Add CI

.forgejo/workflows/check.yml

@@ -0,0 +1,45 @@
+name: Check
+
+on:
+  push:
+    branches: ['main']
+  pull_request:
+    branches: ['main']
+
+jobs:
+  check:
+    runs-on: docker
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.x'
+          check-latest: true
+
+      # package-lock.json is gitignored, so cache the global npm download cache
+      # keyed on package.json rather than relying on `npm ci` + a lockfile.
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Check formatting
+        run: npm run format
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type-check
+        run: npm test
+
+      - name: Build
+        run: npm run build

.forgejo/workflows/publish.yml

@@ -0,0 +1,88 @@
+name: Publish
+
+on:
+  push:
+    branches: ['main']
+    tags: ['*']
+  workflow_dispatch:
+
+concurrency:
+  group: 'pages'
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: docker
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.x'
+          check-latest: true
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Check formatting
+        run: npm run format
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Type-check
+        run: npm test
+
+      - name: Build library and docs
+        run: npm run build
+
+      - name: Deploy docs to pages mount
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        uses: http://forgejo:3000/andras/ci-actions/deploy-pages@main
+        with:
+          source: docs
+          target: sdf-2d-docs
+
+  publish-npm:
+    needs: build
+    runs-on: docker
+    if: startsWith(github.ref, 'refs/tags/')
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.x'
+          check-latest: true
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build library
+        run: npm run build
+
+      - name: Publish to NPM
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}