tsconfig.json

{

  "compilerOptions": {
    /* Basic Options */
    "target": "es2016",
    "module": "ESNext",
    "pretty": true,
    "allowJs": true,
    "sourceMap": true,
    "declaration": true,
    
    "resolveJsonModule": true,
    "removeComments": false,
    "importHelpers": true,
    /* Strict Type-Checking Options */
    "strict": true,
    "noImplicitAny": false,
    "alwaysStrict": true,
    "strictNullChecks": false,
    /* Additional Checks */
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    /* Module Resolution Options */
    "moduleResolution": "node",
    "baseUrl": ".",
    "allowSyntheticDefaultImports": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    /* Experimental Options */
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "types": [
        "node",
        "jest"
    ],
    "plugins": [
      {
        "name": "typescript-tslint-plugin"
      }
    ],
    "lib": ["es2016", "esnext.asynciterable", "dom"],
    "outDir": "./lib/esm",
  },
  "include": [
    "./src", "types/global.d.ts"],
  "typeRoots": ["./node_modules/@types", "./types"],
  "exclude": ["node_modules", "lib"]
}