build.yml

name: facebook/hermes/build
on:
  pull_request:
    branches:
      - main
jobs:
  android:
    runs-on: ubuntu-latest
    env:
      HERMES_WS_DIR: ${{ github.workspace }}
    steps:
    - name: Set up workspace and install dependencies
      run: |-
        yes | sdkmanager "cmake;3.22.1" &
        sudo apt update && sudo apt install -y libicu-dev
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Build Hermes Compiler
      run: |-
        cmake -S hermes -B build
        # Build the Hermes compiler so that the cross compiler build can
        # access it to build the VM
        cmake --build ./build --target hermesc -j 4
    - name: Build Hermes for Android
      run: |-
        cd hermes/android
        ./gradlew githubRelease
    - name: Copy artifacts
      run: |-
        mkdir output
        cp build_android/distributions/hermes-runtime-android-*.tar.gz output
    - name: Checksum artifacts
      run: |-
        cd output
        for file in *
        do
          sha256sum "$file" > "$file.sha256"
        done
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: android-hermes
        path: output
  linux:
    runs-on: ubuntu-20.04
    steps:
    - name: Install dependencies
      run: |-
        sudo apt update
        sudo apt install -y git openssh-client cmake build-essential \
            libreadline-dev libicu-dev zip python3
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Build linux CLI
      run: |-
        cmake -S hermes -B build_hdb -DHERMES_STATIC_LINK=ON -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_CXX_FLAGS=-s -DCMAKE_C_FLAGS=-s \
          -DCMAKE_EXE_LINKER_FLAGS="-Wl,--whole-archive -lpthread -Wl,--no-whole-archive"
        cmake -S hermes -B build -DHERMES_STATIC_LINK=ON -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_CXX_FLAGS=-s -DCMAKE_C_FLAGS=-s \
          -DCMAKE_EXE_LINKER_FLAGS="-Wl,--whole-archive -lpthread -Wl,--no-whole-archive" \
          -DHERMES_ENABLE_DEBUGGER=False
        cmake --build build_hdb --target hdb
        cmake --build build --target check-hermes hermes hvm hbcdump hermesc
    - name: Create CLI tarball
      run: |-
        mkdir output staging
        cp build/bin/hermes build/bin/hvm build/bin/hbcdump \
          build/bin/hermesc build_hdb/bin/hdb staging
        tar -C staging -czvf output/${TAR_NAME} .
        shasum -a 256 output/${TAR_NAME} > output/${TAR_NAME}.sha256
      env:
        TAR_NAME: hermes-cli-linux.tar.gz
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: linux-hermes
        path: output
  macos:
    runs-on: macos-latest
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Install dependencies
      run: brew install cmake ninja
    - name: Build macOS CLI
      run: |-
        cmake -S hermes -B build -G Ninja ${RELEASE_FLAGS} -DHERMES_ENABLE_DEBUGGER=False
        cmake --build ./build --target hermes hvm hbcdump hermesc check-hermes
        cmake -S hermes -B build_hdb -G Ninja ${RELEASE_FLAGS}
        cmake --build ./build_hdb --target hdb check-hermes
      env:
        RELEASE_FLAGS: "-DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DCMAKE_OSX_ARCHITECTURES=x86_64;arm64 \\ -DBUILD_SHARED_LIBS=OFF -DHERMES_BUILD_SHARED_JSI=OFF"
    - name: Create CLI tarball
      run: |-
        mkdir output staging
        cp build/bin/hermes build/bin/hvm build/bin/hbcdump \
          build/bin/hermesc build_hdb/bin/hdb staging
        tar -C staging -czvf output/${TAR_NAME} .
        shasum -a 256 output/${TAR_NAME} > output/${TAR_NAME}.sha256
      env:
        TAR_NAME: hermes-cli-darwin.tar.gz
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: macos-hermes
        path: output
  build-apple-runtime:
    runs-on: macos-latest
    env:
      TERM: dumb
      HERMES_WS_DIR: "/tmp/hermes"
      HOMEBREW_NO_AUTO_UPDATE: 1
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
    - name: Cache setup
      uses: actions/cache@v4.0.0
      with:
        key: v4-repo-${{ github.sha }}
        path: |-
          build_iphoneos
          build_catalyst
          build_iphonesimulator
          build_macosx
          destroot
    - name: Set up workspace
      run: mkdir -p /tmp/hermes/output
    - name: Install dependencies
      run: |-
        brew install cmake ninja
        sudo gem install cocoapods
    - name: Build the iOS frameworks
      run: "./utils/build-ios-framework.sh"
    - name: Build the Mac frameworks
      run: "./utils/build-mac-framework.sh"
  test-macos:
    runs-on: macos-latest
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Install dependencies
      run: brew install cmake
    - name: Run MacOS regression tests in debug mode
      run: |-
        cmake -S hermes -B build -GXcode
        cmake --build ./build
        cmake --build ./build --target check-hermes
  test-apple-runtime:
    runs-on: macos-latest
    needs: build-apple-runtime
    env:
      TERM: dumb
      HERMES_WS_DIR: "/tmp/hermes"
      HOMEBREW_NO_AUTO_UPDATE: 1
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
    - name: Cache setup
      uses: actions/cache@v4.0.0
      with:
        key: v4-repo-${{ github.sha }}
        path: |-
          build_iphoneos
          build_catalyst
          build_iphonesimulator
          build_macosx
          destroot
    - name: Install dependencies
      run: brew install cmake ninja
    - name: Build the test application
      run: pod install
      working-directory: test/ApplePlatformsIntegrationTestApp
    - name: Test MacOS application
      run: |-
        xcodebuild test \
          -workspace ApplePlatformsIntegrationTests.xcworkspace \
          -configuration Debug \
          -destination 'platform=macOS' \
          -scheme ApplePlatformsIntegrationMacTests
      working-directory: test/ApplePlatformsIntegrationTestApp
    - name: Test iPhone application
      run: |-
        xcodebuild test \
          -workspace ApplePlatformsIntegrationTests.xcworkspace \
          -configuration Debug \
          -destination 'platform=iOS Simulator,name=iPhone 11' \
          -scheme ApplePlatformsIntegrationMobileTests
      working-directory: test/ApplePlatformsIntegrationTestApp
  package-apple-runtime:
    runs-on: macos-latest
    needs:
    - test-macos
    - test-apple-runtime
    env:
      TERM: dumb
      HERMES_WS_DIR: "/tmp/hermes"
      HOMEBREW_NO_AUTO_UPDATE: 1
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
    - name: Cache setup
      uses: actions/cache@v4.0.0
      with:
        key: v4-repo-${{ github.sha }}
        path: |-
          build_iphoneos
          build_catalyst
          build_iphonesimulator
          build_macosx
          destroot
    - name: Set up workspace
      run: mkdir -p /tmp/hermes/output
    - name: Install dependencies
      run: |-
        brew install cmake ninja
        sudo gem install cocoapods
    - name: Package the framework
      run: |-
        . ./utils/build-apple-framework.sh
        mkdir -p /tmp/cocoapods-package-root/destroot
        cp -R ./destroot /tmp/cocoapods-package-root
        cp hermes-engine.podspec LICENSE /tmp/cocoapods-package-root
        tar -C /tmp/cocoapods-package-root/ -czvf /tmp/hermes/output/hermes-runtime-darwin-v$(get_release_version).tar.gz .
    - name: Checksum artifacts
      run: |-
        cd /tmp/hermes/output
        for file in *
        do
          shasum -a 256 "$file" > "$file.sha256"
        done
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: apple-runtime
        path: /tmp/hermes/output/
  windows:
    runs-on: windows-2019
    env:
      HERMES_WS_DIR: C:\tmp\hermes
      ICU_URL: https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip
      MSBUILD_DIR: C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin
      CMAKE_DIR: C:\Program Files\CMake\bin
      RELEASE_FLAGS: "-DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DHERMES_ENABLE_WIN10_ICU_FALLBACK=OFF"
      TAR_NAME: hermes-cli-windows.tar.gz
    steps:
    - uses: actions/checkout@v4.1.0
    - name: Set up workspace
      run: |-
        New-Item -ItemType Directory $Env:HERMES_WS_DIR
        New-Item -ItemType Directory $Env:HERMES_WS_DIR\icu
        New-Item -ItemType Directory $Env:HERMES_WS_DIR\staging
        New-Item -ItemType Directory $Env:HERMES_WS_DIR\output
        New-Item -ItemType SymbolicLink -Target $Env:GITHUB_WORKSPACE -Path $Env:HERMES_WS_DIR -Name hermes
    - name: Download ICU
      run: |-
        cd $Env:HERMES_WS_DIR\icu
        # If Invoke-WebRequest shows a progress bar, it will fail with
        #   Win32 internal error "Access is denied" 0x5 occurred [...]
        $progressPreference = 'silentlyContinue'
        Invoke-WebRequest -Uri "$Env:ICU_URL" -OutFile "icu.zip"
        Expand-Archive -Path "icu.zip" -DestinationPath "."
    - name: Setup cmake
      uses: jwlawson/actions-setup-cmake@v2.0.0
      with:
        cmake-version: 3.14.7
    - name: Setup python
      uses: actions/setup-python@v5.0.0
      with:
        python-version: 3.12.1
    - name: Assemble Windows runtime dependencies
      run: |-
        cd $Env:HERMES_WS_DIR
        Copy-Item -Path "icu\bin64\icu*.dll" -Destination "staging"
        # Include MSVC++ 2015 redistributables
        Copy-Item -Path "c:\windows\system32\msvcp140.dll" -Destination "staging"
        Copy-Item -Path "c:\windows\system32\vcruntime140.dll" -Destination "staging"
        Copy-Item -Path "c:\windows\system32\vcruntime140_1.dll" -Destination "staging"
    - name: Build Windows CLI
      run: |-
        $Env:PATH += ";$Env:MSBUILD_DIR"
        $Env:ICU_ROOT = "$Env:HERMES_WS_DIR\icu"
        cd $Env:HERMES_WS_DIR
        cmake -S hermes -B build -G 'Visual Studio 16 2019' -Ax64 -DHERMES_ENABLE_DEBUGGER=False $Env:RELEASE_FLAGS
        if (-not $?) { throw "Failed to configure Hermes" }
        cmake -S hermes -B build_hdb -G 'Visual Studio 16 2019' -Ax64 $Env:RELEASE_FLAGS
        if (-not $?) { throw "Failed to configure Hermes" }
        cmake --build ./build --config Release -- -m /p:UseMultiToolTask=true -m /p:EnforceProcessCountAcrossBuilds=true
        if (-not $?) { throw "Failed to build Hermes" }
        cmake --build ./build_hdb --config Release --target hdb -- -m /p:UseMultiToolTask=true -m /p:EnforceProcessCountAcrossBuilds=true
        if (-not $?) { throw "Failed to build Hermes" }
    - name: Create CLI tarball
      run: |-
        cd $Env:HERMES_WS_DIR
        Copy-Item -Path "build\bin\Release\hermes.exe" -Destination "staging"
        Copy-Item -Path "build\bin\Release\hvm.exe" -Destination "staging"
        Copy-Item -Path "build\bin\Release\hbcdump.exe" -Destination "staging"
        Copy-Item -Path "build\bin\Release\hermesc.exe" -Destination "staging"
        Copy-Item -Path "build_hdb\bin\Release\hdb.exe" -Destination "staging"
        cd staging
        cmake -E tar zcf ..\output\$Env:TAR_NAME .
    - name: Checksum artifacts
      run: |-
        cd $Env:HERMES_WS_DIR\output
        $hash = Get-FileHash -Path $Env:TAR_NAME -Algorithm SHA256
        Write-Output ($hash.Hash + "  " + $Env:TAR_NAME) |
              Out-File -Encoding ASCII -FilePath ($Env:TAR_NAME +".sha256")
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: windows-hermes
        path: c:\tmp\hermes\output
  npm:
    runs-on: ubuntu-20.04
    needs:
    - android
    - linux
    - package-apple-runtime
    - windows
    - macos
    env:
      YARN: yarnpkg
      TERM: dumb
      DEBIAN_FRONTEND: noninteractive
    steps:
    - uses: actions/setup-node@v4.0.2
    - name: Print versions
      run: |-
        node --version
        yarn --version
    - name: Install dependencies and set up
      run: mkdir -p /tmp/hermes/output
    - uses: actions/checkout@v4.1.0
    - uses: actions/download-artifact@v4.1.2
    - name: Build NPM
      run: |-
        ls -lR
        cd npm
        cp ../macos-hermes/* .
        cp ../windows-hermes/* .
        cp ../android-hermes/* .
        cp ../apple-runtime/* .
        cp ../emscripten-hermes/* .
        cp ../linux-hermes/* .
        yarn install
        yarn unpack-builds
        yarn create-npms
    - name: Copy artifacts
      run: |-
        cd npm
        cp *.tgz /tmp/hermes/output
    - name: Checksum artifacts
      run: |-
        cd /tmp/hermes/output
        for file in *
        do
          sha256sum "$file" > "$file.sha256"
        done
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: npm-hermes
        path: /tmp/hermes/output
  emscripten:
    runs-on: ubuntu-20.04
    container:
      image: emscripten/emsdk:2.0.9
    steps:
    - name: Install dependencies
      run: |-
        apt update
        apt install -y libicu-dev
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Build Hermes Compiler
      run: |-
        cmake -S hermes -B build_host_hermesc
        cmake --build ./build_host_hermesc --target hermesc -j 4
    - name: Build Hermes with Emscripten for Website Playground
      run: |-
        echo LINKER_FLAGS: $LINKER_FLAGS
        cmake -S hermes -B playground \
            -DCMAKE_BUILD_TYPE=Release  \
            -DCMAKE_EXE_LINKER_FLAGS="$LINKER_FLAGS" \
            -DCMAKE_TOOLCHAIN_FILE="$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake" \
            -DIMPORT_HERMESC="$PWD/build_host_hermesc/ImportHermesc.cmake"
        cmake --build ./playground --target hermes -j 4
        cmake --build ./playground --target hermesc -j 4
        cmake --build ./playground --target emhermesc -j 4
        EMHERMESC="$PWD/playground/bin/emhermesc.js" node ./hermes/tools/emhermesc/test.js
      env:
        LINKER_FLAGS: "-s WASM=1 \\ -s ALLOW_MEMORY_GROWTH=0 \\ -s TOTAL_MEMORY=33554432 \\ -s MODULARIZE=1 \\ -s EXPORT_NAME=createHermes \\ -s INVOKE_RUN=0 \\ -s EXIT_RUNTIME=1 \\ -s NODERAWFS=0 \\ -s EXTRA_EXPORTED_RUNTIME_METHODS=[callMain,FS]"
    - name: Create Playground tarball
      run: |-
        mkdir output staging
        cp ./playground/bin/hermes.js ./playground/bin/hermes.wasm staging
        tar -C staging -czvf output/${TAR_NAME} .
        shasum -a 256 output/${TAR_NAME} > output/${TAR_NAME}.sha256
      env:
        TAR_NAME: hermes-cli-emscripten.tar.gz
    - uses: actions/upload-artifact@v4.3.1
      with:
        name: emscripten-hermes
        path: output
  sandbox:
    runs-on: ubuntu-20.04
    container:
      image: emscripten/emsdk:3.1.39
    env:
      DEBIAN_FRONTEND: noninteractive
    steps:
    - name: Install dependencies
      run: |-
        apt update
        apt install -y libicu-dev tzdata
        wget https://github.com/WebAssembly/wabt/releases/download/1.0.33/wabt-1.0.33-ubuntu.tar.gz
        tar -xvf ./wabt-1.0.33-ubuntu.tar.gz
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Build Hermes with Emscripten
      run: |-
        # Generate the host compiler.
        cmake -S hermes -B build_host
        cmake --build ./build_host --target hermesc -j 4
        # Generate and build the debug artefact.
        cmake -S hermes -B build_wasm_dbg \
          -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake \
          -DIMPORT_HERMESC=build_host/ImportHermesc.cmake \
          -DCMAKE_BUILD_TYPE=Debug -DHERMES_UNICODE_LITE=ON \
          -DCMAKE_CXX_FLAGS=-O2  -DCMAKE_C_FLAGS=-O2 \
          -DCMAKE_EXE_LINKER_FLAGS="-sALLOW_MEMORY_GROWTH=1 -sSTACK_SIZE=256KB" \
          -DHERMES_ENABLE_DEBUGGER=OFF -DHERMES_SLOW_DEBUG=OFF
        cmake --build build_wasm_dbg --target hermesSandboxImpl -j 4
        ./wabt-1.0.33/bin/wasm2c build_wasm_dbg/API/hermes_sandbox/hermesSandboxImpl.wasm -n hermes \
          -o hermes/API/hermes_sandbox/external/hermes_sandbox_impl_dbg_compiled.c --num-outputs 8
        # Generate and build the release artefact.
        cmake -S hermes -B build_wasm_opt \
          -DCMAKE_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake \
          -DIMPORT_HERMESC=build_host/ImportHermesc.cmake \
          -DCMAKE_BUILD_TYPE=Release -DHERMES_UNICODE_LITE=ON \
          -DCMAKE_EXE_LINKER_FLAGS="-sALLOW_MEMORY_GROWTH=1 -sSTACK_SIZE=256KB -g2" \
          -DHERMES_ENABLE_DEBUGGER=OFF
        cmake --build build_wasm_opt --target hermesSandboxImpl -j 4
        ./wabt-1.0.33/bin/wasm2c build_wasm_opt/API/hermes_sandbox/hermesSandboxImpl.wasm -n hermes \
          -o hermes/API/hermes_sandbox/external/hermes_sandbox_impl_opt_compiled.c --num-outputs 8
    - name: Build and test with the newly generated sandbox
      run: |-
        cmake -S hermes -B build_dbg -DCMAKE_BUILD_TYPE=Debug
        cmake --build build_dbg -j 4
        cmake --build build_dbg --target check-hermes -j 4
        cmake -S hermes -B build_opt -DCMAKE_BUILD_TYPE=Release
        cmake --build build_opt -j 4
        cmake --build build_opt --target check-hermes -j 4
  test-linux:
    runs-on: ubuntu-20.04
    steps:
    - name: Install dependencies
      run: |-
        sudo apt update
        sudo apt install -y git openssh-client cmake build-essential \
            libicu-dev zip python3
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Run Hermes regression tests
      run: |-
        cmake -S hermes -B build
        cmake --build build --target check-hermes all -j 4
  test-windows:
    runs-on: windows-2019
    steps:
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Run Hermes regression tests
      run: |-
        cmake -S hermes -B build -G 'Visual Studio 16 2019'
        cmake --build build --target check-hermes -- -m /p:UseMultiToolTask=true -m /p:EnforceProcessCountAcrossBuilds=true
  test-e2e:
    runs-on: ubuntu-20.04
    container:
      image: reactnativecommunity/react-native-android:latest
      env:
        TERM: "dumb"
        GRADLE_OPTS: '-Dorg.gradle.daemon=false'
        # By default we only build ARM64 to save time/resources. For release/nightlies/prealpha, we override this value to build all archs.
        ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
        REACT_NATIVE_OVERRIDE_HERMES_DIR: /__w/hermes/hermes/hermes/
    steps:
    - uses: actions/setup-node@v4.0.2
    - name: Setup dependencies
      run: |-
        (yes | sdkmanager "cmake;3.22.1" --verbose) || true
        sudo apt update && sudo apt install -y openjdk-11-jdk
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Prepare RNTester
      run: |-
        git clone --depth=1 https://github.com/facebook/react-native
        cd react-native
        yarn install
        echo "console.log('Using Hermes: ' + (global.HermesInternal != null));" >> packages/rn-tester/js/RNTesterApp.android.js
    - name: Run android tests
      working-directory: react-native
      run: |
          ./gradlew -PreactNativeArchitectures=x86 :packages:rn-tester:android:app:installHermesRelease
          && adb shell am start com.facebook.react.uiapp/.RNTesterActivity
          && timeout 30s adb logcat -e "Using Hermes: true" -m 1
  test-e2e-intl:
    runs-on: ubuntu-latest
    env:
      TERM: "dumb"
      GRADLE_OPTS: '-Dorg.gradle.daemon=false'
      # By default we only build ARM64 to save time/resources. For release/nightlies/prealpha, we override this value to build all archs.
      ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
      HERMES_WS_DIR: /home/runner/work/hermes
    steps:
    - uses: actions/checkout@v4.1.0
    - name: Setup dependencies
      run: |-
        (yes | sdkmanager "cmake;3.22.1" --verbose) || true
        # Check out test262 at a pinned revision to reduce flakiness
        git clone https://github.com/tc39/test262
        cd test262
        git checkout 19da3ca0757248f7595ee09d532bb83dd438f2b5
    - name: Build Hermes Compiler
      run: |-
        cmake -S hermes -B ./build -DCMAKE_BUILD_TYPE=Release
        cmake --build ./build -j 4 --target hermesc
    - name: Run android tests
      uses: ReactiveCircus/android-emulator-runner@v2.30.1
      with:
        api-level: 29
        script: cd android && ./gradlew :intltest:prepareTests && ./gradlew -Pabis=x86 :intltest:connectedAndroidTest
  test-macos-test262:
    runs-on: macos-latest
    steps:
    - uses: maxim-lobanov/setup-xcode@v1.6.0
      with:
        xcode-version: 13.4.1
    - uses: actions/checkout@v4.1.0
      with:
        path: hermes
    - name: Setup dependencies
      run: |-
        brew install cmake ninja
        # Check out test262 at a pinned revision to reduce flakiness
        git clone https://github.com/tc39/test262
        cd test262
        git checkout 19da3ca0757248f7595ee09d532bb83dd438f2b5
    - name: Run Hermes tests and test262 with Intl
      run: |-
        cmake -S hermes -B build -GNinja -DHERMES_ENABLE_INTL=ON
        cmake --build ./build
        cmake --build ./build --target check-hermes
        python3 hermes/utils/testsuite/run_testsuite.py --test-intl test262/test -b build/bin