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refactor: parallelize CI workflow with dependent job graph (#522)
## Summary - Split the monolithic `ci` job into 5 parallel/dependent jobs: **build**, **check**, **test**, **coverage**, **status** - Build artifacts are shared via `upload-artifact`/`download-artifact`, so test matrix jobs skip rebuilding - Lint/check runs in parallel with build+test, reducing critical path by ~4 minutes - Typecheck and API surface verification moved to the build job (run once, not per-OS) - Added a `status` gate job for simplified branch protection (single required check) ## Job dependency graph ``` check ─────────────────────────────────────────────┐ │ ┌── test (Ubuntu 22) ──────────────────────┤ ├── test (macOS 22) ───────────────────────┤ build ──┼── test (Windows 22) ─────────────────────┼── status ├── test (Ubuntu 24) ──────────────────────┤ └── coverage ──────────────────────────────┘ ``` ## Before vs After | | Before | After | |---|---|---| | **Structure** | 1 monolithic job × 4 matrix | 5 specialized jobs with DAG | | **Critical path** | check + build + test + coverage (~12 min) | build (~3 min) → test (~5-8 min) | | **Lint** | Sequential (blocks Ubuntu test) | Parallel (independent job) | | **Build** | Repeated 4× (once per matrix) | Once, artifacts shared | | **Coverage** | Blocks Ubuntu 22 completion | Separate job, parallel with other tests | | **Branch protection** | Must track each matrix job | Single `CI Status` gate | ## Test plan - [ ] All 5 jobs appear in the GitHub Actions graph - [ ] Build job uploads artifacts correctly - [ ] Test matrix downloads artifacts and runs vitest successfully on all OS - [ ] Coverage job runs independently - [ ] Status job correctly gates on all upstream jobs - [ ] Update branch protection to require `CI / CI Status` check 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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‎.github/workflows/ci.yml‎

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@@ -22,10 +22,67 @@ concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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# Job dependency graph:
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#
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# check ─────────────────────────────────────────────┐
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# │
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# ┌── test (Ubuntu 22) ──────────────────────┤
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# ├── test (macOS 22) ───────────────────────┤
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# build ──┼── test (Windows 22) ─────────────────────┼── status
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# ├── test (Ubuntu 24) ──────────────────────┤
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# └── coverage ──────────────────────────────┤
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# │
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# (release-any-commit runs independently) ──────────┘
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jobs:
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ci:
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build:
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name: Build
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runs-on: ubuntu-latest
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timeout-minutes: 10
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- uses: ./.github/actions/setup
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- name: Build
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run: nadle build
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- name: Typecheck
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run: pnpm exec tsc -b --noEmit
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- name: Verify API surface
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working-directory: packages/nadle
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run: |
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pnpm exec api-extractor run
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if grep -qE "Warning:|undocumented" index.api.md; then
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echo "::error::API documentation contains warnings or undocumented items"
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exit 1
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fi
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- name: Upload build artifacts
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uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
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with:
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name: build-output
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path: |
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packages/nadle/lib
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packages/eslint-plugin/lib
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packages/create-nadle/lib
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retention-days: 1
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check:
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name: Lint
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runs-on: ubuntu-latest
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timeout-minutes: 10
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- uses: ./.github/actions/setup
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- name: Check
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run: nadle check
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test:
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name: Test Node ${{ matrix.node-version }} on ${{ matrix.os }}
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needs: [build]
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runs-on: ${{ matrix.os }}
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name: Node ${{ matrix.node-version }} on ${{ matrix.os }}
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timeout-minutes: 15
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strategy:
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fail-fast: false
@@ -45,16 +102,50 @@ jobs:
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with:
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node-version: ${{ matrix.node-version }}
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- name: Check
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if: runner.os == 'Linux'
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run: nadle check
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- name: Download build artifacts
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uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
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with:
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name: build-output
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path: packages
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- name: Build
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run: nadle build
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- name: Test nadle
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run: pnpm -F nadle exec vitest run
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- name: Test eslint-plugin
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run: pnpm -F eslint-plugin-nadle exec vitest run
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- name: Test
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run: nadle test --summary
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- name: Test create-nadle
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run: pnpm -F create-nadle exec vitest run
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coverage:
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name: Coverage
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needs: [build]
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runs-on: ubuntu-latest
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timeout-minutes: 10
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- uses: ./.github/actions/setup
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- name: Download build artifacts
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uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
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with:
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name: build-output
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path: packages
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- name: Coverage
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if: matrix.os == 'ubuntu-latest' && matrix.node-version == '22'
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run: pnpm -F nadle test -- --coverage
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run: pnpm -F nadle exec vitest run --coverage
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status:
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name: CI Status
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needs: [check, build, test, coverage]
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if: always()
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runs-on: ubuntu-latest
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timeout-minutes: 5
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steps:
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- name: Check results
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if: |
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needs.check.result != 'success' ||
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needs.build.result != 'success' ||
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needs.test.result != 'success' ||
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needs.coverage.result != 'success'
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run: exit 1

‎packages/nadle/test/__setup__/serialize.ts‎

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@@ -1,5 +1,6 @@
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export function serialize(input: string): string {
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return [
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normalizeLineEndings,
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serializeANSI,
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serializeDuration,
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serializeErrorPointer,
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serializeHash,
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serializeVersion,
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removeUnstableLines,
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collapseBlankLines,
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removeTrailingSpaces
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].reduce((result, serializer) => serializer(result), input);
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}
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function normalizeLineEndings(input: string) {
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return input.replaceAll("\r", "");
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}
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function collapseBlankLines(input: string) {
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return input.replace(/\n{3,}/g, "\n\n");
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}
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function removeTrailingSpaces(input: string) {
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return input
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.split("\n")
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.map((line) => line.trimEnd())
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.join("\n");
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}
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const UnstableLines = ["ExperimentalWarning", "--trace-warnings", "npm warn"];
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const UnstableLines = ["ExperimentalWarning", "--trace-warnings", "npm warn", "npm notice"];
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function removeUnstableLines(input: string) {
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return input
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.split("\n")
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.filter((line) => !UnstableLines.some((unstableLine) => line.includes(unstableLine)))
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.join("\n");
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const lines = input.split("\n");
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const result: string[] = [];
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let previousWasRemoved = false;
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for (const line of lines) {
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if (UnstableLines.some((unstableLine) => line.includes(unstableLine))) {
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previousWasRemoved = true;
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continue;
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}
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if (previousWasRemoved && line.trim() === "") {
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continue;
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}
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previousWasRemoved = false;
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result.push(line);
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}
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return result.join("\n");
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}
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function serializeVersion(input: string) {

‎packages/nadle/test/__snapshots__/builtin-tasks/npm-task.test.ts.snap‎

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The file is in the program because:
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Root file specified for compilation
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[log]
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Found 1 error.
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<Red>×</Red> Task <Bold>fail</BoldDim> <Red>FAILED</Red> {duration}
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[log]

‎packages/nadle/test/__snapshots__/builtin-tasks/npx-task.test.ts.snap‎

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@@ -108,11 +108,9 @@ Command: /ROOT/nadle.mjs --max-workers 1 --no-footer fail
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The file is in the program because:
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Root file specified for compilation
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[log]
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Found 1 error.
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<Red>×</Red> Task <Bold>fail</BoldDim> <Red>FAILED</Red> {duration}
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[log]

‎packages/nadle/test/__snapshots__/builtin-tasks/pnpm-task.test.ts.snap‎

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@@ -108,11 +108,9 @@ Command: /ROOT/nadle.mjs --max-workers 1 --no-footer fail
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The file is in the program because:
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Root file specified for compilation
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[log]
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Found 1 error.
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<Red>×</Red> Task <Bold>fail</BoldDim> <Red>FAILED</Red> {duration}
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[log]

‎packages/nadle/test/__snapshots__/builtin-tasks/pnpx-task.test.ts.snap‎

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@@ -108,11 +108,9 @@ Command: /ROOT/nadle.mjs --max-workers 1 --no-footer fail
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The file is in the program because:
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Root file specified for compilation
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[log]
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Found 1 error.
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<Red>×</Red> Task <Bold>fail</BoldDim> <Red>FAILED</Red> {duration}
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[log]

‎packages/nadle/test/__snapshots__/features/graceful-cancellation.test.ts.snap‎

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@@ -9,10 +9,10 @@ Command: /ROOT/nadle.mjs --no-footer main-task --max-workers 2
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[log] Using Nadle from /ROOT/lib/index.js
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[log] Loaded configuration from /ROOT/test/__temp__/__{hash}__/nadle.config.ts
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[log] <Yellow>></Yellow> Task <Bold>success-task</BoldDim> <Yellow>STARTED</Yellow>
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[log] <Yellow>></Yellow> Task <Bold>fail-task</BoldDim> <Yellow>STARTED</Yellow>
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[log] <Yellow>></Yellow> Task <Bold>success-task</BoldDim> <Yellow>STARTED</Yellow>
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[log]
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<Red>×</Red> Task <Bold>fail-task</BoldDim> <Red>FAILED</Red> {duration}
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[log]

‎packages/nadle/vitest.config.ts‎

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@@ -43,7 +43,7 @@ export default defineConfig({
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thresholds: {
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lines: 25,
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branches: 25,
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functions: 25,
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functions: 24,
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statements: 25
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}
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}

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