v1.14.37 macOS arm64 desktop bundle missing native binding `@parcel/watcher-darwin-arm64`

[Skeptomenos]

Summary

The macOS arm64 desktop build of OpenCode 1.14.37 (and at least 1.14.35) is missing the native @parcel/watcher-darwin-arm64 binding, so the file watcher logs an error on every startup and falls back to a degraded mode. The Windows variant of this was tracked in #23624 and closed; the macOS arm64 variant has now surfaced.

Error

ERROR 2026-05-05T08:35:35 +2ms service=file.watcher error=Cannot find module '@parcel/watcher-darwin-arm64'
Require stack:
- /Applications/OpenCode.app/Contents/Resources/app.asar/out/main/chunks/node-8ljIuRcm.js
  failed to load watcher binding

What's missing

$ ls /Applications/OpenCode.app/Contents/Resources/app.asar.unpacked/node_modules/
@lydell
@msgpackr-extract

$ ls /Applications/OpenCode.app/Contents/Resources/app.asar.unpacked/node_modules/@parcel
ls: ... @parcel: No such file or directory

For comparison, @msgpackr-extract is correctly unpacked with its .node binding:

/Applications/OpenCode.app/Contents/Resources/app.asar.unpacked/node_modules/@msgpackr-extract/msgpackr-extract-darwin-arm64/node.napi.glibc.node

The same treatment is needed for @parcel/watcher-darwin-arm64.

Environment

• OpenCode: 1.14.37 (also reproduced on 1.14.35)
• Build: macOS arm64 (opencode-desktop-mac-arm64.dmg from the v1.14.37 release)
• macOS 26.4.1 arm64
• Source verified by inspecting the installed .app bundle (no @parcel directory under app.asar.unpacked/node_modules/).

Impact

• Error toast on every app start.
• Chunk file out/main/chunks/node-8ljIuRcm.js falls back to a polling watcher; file events still fire but with higher CPU and latency, and noisy logs. Users who add cold-bootstrap projects on external volumes are likely to feel this more (see bug: cold project open hangs on external volumes during bootstrap #23409).

Suggested fix

Treat @parcel/watcher-darwin-arm64 (and the corresponding x64, linux-x64, linux-arm64, win32-* variants) as asarUnpack entries in the electron-builder config, so the prebuilt .node binding ships alongside the asar archive. This is the same pattern already used for @lydell/node-pty-darwin-arm64 and @msgpackr-extract.

References

• Closed Windows variant: Cannot find module '@parcel/watcher-win32-x64' #23624 ("Cannot find module '@parcel/watcher-win32-x64'")
• Related: [bug] issue with @parcel/watcher in build(): error when installing via yay #3520 ("issue with @parcel/watcher in build()")

[n-osennij]

ERROR 2026-05-05T11:29:25 +875ms service=plugin path=@tarquinen/opencode-dcp@latest target=file:///C:/Users/n-osennij/.cache/opencode/packages/@tarquinen/opencode-dcp@latest/node_modules/@tarquinen/opencode-dcp/dist/index.js error=Cannot find module 'C:\Users\n-osennij\.cache\opencode\packages\@tarquinen\opencode-dcp@latest\node_modules\@tarquinen\opencode-dcp\dist\lib\config' imported from C:\Users\n-osennij\.cache\opencode\packages\@tarquinen\opencode-dcp@latest\node_modules\@tarquinen\opencode-dcp\dist\index.js failed to load plugin
ERROR 2026-05-05T11:29:25 +5ms service=file.watcher error=Cannot find module '@parcel/watcher-win32-x64'
Require stack:
- C:\Users\n-osennij\AppData\Local\Programs\OpenCode\resources\app.asar\out\main\chunks\node-BCdD_j2u.js failed to load watcher binding
ERROR 2026-05-05T11:29:26 +245ms service=plugin path=@tarquinen/opencode-dcp@latest target=file:///C:/Users/n-osennij/.cache/opencode/packages/@tarquinen/opencode-dcp@latest/node_modules/@tarquinen/opencode-dcp/dist/index.js error=Cannot find module 'C:\Users\n-osennij\.cache\opencode\packages\@tarquinen\opencode-dcp@latest\node_modules\@tarquinen\opencode-dcp\dist\lib\config' imported from C:\Users\n-osennij\.cache\opencode\packages\@tarquinen\opencode-dcp@latest\node_modules\@tarquinen\opencode-dcp\dist\index.js failed to load plugin