feat: set up release workflow

.github/workflows/release.yml

@@ -0,0 +1,60 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  semantic-release:
+    name: Release
+    if: "!contains(github.event.head_commit.message, 'SKIP CI')"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [14.x]
+    steps:
+      - name: Checkout branch (${{ github.ref }})
+        uses: actions/checkout@master
+      - name: Configure git
+        run: |
+          git config user.name "Action"
+          git config user.email "[email protected]"
+      - name: Setup node (v${{ matrix.node-version }})
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install packages
+        run: |
+          npm ci
+          npm run build --if-present
+        env:
+          CI: true
+      - name: Install release dependencies
+        # see: https://github.com/semantic-release/changelog/issues/168
+        run: npm i --no-save @semantic-release/changelog@5 @semantic-release/exec@5 @semantic-release/git@9
+      - name: Build release
+        run: npm run release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_ADMIN || secrets.GITHUB_TOKEN }} # push release to remote repo
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN || secrets.GITHUB_TOKEN }}   # publish package to registry
+      - name: Sync to remote
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: ${{ github.ref }}
+        continue-on-error: true
+      - name: Sync to next
+        if: "github.ref == 'refs/heads/master'"
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: next
+        continue-on-error: true
+      - name: Save bundle
+        uses: actions/upload-artifact@v1
+        with:
+          name: Bundle
+          path: dist
+        continue-on-error: true

.releaserc.js

@@ -0,0 +1,74 @@
+module.exports = {
+  ci: false,
+  branches: ["master", { name: "next", prerelease: true }],
+  plugins: [
+    [
+      "@semantic-release/commit-analyzer",
+      {
+        preset: "angular",
+        releaseRules: [
+          { type: "feat", release: "minor" },
+          { type: "style", release: "patch" },
+          { type: "refactor", release: "patch" },
+          { scope: "skip", release: false },
+        ],
+        parserOpts: {
+          noteKeywords: ["BREAKING CHANGE", "BREAKING CHANGES", "BREAKING"],
+        },
+      },
+    ],
+    [
+      "@semantic-release/release-notes-generator",
+      {
+        preset: "conventionalcommits",
+        presetConfig: {
+          types: [
+            { type: "feat", section: "✨ New & Improved", hidden: false },
+            { type: "refactor", section: "✨ New & Improved", hidden: true },
+
+            { type: "style", section: "💄 Style Refinements", hidden: false },
+
+            { type: "fix", section: "🛠 Fixes & Updates", hidden: false },
+            { type: "perf", section: "🛠 Fixes & Updates", hidden: false },
+            { type: "chore", section: "🛠 Fixes & Updates", hidden: true },
+            { type: "test", section: "🛠 Fixes & Updates", hidden: true },
+
+            { type: "docs", section: "📘 Docs", hidden: false },
+
+            { type: "build", hidden: true },
+            { type: "ci", hidden: true },
+          ],
+        },
+        parserOpts: {
+          noteKeywords: ["BREAKING CHANGE", "BREAKING CHANGES", "BREAKING"],
+        },
+        writerOpts: {
+          commitsSort: ["subject", "scope"],
+          headerPartial: `## Version {{version}}`,
+        },
+      },
+    ],
+    [
+      "@semantic-release/changelog",
+      {
+        changelogTitle: "Changelog\n===",
+      },
+    ],
+    [
+      "@semantic-release/npm",
+      {
+        npmPublish: false,
+        tarballDir: "dist",
+      },
+    ],
+    ["@semantic-release/github"],
+    [
+      "@semantic-release/git",
+      {
+        assets: ["CHANGELOG.md", "package.json", "package-lock.json"],
+        message:
+          "Release v${nextRelease.version}\n\n${nextRelease.notes}\n<!--SKIP CI-->",
+      },
+    ],
+  ],
+};