now such that we can reasonably upgrade. PR-URL: https://github.com/nodejs/node/pull/10561 Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
107 lines
3.6 KiB
JavaScript
107 lines
3.6 KiB
JavaScript
var baseSetData = require('./_baseSetData'),
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createBind = require('./_createBind'),
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createCurry = require('./_createCurry'),
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createHybrid = require('./_createHybrid'),
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createPartial = require('./_createPartial'),
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getData = require('./_getData'),
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mergeData = require('./_mergeData'),
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setData = require('./_setData'),
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setWrapToString = require('./_setWrapToString'),
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toInteger = require('./toInteger');
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/** Error message constants. */
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var FUNC_ERROR_TEXT = 'Expected a function';
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/** Used to compose bitmasks for function metadata. */
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var WRAP_BIND_FLAG = 1,
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WRAP_BIND_KEY_FLAG = 2,
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WRAP_CURRY_FLAG = 8,
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WRAP_CURRY_RIGHT_FLAG = 16,
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WRAP_PARTIAL_FLAG = 32,
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WRAP_PARTIAL_RIGHT_FLAG = 64;
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/* Built-in method references for those with the same name as other `lodash` methods. */
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var nativeMax = Math.max;
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/**
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* Creates a function that either curries or invokes `func` with optional
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* `this` binding and partially applied arguments.
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*
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* @private
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* @param {Function|string} func The function or method name to wrap.
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* @param {number} bitmask The bitmask flags.
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* 1 - `_.bind`
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* 2 - `_.bindKey`
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* 4 - `_.curry` or `_.curryRight` of a bound function
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* 8 - `_.curry`
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* 16 - `_.curryRight`
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* 32 - `_.partial`
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* 64 - `_.partialRight`
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* 128 - `_.rearg`
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* 256 - `_.ary`
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* 512 - `_.flip`
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* @param {*} [thisArg] The `this` binding of `func`.
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* @param {Array} [partials] The arguments to be partially applied.
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* @param {Array} [holders] The `partials` placeholder indexes.
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* @param {Array} [argPos] The argument positions of the new function.
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* @param {number} [ary] The arity cap of `func`.
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* @param {number} [arity] The arity of `func`.
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* @returns {Function} Returns the new wrapped function.
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*/
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function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
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var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
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if (!isBindKey && typeof func != 'function') {
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throw new TypeError(FUNC_ERROR_TEXT);
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}
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var length = partials ? partials.length : 0;
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if (!length) {
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bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
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partials = holders = undefined;
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}
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ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
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arity = arity === undefined ? arity : toInteger(arity);
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length -= holders ? holders.length : 0;
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if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
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var partialsRight = partials,
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holdersRight = holders;
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partials = holders = undefined;
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}
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var data = isBindKey ? undefined : getData(func);
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var newData = [
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func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
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argPos, ary, arity
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];
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if (data) {
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mergeData(newData, data);
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}
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func = newData[0];
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bitmask = newData[1];
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thisArg = newData[2];
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partials = newData[3];
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holders = newData[4];
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arity = newData[9] = newData[9] === undefined
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? (isBindKey ? 0 : func.length)
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: nativeMax(newData[9] - length, 0);
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if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
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bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
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}
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if (!bitmask || bitmask == WRAP_BIND_FLAG) {
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var result = createBind(func, bitmask, thisArg);
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} else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
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result = createCurry(func, bitmask, arity);
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} else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
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result = createPartial(func, bitmask, thisArg, partials);
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} else {
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result = createHybrid.apply(undefined, newData);
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}
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var setter = data ? baseSetData : setData;
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return setWrapToString(setter(result, newData), func, bitmask);
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}
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module.exports = createWrap;
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