tsconfig.json

{
  "compilerOptions": {
                       "types": ["node", "jest"],
                       "allowJs": true,
                       "skipLibCheck": true,
                       "target": "ES6",
                       "module": "ESNext",
                       "esModuleInterop": true,
                       "resolveJsonModule": true,
                       "moduleResolution": "Node",
                       "rootDir": "./src",
                       "outDir": "build",
                       "sourceMap": true,
                       "strictNullChecks": true,
                       "allowSyntheticDefaultImports": true,
                       "forceConsistentCasingInFileNames": true,
                       "declaration": true
                     },
  "ts-node":{
    "esm":true, 
    "experimentalSpecifierResolution": "node",
   
  },
  "include": [
    ".ts",
    "src/**/*.ts"
  ],
}