baseMatches.js
962 Bytes
define(['./baseIsMatch', './getMatchData', './toObject'], function(baseIsMatch, getMatchData, toObject) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
var undefined;
/**
* The base implementation of `_.matches` which does not clone `source`.
*
* @private
* @param {Object} source The object of property values to match.
* @returns {Function} Returns the new function.
*/
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;
}
object = toObject(object);
return object[key] === value && (value !== undefined || (key in object));
};
}
return function(object) {
return baseIsMatch(object, matchData);
};
}
return baseMatches;
});