Port to TypeScript

.eslintignore

@@ -0,0 +1,4 @@
+/node_modules/
+/dist/
+/dev/
+/test/

.eslintrc.json

@@ -0,0 +1,20 @@
+{
+  "root": true,
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "project": "./tsconfig.json"
+  },
+  "plugins": ["@typescript-eslint"],
+  "rules": {
+    "eqeqeq": 2,
+    "no-duplicate-imports": "error",
+    "indent": ["error", 2, { "SwitchCase": 1 }],
+    "linebreak-style": ["error", "unix"],
+    "quotes": ["error", "single"],
+    "semi": ["error", "never"]
+  },
+  "env": {
+    "node": true
+  }
+}

.gitattributes

@@ -1,2 +1,3 @@
 * text=auto eol=lf
 *.[hH][eE][iI][cC] linguist-detectable=false
+/dist/* -diff linguist-generated=true

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
   push:
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   test:
@@ -18,16 +18,25 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm install
+      - run: npm ci
+      - run: npm build --if-present
       - run: npm test
       - run: npm pack --dry-run
+      - uses: actions/upload-artifact@v4
+        if: ${{ matrix.node-version == 16 }}
+        with:
+          name: build
+          path: dist
 
   publish:
     needs: test
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags/') && github.event_name != 'pull_request'
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: build
       - uses: actions/setup-node@v4
         with:
           node-version: 16

.gitignore

@@ -1,2 +1,4 @@
 /test/test.jpg
 /node_modules/
+/dev/
+/dist/

.npmignore

@@ -2,3 +2,6 @@
 /test/
 /package-lock.json
 /.*
+/src/
+/dev/
+/tsconfig.json

.prettierignore

@@ -0,0 +1,4 @@
+/node_modules/
+/dist/
+/dev/
+/test/

.prettierrc

@@ -1,6 +1,10 @@
 {
-    "printWidth": 140,
-    "singleQuote": true,
-    "semi": true,
-    "useTabs": false
+  "semi": false,
+  "singleQuote": true,
+  "singleAttributePerLine": true,
+  "trailingComma": "es5",
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "printWidth": 140,
+  "endOfLine": "lf"
 }

.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+  "files.eol": "\n",
+  "editor.formatOnPaste": false,
+  "editor.formatOnSave": true,
+  "editor.formatOnType": false,
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "never",
+    "source.fixAll.format": "never"
+  },
+  "typescript.tsdk": "./node_modules/typescript/lib"
+}