tsconfig.json

{
  "compilerOptions": {
    "outDir": "dist",
    "module": "commonjs",
    "target": "es5",
    "lib": ["dom", "es2015", "es2016", "es2017", "es2018", "esnext"],
    "sourceMap": true,
    "allowJs": true,
    "jsx": "react",
    "moduleResolution": "node",
    "baseUrl": "src",
    "typeRoots": ["node_modules/@types", "@types"],
    "forceConsistentCasingInFileNames": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "suppressImplicitAnyIndexErrors": true,
    //"noUnusedLocals": true,
    "noUnusedParameters": false,
    "experimentalDecorators": true,
    "downlevelIteration": true,
    "plugins": [{ "name": "typescript-styled-plugin" }]
  },
  "exclude": [
    "node_modules",
    "build",
    "scripts",
    "acceptance-tests",
    "webpack",
    "jest"
  ]
}