Rewrite Bun's runtime CommonJS loader (#3379)

* wip changes for CommonJS

* this rewrite is almost complete

* even more code

* wip

* Remove usages of `import.meta.require` from builtins

* Remove usages of require

* Regenerate

* :scissors: builtin rewrite commonjs in printer

* Use lazy custom getters for import.meta

* fixups

* Remove depd

* ugh

* still crashing

* fixup undici

* comment out import.meta.require.resolve temporarily

not a real solution but it stops the crashes

* Redo import.meta.primordials

* Builtins now have a `builtin://` protocol in source origin

* Seems to work?

* Finsih getting rid of primordials

* switcharoo

* No more function

* just one more bug

* Update launch.json

* Implement `require.main`

* :scissors:

* Bump WebKit

* Fixup import cycles

* Fixup improt cycles

* export more things

* Implement `createCommonJSModule` builtin

* More exports

* regenerate

* i broke some stuff

* some of these tests work now

* We lost the encoding

* Sort of fix zlib

* Sort of fix util

* Update events.js

* bump

* bump

* bump

* Fix missing export in fs

* fix some bugs with builtin esm modules (stream, worker_threads, events). its not perfect yet.

* fix some other internal module bugs

* oops

* fix some extra require default stuff

* uncomment this file but it crsahes on my machine

* tidy code here

* fixup tls exports

* make simdutf happier

* Add hasPrefix binding

* Add test for `require.main`

* Fix CommonJS evaluation order race condition

* Make node:http load faster

* Add missing exports to tls.js

* Use the getter

* Regenerate builtins

* Fix assertion failure in Bun.write()

* revamp dotEnv parser (#3347)

- fixes `strings.indexOfAny()`
- fixes OOB array access

fixes #411
fixes #2823
fixes #3042

* fix tests for `expect()` (#3384)

- extend test job time-out for `darwin-aarch64`

* `expect().resolves` and `expect().rejects` (#3318)

* Move expect and snapshots to their own files

* expect().resolves and expect().rejects

* Fix promise being added to unhandled rejection list

* Handle timeouts in expect(<promise>)

* wip merge

* Fix merge issue

---------

Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

* fixup min/memcopy (#3388)

* Fix crash in builtins

* Don't attempt to evaluate modules with no source code

* Update WebCoreJSBuiltins.cpp

* Update WebCoreJSBuiltins.cpp

* Update WebCoreJSBuiltins.cpp

* Fix crash

* cleanup

* Fix test

cc @paperdave

* Fixup Undici

* Fix issue in node:http

* Create util-deprecate.mjs

* Fix several bugs

* Use the identifier

* Support error.code in `util.deprecate`

* make the CJs loader slightly more resilient

* Update WebCoreJSBuiltins.cpp

* Fix macros

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Co-authored-by: dave caruso <me@paperdave.net>
Co-authored-by: Alex Lam S.L <alexlamsl@gmail.com>
Co-authored-by: Ashcon Partovi <ashcon@partovi.net>
Co-authored-by: Ciro Spaciari <ciro.spaciari@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/string_immutable.zig b/src/string_immutable.zig
index 0e98f3f5f..d075b38f5 100644
--- a/src/string_immutable.zig
+++ b/src/string_immutable.zig
@@ -1484,7 +1484,8 @@ pub fn convertUTF16ToUTF8(list_: std.ArrayList(u8), comptime Type: type, utf16:
 pub fn toUTF8AllocWithType(allocator: std.mem.Allocator, comptime Type: type, utf16: Type) ![]u8 {
     if (bun.FeatureFlags.use_simdutf and comptime Type == []const u16) {
         const length = bun.simdutf.length.utf8.from.utf16.le(utf16);
-        var list = try std.ArrayList(u8).initCapacity(allocator, length);
+        // add 4 bytes of padding for SIMDUTF
+        var list = try std.ArrayList(u8).initCapacity(allocator, length + 4);
         list = try convertUTF16ToUTF8(list, Type, utf16);
         return list.items;
     }