svelte/.github/workflows/ci.yml

name: CI
on:
  push:
    branches: [main]
  pull_request:
permissions:
  contents: read # to fetch code (actions/checkout)

env:
  # We only install Chromium manually
  PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: '1'

jobs:
  Tests:
    permissions: {}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15
    strategy:
      matrix:
        include:
          # Vitest 4 requires Node 20+, so tests run on 20/22/24. The published
          # Svelte package still supports Node >=18 (see packages/svelte/package.json).
          - node-version: 20
            os: windows-latest
          - node-version: 20
            os: macOS-latest
          - node-version: 20
            os: ubuntu-latest
          - node-version: 22
            os: ubuntu-latest
          - node-version: 24
            os: ubuntu-latest

    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: ${{ matrix.node-version }}
          cache: pnpm
      - run: pnpm install --frozen-lockfile
      - run: pnpm playwright install chromium
      - run: pnpm test
        env:
          CI: true
  TestNoAsync:
    permissions: {}
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: 22
          cache: pnpm
      - run: pnpm install --frozen-lockfile
      - run: pnpm playwright install chromium
      - run: pnpm test runtime-runes
        env:
          CI: true
          SVELTE_NO_ASYNC: true
  TSGo:
    permissions: {}
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: 24
          cache: pnpm
      - name: install
        run: pnpm install --frozen-lockfile
      - name: install tsgo
        run: cd packages/svelte && pnpm i -D @typescript/native-preview
      - name: type check
        run: cd packages/svelte && pnpm check:tsgo
  Lint:
    permissions: {}
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: 24
          cache: pnpm
      - name: install
        run: pnpm install --frozen-lockfile
      - name: type check
        run: pnpm check
      - name: lint
        if: (${{ success() }} || ${{ failure() }}) # ensures this step runs even if previous steps fail (avoids multiple runs uncovering different issues at different steps)
        run: pnpm lint
      - name: build and check generated types
        if: (${{ success() }} || ${{ failure() }}) # ensures this step runs even if previous steps fail
        run: pnpm build && { [ "`git status --porcelain=v1`" == "" ] || (echo "Generated types have changed — please regenerate types locally with `cd packages/svelte && pnpm generate:types` and commit the changes after you have reviewed them"; git diff; exit 1); }
      - name: check browser-support docs page is up to date
        run: '{ [ "`git status --porcelain=v1 documentation/docs/07-misc/.generated/`" == "" ] || (echo "The browser-support docs page is out of date — please regenerate it locally with \`cd packages/svelte && pnpm generate:browser-support\` and commit the changes"; git diff documentation/docs/07-misc/.generated/; exit 1); }'
  Benchmarks:
    permissions: {}
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: 24
          cache: pnpm
      - run: pnpm install --frozen-lockfile
      - run: pnpm bench
        env:
          CI: true