ci: Unify workflows into singular pipeline

.github/workflows/benchmarks.yml

@@ -2,27 +2,12 @@ name: Benchmarks
 
 on:
   workflow_dispatch:
-  pull_request:
-    branches:
-      - '**'
-    paths:
-      - '**/src/**.js'
-  push:
-    branches:
-      - main
-      - v11
-    paths:
-      - '**/src/**.js'
+  workflow_call:
 
 jobs:
-  build_test:
-    name: Build & Test
-    uses: ./.github/workflows/ci.yml
-
   prepare:
     name: Prepare environment
     runs-on: ubuntu-latest
-    needs: build_test
     timeout-minutes: 5
     steps:
       - name: Download locally built preact package
@@ -34,7 +19,7 @@ jobs:
         uses: andrewiggins/download-base-artifact@v3
         with:
           artifact: npm-package
-          workflow: ci.yml
+          workflow: build-test.yml
           required: false
       - run: mv preact.tgz preact-main.tgz
       - name: Upload locally build & base preact package

.github/workflows/build-test.yml

@@ -0,0 +1,55 @@
+name: Build & Test
+
+on:
+  workflow_dispatch:
+  workflow_call:
+    inputs:
+      ref:
+        description: 'Branch or tag ref to check out'
+        type: string
+        required: false
+        default: ''
+      artifact_name:
+        description: 'Name of the artifact to upload'
+        type: string
+        required: false
+        default: 'npm-package'
+
+jobs:
+  build_test:
+    name: Build & Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.ref || '' }}
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: 'package.json'
+          cache: 'npm'
+          cache-dependency-path: '**/package-lock.json'
+      - run: npm ci
+      - name: test
+        env:
+          CI: true
+          COVERAGE: true
+          FLAKEY: false
+        # Not using `npm test` since it rebuilds source which npm ci has already done
+        run: |
+          npm run lint
+          npm run test:unit
+      - name: Coveralls GitHub Action
+        uses: coverallsapp/[email protected]
+        timeout-minutes: 2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Package
+        # Use --ignore-scripts here to avoid re-building again before pack
+        run: |
+          npm pack --ignore-scripts
+          mv preact-*.tgz preact.tgz
+      - name: Upload npm package
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ inputs.artifact_name || 'npm-package' }}
+          path: preact.tgz

.github/workflows/ci.yml

@@ -2,61 +2,41 @@ name: CI
 
 on:
   workflow_dispatch:
-  workflow_call:
-    inputs:
-      ref:
-        description: 'Branch or tag ref to check out'
-        type: string
-        required: false
-        default: ''
-      artifact_name:
-        description: 'Name of the artifact to upload'
-        type: string
-        required: false
-        default: 'npm-package'
   pull_request:
     branches:
       - '**'
   push:
     branches:
       - main
       - restructure
+      - v11
 
 jobs:
-  build_test:
-    name: Build & Test
+  filter_jobs:
+    name: Filter jobs
     runs-on: ubuntu-latest
+    outputs:
+      jsChanged: ${{ steps.filter.outputs.jsChanged }}
     steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.ref || '' }}
-      - uses: actions/setup-node@v4
-        with:
-          node-version-file: 'package.json'
-          cache: 'npm'
-          cache-dependency-path: '**/package-lock.json'
-      - run: npm ci
-      - name: test
-        env:
-          CI: true
-          COVERAGE: true
-          FLAKEY: false
-        # Not using `npm test` since it rebuilds source which npm ci has already done
-        run: |
-          npm run lint
-          npm run test:unit
-      - name: Coveralls GitHub Action
-        uses: coverallsapp/[email protected]
-        timeout-minutes: 2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Package
-        # Use --ignore-scripts here to avoid re-building again before pack
-        run: |
-          npm pack --ignore-scripts
-          mv preact-*.tgz preact.tgz
-      - name: Upload npm package
-        uses: actions/upload-artifact@v4
+      - uses: dorny/paths-filter@v3
+        id: filter
         with:
-          name: ${{ inputs.artifact_name || 'npm-package' }}
-          path: preact.tgz
+          filters: |
+            jsChanged: '**/src/**.js'
+
+  compressed_size:
+    name: Compressed Size
+    needs: filter_jobs
+    if: ${{ needs.filter_jobs.outputs.jsChanged == 'true' }}
+    uses: ./.github/workflows/size.yml
+
+  build_test:
+    name: Build & Test
+    needs: filter_jobs
+    uses: ./.github/workflows/build-test.yml
+
+  benchmarks:
+    name: Benchmarks
+    needs: build_test
+    if: ${{ needs.filter_jobs.outputs.jsChanged == 'true' }}
+    uses: ./.github/workflows/benchmarks.yml

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on: create
 jobs:
   build:
     if: github.ref_type == 'tag'
-    uses: preactjs/preact/.github/workflows/ci.yml@main
+    uses: preactjs/preact/.github/workflows/build-test.yml@main
 
   release:
     runs-on: ubuntu-latest

.github/workflows/size.yml

@@ -1,11 +1,7 @@
 name: Compressed Size
 
 on:
-  pull_request:
-    branches:
-      - '**'
-    paths:
-      - '**/src/**.js'
+  workflow_call:
 
 jobs:
   build:
@@ -22,4 +18,4 @@ jobs:
           repo-token: '${{ secrets.GITHUB_TOKEN }}'
           # Our `prepare` script already builds the app post-install,
           # building it again would be redundant
-          build-script: 'npm run --if-present noop'
+          build-script: 'npm run --if-present noop'