| /* -*- Mode: js; js-indent-level: 2; -*- */ |
| /* |
| * Copyright 2011 Mozilla Foundation and contributors |
| * Licensed under the New BSD license. See LICENSE or: |
| * http://opensource.org/licenses/BSD-3-Clause |
| */ |
| |
| const intToCharMap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split(""); |
| |
| /** |
| * Encode an integer in the range of 0 to 63 to a single base 64 digit. |
| */ |
| exports.encode = function(number) { |
| if (0 <= number && number < intToCharMap.length) { |
| return intToCharMap[number]; |
| } |
| throw new TypeError("Must be between 0 and 63: " + number); |
| }; |