tsconfig.json

{
  "compilerOptions": {
    "target": "es2018" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
    "lib": ["ES2018", "ESNext.AsyncIterable"] /* Specify library files to be included in the compilation. */,
    "outDir": "./dist",
    "baseUrl": ".",
    /* Strict Type-Checking Options */
    "skipLibCheck": true,
    "sourceMap": true,
    "declaration": true,
    "moduleResolution": "node",
    "strict": true,
    "removeComments": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "noImplicitThis": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "strictPropertyInitialization": false,
    "allowSyntheticDefaultImports": true,

    "esModuleInterop": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "resolveJsonModule": true,
    "paths": {
      "src/*": ["./src/*"]
    },
    "plugins": [
      { "transform": "typescript-transform-paths" },
      { "transform": "typescript-transform-paths", "afterDeclarations": true }
    ]
  },
  "include": ["*.d.ts", "./env.d.ts", "./src/**/*.ts"],
  "exclude": ["node_modules", "dist", "./src/**/*.test.ts"]
}