lbry-desktop/ui/component/loginGraphic/index.jsx
infinite-persistence fae90c4ba1
i18n update
- Screen readers will announce an <img> tag as that, so no need to say "image" again in the `alt` text.
2021-06-07 09:15:55 +08:00

40 lines
1.2 KiB
JavaScript

// @flow
import React from 'react';
import { SITE_NAME, LOGIN_IMG_URL } from 'config';
import { getThumbnailCdnUrl } from 'util/thumbnail';
function LoginGraphic(props: any) {
const [error, setError] = React.useState(false);
const [src, setSrc] = React.useState('---');
const containerRef = React.useRef<any>();
const imgUrl = LOGIN_IMG_URL;
React.useEffect(() => {
if (containerRef.current && containerRef.current.parentElement && containerRef.current.parentElement.offsetWidth) {
const newWidth = containerRef.current.parentElement.offsetWidth;
let newSrc = imgUrl && imgUrl.trim().replace(/^http:\/\//i, 'https://');
// @if TARGET='web'
// Pass image urls through a compression proxy, except for GIFs.
newSrc = getThumbnailCdnUrl({ thumbnail: newSrc, width: newWidth, height: newWidth * 2 });
// @endif
setSrc(newSrc);
} else {
setSrc(imgUrl);
}
}, []);
if (error || !imgUrl) {
return null;
}
return (
<div className="signup-image" ref={containerRef}>
<img alt={__('%SITE_NAME% login', { SITE_NAME })} src={src} onError={() => setError(true)} />
</div>
);
}
export default LoginGraphic;