tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "incremental": true, /* Enable incremental compilation */
    "target": "es5", /* 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'. */
    "outDir": "dist",
    /* Strict Type-Checking Options */
    "strict": true, /* Enable all strict type-checking options. */
    "sourceMap": true,
    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "typeRoots": [
      "./node_modules/@types",
      "src/@types"
    ],
    "moduleResolution": "node",
    /* Advanced Options */
    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "types": ["mocha"]
  },
  "include": [
    "./src",
    "src/@types"
  ]
}