forked from kevin.shehu/GGD
63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
var Stack = require('./_Stack'),
|
|
baseIsEqual = require('./_baseIsEqual');
|
|
|
|
/** Used to compose bitmasks for value comparisons. */
|
|
var COMPARE_PARTIAL_FLAG = 1,
|
|
COMPARE_UNORDERED_FLAG = 2;
|
|
|
|
/**
|
|
* The base implementation of `_.isMatch` without support for iteratee shorthands.
|
|
*
|
|
* @private
|
|
* @param {Object} object The object to inspect.
|
|
* @param {Object} source The object of property values to match.
|
|
* @param {Array} matchData The property names, values, and compare flags to match.
|
|
* @param {Function} [customizer] The function to customize comparisons.
|
|
* @returns {boolean} Returns `true` if `object` is a match, else `false`.
|
|
*/
|
|
function baseIsMatch(object, source, matchData, customizer) {
|
|
var index = matchData.length,
|
|
length = index,
|
|
noCustomizer = !customizer;
|
|
|
|
if (object == null) {
|
|
return !length;
|
|
}
|
|
object = Object(object);
|
|
while (index--) {
|
|
var data = matchData[index];
|
|
if ((noCustomizer && data[2])
|
|
? data[1] !== object[data[0]]
|
|
: !(data[0] in object)
|
|
) {
|
|
return false;
|
|
}
|
|
}
|
|
while (++index < length) {
|
|
data = matchData[index];
|
|
var key = data[0],
|
|
objValue = object[key],
|
|
srcValue = data[1];
|
|
|
|
if (noCustomizer && data[2]) {
|
|
if (objValue === undefined && !(key in object)) {
|
|
return false;
|
|
}
|
|
} else {
|
|
var stack = new Stack;
|
|
if (customizer) {
|
|
var result = customizer(objValue, srcValue, key, object, source, stack);
|
|
}
|
|
if (!(result === undefined
|
|
? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
|
|
: result
|
|
)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
module.exports = baseIsMatch;
|