tsconfig.json

{
  "compilerOptions": {
    "outDir": "./build-sb",
    "target": "esnext",
    "esModuleInterop": true,
    "jsx": "preserve",
    "declaration": true,
    "declarationDir": "./types",
    "emitDeclarationOnly": false,
    "strictNullChecks": true,
    "strictPropertyInitialization": true,
    "strictFunctionTypes": true,
    "strictBindCallApply": true,
    "noImplicitThis": true,
    "skipLibCheck": true,
    "moduleResolution": "nodenext",
    "module": "nodenext",
    "typeRoots": ["./vendor-types"],
    "allowSyntheticDefaultImports": true,
    "baseUrl": ".",
    "rootDir": ".",
    "paths": {
      "@styled-components": ["src/utils/styled.js"]
    },
    "plugins": [
      { "transform": "typescript-transform-paths", "afterDeclarations": true }
    ]
  },
  "include": [
    "./src/**/*",
    "./spec/**/*"
  ],
  "exclude": [
    "./src/**/*.spec.*"
  ]
}