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packages/widget/src/components/TokenList/VirtualizedTokenList.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| import { TokenAmount } from '@lifi/sdk'; | ||
| import { List } from '@mui/material'; | ||
| import { useVirtualizer } from '@tanstack/react-virtual'; | ||
| import { FC, useEffect } from 'react'; | ||
| import { TokenListItem, TokenListItemSkeleton } from './TokenListItem'; | ||
| import { VirtualizedTokenListProps } from './types'; | ||
| import { skeletonKey } from './utils'; | ||
|
|
||
| export const VirtualizedTokenList: FC<VirtualizedTokenListProps> = ({ | ||
| tokens, | ||
| scrollElementRef, | ||
| onClick, | ||
| chainId, | ||
| isBalanceLoading, | ||
| showBalance, | ||
| }) => { | ||
| const { getVirtualItems, getTotalSize, scrollToIndex } = useVirtualizer({ | ||
| count: tokens.length, | ||
| getScrollElement: () => scrollElementRef.current, | ||
| overscan: 3, | ||
| paddingEnd: 12, | ||
| estimateSize: () => 64, | ||
| getItemKey: (index) => tokens[index].address ?? index, | ||
| }); | ||
|
|
||
| useEffect(() => { | ||
| scrollToIndex(0, { align: 'start', smoothScroll: false }); | ||
| }, [scrollToIndex, chainId]); | ||
|
|
||
| return ( | ||
| <List style={{ height: getTotalSize() }} disablePadding> | ||
| {getVirtualItems().map((item) => { | ||
| const token = tokens[item.index] as TokenAmount; | ||
| if (token.name.includes(skeletonKey)) { | ||
| return ( | ||
| <TokenListItemSkeleton | ||
| key={item.key} | ||
| size={item.size} | ||
| start={item.start} | ||
| /> | ||
| ); | ||
| } | ||
| return ( | ||
| <TokenListItem | ||
| key={item.key} | ||
| onClick={onClick} | ||
| size={item.size} | ||
| start={item.start} | ||
| token={token} | ||
| isBalanceLoading={isBalanceLoading} | ||
| showBalance={showBalance} | ||
| /> | ||
| ); | ||
| })} | ||
| </List> | ||
| ); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| import { ChainId, Token } from '@lifi/sdk'; | ||
| import { useQuery, useQueryClient } from '@tanstack/react-query'; | ||
| import { LiFi } from '../config/lifi'; | ||
|
|
||
| export const useTokenSearch = ( | ||
| token: string, | ||
| chainId: number, | ||
| enabled?: boolean, | ||
| ) => { | ||
| const queryClient = useQueryClient(); | ||
| const { data, isLoading, isFetching, isFetched } = useQuery( | ||
| ['token-search', chainId, token], | ||
| async ({ queryKey: [, chainId, token], signal }) => { | ||
| const data = await LiFi.getToken(chainId as ChainId, token as string, { | ||
| signal, | ||
| }); | ||
| if (data) { | ||
| queryClient.setQueryData(['tokens', chainId], (tokens?: Token[]) => { | ||
| if (!tokens?.some((token) => token.address === data.address)) { | ||
| tokens?.push(data); | ||
| } | ||
| return tokens; | ||
| }); | ||
| } | ||
| return data; | ||
| }, | ||
| { | ||
| enabled, | ||
| retry: false, | ||
| }, | ||
| ); | ||
| return { | ||
| token: data, | ||
| isLoading, | ||
| isFetching, | ||
| isFetched, | ||
| }; | ||
| }; |
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