ci.yml

name: CI

on:
  push:
    branches: [master]
  pull_request:

permissions:
  contents: read

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      # Node 24+ runs the .ts sources directly (native type stripping) — no build, no tsx.
      - uses: actions/setup-node@v4
        with:
          node-version: 24

      - run: npm ci

      - name: Typecheck
        run: npx tsc --noEmit

      # Regenerate the TextMate grammar and fail if it drifts from the committed file
      # (i.e. someone edited the grammar but forgot to regenerate).
      - name: Generate editor artifacts (must be in sync)
        run: |
          node src/cli.ts examples/typescript.ts
          git diff --exit-code -- examples/typescript.tmLanguage.json examples/typescript.language-configuration.json examples/typescript.monarch.json examples/typescript.cst-types.ts examples/tree-sitter examples/lezer

      # Self-contained suites (each exits non-zero on failure). The conformance /
      # coverage / bench tools are excluded here: they need the external TypeScript
      # conformance corpus and VS Code's grammar, which aren't available on a runner.
      - name: Test
        run: |
          node test/sanity-check.ts
          node test/agnostic.ts
          node test/refactor-guard.ts
          node test/test-issues.ts