tsconfig.json

{
  "compilerOptions": {
    "types": [
      "mocha",
      "node"
    ],
    "incremental": true, /* Enable incremental compilation */
    "target": "ES2019", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "declaration": true, /* Generates corresponding '.d.ts' file. */
    "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
    "sourceMap": true, /* Generates corresponding '.map' file. */
    "outDir": "./", /* Redirect output structure to the directory. */
    "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "tsBuildInfoFile": "./.tsbuildinfo", /* Specify file to store incremental compilation information */
    "strict": true, /* Enable all strict type-checking options. */
    "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
    "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
  },
  "exclude": [],
  "include": [
    "./**/*"
  ]
}