Migrate to tsdown, TypeScript 7, Oxlint and Oxfmt

.github/dependabot.yml

@@ -1,22 +1,22 @@
 version: 2
 updates:
-    - package-ecosystem: npm
-      directory: '/'
-      schedule:
-          interval: weekly
-      open-pull-requests-limit: 10
-      versioning-strategy: increase
-      groups:
-        production-dependencies:
-          dependency-type: "production"
-        development-dependencies:
-          dependency-type: "development"
-    - package-ecosystem: 'github-actions'
-      directory: '/'
-      schedule:
-          interval: weekly
-      open-pull-requests-limit: 5
-      groups:
-        github-actions:
-          patterns:
-            - "*"
+  - package-ecosystem: npm
+    directory: '/'
+    schedule:
+      interval: weekly
+    open-pull-requests-limit: 10
+    versioning-strategy: increase
+    groups:
+      production-dependencies:
+        dependency-type: 'production'
+      development-dependencies:
+        dependency-type: 'development'
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: weekly
+    open-pull-requests-limit: 5
+    groups:
+      github-actions:
+        patterns:
+          - '*'

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20.x, 22.x, 24.x]
+        node-version: [22.x, 24.x, 26.x]
       fail-fast: false
     steps:
       - name: Checkout
@@ -25,6 +25,8 @@ jobs:
         run: npm run format:check
       - name: Lint
         run: npm run lint
+      - name: Typecheck
+        run: npm run typecheck
       - name: Build
         run: npm run build
       - name: Test

.github/workflows/pkg-pr-new.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: 20
+          node-version: 22.x
           cache: 'npm'
 
       - name: Install Dependencies

.github/workflows/publish.yml

@@ -15,11 +15,13 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
-          node-version: 20
+          node-version: 22.x
       - name: Install Dependencies
         run: npm ci
       - name: Lint
         run: npm run lint
+      - name: Typecheck
+        run: npm run typecheck
       - name: Build
         run: npm run build
       - name: Test
@@ -50,6 +52,6 @@ jobs:
         env:
           TAG_NAME: ${{ github.ref_name }}
       - run: npm stage publish --provenance --access public --tag next
-        if: "github.event.release.prerelease"
+        if: 'github.event.release.prerelease'
       - run: npm stage publish --provenance --access public
-        if: "!github.event.release.prerelease"
+        if: '!github.event.release.prerelease'

.gitignore

@@ -1,4 +1,5 @@
 /lib
+/dist
 /node_modules
 *.swp
 /coverage

.vscode/settings.json

@@ -0,0 +1,56 @@
+{
+  "editor.formatOnSave": true,
+  "editor.formatOnSaveMode": "file",
+  "editor.formatOnPaste": false,
+  "editor.formatOnType": false,
+  "editor.defaultFormatter": "oxc.oxc-vscode",
+  "editor.detectIndentation": false,
+  "oxc.enable": true,
+  "oxc.configPath": "oxlint.config.ts",
+  "oxc.fmt.configPath": "oxfmt.config.ts",
+  "[typescript]": {
+    "editor.defaultFormatter": "oxc.oxc-vscode",
+    "editor.tabSize": 2
+  },
+  "[json]": {
+    "editor.quickSuggestions": {
+      "strings": true
+    },
+    "editor.suggest.insertMode": "replace",
+    "editor.defaultFormatter": "oxc.oxc-vscode",
+    "editor.tabSize": 2
+  },
+  "[jsonc]": {
+    "editor.quickSuggestions": {
+      "strings": true
+    },
+    "editor.suggest.insertMode": "replace",
+    "editor.defaultFormatter": "oxc.oxc-vscode",
+    "editor.tabSize": 2
+  },
+  "[yaml]": {
+    "editor.insertSpaces": true,
+    "editor.tabSize": 2,
+    "editor.autoIndent": "keep",
+    "diffEditor.ignoreTrimWhitespace": false,
+    "editor.defaultColorDecorators": "never",
+    "editor.quickSuggestions": {
+      "strings": true,
+      "other": true,
+      "comments": false
+    },
+    "editor.defaultFormatter": "oxc.oxc-vscode"
+  },
+  "[markdown]": {
+    "editor.unicodeHighlight.ambiguousCharacters": false,
+    "editor.unicodeHighlight.invisibleCharacters": false,
+    "diffEditor.ignoreTrimWhitespace": false,
+    "editor.wordWrap": "on",
+    "editor.quickSuggestions": {
+      "comments": "off",
+      "strings": "off",
+      "other": "off"
+    },
+    "editor.defaultFormatter": "oxc.oxc-vscode"
+  }
+}

README.md

@@ -27,11 +27,11 @@ Command-line options, exit behavior, and fuller examples are in the docs below.
 
 ## Documentation
 
-| Page | Description |
-|------|-------------|
-| [`analyze`](./docs/analyze.md) | Analyze command: examples, flags, metrics, exit codes, what checks run |
-| [`migrate`](./docs/migrate.md) | Migrate command: examples, flags, scope |
-| [Programmatic API](./docs/programmatic-api.md) | Experimental `report()` usage and trust exports (`src/index.ts`) |
+| Page                                           | Description                                                            |
+| ---------------------------------------------- | ---------------------------------------------------------------------- |
+| [`analyze`](./docs/analyze.md)                 | Analyze command: examples, flags, metrics, exit codes, what checks run |
+| [`migrate`](./docs/migrate.md)                 | Migrate command: examples, flags, scope                                |
+| [Programmatic API](./docs/programmatic-api.md) | Experimental `report()` usage and trust exports (`src/index.ts`)       |
 
 ## Contributing
 

oxfmt.config.ts

@@ -0,0 +1,16 @@
+import {defineConfig} from 'oxfmt';
+
+export default defineConfig({
+  bracketSpacing: false,
+  printWidth: 80,
+  semi: true,
+  singleQuote: true,
+  tabWidth: 2,
+  trailingComma: 'none',
+  useTabs: false,
+  arrowParens: 'always',
+  endOfLine: 'lf',
+  sortImports: false,
+  sortPackageJson: true,
+  ignorePatterns: ['test/fixtures/**']
+});

oxlint.config.ts

@@ -0,0 +1,15 @@
+import {defineConfig} from 'oxlint';
+
+export default defineConfig({
+  plugins: ['oxc', 'typescript', 'import', 'jsdoc', 'promise', 'vitest'],
+  categories: {
+    correctness: 'error'
+  },
+  rules: {
+    'vitest/prefer-snapshot-hint': 'off'
+  },
+  options: {
+    typeAware: true
+  },
+  ignorePatterns: ['test/fixtures/**']
+});