BREAKING CHANGE: Drop CJS support, switch to TS

.eslintrc.cjs

@@ -0,0 +1,18 @@
+module.exports = {
+  root: true,
+  env: {
+    node: true,
+  },
+
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+  ignorePatterns: ['dist/**/*'],
+
+  rules: {
+    '@typescript-eslint/ban-ts-comment': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-empty-function': 'off',
+    'no-empty': 'off',
+  },
+};

.github/ISSUE_TEMPLATE.md

@@ -1,6 +1,6 @@
 ### If you have an issue with a specific extension or type
 
-Locate the definition for your extension/type in the [db.json file](https://github.com/jshttp/mime-db/blob/master/db.json) in the `mime-db` project.  Does it look right?
+Locate the definition for your extension/type in the [db.json file](https://github.com/jshttp/mime-db/blob/master/db.json) in the `mime-db` project. Does it look right?
 
 - [ ] No. [File a `mime-db` issue](https://github.com/jshttp/mime-db/issues/new).
 - [ ] Yes: Go ahead and submit your issue/PR here and I'll look into it.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,6 @@
 ### If you have an issue with a specific extension or type
 
-Locate the definition for your extension/type in the [db.json file](https://github.com/jshttp/mime-db/blob/master/db.json) in the `mime-db` project.  Does it look right?
+Locate the definition for your extension/type in the [db.json file](https://github.com/jshttp/mime-db/blob/master/db.json) in the `mime-db` project. Does it look right?
 
 - [ ] No. [File a `mime-db` issue](https://github.com/jshttp/mime-db/issues/new).
 - [ ] Yes: Go ahead and submit your issue/PR here and I'll look into it.

.github/workflows/ci.yml

@@ -1,23 +1,21 @@
 name: Mime CI
 
-on:
-  [push]
+on: [push]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x, 18.x]
+        node-version: [14.x, 16.x, 18.x, 20.x]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm ci
-    - run: npm run build --if-present
-    - run: npm test
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm test

.gitignore

@@ -2,3 +2,4 @@
 .DS_Store
 node_modules
 package-lock.json
+dist

.nvmrc

@@ -0,0 +1 @@
+18

.prettierrc

@@ -0,0 +1,6 @@
+{
+  "bracketSpacing": true,
+  "printWidth": 80,
+  "semi": true,
+  "singleQuote": true
+}

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.organizeImports": true
+  }
+}