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on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | var isArrayLike = require('./isArrayLike');
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2 |
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3 | /**
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4 | * Creates a `baseEach` or `baseEachRight` function.
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5 | *
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6 | * @private
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7 | * @param {Function} eachFunc The function to iterate over a collection.
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8 | * @param {boolean} [fromRight] Specify iterating from right to left.
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9 | * @returns {Function} Returns the new base function.
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10 | */
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11 | function createBaseEach(eachFunc, fromRight) {
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12 | return function(collection, iteratee) {
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13 | if (collection == null) {
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14 | return collection;
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15 | }
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16 | if (!isArrayLike(collection)) {
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17 | return eachFunc(collection, iteratee);
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18 | }
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19 | var length = collection.length,
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20 | index = fromRight ? length : -1,
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21 | iterable = Object(collection);
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22 |
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23 | while ((fromRight ? index-- : ++index < length)) {
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24 | if (iteratee(iterable[index], index, iterable) === false) {
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25 | break;
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26 | }
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27 | }
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28 | return collection;
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29 | };
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30 | }
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31 |
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32 | module.exports = createBaseEach;
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