afe4fee3f3
## Ticket 5457 Create file thumbnail fallback image for odysee ## Approach Since `background-image` does not invoke an `onerror` event, create a test Image instance to have the `onerror` capability. This technique is used by majority of plugins. No additional fetch is seen with this technique.
77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
// @flow
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import type { Node } from 'react';
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import { getThumbnailCdnUrl } from 'util/thumbnail';
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import React from 'react';
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import FreezeframeWrapper from './FreezeframeWrapper';
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import Placeholder from './placeholder.png';
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import { MISSING_THUMB_DEFAULT } from 'config';
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import classnames from 'classnames';
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import Thumb from './thumb';
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type Props = {
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uri: string,
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thumbnail: ?string, // externally sourced image
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children?: Node,
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allowGifs: boolean,
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claim: ?StreamClaim,
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doResolveUri: (string) => void,
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className?: string,
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};
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function FileThumbnail(props: Props) {
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const { claim, uri, doResolveUri, thumbnail: rawThumbnail, children, allowGifs = false, className } = props;
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const passedThumbnail = rawThumbnail && rawThumbnail.trim().replace(/^http:\/\//i, 'https://');
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const thumbnailFromClaim =
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uri && claim && claim.value && claim.value.thumbnail ? claim.value.thumbnail.url : undefined;
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const thumbnail = passedThumbnail || thumbnailFromClaim;
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const hasResolvedClaim = claim !== undefined;
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const isGif = thumbnail && thumbnail.endsWith('gif');
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React.useEffect(() => {
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if (!hasResolvedClaim && uri) {
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doResolveUri(uri);
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}
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}, [hasResolvedClaim, uri, doResolveUri]);
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if (!allowGifs && isGif) {
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return (
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<FreezeframeWrapper src={thumbnail} className={classnames('media__thumb', className)}>
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{children}
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</FreezeframeWrapper>
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);
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}
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const fallback = MISSING_THUMB_DEFAULT ? getThumbnailCdnUrl({ thumbnail: MISSING_THUMB_DEFAULT }) : undefined;
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let url = thumbnail || (hasResolvedClaim ? Placeholder : '');
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// @if TARGET='web'
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// Pass image urls through a compression proxy
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if (thumbnail && !(isGif && allowGifs)) {
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url = getThumbnailCdnUrl({ thumbnail });
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}
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// @endif
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const thumbnailUrl = url ? url.replace(/'/g, "\\'") : '';
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if (hasResolvedClaim || thumbnailUrl) {
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return (
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<Thumb thumb={thumbnailUrl} fallback={fallback} className={className}>
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{children}
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</Thumb>
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);
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}
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return (
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<div
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className={classnames('media__thumb', className, {
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'media__thumb--resolving': !hasResolvedClaim,
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})}
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>
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{children}
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</div>
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);
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}
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export default FileThumbnail;
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