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SpliceOne.js
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41 lines (33 loc) · 854 Bytes
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/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2018 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
// Based on code by Mike Reinstein
/**
* Removes a single item from an array and returns it without creating gc (like the native splice does)
*
* @function Phaser.Utils.Array.SpliceOne
* @since 3.0.0
*
* @param {array} array - [description]
* @param {integer} index - [description]
*
* @return {any} [description]
*/
var SpliceOne = function (array, index)
{
if (index >= array.length)
{
return;
}
var len = array.length - 1;
var item = array[index];
for (var i = index; i < len; i++)
{
array[i] = array[i + 1];
}
array.length = len;
return item;
};
module.exports = SpliceOne;