tsconfig.json

{
  "compilerOptions": {
    "allowSyntheticDefaultImports": true,
    "baseUrl": "./src",
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "jsx": "react-jsx",
    "lib": ["dom", "dom.iterable", "esnext"],
    "module": "esnext",
    "moduleResolution": "node",
    "noEmit": true,
    "noFallthroughCasesInSwitch": true,
    "paths": {
      "client": ["./client"],
      "client/*": ["./client/*"],
      "common": ["./common"],
      "common/*": ["./common/*"],
      "server": ["./server"],
      "server/*": ["./server/*"]
    },
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "strict": true,
    "target": "es5"
  },
  "exclude": ["*.test.ts", "*.test.tsx", "**/*.test.ts", "**/*.test.tsx"],
  "include": ["src"],
  "ts-node": {
    "compilerOptions": {
      "esModuleInterop": true,
      "module": "commonjs",
      "resolveJsonModule": true,
      "skipLibCheck": true,
      "strict": true,
      "target": "es2016"
    }
  }
}