build_test_wasm.yml

# Copyright (c) the JPEG XL Project Authors. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# Workflow for building and running tests.

name: Build/Test WASM
on:
  merge_group:
  push:
    branches:
      - main
      - v*.*.x
  pull_request:
    types: [opened, reopened, labeled, unlabeled, synchronize]

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  build_test:
    name: WASM wasm32/${{ matrix.variant }}
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'CI:none') }}
    runs-on: ubuntu-latest
    env:
      CCACHE_DIR: ${{ github.workspace }}/.ccache
      BUILD_TARGET: wasm32
      EM_VERSION: 3.1.51
      NODE_VERSION: 21

    strategy:
      matrix:
        include:
          - variant: scalar
          - variant: simd-128
          - variant: simd-256

    steps:
    - name: Harden Runner
      uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
      with:
        egress-policy: audit

    - uses: actions/checkout@1d96c772d19495a3b5c517cd2bc0cb401ea0529f # v4.1.3
      with:
        submodules: true
        fetch-depth: 1
    - name: Install build deps
      shell: bash
      run: |
        set -x
        sudo rm -f /var/lib/man-db/auto-update
        sudo apt update
        pkgs=(
          # Build dependencies
          ccache
          cmake
          doxygen
          graphviz
          ninja-build
          pkg-config
        )
        DEBIAN_FRONTEND=noninteractive sudo apt install -y "${pkgs[@]}"

    - name: Git environment
      id: git-env
      run: |
        echo "parent=$(git rev-parse ${{ github.sha }}^)" >> $GITHUB_OUTPUT
      shell: bash
    - name: ccache
      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
      with:
        path: ${{ env.CCACHE_DIR }}
        key: build-wasm-${{ runner.os }}-${{ github.sha }}-${{ matrix.variant }}
        restore-keys: |
          build-wasm-${{ runner.os }}-${{ steps.git-env.outputs.parent }}-${{ matrix.variant }}

    - name: Install node
      uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
      with:
        node-version: ${{env.NODE_VERSION}}

    - name: Get non-EMSDK node path
      run: which node >> $HOME/.base_node_path

    - name: Install emsdk
      uses: mymindstorm/setup-emsdk@6ab9eb1bda2574c4ddb79809fc9247783eaf9021 # v14
      # TODO(deymo): We could cache this action but it doesn't work when running
      # in a matrix.
      with:
        version: ${{env.EM_VERSION}}
        no-cache: true

    - name: Set EMSDK node version
      run: |
        echo "NODE_JS='$(cat $HOME/.base_node_path)'" >> $EMSDK/.emscripten
        emsdk construct_env

    # TODO(deymo): Build and install other dependencies like libpng, libjpeg,
    # etc.
    - name: Build
      run: |
        mkdir -p ${CCACHE_DIR}
        echo "max_size = 200M" > ${CCACHE_DIR}/ccache.conf
        if [[ "${{ matrix.variant }}" == "simd-128" ]]; then
          export ENABLE_WASM_SIMD=1
        fi
        if [[ "${{ matrix.variant }}" == "simd-256" ]]; then
          export ENABLE_WASM_SIMD=2
        fi
        ./ci.sh release \
          -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
          -DCMAKE_C_COMPILER_LAUNCHER=ccache \
          -DJPEGXL_ENABLE_BENCHMARK=OFF \
          -DJPEGXL_ENABLE_DEVTOOLS=OFF \
          -DJPEGXL_ENABLE_DOXYGEN=OFF \
          -DJPEGXL_ENABLE_EXAMPLES=OFF \
          -DJPEGXL_ENABLE_JNI=OFF \
          -DJPEGXL_ENABLE_MANPAGES=OFF \
          -DJPEGXL_ENABLE_PLUGINS=OFF \
          -DJPEGXL_ENABLE_TOOLS=OFF \
          -DJPEGXL_ENABLE_VIEWERS=OFF
      env:
        SKIP_TEST: 1
        TARGETS: all
    - name: ccache stats
      run: ccache --show-stats

    - name: Test
      if: |
        github.event_name == 'push' ||
        (github.event_name == 'pull_request' &&
         contains(github.event.pull_request.labels.*.name, 'CI:full'))
      run: |
        ./ci.sh test