| 1 | import indexOfNaN from './_indexOfNaN';
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| 2 |
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| 3 | /**
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| 4 | * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
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| 5 | *
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| 6 | * @private
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| 7 | * @param {Array} array The array to search.
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| 8 | * @param {*} value The value to search for.
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| 9 | * @param {number} fromIndex The index to search from.
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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 baseIndexOf(array, value, fromIndex) {
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| 13 | if (value !== value) {
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| 14 | return indexOfNaN(array, fromIndex);
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| 15 | }
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| 16 | var index = fromIndex - 1,
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| 17 | length = array.length;
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| 18 |
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| 19 | while (++index < length) {
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| 20 | if (array[index] === value) {
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| 21 | return index;
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| 22 | }
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| 23 | }
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| 24 | return -1;
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| 25 | }
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| 26 |
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| 27 | export default baseIndexOf;
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