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fix(core): use file:// URLs for local dynamic import() on Windows+Node - #23639
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Node's ESM loader on Windows rejects bare absolute paths for dynamic import() and requires file:// URLs. This path is exercised by the Electron desktop app, whose server runs in Node (not Bun), causing provider SDK loading and custom tool discovery to fail with 'Received protocol c:'. Always convert to pathToFileURL(...).href before import(); safe on Bun too.
Brendonovich
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Apr 21, 2026
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Pull request overview
Fixes dynamic import() behavior on Windows under Node by consistently using file:// URLs when importing modules by absolute filesystem path, aligning tool/provider loading with Node’s ESM loader requirements.
Changes:
- Tool registry plugin loader now always imports discovered tool files via
pathToFileURL(...).href. - Provider SDK loader now normalizes non-
file://entrypoints tofile://URLs before dynamic import.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| packages/opencode/src/tool/registry.ts | Ensures tool modules discovered via glob are imported using file:// URLs for Windows+Node compatibility. |
| packages/opencode/src/provider/provider.ts | Normalizes installed/local provider entrypoints to file:// URLs before importing to avoid Node ESM loader failures on Windows. |
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Summary
import()intofile://URLs for Windows Node compatibilityReceived protocol 'c:'Notes
packages/opencode/src/tool/registry.ts: discovered tool files are absolute filesystem paths fromGlob.scanSync(..., { absolute: true })packages/opencode/src/provider/provider.ts: provider entrypoints are normalized only when they are local paths and left unchanged when alreadyfile://file://for these paths; a separate Bun 1.3.10Npm.add()package-layout issue is unrelated to this PR