tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "resolveJsonModule": true,
    "outDir": "out",
    "lib": [
      "es2020.string",
      "es6"
    ],
    "experimentalDecorators": true,
    "sourceMap": true,
    "rootDir": "src",
    "strict": false, /* enable all strict type-checking options */
    /* Additional Checks */
    // "noImplicitReturns": true, /* FixReport error when not all code paths in function return a value. */
    // "noFallthroughCasesInSwitch": true, /* FixReport errors for fallthrough cases in switch statement. */
    // "noUnusedParameters": true,  /* FixReport errors on unused parameters. */
    "baseUrl": ".",
    "declaration": true,
    "esModuleInterop": true
  },
  "exclude": [
    "node_modules",
    "out/**",
    ".idea/**",
    "tests/**/*.test.ts"
  ]
}