tsconfig.json

{
  "compilerOptions": {
    "esModuleInterop": true,
    "removeComments": true,
    "target": "es5",
    "jsx": "react-jsx",
    "jsxImportSource": "@emotion/react",
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "importHelpers": true,
    "noFallthroughCasesInSwitch": true,
    "lib": [
      "dom",
      "es2015",
      "es2015.promise",
      "es5",
      "scripthost",
      "es2015.collection",
      "es2015.symbol",
      "es2015.iterable"
    ],
    "types": ["react", "jest"]
  },
  "include": [
    "bin"
  ]
}