| 1 | /**
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| 2 | * The base implementation of `_.findIndex` and `_.findLastIndex` without
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| 3 | * support for iteratee shorthands.
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| 4 | *
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| 5 | * @private
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| 6 | * @param {Array} array The array to inspect.
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| 7 | * @param {Function} predicate The function invoked per iteration.
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| 8 | * @param {number} fromIndex The index to search from.
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| 9 | * @param {boolean} [fromRight] Specify iterating from right to left.
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| 10 | * @returns {number} Returns the index of the matched value, else `-1`.
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| 11 | */
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| 12 | function baseFindIndex(array, predicate, fromIndex, fromRight) {
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| 13 | var length = array.length,
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| 14 | index = fromIndex + (fromRight ? 1 : -1);
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| 15 |
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| 16 | while ((fromRight ? index-- : ++index < length)) {
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| 17 | if (predicate(array[index], index, array)) {
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| 18 | return index;
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| 19 | }
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| 20 | }
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| 21 | return -1;
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| 22 | }
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| 23 |
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| 24 | module.exports = baseFindIndex;
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