baseMatchesProperty.js
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define(['./baseGet', './baseIsEqual', './baseSlice', '../lang/isArray', './isKey', './isStrictComparable', '../array/last', './toObject', './toPath'], function(baseGet, baseIsEqual, baseSlice, isArray, isKey, isStrictComparable, last, toObject, toPath) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
var undefined;
/**
* The base implementation of `_.matchesProperty` which does not clone `srcValue`.
*
* @private
* @param {string} path The path of the property to get.
* @param {*} srcValue The value to compare.
* @returns {Function} Returns the new function.
*/
function baseMatchesProperty(path, srcValue) {
var isArr = isArray(path),
isCommon = isKey(path) && isStrictComparable(srcValue),
pathKey = (path + '');
path = toPath(path);
return function(object) {
if (object == null) {
return false;
}
var key = pathKey;
object = toObject(object);
if ((isArr || !isCommon) && !(key in object)) {
object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
if (object == null) {
return false;
}
key = last(path);
object = toObject(object);
}
return object[key] === srcValue
? (srcValue !== undefined || (key in object))
: baseIsEqual(srcValue, object[key], undefined, true);
};
}
return baseMatchesProperty;
});