feat: Add automated releases and tests

Author: dawsontoth

.github/workflows/release.yaml

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+name: Release
+
+on:
+  merge_group:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+# Needed for semantic-release to create GitHub releases and publish to npm via OIDC
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+  id-token: write
+
+concurrency:
+  group: Release
+  cancel-in-progress: false
+
+jobs:
+  release:
+    name: Release
+    environment: Release
+    # Ensure releases run only when code reaches main via GitHub Merge Queue, or when manually dispatched
+    runs-on: ubuntu-latest
+    if: github.repository == 'HarperFast/vite-plugin' || github.repository == 'harperfast/vite-plugin'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+      - name: Setup Node.js
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
+        with:
+          node-version-file: '.nvmrc'
+          cache: npm
+          registry-url: 'https://registry.npmjs.org'
+      - name: Install dependencies
+        run: npm ci
+      - name: Check format
+        run: npm run format:check
+      - name: Run unit tests
+        run: npm run test:coverage
+      - name: Semantic Release
+        if: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' || (github.event_name == 'merge_group' && github.event.merge_group.base_ref == 'refs/heads/main') }}
+        uses: cycjimmy/semantic-release-action@b12c8f6015dc215fe37bc154d4ad456dd3833c90 # v6.0.0
+        with:
+          extra_plugins: |
+            @semantic-release/commit-analyzer
+            @semantic-release/release-notes-generator
+            @semantic-release/npm
+            @semantic-release/git
+            @semantic-release/github
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_CONFIG_PROVENANCE: true

.github/workflows/verify-commits.yaml

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+name: Verify Commits
+
+on:
+  pull_request:
+    types: [opened, synchronize, edited, reopened, ready_for_review]
+  push:
+    branches: [main]
+
+jobs:
+  commitlint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+      - name: Commitlint
+        uses: wagoid/commitlint-github-action@b948419dd99f3fd78a6548d48f94e3df7f6bf3ed # v6.2.1
+        with:
+          configFile: commitlint.config.cjs

.github/workflows/verify-pr.yaml

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+name: Verify PR
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: [main]
+
+jobs:
+  verify:
+    name: Verify (Node ${{ matrix.node-version }}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [20, 22, 24]
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - name: Set up Node.js
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: npm
+      - name: Install dependencies
+        run: npm ci
+      - name: Check format
+        run: npm run format:check
+      - name: Run unit tests
+        run: npm run test:coverage

.releaserc.json

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+{
+	"branches": ["main"],
+	"plugins": [
+		"@semantic-release/commit-analyzer",
+		[
+			"@semantic-release/release-notes-generator",
+			{
+				"preset": "conventionalcommits",
+				"presetConfig": {
+					"types": [
+						{ "type": "feat", "section": "Features" },
+						{ "type": "feature", "section": "Features" },
+						{ "type": "docs", "section": "Documentation" },
+						{ "type": "fix", "section": "Bug Fixes" },
+						{ "type": "perf", "section": "Performance Improvements" },
+						{ "type": "refactor", "section": "Code Improvements" },
+						{ "type": "revert", "section": "Reverts" },
+						{ "type": "test", "section": "Test Improvements" },
+						{ "type": "chore", "scope": "deps", "section": "Dependency Updates" }
+					]
+				}
+			}
+		],
+		"@semantic-release/npm",
+		[
+			"@semantic-release/git",
+			{
+				"assets": ["package.json"],
+				"message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+			}
+		],
+		"@semantic-release/github"
+	]
+}

commitlint.config.cjs

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+module.exports = {
+	extends: ['@commitlint/config-conventional'],
+	rules: {
+		'subject-case': [0, 'never'],
+		'body-max-line-length': [0, 'never'],
+		'footer-max-line-length': [0, 'never'],
+	},
+};

example-app/index.html

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+<h1>Hello Vite</h1>

example-app/vite.config.js

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+import { defineConfig } from 'vite';
+export default defineConfig({});