tsconfig.json

{
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig.json to read more about this file */
    "module": "commonjs",
    "target": "es2015",
    "declaration": true,
    "outDir": "./dist",
    /* Basic Options */
    // "incremental": true,                         /* Enable incremental compilation */
    /* Concatenate and emit output to single file. */
    "types": ["node", "jest"],
    "strict": true /* Enable all strict type-checking options. */,
    /* Type declaration files to be included in compilation. */
    "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,

    "skipLibCheck": true /* Skip type checking of declaration files. */,
    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
    "resolveJsonModule": true
  },
  "include": ["src/**/*", "test/**/*"]
}