Base64Decode = function (data)
{
    var binaryString = window.atob(data);
    var len = binaryString.length;
    var bytes = new Array(len / 4);

    // Interpret binaryString as an array of bytes representing little-endian encoded uint32 values.
    for (var i = 0; i < len; i += 4)
    {
        bytes[i / 4] = (
            binaryString.charCodeAt(i) |
            binaryString.charCodeAt(i + 1) << 8 |
            binaryString.charCodeAt(i + 2) << 16 |
            binaryString.charCodeAt(i + 3) << 24
        ) >>> 0;
    }

    return bytes;
}
Decode base-64 encoded data, for example as exported by Tiled.

@function Phaser.Tilemaps.Parsers.Tiled.Base64Decode
@since 3.0.0

@param {object} data - Base-64 encoded data to decode.

@return {array} Array containing the decoded bytes.