9 examples of 'how to comment in react js' in JavaScript

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10function renderToString(Component, props) {
11 return ReactDOMServer
12 .renderToString(React.createElement(Component, props))
13 .replace(REACT_ATTR_REGEX, '');
14}
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7function extractTextFromReactComponents(component) {
8 if (component === null || component === undefined) {
9 return '';
10 }
11 if (typeof component === 'string') {
12 return component;
13 } else if (!component.props || !component.props.children) {
14 return '';
15 }
16 return '' + React.Children.toArray(component.props.children)
17 .map(child => extractTextFromReactComponents(child)).join(' ');
18}
204function logProps(Component) {
205 class LogProps extends React.Component {
206 static foo = 'foo';
207 static render = 'bar';
208 render() {
209 const {forwardedRef, ...rest} = this.props;
210 return <Component ref={forwardedRef} {...rest} foo='foo' bar='bar' />;
211 }
212 }
213 const ForwardedComponent = React.forwardRef((props, ref) => {
214 return <LogProps {...props} forwardedRef={ref} />;
215 });
216
217 hoistNonReactStatics(ForwardedComponent, LogProps);
218
219 return ForwardedComponent;
220}
3function HelloWorld(props){
4 return (
5 React.createElement('div', null, 'Hello World')
6 );
7}
68function TestComponent() {
69 const TestToken = createToken('test');
70 useService(TestToken.optional);
71 didRender = true;
72 return React.createElement('div', null, 'hello');
73}
36renderReact() {
37 ReactDOM.render(
38 React.createElement(this.reactClass, this._props),
39 this.ref.nativeElement);
40}
189static getDerivedStateFromProps(props, state) {
190 let updatedState = {
191 createPostErrorId: props.createPostErrorId,
192 rootId: props.rootId,
193 messageInHistory: props.messageInHistory,
194 draft: state.draft || {...props.draft, caretPosition: props.draft.message.length, uploadsInProgress: []},
195 };
196
197 const rootChanged = props.rootId !== state.rootId;
198 const messageInHistoryChanged = props.messageInHistory !== state.messageInHistory;
199 if (rootChanged || messageInHistoryChanged) {
200 updatedState = {...updatedState, draft: {...props.draft, uploadsInProgress: rootChanged ? [] : props.draft.uploadsInProgress}};
201 }
202
203 if (props.createPostErrorId === 'api.post.create_post.root_id.app_error' && props.createPostErrorId !== state.createPostErrorId) {
204 updatedState = {...updatedState, showPostDeletedModal: true};
205 }
206
207 return updatedState;
208}
107function Comment(props: any) {
108 return (
109 <div className="Comment">
110 <UserInfo user={props.author} />
111 <div className="Comment-text">{props.text}</div>
112 <div className="Comment-date">
113 {formatDate(props.date)}
114 </div>
115 </div>
116 )
117}
5export function render(component, props, ...children) {
6 return TestUtils.renderIntoDocument(
7 React.createElement(component, props, ...children)
8 );
9}

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