[browser][coreCLR] JS modules consistency via gitHash - #122801
#122801Merged
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[browser][coreCLR] JS modules consistency via gitHash#122801
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Pull request overview
This PR adds git hash consistency checking across JavaScript modules in the browser CoreCLR runtime. The implementation adds a gitHash to each JS module and validates during startup that all modules were built from the same git commit, providing fail-fast detection for scenarios where HTTP caches or build folders contain mismatched versions of JS files.
Key Changes:
- Imports
GitHashfrom "consts:gitHash" in each module and exports it for runtime access - Adds validation logic in
dotnetInitializeModulefunctions to compare the loader's gitHash with each module's gitHash - Updates footer.js files to export the gitHash and exclude it from automatic export iteration
- Changes corerun's gitHash from "corerun" to
nullto skip validation for development builds
Reviewed changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| src/native/libs/System.Runtime.InteropServices.JavaScript.Native/native/index.ts | Adds gitHash import, export, and consistency check comparing with DOTNET_INTEROP.gitHash |
| src/native/libs/System.Runtime.InteropServices.JavaScript.Native/native/cross-linked.ts | Declares DOTNET_INTEROP as a global constant |
| src/native/libs/System.Runtime.InteropServices.JavaScript.Native/libSystem.Runtime.InteropServices.JavaScript.Native.footer.js | Exports gitHash on DOTNET_INTEROP object and excludes it from export iteration |
| src/native/libs/System.Runtime.InteropServices.JavaScript.Native/interop/index.ts | Adds gitHash import and consistency check, refactors to get runtimeApi earlier for validation |
| src/native/libs/System.Native.Browser/utils/index.ts | Adds gitHash import and consistency check, moves initPolyfills after validation |
| src/native/libs/System.Native.Browser/native/index.ts | Adds gitHash import, export, and consistency check comparing with DOTNET.gitHash |
| src/native/libs/System.Native.Browser/libSystem.Native.Browser.footer.js | Exports gitHash on DOTNET object and excludes it from export iteration |
| src/native/libs/System.Native.Browser/diagnostics/index.ts | Adds gitHash import and consistency check |
| src/native/corehost/browserhost/host/index.ts | Adds gitHash import and consistency check after Object.assign |
| src/coreclr/hosts/corerun/wasm/libCorerun.extpost.js | Changes gitHash from "corerun" string to null to skip validation |
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
radekdoulik
reviewed
Jan 5, 2026
radekdoulik
approved these changes
Jan 5, 2026
radekdoulik
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LGTM, besides the comment about runtimeApi.runtimeBuildInfo.gitHash.
This was referenced Jan 9, 2026
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gitHashinto each JS file/module and check the consistency during startup