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Versions: 277
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Contents
var arrayFilter = require('./_arrayFilter'),
arrayMap = require('./_arrayMap'),
baseProperty = require('./_baseProperty'),
baseTimes = require('./_baseTimes'),
isArrayLikeObject = require('./isArrayLikeObject');
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max;
/**
* This method is like `_.zip` except that it accepts an array of grouped
* elements and creates an array regrouping the elements to their pre-zip
* configuration.
*
* @static
* @memberOf _
* @since 1.2.0
* @category Array
* @param {Array} array The array of grouped elements to process.
* @returns {Array} Returns the new array of regrouped elements.
* @example
*
* var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
* // => [['a', 1, true], ['b', 2, false]]
*
* _.unzip(zipped);
* // => [['a', 'b'], [1, 2], [true, false]]
*/
function unzip(array) {
if (!(array && array.length)) {
return [];
}
var length = 0;
array = arrayFilter(array, function(group) {
if (isArrayLikeObject(group)) {
length = nativeMax(group.length, length);
return true;
}
});
return baseTimes(length, function(index) {
return arrayMap(array, baseProperty(index));
});
}
module.exports = unzip;
Version data entries
277 entries across 275 versions & 31 rubygems