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