gulp.task('default', () => {
return gulp
.src('./build/*.html')
.pipe(replace('.js"></script>', '.js" inline></script>'))
.pipe(replace('rel="stylesheet">', 'rel="stylesheet" inline>'))
.pipe(
inlinesource({
compress: false,
ignore: ['png'],
})
)
.pipe(gulp.dest('./build'));
});
React came out with some new goodies in version 16.6. One of ‘em is memo. A higher order component that can be used as a performance optimiser. The memo part in React.memo is a derivative from…
const Child = ({ doSomething, value }) => (
<button onClick={() => doSomething(value)}>Click Me</button>
);
class Parent extends React.Component{
doSomething = value => {
console.log("doSomething called by child with value:", value);
}
render() {
const childrenWithProps = React.Children.map(this.props.children, child => {
// checking isValidElement is the safe way and avoids a typescript error too
if (React.isValidElement(child)) {
return React.cloneElement(child, { doSomething: this.doSomething });
}
return child;
});
return <div>{childrenWithProps}</div>;
}
}
function App() {
return (
<Parent>
<Child value={1} />
<Child value={2} />
</Parent>
);
}
ReactDOM.render(<App />, document.getElementById("container"));According to the official React documentation, componentDidMount is translated in hooks as:
useEffect(() => {
I have a string which needs to be downloaded in a txt file when click on a button. How can this be implemented using React?
This guide explains how to access previous props and states from within functional components in React by leveraging the useRef Hook.
I have a chat widget that pulls up an array of messages every time I scroll up. The problem I am facing now is the slider stays fixed at the top when messages load. I want it to focus on the last i...
Update SVG fill and stroke without the need of creating a react component for each image. Tagged with react, svg, color, change.
The difference between React PropTypes.oneOf and PropTypes.oneOfType
Learn how to render plain markdown into React components using the React Markdown Component.
This is an Express view engine which renders React components on server. It renders static markup and does not support mounting those views on the client. - reactjs/express-react-views
Learn how to create an app that records and removes information from a PostgreSQL database according to the HTTP requests it receives.