New WASM build

.github/actions/prepare/action.yml

@@ -0,0 +1,24 @@
+name: Prepare
+description: Prepare CI environment
+
+runs:
+  using: composite
+  steps:
+    - name: Install Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        flutter-version: "3.x"
+        channel: "stable"
+    - name: Download sqlite3.wasm
+      uses: actions/download-artifact@v4
+      with:
+        name: sqlite3-wasm
+        path: packages/sqlite3_wasm_build/dist/
+    - name: Install Melos
+      shell: sh
+      run: flutter pub global activate melos
+    - name: Install dependencies
+      shell: sh
+      env:
+        IS_IN_POWERSYNC_CI: 1
+      run: melos prepare

.github/workflows/check.yml

@@ -0,0 +1,61 @@
+name: Check packages and demos
+
+concurrency:
+  group: packages-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+
+on:
+  push:
+    branches:
+      - "**"
+
+jobs:
+  setup:
+    uses: ./.github/workflows/prepare_wasm.yml
+
+  build:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/prepare
+      - name: Check formatting
+        run: melos format:check:packages
+      - name: Lint
+        run: melos analyze:packages
+      - name: Publish dry-run
+        run: melos publish --dry-run --yes
+
+  pana:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/prepare
+      - name: Check pana score
+        run: |
+          flutter pub global activate pana
+          melos analyze:packages:pana --no-select
+
+  test:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/prepare
+      - name: Run flutter tests
+        run: melos test
+      - name: Run dart tests
+        run: melos test:web
+
+  check_demos:
+    runs-on: ubuntu-latest
+    needs: [setup]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/prepare
+      - name: Check formatting
+        run: melos format:check:demos
+      - name: Lint
+        run: |
+          ./.github/workflows/scripts/copy-config.sh
+          melos analyze:demos

.github/workflows/prepare_wasm.yml

@@ -0,0 +1,53 @@
+name: Build SQLite3 WASM
+
+on:
+  workflow_call:
+
+jobs:
+  compile_sqlite3_wasm:
+    name: Compile sqlite3 wasm
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
+        id: cache_build
+        with:
+          path: packages/sqlite3_wasm_build/dist/
+          key: wasm-${{ runner.os }}-${{ hashFiles('packages/sqlite3_wasm_build/build.sh') }}
+
+      - name: Setup Homebrew
+        if: steps.cache_build.outputs.cache-hit != 'true'
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+      - name: Install Dart SDK
+        if: steps.cache_build.outputs.cache-hit != 'true'
+        uses: dart-lang/setup-dart@v1
+      - name: Setup macOS build dependencies
+        if: steps.cache_build.outputs.cache-hit != 'true'
+        run: brew install cmake llvm lld binaryen wasi-libc wasi-runtimes
+      - name: Compile sqlite3.wasm on macOS
+        if: steps.cache_build.outputs.cache-hit != 'true'
+        working-directory: packages/sqlite3_wasm_build
+        run: ./build.sh
+
+      - name: Upload built sqlite3 binaries
+        uses: actions/upload-artifact@v4
+        with:
+          name: sqlite3-wasm
+          path: packages/sqlite3_wasm_build/dist/
+          if-no-files-found: error
+          retention-days: 1
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+      - uses: pnpm/action-setup@v2
+        name: Install pnpm
+        with:
+          run_install: false
+          version: 10
+      - name: Dry-run npm publish
+        working-directory: packages/sqlite3_wasm_build
+        run: |
+          pnpm i
+          pnpm publish --no-git-checks --dry-run

.github/workflows/release.yml

@@ -7,6 +7,9 @@ on:
       - 'powersync-v[0-9]+.[0-9]+.[0-9]+'
 
 jobs:
+  setup:
+    uses: ./.github/workflows/prepare_wasm.yml
+
   build:
     runs-on: ubuntu-latest
     permissions:
@@ -15,18 +18,7 @@ jobs:
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
-
-      - name: Install Flutter
-        uses: subosito/flutter-action@v2
-        with:
-          flutter-version: '3.x'
-          channel: 'stable'
-
-      - name: Install Melos
-        run: flutter pub global activate melos
-
-      - name: Install Dependencies and Compile Assets
-        run: melos prepare
+      - uses: ./.github/actions/prepare
 
       - name: Create Draft Release
         env:
@@ -39,4 +31,21 @@ jobs:
           body="Release $tag
           $changes"
           gh release create "$tag" --title "$tag" --notes "$body"
-          gh release upload "${{ github.ref_name }}" packages/powersync/assets/powersync_db.worker.js packages/powersync/assets/powersync_sync.worker.js
+          gh release upload "${{ github.ref_name }}" packages/powersync/assets/powersync_db.worker.js packages/powersync/assets/powersync_sync.worker.js packages/sqlite3_wasm_build/dist/*.wasm
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+      - uses: pnpm/action-setup@v2
+        name: Install pnpm
+        with:
+          run_install: false
+          version: 10
+      - name: Publish npm package with WASM files
+        working-directory: packages/sqlite3_wasm_build
+        run: |
+          pnpm i
+          npm version --allow-same-version --no-git-tag-version $(echo $GITHUB_REF_NAME | sed -E 's/powersync-v//')
+          pnpm publish --no-git-checks --access public
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}