tsconfig.json

{
    "compilerOptions": {
        "target": "es2017",
        "module": "commonjs",
        "lib": ["dom", "es6", "es2017", "esnext.asynciterable"],
        "skipLibCheck": true,
        "sourceMap": true,
        "outDir": "./build",
        "rootDir": "./src",
        "moduleResolution": "node",
        "removeComments": true,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "strictFunctionTypes": true,
        "noImplicitThis": true,
        "noUnusedLocals": true,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        "allowSyntheticDefaultImports": true,
        "esModuleInterop": true,
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "resolveJsonModule": true,
        "baseUrl": "./src",
        "typeRoots": ["@types", "./node_modules/@types"]
    },
    "exclude": ["node_modules"],
    "include": ["./src/**/*.ts", "./src/**/*.d.ts", "src/db/mongo/index.helper.ts"]
}