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							62 lines
						
					
					
						
							1.7 KiB
						
					
					
				
			
		
		
	
	
							62 lines
						
					
					
						
							1.7 KiB
						
					
					
				var Stack = require('./_Stack'), | 
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    baseIsEqual = require('./_baseIsEqual'); | 
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 | 
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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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 | 
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/** | 
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 * The base implementation of `_.isMatch` without support for iteratee shorthands. | 
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 * | 
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 * @private | 
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 * @param {Object} object The object to inspect. | 
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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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 * @returns {boolean} Returns `true` if `object` is a match, else `false`. | 
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 */ | 
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function baseIsMatch(object, source, matchData, customizer) { | 
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  var index = matchData.length, | 
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      length = index, | 
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      noCustomizer = !customizer; | 
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 | 
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  if (object == null) { | 
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    return !length; | 
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  } | 
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  object = Object(object); | 
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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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        ) { | 
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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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    data = matchData[index]; | 
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    var key = data[0], | 
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        objValue = object[key], | 
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        srcValue = data[1]; | 
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 | 
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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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    } else { | 
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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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      if (!(result === undefined | 
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            ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack) | 
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            : result | 
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          )) { | 
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        return false; | 
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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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 | 
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module.exports = baseIsMatch;
 | 
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 |