URI malformed error during base64 encoding

var foo = '\ud801\ud804-';

when encodeUriComponent

[sanex3339]

Fixed in 2.4.2

[msheakoski]

Here is how to reproduce:

1. Visit https://obfuscator.io
2. Use the following code for the input: "12😃45"
3. Change String Array Threshold to: 1
4. Change String Array Encoding to: Base64
5. Enable: Split Strings
6. Change Split Strings Chunk Length to: 3
7. Click the Obfuscate button
8. Output should be: URIError: URI malformed

It looks like the combination of “Split Strings Chunk Length” and “Base64” is not correctly handling multibyte characters if they occur on a chunk boundary. 😃 is composed of 2 unicode sequences, \uD83D and \uDE03. With a chunk length of 3, this particular string ends up being split into 12\uD83D and \uDE0345