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29 lines
810 B
29 lines
810 B
import baseFlatten from './_baseFlatten.js'; |
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import map from './map.js'; |
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/** |
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* Creates a flattened array of values by running each element in `collection` |
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* thru `iteratee` and flattening the mapped results. The iteratee is invoked |
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* with three arguments: (value, index|key, collection). |
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* |
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* @static |
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* @memberOf _ |
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* @since 4.0.0 |
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* @category Collection |
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* @param {Array|Object} collection The collection to iterate over. |
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* @param {Function} [iteratee=_.identity] The function invoked per iteration. |
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* @returns {Array} Returns the new flattened array. |
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* @example |
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* |
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* function duplicate(n) { |
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* return [n, n]; |
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* } |
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* |
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* _.flatMap([1, 2], duplicate); |
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* // => [1, 1, 2, 2] |
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*/ |
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function flatMap(collection, iteratee) { |
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return baseFlatten(map(collection, iteratee), 1); |
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} |
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export default flatMap;
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