2016-01-28 01:16:24 -08:00
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define(['./_Stack', './_baseIsEqual'], function(Stack, baseIsEqual) {
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2015-01-08 00:37:01 -08:00
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/** Used as a safe reference for `undefined` in pre-ES5 environments. */
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var undefined;
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2016-11-13 22:49:46 -08:00
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/** Used to compose bitmasks for value comparisons. */
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var COMPARE_PARTIAL_FLAG = 1,
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COMPARE_UNORDERED_FLAG = 2;
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2015-12-16 17:53:20 -08:00
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2015-01-08 00:37:01 -08:00
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/**
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2015-12-16 17:53:20 -08:00
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* The base implementation of `_.isMatch` without support for iteratee shorthands.
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2015-01-08 00:37:01 -08:00
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*
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* @private
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2015-12-16 17:46:22 -08:00
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* @param {Object} object The object to inspect.
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2015-12-16 17:53:20 -08:00
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* @param {Object} source The object of property values to match.
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* @param {Array} matchData The property names, values, and compare flags to match.
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* @param {Function} [customizer] The function to customize comparisons.
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2015-01-08 00:37:01 -08:00
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* @returns {boolean} Returns `true` if `object` is a match, else `false`.
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*/
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2015-12-16 17:53:20 -08:00
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function baseIsMatch(object, source, matchData, customizer) {
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2015-12-16 17:50:42 -08:00
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var index = matchData.length,
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length = index,
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2015-01-08 00:37:01 -08:00
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noCustomizer = !customizer;
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2015-12-16 17:50:42 -08:00
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if (object == null) {
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return !length;
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}
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2015-12-16 17:53:20 -08:00
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object = Object(object);
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2015-12-16 17:50:42 -08:00
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while (index--) {
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var data = matchData[index];
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if ((noCustomizer && data[2])
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? data[1] !== object[data[0]]
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: !(data[0] in object)
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2015-01-08 00:37:01 -08:00
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) {
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return false;
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}
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}
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while (++index < length) {
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2015-12-16 17:50:42 -08:00
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data = matchData[index];
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var key = data[0],
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2015-12-16 17:49:07 -08:00
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objValue = object[key],
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2015-12-16 17:50:42 -08:00
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srcValue = data[1];
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2015-12-16 17:49:07 -08:00
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2015-12-16 17:50:42 -08:00
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if (noCustomizer && data[2]) {
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if (objValue === undefined && !(key in object)) {
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return false;
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}
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2015-01-08 00:37:01 -08:00
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} else {
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2016-03-26 00:00:01 -07:00
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var stack = new Stack;
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if (customizer) {
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var result = customizer(objValue, srcValue, key, object, source, stack);
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}
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2016-01-24 18:06:10 -08:00
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if (!(result === undefined
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2016-11-13 22:49:46 -08:00
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? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
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2016-01-24 18:06:10 -08:00
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: result
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)) {
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2015-12-16 17:50:42 -08:00
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return false;
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2015-01-08 00:37:01 -08:00
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}
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}
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}
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return true;
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}
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return baseIsMatch;
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});
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