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synced 2026-11-09 15:11:11 -05:00
Rich Trott
d7aa8fa088
Update ESLint to 2.1.0. ESLint has a number of potentially-useful new features but this change attempts to be minimal in its changes. However, some things could not be avoided reasonably. ESLint 2.1.0 found a few lint issues that ESLing 1.x missed with template strings that did not take advantage of any features of template strings, and `let` declarations where `const` sufficed. Additionally, ESLint 2.1.0 removes some granularity around enabling ES6 features. Some features (e.g., spread operator) that had been turned off in our configuration for ESLint 1.x are now permitted. PR-URL: https://github.com/nodejs/node/pull/5214 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: jbergstroem - Johan Bergström <bugs@bergstroem.nu> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Myles Borins <myles.borins@gmail.com>
83 lines
2.6 KiB
JavaScript
83 lines
2.6 KiB
JavaScript
var baseHas = require('./_baseHas'),
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keys = require('./keys');
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/** Used to compose bitmasks for comparison styles. */
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var PARTIAL_COMPARE_FLAG = 2;
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/**
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* A specialized version of `baseIsEqualDeep` for objects with support for
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* partial deep comparisons.
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*
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* @private
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* @param {Object} object The object to compare.
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* @param {Object} other The other object to compare.
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* @param {Function} equalFunc The function to determine equivalents of values.
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* @param {Function} [customizer] The function to customize comparisons.
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* @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual` for more details.
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* @param {Object} [stack] Tracks traversed `object` and `other` objects.
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* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
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*/
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function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
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var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
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objProps = keys(object),
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objLength = objProps.length,
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othProps = keys(other),
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othLength = othProps.length;
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if (objLength != othLength && !isPartial) {
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return false;
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}
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var index = objLength;
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while (index--) {
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var key = objProps[index];
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if (!(isPartial ? key in other : baseHas(other, key))) {
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return false;
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}
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}
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// Assume cyclic values are equal.
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var stacked = stack.get(object);
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if (stacked) {
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return stacked == other;
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}
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var result = true;
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stack.set(object, other);
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var skipCtor = isPartial;
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while (++index < objLength) {
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key = objProps[index];
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var objValue = object[key],
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othValue = other[key];
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if (customizer) {
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var compared = isPartial
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? customizer(othValue, objValue, key, other, object, stack)
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: customizer(objValue, othValue, key, object, other, stack);
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}
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// Recursively compare objects (susceptible to call stack limits).
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if (!(compared === undefined
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? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
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: compared
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)) {
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result = false;
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break;
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}
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skipCtor || (skipCtor = key == 'constructor');
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}
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if (result && !skipCtor) {
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var objCtor = object.constructor,
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othCtor = other.constructor;
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// Non `Object` object instances with different constructors are not equal.
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if (objCtor != othCtor &&
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('constructor' in object && 'constructor' in other) &&
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!(typeof objCtor == 'function' && objCtor instanceof objCtor &&
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typeof othCtor == 'function' && othCtor instanceof othCtor)) {
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result = false;
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}
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}
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stack['delete'](object);
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return result;
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}
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module.exports = equalObjects;
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