| 1 | var baseRest = require('./_baseRest'),
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| 2 | unzipWith = require('./unzipWith');
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| 3 |
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| 4 | /**
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| 5 | * This method is like `_.zip` except that it accepts `iteratee` to specify
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| 6 | * how grouped values should be combined. The iteratee is invoked with the
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| 7 | * elements of each group: (...group).
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| 8 | *
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| 9 | * @static
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| 10 | * @memberOf _
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| 11 | * @since 3.8.0
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| 12 | * @category Array
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| 13 | * @param {...Array} [arrays] The arrays to process.
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| 14 | * @param {Function} [iteratee=_.identity] The function to combine
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| 15 | * grouped values.
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| 16 | * @returns {Array} Returns the new array of grouped elements.
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| 17 | * @example
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| 18 | *
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| 19 | * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
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| 20 | * return a + b + c;
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| 21 | * });
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| 22 | * // => [111, 222]
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| 23 | */
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| 24 | var zipWith = baseRest(function(arrays) {
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| 25 | var length = arrays.length,
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| 26 | iteratee = length > 1 ? arrays[length - 1] : undefined;
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| 27 |
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| 28 | iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
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| 29 | return unzipWith(arrays, iteratee);
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| 30 | });
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| 31 |
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| 32 | module.exports = zipWith;
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