Files
Dominic Cooney 82d1846a45 Migrate apps/vscode from npm/node to bun (#11632)
* chore(vscode): migrate package management & build from npm/node to bun

Fold apps/vscode (+ webview-ui, testing-platform) into the root bun
workspace so the extension consumes the local @cline/* SDK packages via
workspace symlinks instead of pinned published versions, eliminating the
SDK vendoring cycle. Node remains the runtime (extension host, standalone
cline-core, esbuild platform:node, prebuild-install ABI target).

- root: drop "!apps/vscode", add nested members, relocate overrides to
  root, add trustedDependencies [better-sqlite3, grpc-tools]
- apps/vscode: @cline/* -> workspace:*, scripts -> bun/bunx,
  npm-run-all -> bun --parallel, drop cross-env; keep esbuild + vite;
  declare previously-hoisted phantom deps (nice-grpc-common, playwright)
- package-standalone.mjs: npm install -> bun install (isolated dist dir)
- CI: setup-bun + single root bun install --frozen-lockfile, build:sdk
  before extension build, better-sqlite3 binary + zero-test guards;
  publish workflows intentionally keep setup-node for vsce/ovsx
- docs/comments: curated pass (keep-list vs rewrite-list), add
  apps/vscode/docs/bun-migration-notes.md guard doc
- delete npm lockfiles (root bun.lock authoritative)

Deferred to follow-up PRs: test-runner migration to bun test (Phase 4)
and devDep cleanup (Phase 6).

* test(vscode): add bun test foundation for the vitest-native unit suites

Phase 4a of the test-runner migration. Adds a bun test runner that
reaches full parity (582 pass / 0 fail / 50 files) with the existing
vitest SDK-adapter + model-catalog suite, without touching the
@vscode/test-cli integration tests or the webview vitest suite.

- bunfig.toml: [test] preload
- src/test/bun-test-preload.ts: mock.module() shadows `vscode` and
  `@cline/core` with their unit-test stubs (bun's onResolve plugin hook
  does not intercept host/symlinked specifiers); seeds real @cline/core
  export names as undefined to satisfy bun's strict ESM named-import
  linking; full vitest->bun:test shim (vi.fn/mocked/spyOn, describe/it/
  expect/before*/after*)
- scripts/run-bun-tests.ts: mirrors vitest.config.ts include[] exactly and
  runs with --parallel for per-file mock isolation (bun test's single-process
  default lets mock.module clobber across files)
- test:bun script

* test(vscode): migrate node-side unit suite from mocha to bun test

Phase 4b of the test-runner migration. The standalone mocha unit runner
(.mocharc spec: __tests__/* + test/services/**) was already broken under
bun (mocha was a phantom dependency — only @types/mocha/ts-node were
declared, npm hoisted mocha transitively). Migrate it to `bun test`.

- codemod 77 files: import { ... } from "mocha" -> "bun:test", renaming
  before->beforeAll / after->afterAll at imports and call-sites; chai,
  should and sinon kept as libraries (they work under bun test)
- convert sinon.stub() on ESM namespace exports to mock.module()/spyOn
  (bun loads real ESM: "ES Modules cannot be stubbed")
- scripts/run-bun-unit-tests.ts: runs the .mocharc spec set with one
  isolated `bun test` process per file (Bun.spawn + concurrency pool),
  restoring vitest-forks module-registry isolation (bun's single-process
  default lets mock.module leak across files)
- scripts/codemod-mocha-{to-bun,this}.ts: one-shot migration tooling
- test:unit now runs the bun unit runner; CI calls bun + a non-zero
  pass-count guard instead of `bunx nyc ... mocha`
- tsconfig: add root node_modules/@types to typeRoots so `bun:test`
  types resolve under tsc; cast loose os.userInfo mocks in shell.test

Result: unit suite 58 files / 880 pass / 0 fail; vitest set still
582/0. @vscode/test-cli integration tests and webview vitest unchanged.

* chore(vscode): remove dead mocha-runner deps and artifacts

Phase 6 cleanup after the bun test migration. The standalone mocha unit
runner is gone (replaced by scripts/run-bun-unit-tests.ts), so its
config and now-unused devDependencies are removed.

- remove dead files: .mocharc.json, tsconfig.unit-test.json,
  src/test/requires.ts, .nycrc.unit.json
- remove unused devDeps: @types/mocha, @types/proxyquire, ts-node,
  tsconfig-paths, cross-env, npm-run-all, nyc, proxyquire, husky
  (root owns the husky hook; chai/should/sinon stay — used as libs)
- install:all -> single root `bun install` (workspace covers webview-ui)
- drop .mocharc.json / .nycrc*.json from CI paths-filters and
  .vscodeignore; add bunfig.toml to the filters

Verified: check-types clean, unit 880/0, vitest 582/0.

* fix(vscode): import bun:test globals in tests that relied on ambient @types/mocha

CI Quality Checks (clean `bun install` without @types/mocha) surfaced
TS2582/TS2304 "Cannot find name 'describe'/'it'/'beforeEach'" in test
files that used the global mocha/jest test functions without importing
them. The Phase 4b codemod only rewrote files that imported from
"mocha"; these used ambient globals, so they were missed (and passed
locally because a stale @types/mocha lingered in node_modules).

Add explicit `bun:test` imports (before->beforeAll, after->afterAll in
TelemetryService.test.ts). chai/sinon stay as libraries.

Verified against a clean tree (no @types/mocha): check-types 0 errors,
unit suite 58 files / 880 pass / 0 fail.

* style(vscode): biome-format migrated test files + codemod scripts

The mocha->bun:test codemod and manual import edits left formatting that
didn't match biome (the CI `format` check, which validates files changed
since main, flagged them). Also narrow setup.ts's bun:test import to the
actually-used beforeEach/afterEach (describe/it only appear in a JSDoc
example), fixing a noUnusedImports lint error.

ci:check-all (check-types + lint + format) now passes locally.

* fix(webview-ui): declare phantom deps + pin React 18 types under bun workspace

Folding webview-ui into the bun workspace changed its install topology
from an isolated npm flat tree to the shared hoisted store, surfacing
two classes of pre-existing latent issues that npm hoisting had masked:

1. Phantom dependencies: src imports `marked`, `unist`, `unist-util-visit`
   and `@heroui/theme` directly but never declared them. Declared them
   (marked ^15, unist-util-visit ^5, @types/unist ^3, @heroui/theme 2.4.26).
2. React types: @testing-library/react's optional peer pulls @types/react@19
   into a resolvable location; tsc mixed it with the toolkit's React 18
   types (React 19 dropped Component.refs), breaking 452 JSX usages. Pin
   react/react-dom type resolution to webview-ui's React 18 copy via
   tsconfig paths.

build:webview (tsc -b && vite build) and ci:check-all now pass.

* fix(vscode): restore @types/mocha for integration build + add bun:test types

The @vscode/test-cli integration runner still uses mocha, and
tsconfig.test.json compiles all src/**/*.test.ts (including bun-migrated
files) to out/. So:
- restore @types/mocha (integration compile needs the mocha ambient types)
- add `bun` to tsconfig.test.json types + root @types to both tsconfig
  typeRoots so `bun:test` resolves under tsc for the migrated tests

* fix(vscode): declare glob — phantom dep used by package-standalone.mjs

scripts/package-standalone.mjs imports `glob` but it was never declared
(resolved transitively under npm's flat hoist). Under the bun workspace
store it's unresolvable, failing postcompile-standalone with
ERR_MODULE_NOT_FOUND. Declare glob ^11 (modern named-export API).

compile-standalone now produces dist-standalone/standalone.zip.

* fix(ci): strip ANSI before vitest zero-test guard grep

The vitest summary line colorizes the count ("Tests  <ansi>582 passed"),
so the count isn't adjacent to the "Tests" label in raw bytes and the
guard regex failed even though 582 tests passed. Strip ANSI escapes
before matching.

* fix(vscode): declare minimist — phantom dep in testing-platform-orchestrator

scripts/testing-platform-orchestrator.ts imports `minimist` (undeclared,
resolved transitively under npm hoist). Declare it so the testing-platform
integration job runs under the bun workspace store.

* fix(vscode): restore tsconfig-paths for integration runner; tp-orchestrator uses bun

Phase 6 over-removed tsconfig-paths: test-setup.js (loaded by the
@vscode/test-cli mocha integration runner) requires it to resolve @/
aliases in the compiled out/ tree — the extension host test runner failed
with "Cannot find module 'tsconfig-paths'". Restore it. Also switch the
testing-platform spawn from `npx ts-node index.ts` to `bun index.ts`
(bun runs TS natively; avoids the removed ts-node).

* fix(vscode): route tests by bun:test import marker; integration runner stays mocha

The mocha->bun codemod swept up tests that the Node-based @vscode/test-cli
integration runner compiles/runs, which cannot load the `bun:test` builtin
(and some need the real VSCode host). Establish a single source of truth:
a *.test.ts is bun-runner-owned IFF it imports "bun:test".

- run-bun-unit-tests.ts: discover files by the bun:test import marker
  (not fixed globs), so every migrated file runs under bun.
- build-tests.js: generate a tsconfig that excludes all bun:test files
  from the integration compile (json5-parsed), so out/ never contains
  bun:test; gitignore the generated config.
- .vscode-test.mjs: exclude the bun unit dirs from the runner globs.
- revert host-dependent tests (hostbridge/*, extension, terminal,
  FileContextTracker host bits) and 3 files with sinon-on-ESM/behavioral
  issues (ClineIgnoreController, mentions, TelemetryService) back to
  mocha; they run on @vscode/test-cli as before.

Verified: check-types 0 errors; compile-tests 0 bun:test in out/;
bun unit 65 files/962 pass/0 fail; vitest 582/0.

* fix(vscode): declare mocha — phantom dep for @vscode/test-cli integration runner

The @vscode/test-cli extension host loads `mocha` at runtime to run the
integration suite, but only @types/mocha was declared (npm hoisted the
mocha package transitively; bun's store does not expose it). The host
failed with "Cannot find module 'mocha'". Declare mocha ^11.7.4 (matches
@vscode/test-cli's own range).

* fix(vscode): robust Windows protoc-gen-ts_proto plugin resolution under bun

build-proto.mjs hardcoded node_modules/.bin/protoc-gen-ts_proto.cmd for
Windows, but bun's workspace store places/extensions the bin shim
differently (hoist + .cmd/.bunx), so Windows protos failed with
"protoc-gen-ts_proto: The system cannot find the file specified". Probe
the local + root .bin with known shim extensions instead. Also update
the testing-platform usage string (ts-node -> bun).

* fix(vscode): generate node .cmd wrapper for ts-proto plugin on Windows

The previous probe found bun's `.bunx` shim, but protoc cannot exec it
("%1 is not a valid Win32 application"). Instead, on Windows generate a
small .cmd wrapper that runs the resolved protoc-gen-ts_proto JS via
`node`, which protoc can execute regardless of package manager. POSIX
path (direct JS bin) is unchanged.

* fix(vscode): package VSIX with --no-dependencies (bundled) to stop monorepo traversal

Under the bun workspace, @cline/* are workspace:* symlinks pointing to
../../../../sdk/packages/*. vsce, walking the dependency tree, followed
them out of apps/vscode and packaged the whole monorepo (../, ~84MB incl.
root node_modules and .env), which crashed vsce's secret scanner and
failed all e2e jobs.

The extension is fully esbuild-bundled into dist/extension.js, so vsce
should not walk node_modules at all. Add --no-dependencies to every
vsce/ovsx package/publish path (e2e build, marketplace, nightly), and
tighten .vscodeignore to drop nested node_modules and dev-only inputs
(scripts, proto, testing-platform, bunfig, esbuild.mjs, etc.).

Result: VSIX is 39 files / ~7 MB and the secret scan passes.

* docs(vscode): tighten bun/node comments and consolidate into a clinerule

- add .clinerules/bun-and-node.md (eternal-now: bun=tooling, node=runtime,
  keep-list, and the bun:test-vs-mocha test routing rule); remove the
  apps/vscode/docs/bun-migration-notes.md migration doc and point
  .clinerules/general.md at the rule (single-line bullet matching the file).
- fix the hotfix-release note: there is no infra step that regenerates the
  lockfile; a CHANGELOG+version bump leaves bun.lock consistent (workspace
  versions aren't pinned) and publish runs --frozen-lockfile.
- reframe runner/preload comments to describe the code as-is (drop
  "migrated off mocha"/codemod history); add a TODO on the bun-test preload
  to migrate suites off the vitest `vi` shim to native bun:test and delete it.
- remove the one-shot mocha->bun codemod scripts.

* fix(debug-harness): pin debugee VSCode version so bundled Playwright can drive it

The harness downloaded "stable" VSCode (currently 1.125 / Electron 42),
which the bundled Playwright cannot drive — `_electron.launch()` hangs
until its 60s timeout (Electron started and a window appeared, but the
launch handshake never completed). Default to a known-good version
(1.103.0, matching the e2e CI matrix) and allow override via
VSCODE_TEST_VERSION.

* fix(webview): render under bun workspace — dedupe React, drop stale codicons link

The webview mounted but crashed before rendering (blank sidebar; e2e
"Login to Cline" never visible) with "Cannot read properties of null
(reading 'useRef')" — the classic two-React-copies / null hook dispatcher.
Under the bun workspace, sibling packages pull react@19 into the shared
store and a transitive webview dep resolved a second React instance into
the vite bundle. Add resolve.dedupe + pin react/react-dom to webview-ui's
own React 18 copy.

Also drop the separate `<link>` to node_modules/@vscode/codicons in the
webview HTML: the webview's index.css already @imports codicons, so the
font is bundled into the build assets. Under bun that node_modules path
is a symlink to the root store (outside the webview localResourceRoots)
and isn't packaged with --no-dependencies, so the link 404'd; the bundle
covers it. Re-scope the .vscodeignore nested-node_modules exclude so it
no longer shadows the codicons re-include.

* fix(debug-harness): disable GPU so the debugee renders in headless/VM envs

On headless/VM GPU stacks the debugee Electron's GPU process crash-loops
("Exiting GPU process during initialization" / CreateCommandBuffer
kTransientFailure), killing the window before Playwright finishes
attaching and tripping the 60s launch timeout. Force software rendering
(--disable-gpu and friends) for a stable harness launch.

* fix(debug-harness): survive launch failures; configurable, longer launch timeout

The harness crashed (whole bun process exited) whenever VSCode launch
failed/timed out: Playwright emits a late unhandled rejection on the dead
CDP transport after we've already handled the launch error, and the
default behavior takes the HTTP server down with it — forcing a full
restart just to retry.

- Add process-level unhandledRejection/uncaughtException guards so stray
  async errors are logged and the server keeps serving (retry via `launch`).
- On launch failure, close the orphaned Electron so a retry isn't blocked.
- Make the _electron.launch timeout configurable (--launch-timeout) and
  raise the default to 120s for cold launches; document VSCODE_TEST_VERSION.

* fix(ci): address review feedback — vsix --no-dependencies, drop stale coverage path, Windows shell

- ext-vscode-publish-stable.yml: add --no-dependencies to the release-artifact
  `vsce package` (Max's catch). Without it, vsce follows the @cline/* workspace
  symlinks out of the package and bloats the .vsix with the whole monorepo.
- ext-vscode-test.yml: drop the stale apps/vscode/coverage-unit/lcov.info upload
  path (Max's catch). That file was produced by the removed nyc unit-coverage
  step (.nycrc.unit.json); nothing generates it now.
- ext-vscode-test-e2e.yml: the better-sqlite3 assert step ran under the Windows
  runner's default pwsh and failed to parse the POSIX test. Pin it to `shell: bash`
  (Git Bash ships on windows-latest); the non-e2e job already defaults to bash.

---------

Co-authored-by: Cline Agent <cline-agent@users.noreply.github.com>
2026-06-24 14:11:34 +09:00

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[test]
# Module-substitution aliases for `bun test`. bun resolves tsconfig `paths`
# (@/*, @core/*, @shared/*, …) and the real @cline/llms + @cline/shared dist
# builds on its own; the preload only shadows `vscode` and `@cline/core` with
# their unit-test stubs (mirrors vitest.config.ts resolve.alias). See
# src/test/bun-test-preload.ts for details.
preload = ["./src/test/bun-test-preload.ts"]