1 | import eq from './eq.js';
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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 | export default baseSortedUniq;
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