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19 lines
558 B
JavaScript
19 lines
558 B
JavaScript
define(['./_cb', './_getLength'], function (_cb, _getLength) {
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// Internal function to generate `_.findIndex` and `_.findLastIndex`.
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function createPredicateIndexFinder(dir) {
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return function(array, predicate, context) {
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predicate = _cb(predicate, context);
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var length = _getLength(array);
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var index = dir > 0 ? 0 : length - 1;
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for (; index >= 0 && index < length; index += dir) {
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if (predicate(array[index], index, array)) return index;
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}
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return -1;
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};
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}
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return createPredicateIndexFinder;
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});
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