tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "allowJs": false,
    // "strict": true,
    "allowSyntheticDefaultImports": true,
    // "declaration": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "downlevelIteration": true,
    // https://github.com/angular/angular-cli/issues/13886#issuecomment-471927518
    "importHelpers": true,
    "moduleResolution": "node",
    "noFallthroughCasesInSwitch": true,
    "noUnusedLocals": true,
    // "sourceMap": true,
    // "esModuleInterop": true,
    "baseUrl": "./",
    /* Basic Options */
    "module": "commonjs",
    // "module": "esnext",
    "lib": ["es2020", "es2015", "dom", "es5", "scripthost"],
    "emitDecoratorMetadata": true,
    "typeRoots": ["node_modules/@types"],
    // "lib": ["es2018", "dom"],
    "target": "ES5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', or 'ESNEXT'. */,
    "declaration": true /* Generates corresponding '.d.ts' file. */,
    "sourceMap": false /* Generates corresponding '.map' file. */,
    "outDir": "lib" /* Redirect output structure to the directory. */,
    "rootDir": "src" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
    "removeComments": false /* Do not emit comments to output. */,
    /* Strict Type-Checking Options */
    "strict": true /* Enable all strict type-checking options. */,
    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
    "paths": {
      "*": ["src/entrypoints/*"],
      "tslib": ["node_modules/tslib/tslib.d.ts"]
    }
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "src/__tests__/**/**/*.ts"]
}