1 | var baseEach = require('./_baseEach'),
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2 | isArrayLike = require('./isArrayLike');
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3 |
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4 | /**
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5 | * The base implementation of `_.map` without support for iteratee shorthands.
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6 | *
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7 | * @private
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8 | * @param {Array|Object} collection The collection to iterate over.
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9 | * @param {Function} iteratee The function invoked per iteration.
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10 | * @returns {Array} Returns the new mapped array.
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11 | */
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12 | function baseMap(collection, iteratee) {
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13 | var index = -1,
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14 | result = isArrayLike(collection) ? Array(collection.length) : [];
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15 |
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16 | baseEach(collection, function(value, key, collection) {
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17 | result[++index] = iteratee(value, key, collection);
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18 | });
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19 | return result;
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20 | }
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21 |
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22 | module.exports = baseMap;
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