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on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | /** Used as the internal argument placeholder. */
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| 2 | var PLACEHOLDER = '__lodash_placeholder__';
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| 3 |
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| 4 | /**
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| 5 | * Replaces all `placeholder` elements in `array` with an internal placeholder
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| 6 | * and returns an array of their indexes.
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| 7 | *
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| 8 | * @private
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| 9 | * @param {Array} array The array to modify.
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| 10 | * @param {*} placeholder The placeholder to replace.
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| 11 | * @returns {Array} Returns the new array of placeholder indexes.
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| 12 | */
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| 13 | function replaceHolders(array, placeholder) {
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| 14 | var index = -1,
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| 15 | length = array.length,
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| 16 | resIndex = 0,
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| 17 | result = [];
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| 18 |
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| 19 | while (++index < length) {
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| 20 | var value = array[index];
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| 21 | if (value === placeholder || value === PLACEHOLDER) {
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| 22 | array[index] = PLACEHOLDER;
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| 23 | result[resIndex++] = index;
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| 24 | }
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| 25 | }
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| 26 | return result;
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| 27 | }
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| 28 |
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| 29 | module.exports = replaceHolders;
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