tsconfig.json

{
  "compilerOptions": {
    /* Language and Environment */
    "target": "es2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
    "jsx": "react" /* Specify what JSX code is generated. */,

    /* Modules */
    "module": "ESNext" /* Specify what module code is generated. */,
    "moduleResolution": "node" /* Specify how TypeScript looks up a file from a given module specifier. */,

    /* Emit */
    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
    "emitDeclarationOnly": true /* Only output d.ts files and not JavaScript files. */,
    "sourceMap": true /* Create source map files for emitted JavaScript files. */,
    "outDir": "dist" /* Specify an output folder for all emitted files. */,
    "declarationDir": "types" /* Specify the output directory for generated declaration files. */,

    /* Interop Constraints */
    "allowSyntheticDefaultImports": true /* Allow 'import x from y' when a module doesn't have a default export. */,
    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables `allowSyntheticDefaultImports` for type compatibility. */,
    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,

    /* Type Checking */
    "strict": true /* Enable all strict type-checking options. */,

    /* Completeness */
    "skipLibCheck": true /* Skip type checking all .d.ts files. */
  },

  "include": [
    "src/**/*.ts" /* Include all .ts files in the project. */,
    "src/**/*.tsx" /* Include all .tsx files in the project. */,
    "rollup.config.js", // yep needed these here for now :D
    "jest.config.js",
    "src/setupTests.js"
  ]
}