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subdivideArray.js
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subdivideArray.js
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define([
'./defined',
'./DeveloperError'
], function(
defined,
DeveloperError) {
'use strict';
/**
* Subdivides an array into a number of smaller, equal sized arrays.
*
* @exports subdivideArray
*
* @param {Array} array The array to divide.
* @param {Number} numberOfArrays The number of arrays to divide the provided array into.
*
* @exception {DeveloperError} numberOfArrays must be greater than 0.
*/
function subdivideArray(array, numberOfArrays) {
//>>includeStart('debug', pragmas.debug);
if (!defined(array)) {
throw new DeveloperError('array is required.');
}
if (!defined(numberOfArrays) || numberOfArrays < 1) {
throw new DeveloperError('numberOfArrays must be greater than 0.');
}
//>>includeEnd('debug');
var result = [];
var len = array.length;
var i = 0;
while (i < len) {
var size = Math.ceil((len - i) / numberOfArrays--);
result.push(array.slice(i, i + size));
i += size;
}
return result;
}
return subdivideArray;
});