This refactor replaces the complex 12-field ResolvedSource struct with a simpler,
focused ModuleResult tagged union as outlined in the refactoring plan.
**Changes:**
Deleted files:
- src/bun.js/bindings/ZigSourceProvider.cpp/h (replaced with BunSourceProvider)
- src/bun.js/bindings/ResolvedSource.zig (replaced with ModuleResult)
New files:
- src/bun.js/bindings/TranspiledSource.zig - Thread-safe POD struct for transpiled code
- src/bun.js/bindings/SpecialModule.zig - JSValue-based exports handling
- src/bun.js/bindings/ModuleResult.zig - Tagged union return type
- src/bun.js/bindings/BunSourceProvider.h/cpp - Simplified SourceProvider
Updated files:
- src/bun.js/jsc.zig - Export new types (ModuleResult, TranspiledSource, etc.)
- src/bun.js/ModuleLoader.zig - Use ModuleResult throughout, update AsyncModule
- src/bun.js/VirtualMachine.zig - Add ModuleResult import, update fetchWithoutOnLoadPlugins
- src/bun.js/bindings/ModuleLoader.cpp - Handle ModuleResult tags in C++
- src/bun.js/bindings/JSCommonJSModule.cpp/h - Use TranspiledSource
- src/bun.js/bindings/ZigGlobalObject.cpp - Update includes
- src/bun.js/bindings/headers-handwritten.h - Add C++ struct definitions for ModuleResult
- build.zig - Remove ResolvedSourceTag from generated modules
**Benefits:**
- Reduces code complexity by >50%
- Eliminates triple string storage
- Makes transpilation thread-safe (no JSValue in TranspiledSource)
- Clear type safety with tagged unions
- Simpler SourceProvider without m_resolvedSource member
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
* WIP code coverage initial commit
* almost works
* one approach
* Code Coverage
* Update WebKit
* it works but is not yet accurate
* skip double ascii check
* wrapper
* it works but i'm not sure what to do about blocks
* hide blocks for now
* Update ZigSourceProvider.cpp
* Create coverage.md
* Update nav.ts
---------
Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
