liberty-prettydiff/test/samples_raw/beautification_tsx.txt

Language aware code comparison tool for several web based languages. It also beautifies, minifies, and a few other things.

declare namespace JSX JSX {
  interface ElementClass {
    render: any;
  }
}

class MyComponent {
  render() {}
}
function MyFactoryFunction() {
  return { render: () => {} }
}

<MyComponent />; // ok
<MyFactoryFunction />; // ok

class NotAValidComponent {}
function NotAValidFactoryFunction() {
  return {};
}

<NotAValidComponent />; // error
<NotAValidFactoryFunction />; // error

class MyComponent {
  render() {}
}

// use a construct signature
var myComponent = new MyComponent();

function MyFactoryFunction() {
  return {
    render: () => {
    }
  }
}

// use a call signature
var myComponent = MyFactoryFunction();

declare namespace JSX {
  interface ElementAttributesProperty {
    props; // specify the property name to use
  }
}

class MyComponent {
  // specify the property on the element instance type
  props: {
    foo?: string;
  }
}

// element attributes type for 'MyComponent' is '{foo?: string}'
<MyComponent foo="bar" />;

declare namespace JSX {
  interface IntrinsicElements {
    foo: { requiredProp: string; optionalProp?: number }
  }
}

<foo requiredProp="bar" />; // ok
<foo requiredProp="bar" optionalProp={0} />; // ok
<foo />; // error, requiredProp is missing
<foo requiredProp={0} />; // error, requiredProp should be a string
<foo requiredProp="bar" unknownProp />; // error, unknownProp does not exist
<foo requiredProp="bar" some-unknown-prop />; // ok, because 'some-unknown-prop' is not a valid identifier

var a = <div>
  {["foo", "bar"].map(function (i) { return <span>{i / 2}</span> })}
</div>