tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",
    "module": "esnext",
    "moduleResolution": "node",
    "lib": [
      "es2017",
      "dom",
      "dom.iterable"
    ],
    "noEmit": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "strict": true,
    "noImplicitAny": false,
    "skipLibCheck": true,
    "resolveJsonModule": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "typeRoots": ["./src/types/custom", "node_modules/@types"]
  },
  "include": ["./src"]
}