Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | var eq = require('./eq');
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| 2 |
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| 3 | /**
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| 4 | * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
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| 5 | * support for iteratee shorthands.
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| 6 | *
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| 7 | * @private
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| 8 | * @param {Array} array The array to inspect.
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| 9 | * @param {Function} [iteratee] The iteratee invoked per element.
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| 10 | * @returns {Array} Returns the new duplicate free array.
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| 11 | */
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| 12 | function baseSortedUniq(array, iteratee) {
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| 13 | var index = -1,
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| 14 | length = array.length,
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| 15 | resIndex = 0,
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| 16 | result = [];
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| 17 |
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| 18 | while (++index < length) {
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| 19 | var value = array[index],
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| 20 | computed = iteratee ? iteratee(value) : value;
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| 21 |
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| 22 | if (!index || !eq(computed, seen)) {
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| 23 | var seen = computed;
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| 24 | result[resIndex++] = value === 0 ? 0 : value;
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| 25 | }
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| 26 | }
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| 27 | return result;
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| 28 | }
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| 29 |
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| 30 | module.exports = baseSortedUniq;
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