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Cleanup createAssigner.

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jdalton
2015-03-03 09:16:33 -08:00
parent 5991068fdf
commit cc77a36dd9
1 changed files with 13 additions and 14 deletions
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27
lodash.src.js
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@@ -3160,27 +3160,26 @@
*/
function createAssigner(assigner) {
return function() {
var length = arguments.length,
object = arguments[0];
var args = arguments,
length = args.length,
object = args[0];
if (length < 2 || object == null) {
return object;
}
if (length > 3 && isIterateeCall(arguments[1], arguments[2], arguments[3])) {
if (typeof arguments[length - 1] == 'function') {
customizer = arguments[--length];
}
if (length > 3 && typeof args[length - 2] == 'function') {
var index = (length -= 2);
} else if (length > 2 && typeof args[length - 1] == 'function') {
index = --length;
}
var customizer = index && bindCallback(args[index], args[index + 1], 5);
if (length > 3 && isIterateeCall(args[1], args[2], args[3])) {
length = 2;
customizer = index === 3 ? null : customizer;
}
// Juggle arguments.
if (length > 3 && typeof arguments[length - 2] == 'function') {
var customizer = bindCallback(arguments[--length - 1], arguments[length--], 5);
} else if (length > 2 && typeof arguments[length - 1] == 'function') {
customizer = arguments[--length];
}
var index = 0;
index = 0;
while (++index < length) {
var source = arguments[index];
var source = args[index];
if (source) {
assigner(object, source, customizer);
}