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23 lines
668 B
JavaScript
23 lines
668 B
JavaScript
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var baseEach = require('./_baseEach'),
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isArrayLike = require('./isArrayLike');
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/**
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* The base implementation of `_.map` without support for iteratee shorthands.
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*
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* @private
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* @param {Array|Object} collection The collection to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @returns {Array} Returns the new mapped array.
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*/
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function baseMap(collection, iteratee) {
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var index = -1,
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result = isArrayLike(collection) ? Array(collection.length) : [];
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baseEach(collection, function(value, key, collection) {
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result[++index] = iteratee(value, key, collection);
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});
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return result;
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}
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module.exports = baseMap;
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