diff --git a/lodash.js b/lodash.js index 77f59d3c5..5716dfc8b 100644 --- a/lodash.js +++ b/lodash.js @@ -3196,16 +3196,7 @@ function baseMatches(source) { var matchData = getMatchData(source); if (matchData.length == 1 && matchData[0][2]) { - var key = matchData[0][0], - value = matchData[0][1]; - - return function(object) { - if (object == null) { - return false; - } - return object[key] === value && - (value !== undefined || (key in Object(object))); - }; + return matchesStrictComparable(matchData[0][0], matchData[0][1]); } return function(object) { return object === source || baseIsMatch(object, source, matchData); @@ -3221,6 +3212,9 @@ * @returns {Function} Returns the new function. */ function baseMatchesProperty(path, srcValue) { + if (isKey(path) && isStrictComparable(srcValue)) { + return matchesStrictComparable(path, srcValue); + } return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) @@ -5573,6 +5567,25 @@ return value === value && !isObject(value); } + /** + * A specialized version of `matchesProperty` for source values suitable + * for strict equality comparisons, i.e. `===`. + * + * @private + * @param {string} key The key of the property to get. + * @param {*} srcValue The value to match. + * @returns {Function} Returns the new function. + */ + function matchesStrictComparable(key, srcValue) { + return function(object) { + if (object == null) { + return false; + } + return object[key] === srcValue && + (srcValue !== undefined || (key in Object(object))); + }; + } + /** * Merges the function metadata of `source` into `data`. *