tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "allowSyntheticDefaultImports": true,
    "allowUnreachableCode": false,
    "baseUrl": "src",
    "downlevelIteration": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "jsx": "react",
    "lib": [
      "DOM",
      "DOM.Iterable",
      "ES2015.Iterable",
      "ES2018.AsyncIterable",
      "ES2015",
      "ES2017",
      "ES2018",
      "ES2019",
      "ES6",
      "ESNext"
    ],
    "module": "esnext",
    "moduleResolution": "Node",
    "noFallthroughCasesInSwitch": true,
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": false,
    "pretty": true,
    "sourceMap": true,
    "skipLibCheck": true,
    "strict": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    "target": "es2017",
    "types": [
      "jest",
      "node",
      "webpack-env",
      "./typings/globals",
      "./typings/styled",
      "./typings/svg"
    ],
    "paths": {},
    "plugins": [
      {
        "name": "typescript-styled-plugin",
        "tags": ["styled", "css", "createGlobalStyle"]
      }
    ],
    "declaration": true,
    "emitDeclarationOnly": true
  },
  "exclude": ["build", "scripts", "acceptance-tests", "webpack", "jest", "razzle.config.js"]
}