Port library to typescript and modernize tooling

* Copy not in operator from msironi
* Throw error when indexing using a number
* Add json function
* Update packages
* Conversion to typescript
* Use ESM instead of CommonJS
* Update linter
* Replace Rollup by Vite
* Replace Travis CI with GitHub Actions
* Optimize exports for tree-shaking
* Typechecking using tsgo
* Increase test coverage

Author: Sander-Toonen

.eslintrc.json

@@ -0,0 +1,76 @@
+name: CI
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18, 20, 22]
+        # Testing on LTS and current versions
+        # Note: Removed older versions (6-12) as they are EOL
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run lint
+      run: npm run lint
+
+    - name: Run type check
+      run: npm run type-check
+
+    - name: Run tests
+      run: npm test
+
+    - name: Run coverage
+      if: matrix.node-version == 20  # Only run coverage on Node 20
+      run: npm run coverage
+
+    - name: Upload coverage to Codecov
+      if: matrix.node-version == 20
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./coverage/lcov.info
+        fail_ci_if_error: false
+
+  build:
+    runs-on: ubuntu-latest
+    needs: test
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Build
+      run: npm run build
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: dist
+        path: dist/

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        registry-url: https://registry.npmjs.org/
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm test
+
+    - name: Build
+      run: npm run build
+
+    - name: Publish to npm
+      run: npm publish
+      env:
+        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/publish.yml

@@ -3,4 +3,9 @@ dist
 coverage
 .idea
 .nyc_output
-package-lock.json
+
+# TypeScript
+*.tsbuildinfo
+*.d.ts.map
+.tscache/
+

.gitignore

@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["src/*"]
+    }
+  },
+  "typescript.preferences.importModuleSpecifier": "relative",
+  "typescript.suggest.autoImports": true,
+  "typescript.preferences.includePackageJsonAutoImports": "auto",
+  "typescript.experimental.useTsgo": true,
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "files.eol": "\n",
+  "typescript.format.semicolons": "insert",
+  "typescript.format.insertSpaceAfterFunctionKeywordForAnonymousFunctions": true,
+  "typescript.format.insertSpaceBeforeFunctionParenthesis": false
+}