// @filename: file.tsx // @jsx: preserve // @noLib: true // @skipLibCheck: true // @libFiles: react.d.ts,lib.d.ts import React = require('react'); interface ButtonProp { a: number, b: string, children: Button; } class Button extends React.Component { render() { let condition: boolean; if (condition) { return } else { return (
Hello World
); } } } interface InnerButtonProp { a: number } class InnerButton extends React.Component { render() { return (); } }