Icard/angular-clarity-master(work.../node_modules/lodash-es/unzip.js

46 lines
1.3 KiB
JavaScript

import arrayFilter from './_arrayFilter.js';
import arrayMap from './_arrayMap.js';
import baseProperty from './_baseProperty.js';
import baseTimes from './_baseTimes.js';
import isArrayLikeObject from './isArrayLikeObject.js';
/* 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));
});
}
export default unzip;