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var baseRest = require('./_baseRest'), | |
unzipWith = require('./unzipWith'); | |
/** | |
* This method is like `_.zip` except that it accepts `iteratee` to specify | |
* how grouped values should be combined. The iteratee is invoked with the | |
* elements of each group: (...group). | |
* | |
* @static | |
* @memberOf _ | |
* @since 3.8.0 | |
* @category Array | |
* @param {...Array} [arrays] The arrays to process. | |
* @param {Function} [iteratee=_.identity] The function to combine | |
* grouped values. | |
* @returns {Array} Returns the new array of grouped elements. | |
* @example | |
* | |
* _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) { | |
* return a + b + c; | |
* }); | |
* // => [111, 222] | |
*/ | |
var zipWith = baseRest(function(arrays) { | |
var length = arrays.length, | |
iteratee = length > 1 ? arrays[length - 1] : undefined; | |
iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined; | |
return unzipWith(arrays, iteratee); | |
}); | |
module.exports = zipWith; | |