lvgl/.github/workflows/compile_docs.yml

name: Build Docs 

on:
  workflow_dispatch: # allow manual triggering
    inputs:
      deploy:
        description: 'Deploy after build'
        default: 'false'
        type: choice
        options:
          - 'false'
          - 'true'
  pull_request:
    paths:
      - 'docs/**'
      - 'src/**'
      - 'examples/**'
      - 'demos/**'
      - 'configs/ci/docs/**'
      - 'scripts/build_html_examples.sh'
      - 'scripts/find_version.sh'
      - 'lv_conf_template.h'
      - 'lv_version.h'
      - 'lvgl.h'
      - '.github/workflows/compile_docs.yml'
  push:
    branches:
      - master
      - 'release/*'
    paths:
      - 'docs/**'
      - 'src/**'
      - 'examples/**'
      - 'demos/**'
      - 'configs/ci/docs/**'
      - 'scripts/build_html_examples.sh'
      - 'scripts/find_version.sh'
      - 'lv_conf_template.h'
      - 'lv_version.h'
      - 'lvgl.h'
      - '.github/workflows/compile_docs.yml'

# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#concurrency
# Ensure that only one commit will be running tests at a time on each PR
concurrency:
  group: ${{ github.ref }}-${{ github.workflow }}
  cancel-in-progress: true

env:
  EM_VERSION: 2.0.4
  EM_CACHE_FOLDER: 'emsdk-cache'

jobs:
  build-and-deploy:
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false
          fetch-depth: 0

      - name: Setup Emscripten cache
        id: cache-system-libraries
        uses: actions/cache@v5
        with:
          path: ${{env.EM_CACHE_FOLDER}}
          key: ${{env.EM_VERSION}}-${{ runner.os }}

      - uses: mymindstorm/setup-emsdk@v16
        with:
          version: ${{env.EM_VERSION}}
          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}

      - name: ccache
        uses: hendrikmuhs/ccache-action@v1

      - name: Build examples (with cache)
        run: |
          # Grab the current name in case the LVGL folder is not called lvgl
          # as it could be the case if this is running from a fork
          LVGL_FOLDER=$(pwd)
          # Move to the parent folder to fetch emscripten port.
          cd ..
          ./lvgl/scripts/build_html_examples.sh --symlink $LVGL_FOLDER

      - name: Install Doxygen
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends doxygen

      # Parses the source code and generates XML files from the documentation
      - name: Generate Doxygen XML
        run: |
            cd docs
            doxygen

      # Tool used to convert Doxygen XML to .mdx API pages
      - name: Install doxymark 
        run: |
          npm install github:mutahharmkhan/doxymark#multi-root-prefix

      # Generate Documentation API pages 
      - name: Generate API pages
        run: |
            npx doxymark \
            --input docs/doxygen/xml \
            --output docs/src \
            --index docs/src/api-index.json \
            --preset fumadocs \
            --auto-group \
            --root api=./include/lvgl \
            --root api-private=./src \
            --source-url-for api=https://github.com/lvgl/lvgl/tree/${{ github.sha }}/include/lvgl \
            --source-url-for api-private=https://github.com/lvgl/lvgl/tree/${{ github.sha }}/src \
            --root-title api=API \
            --root-title 'api-private=API Private' \
            --drop-empty-files
            rm -rf docs/doxygen 

      - name: Install Example Documentation
        run: npm i @lvgl/examples-generator

      - name: Check Example Documentation
        run: |
            npx -p @lvgl/examples-generator lvgl-examples-check-about --src examples
            npx -p @lvgl/examples-generator lvgl-examples-check-examples --src examples

      - name: Generate Example Documentation
        run: |
            npx -p @lvgl/examples-generator lvgl-examples-gen \
            --src examples \
            --out docs/src/examples

      - name: Install mdx linter
        run: npm i @lvgl/mdx-lint

      - name: Run mdx linter
        run: |
          npx @lvgl/mdx-lint "docs/**/*.{md,mdx}" \
          --fail-on-warning \
          --reporter github

      - name: Retrieve version
        id: version
        run: |
          echo "VERSION_NAME=$(scripts/find_version.sh)" >> "$GITHUB_OUTPUT"

      - name: Deploy Specific Version
        if: >
          startsWith(github.ref, 'refs/heads/release/') &&
          (github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.deploy == 'true'))
        run: |
          git clone https://lvgl-bot:${{ secrets.LVGL_BOT_TOKEN }}@github.com/lvgl/open-docs.git /tmp/open-docs
          rm -rf /tmp/open-docs/${{ steps.version.outputs.VERSION_NAME }}
          mkdir -p /tmp/open-docs/${{ steps.version.outputs.VERSION_NAME }}
          cp -r docs/. /tmp/open-docs/${{ steps.version.outputs.VERSION_NAME }}/
          cd /tmp/open-docs
          git config user.name lvgl-bot
          git config user.email lvgl-bot@users.noreply.github.com
          git add .
          git diff --cached --quiet || git commit -m "Deploy ${{ steps.version.outputs.VERSION_NAME }} ${{ github.sha }}"
          git push

      - name: Deploy Latest
        if: >
          github.ref == 'refs/heads/master' &&
          (github.event_name == 'push' || (github.event_name == 'workflow_dispatch' && github.event.inputs.deploy == 'true'))
        run: |
          git clone https://lvgl-bot:${{ secrets.LVGL_BOT_TOKEN }}@github.com/lvgl/open-docs.git /tmp/open-docs-latest
          rm -rf /tmp/open-docs-latest/latest
          rm -rf /tmp/open-docs-latest/${{ steps.version.outputs.VERSION_NAME }}
          mkdir -p /tmp/open-docs-latest/latest
          mkdir -p /tmp/open-docs-latest/${{ steps.version.outputs.VERSION_NAME }}
          cp -r docs/. /tmp/open-docs-latest/latest/
          cp -r docs/. /tmp/open-docs-latest/${{ steps.version.outputs.VERSION_NAME }}/
          cd /tmp/open-docs-latest
          git config user.name lvgl-bot
          git config user.email lvgl-bot@users.noreply.github.com
          git add .
          git diff --cached --quiet || git commit -m "Deploy ${{ steps.version.outputs.VERSION_NAME }} and latest from commit ${{ github.sha }}"
          git push