### What does this PR do?
Fixes `bun -p "process.stderr.write('Hello' +
String.fromCharCode(0xd800))"`.
Also fixes potential index out of bounds if there are many invalid
sequences.
This also affects `TextEncoder`.
### How did you verify your code works?
Added tests for edgecases
---------
Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
* Move ReadFile and WriteFile to separate file
* Use libuv for Bun.write()
* Update windows_event_loop.zig
* build
* Get bun-write tests to pass. Implement Bun.write with two files.
* UPdate
* Update
* Update failing test list
* update
* More
* More
* More
* More
* Mark the rest
* ok
* oops
* Update bun-write.test.js
* Update blob.zig
---------
Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Co-authored-by: Dave Caruso <me@paperdave.net>
Co-authored-by: Georgijs Vilums <georgijs.vilums@gmail.com>
* utf16 codepoint with replacement character
* Fix test failure with `TextEncoder("ascii')`
* Add missing type
* Fix Response.prototype.bodyUsed and Request.prototype.bodyUsed
* Fix bug with scrypt error not clearing
* Update server.zig
* oopsie
