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Use _.restParam in createAssigner.

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jdalton
2015-04-01 01:26:27 -07:00
parent 3c56914822
commit 2adac8bdae
1 changed files with 14 additions and 20 deletions
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34
lodash.src.js
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@@ -3207,38 +3207,32 @@
* @returns {Function} Returns the new assigner function.
*/
function createAssigner(assigner) {
return function() {
var args = arguments,
length = args.length,
object = args[0];
return restParam(function(object, sources) {
var index = -1,
length = object == null ? 0 : sources.length,
customizer = sources[length - 2],
thisArg = sources[length - 1],
guard = sources[2];
if (length < 2 || object == null) {
return object;
}
var customizer = args[length - 2],
thisArg = args[length - 1],
guard = args[3];
if (length > 3 && typeof customizer == 'function') {
if (length > 2 && typeof customizer == 'function') {
customizer = bindCallback(customizer, thisArg, 5);
length -= 2;
} else {
customizer = (length > 2 && typeof thisArg == 'function') ? thisArg : null;
} else if (length > 1) {
customizer = typeof thisArg == 'function' ? thisArg : null;
length -= (customizer ? 1 : 0);
}
if (guard && isIterateeCall(args[1], args[2], guard)) {
customizer = length == 3 ? null : customizer;
length = 2;
if (guard && isIterateeCall(sources[0], sources[1], guard)) {
customizer = length < 3 ? null : customizer;
length = 1;
}
var index = 0;
while (++index < length) {
var source = args[index];
var source = sources[index];
if (source) {
assigner(object, source, customizer);
}
}
return object;
};
});
}
/**