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Simplify _.initial.

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John-David Dalton
2014-06-18 23:17:46 -07:00
parent 36bcced355
commit 2f9cc91b64
1 changed files with 2 additions and 15 deletions
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17
lodash.js
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@@ -3114,22 +3114,9 @@
* _.initial([1, 2, 3]); * _.initial([1, 2, 3]);
* // => [1, 2] * // => [1, 2]
*/ */
function initial(array, predicate, thisArg) { function initial(array) {
var length = array ? array.length : 0; var length = array ? array.length : 0;
return slice(array, 0, length ? length - 1 : 0);
if (typeof predicate != 'number' && predicate != null) {
var index = length,
n = 0;
predicate = lodash.callback(predicate, thisArg, 3);
while (index-- && predicate(array[index], index, array)) {
n++;
}
} else {
n = (predicate == null || thisArg) ? 1 : predicate;
}
n = length - (n || 0);
return slice(array, 0, n < 0 ? 0 : n);
} }
/** /**