Init CI workflow for pull requests (#53)

Author: tyulpan

.github/actions/build/action.yml

@@ -0,0 +1,83 @@
+name: "Build"
+description: "Build WASM, install dependencies, run tests, type-check, and build the app"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout emsdk
+      uses: actions/checkout@v6
+      with:
+        repository: emscripten-core/emsdk
+        path: emsdk
+
+    - name: Get latest Luau release
+      id: luau-release
+      shell: bash
+      run: |
+        # Fetch the latest release tag from luau-lang/luau
+        LATEST_TAG=$(curl -s https://api.github.com/repos/luau-lang/luau/releases/latest | jq -r '.tag_name')
+        echo "Latest Luau release: $LATEST_TAG"
+        echo "tag=$LATEST_TAG" >> "$GITHUB_OUTPUT"
+
+        # Fetch the commit hash for this tag
+        COMMIT_HASH=$(curl -s https://api.github.com/repos/luau-lang/luau/git/ref/tags/$LATEST_TAG | jq -r '.object.sha')
+        echo "Commit hash: $COMMIT_HASH"
+        echo "commit=$COMMIT_HASH" >> "$GITHUB_OUTPUT"
+
+    - name: Restore build cache
+      uses: actions/cache@v5
+      with:
+        path: |
+          emsdk
+          wasm/build
+          wasm/luau
+          public/wasm/luau.wasm
+          src/lib/luau/luau-module.js
+        key: build-${{ runner.os }}-${{ hashFiles('wasm/src/**', 'wasm/CMakeLists.txt', 'wasm/build.sh') }}-luau-${{ steps.luau-release.outputs.commit }}
+        restore-keys: |
+          build-${{ runner.os }}-${{ hashFiles('wasm/src/**', 'wasm/CMakeLists.txt', 'wasm/build.sh') }}-luau-
+          build-${{ runner.os }}-
+
+    - name: Install Emscripten
+      shell: bash
+      run: |
+        cd emsdk
+        ./emsdk install latest
+        ./emsdk activate latest
+
+    - name: Clone or update Luau
+      shell: bash
+      run: |
+        TAG=${{ steps.luau-release.outputs.tag }}
+        if [ ! -d "wasm/luau" ]; then
+          git clone --depth 1 --branch $TAG https://github.com/luau-lang/luau.git wasm/luau
+        else
+          cd wasm/luau
+          git fetch origin $TAG
+          git diff --quiet HEAD FETCH_HEAD || git reset --hard FETCH_HEAD
+        fi
+
+    - name: Build WASM
+      shell: bash
+      run: |
+        source emsdk/emsdk_env.sh
+        cd wasm
+        ./build.sh release
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v6
+      with:
+        node-version: 24
+        cache: npm
+
+    - name: Install dependencies
+      shell: bash
+      run: npm ci
+
+    - name: Type check
+      shell: bash
+      run: npm run check
+
+    - name: Build
+      shell: bash
+      run: npx vite build --base=./

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Build
+        uses: ./.github/actions/build

.github/workflows/deploy.yml

@@ -24,60 +24,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
-      - name: Checkout emsdk
-        uses: actions/checkout@v6
-        with:
-          repository: emscripten-core/emsdk
-          path: emsdk
-
-      - name: Restore build cache
-        uses: actions/cache@v5
-        with:
-          path: |
-            emsdk
-            wasm/build
-            wasm/luau
-            public/wasm/luau.wasm
-            src/lib/luau/luau-module.js
-          key: build-${{ runner.os }}-${{ hashFiles('wasm/src/**', 'wasm/CMakeLists.txt', 'wasm/build.sh') }}-luau-${{ github.run_id }}
-          restore-keys: |
-            build-${{ runner.os }}-${{ hashFiles('wasm/src/**', 'wasm/CMakeLists.txt', 'wasm/build.sh') }}-luau-
-            build-${{ runner.os }}-
-
-      - name: Install Emscripten
-        run: |
-          cd emsdk
-          ./emsdk install latest
-          ./emsdk activate latest
-
-      - name: Clone or update Luau
-        run: |
-          if [ ! -d "wasm/luau" ]; then
-            git clone --depth 1 https://github.com/Roblox/luau.git wasm/luau
-          else
-            cd wasm/luau
-            git fetch origin
-            git diff --quiet HEAD FETCH_HEAD || git reset --hard FETCH_HEAD
-          fi
-
-      - name: Build WASM
-        run: |
-          source emsdk/emsdk_env.sh
-          cd wasm
-          ./build.sh release
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: 24
-          cache: npm
-
-      - name: Install dependencies
-        run: npm ci
-
       - name: Build
-        # Use relative base so the same build works from any path (/ or /playground/)
-        run: npx vite build --base=./
+        uses: ./.github/actions/build
 
       - name: Setup Pages
         uses: actions/configure-pages@v5