Rewrite Image component as function component (#24893)

pull/62/head
たいち ひ 2023-05-08 18:12:44 +09:00 committed by GitHub
parent 490ccbf40b
commit a65d2d1045
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2 changed files with 27 additions and 33 deletions

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@ -1,33 +0,0 @@
import React from 'react';
import PropTypes from 'prop-types';
import Blurhash from './blurhash';
import classNames from 'classnames';
export default class Image extends React.PureComponent {
static propTypes = {
src: PropTypes.string,
srcSet: PropTypes.string,
blurhash: PropTypes.string,
className: PropTypes.string,
};
state = {
loaded: false,
};
handleLoad = () => this.setState({ loaded: true });
render () {
const { src, srcSet, blurhash, className } = this.props;
const { loaded } = this.state;
return (
<div className={classNames('image', { loaded }, className)} role='presentation'>
{blurhash && <Blurhash hash={blurhash} className='image__preview' />}
<img src={src} srcSet={srcSet} alt='' onLoad={this.handleLoad} />
</div>
);
}
}

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import React, { useCallback, useState } from 'react';
import Blurhash from './blurhash';
import classNames from 'classnames';
type Props = {
src: string;
srcSet?: string;
blurhash?: string;
className?: string;
}
export const Image: React.FC<Props> = ({ src, srcSet, blurhash, className }) => {
const [loaded, setLoaded] = useState(false);
const handleLoad = useCallback(() => {
setLoaded(true);
}, [setLoaded]);
return (
<div className={classNames('image', { loaded }, className)} role='presentation'>
{blurhash && <Blurhash hash={blurhash} className='image__preview' />}
<img src={src} srcSet={srcSet} alt='' onLoad={handleLoad} />
</div>
);
};
export default Image;