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ChannelThumbnail: use 1x1 transparent image as starting point instead of 'undefined'.

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## Issue
6135

While waiting for the lazy-loader IntersectionObserver to initialize, and for the real image to be fetched, an undefined `src` results in the "broken image" thumbnail.

## Fix
Use a transparent image as the starting point. This visually retains the current behavior but minus the "broken image" part.
This commit is contained in:
infinite-persistence 2021-06-01 19:12:08 +08:00 committed by infinite-persistence
parent b90066b3f5
commit dec38e1770
2 changed files with 3 additions and 0 deletions
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ui/component/channelThumbnail/transparent_1x1.png Normal file
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3
ui/component/channelThumbnail/view.jsx
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@ -3,6 +3,7 @@ import React from 'react';
import { parseURI } from 'lbry-redux';
import classnames from 'classnames';
import Gerbil from './gerbil.png';
import Transparent from './transparent_1x1.png';
import FreezeframeWrapper from 'component/fileThumbnail/FreezeframeWrapper';
import ChannelStakedIndicator from 'component/channelStakedIndicator';
import { getThumbnailCdnUrl } from 'util/thumbnail';
@ -100,6 +101,7 @@ function ChannelThumbnail(props: Props) {
alt={__('Channel profile picture')}
className="channel-thumbnail__default"
data-src={!thumbError && url ? url : Gerbil}
src={Transparent}
onError={() => setThumbError(true)} // if thumb fails (including due to https replace, show gerbil.
/>
)}
@ -113,6 +115,7 @@ function ChannelThumbnail(props: Props) {
alt={__('Channel profile picture')}
className="channel-thumbnail__custom"
data-src={!thumbError && url ? url : Gerbil}
src={Transparent}
onError={() => setThumbError(true)} // if thumb fails (including due to https replace, show gerbil.
/>
)}