Commit Graph

5 Commits

Author SHA1 Message Date
Marko Vejnovic
e76570f452 feat(ENG-21362): Environment Variables Store (#23930) 2025-10-23 23:08:08 -07:00
Zack Radisic
a89e61fcaa ssg 3 (#22138)
### What does this PR do?

Fixes a crash related to the dev server overwriting the uws user context
pointer when setting abort callback.

Adds support for `return new Response(<jsx />, { ... })` and `return
Response.render(...)` and `return Response.redirect(...)`:
- Created a `SSRResponse` class to handle this (see
`JSBakeResponse.{h,cpp}`)
- `SSRResponse` is designed to "fake" being a React component 
- This is done in JSBakeResponse::create inside of
src/bun.js/bindings/JSBakeResponse.cpp
- And `src/js/builtins/BakeSSRResponse.ts` defines a `wrapComponent`
function which wraps
the passed in component (when doing `new Response(<jsx />, ...)`). It
does
    this to throw an error (in redirect()/render() case) or return the
    component.
- Created a `BakeAdditionsToGlobal` struct which contains some
properties
    needed for this
- Added some of the properties we need to fake to BunBuiltinNames.h
(e.g.
    `$$typeof`), the rationale behind this is that we couldn't use
`structure->addPropertyTransition` because JSBakeResponse is not a final
    JSObject.
- When bake and server-side, bundler rewrites `Response ->
Bun.SSRResponse` (see `src/ast/P.zig` and `src/ast/visitExpr.zig`)
- Created a new WebCore body variant (`Render: struct { path: []const u8
}`)
  - Created when `return Response.render(...)`
  - When handled, it re-invokes dev server to render the new path

Enables server-side sourcemaps for the dev server:
- New source providers for server-side:
(`DevServerSourceProvider.{h,cpp}`)
- IncrementalGraph and SourceMapStore are updated to support this

There are numerous other stuff:
- allow `app` configuration from Bun.serve(...)
- fix errors stopping dev server
- fix use after free related to in
RequestContext.finishRunningErrorHandler
- Request.cookies
- Make `"use client";` components work
- Fix some bugs using `require(...)` in dev server
- Fix catch-all routes not working in the dev server
- Updates `findSourceMappingURL(...)` to use `std.mem.lastIndexOf(...)`
because
  the sourcemap that should be used is the last one anyway

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Alistair Smith <hi@alistair.sh>
2025-09-30 05:26:32 -07:00
taylor.fish
437e15bae5 Replace catch bun.outOfMemory() with safer alternatives (#22141)
Replace `catch bun.outOfMemory()`, which can accidentally catch
non-OOM-related errors, with either `bun.handleOom` or a manual `catch
|err| switch (err)`.

(For internal tracking: fixes STAB-1070)

---------

Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>
2025-08-26 12:50:25 -07:00
Jarred Sumner
df61e88dc0 Fix potential crash in new Bun.Transpiler() (#21650)
### What does this PR do?

The `then` function in `transpiler.transform` can cause GC, which means
it can cause the `Transpiler` to become freed, which means that if that
same transpiler is in use by another run on the other thread, it could
have pointers to invalid memory.

Also, `ESMCondition` has unnecesasry memory allocations and there is a
very tiny memory leak in optionsFromLoaders

### How did you verify your code works?

Existing tests

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2025-08-07 15:16:44 -07:00
taylor.fish
07cd45deae Refactor Zig imports and file structure (part 1) (#21270)
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2025-07-22 17:51:38 -07:00