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25 lines
766 B
JavaScript
25 lines
766 B
JavaScript
6 years ago
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/**
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* The base implementation of `_.findIndex` and `_.findLastIndex` without
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* support for iteratee shorthands.
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*
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* @private
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* @param {Array} array The array to inspect.
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* @param {Function} predicate The function invoked per iteration.
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* @param {number} fromIndex The index to search from.
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {number} Returns the index of the matched value, else `-1`.
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*/
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function baseFindIndex(array, predicate, fromIndex, fromRight) {
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var length = array.length,
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index = fromIndex + (fromRight ? 1 : -1);
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while ((fromRight ? index-- : ++index < length)) {
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if (predicate(array[index], index, array)) {
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return index;
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}
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}
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return -1;
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}
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module.exports = baseFindIndex;
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