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Merge pull request #3344 from tloncorp/james/land-1691-groups-group-i…
…mage-broken-if-src-fails-to-load web/tlon: proper fallbacks for broken-src image avatars (groups, ships, clubs)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,33 +1,44 @@ | ||
| import produce from 'immer'; | ||
| import { useCallback } from 'react'; | ||
| import create from 'zustand'; | ||
| import { useCallback, useEffect, useState } from 'react'; | ||
|
|
||
| interface AvatarStore { | ||
| status: Record<string, boolean>; | ||
| loaded: (src: string) => void; | ||
| } | ||
| export function useAvatar(src: string) { | ||
| // This hook is used to load an image and determine if it has loaded | ||
| const [hasLoaded, setHasLoaded] = useState(false); | ||
|
|
||
| const useAvatarStore = create<AvatarStore>((set, get) => ({ | ||
| status: {}, | ||
| loaded: (src) => { | ||
| set( | ||
| produce((draft) => { | ||
| draft.status[src] = true; | ||
| }) | ||
| ); | ||
| }, | ||
| })); | ||
| const load = useCallback(() => { | ||
| // Create a new image object | ||
| const img = new Image(); | ||
|
|
||
| export function useAvatar(src: string) { | ||
| return useAvatarStore( | ||
| useCallback( | ||
| (store: AvatarStore) => ({ | ||
| hasLoaded: store.status[src] || false, | ||
| load: () => store.loaded(src), | ||
| }), | ||
| [src] | ||
| ) | ||
| ); | ||
| // Set the hasLoaded state based on the image load | ||
| img.onload = () => { | ||
| setHasLoaded(true); | ||
| }; | ||
|
|
||
| // Set the hasLoaded state to false if the image fails to load | ||
| img.onerror = () => { | ||
| setHasLoaded(false); | ||
| }; | ||
|
|
||
| // Set the src of the image to the src passed to the hook | ||
| img.src = src; | ||
|
|
||
| // If the src is not defined, set hasLoaded to false | ||
| if (!src) { | ||
| setHasLoaded(false); | ||
| } | ||
| }, [src]); | ||
|
|
||
| // Load the image when the component mounts | ||
| useEffect(() => { | ||
| load(); | ||
| }, [load]); | ||
|
|
||
| // Reset the hasLoaded state when the src changes | ||
| useEffect(() => { | ||
| setHasLoaded(false); | ||
| }, [src]); | ||
|
|
||
| // Return the hasLoaded state and the load function | ||
| return { hasLoaded, load }; | ||
| } | ||
|
|
||
| export default useAvatarStore; | ||
| export default useAvatar; |