30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
var baseIsEqualDeep = require('./_baseIsEqualDeep'),
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isObject = require('./isObject'),
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isObjectLike = require('./isObjectLike');
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/**
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* The base implementation of `_.isEqual` which supports partial comparisons
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* and tracks traversed objects.
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*
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* @private
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* @param {*} value The value to compare.
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* @param {*} other The other value to compare.
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* @param {Function} [customizer] The function to customize comparisons.
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* @param {boolean} [bitmask] The bitmask of comparison flags.
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* The bitmask may be composed of the following flags:
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* 1 - Unordered comparison
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* 2 - Partial comparison
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* @param {Object} [stack] Tracks traversed `value` and `other` objects.
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* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
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*/
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function baseIsEqual(value, other, customizer, bitmask, stack) {
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if (value === other) {
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return true;
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}
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if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
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return value !== value && other !== other;
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}
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return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
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}
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module.exports = baseIsEqual;
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