1 var baseIsEqualDeep = require('./_baseIsEqualDeep'),
2 isObject = require('./isObject'),
3 isObjectLike = require('./isObjectLike');
6 * The base implementation of `_.isEqual` which supports partial comparisons
7 * and tracks traversed objects.
10 * @param {*} value The value to compare.
11 * @param {*} other The other value to compare.
12 * @param {Function} [customizer] The function to customize comparisons.
13 * @param {boolean} [bitmask] The bitmask of comparison flags.
14 * The bitmask may be composed of the following flags:
15 * 1 - Unordered comparison
16 * 2 - Partial comparison
17 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
18 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
20 function baseIsEqual(value, other, customizer, bitmask, stack) {
21 if (value === other) {
24 if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
25 return value !== value && other !== other;
27 return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
30 module.exports = baseIsEqual;