mirror of
https://github.com/zoriya/Kyoo.git
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99 lines
3.2 KiB
TypeScript
99 lines
3.2 KiB
TypeScript
/*
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* Kyoo - A portable and vast media library solution.
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* Copyright (c) Kyoo.
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*
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* See AUTHORS.md and LICENSE file in the project root for full license information.
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*
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* Kyoo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* Kyoo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Page, QueryIdentifier, useInfiniteFetch } from "@kyoo/models";
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import { useBreakpointMap, HR } from "@kyoo/primitives";
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import { FlashList } from "@shopify/flash-list";
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import { ComponentType, isValidElement, ReactElement, useRef } from "react";
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import { EmptyView, ErrorView, Layout, WithLoading } from "./fetch";
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export const InfiniteFetch = <Data, Props>({
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query,
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placeholderCount = 15,
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incremental = false,
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horizontal = false,
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children,
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layout,
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empty,
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divider = false,
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Header,
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headerProps,
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...props
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}: {
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query: QueryIdentifier<Data>;
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placeholderCount?: number;
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layout: Layout;
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horizontal?: boolean;
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children: (
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item: Data extends Page<infer Item> ? WithLoading<Item> : WithLoading<Data>,
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i: number,
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) => ReactElement | null;
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empty?: string | JSX.Element;
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incremental?: boolean;
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divider?: boolean | ComponentType;
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Header?: ComponentType<Props & { children: JSX.Element }> | ReactElement;
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headerProps?: Props
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}): JSX.Element | null => {
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if (!query.infinite) console.warn("A non infinite query was passed to an InfiniteFetch.");
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const { numColumns, size } = useBreakpointMap(layout);
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const oldItems = useRef<Data[] | undefined>();
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let { items, error, fetchNextPage, hasNextPage, refetch, isRefetching } = useInfiniteFetch(
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query,
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{
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useErrorBoundary: false,
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},
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);
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if (incremental && items) oldItems.current = items;
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if (error) return <ErrorView error={error} />;
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if (empty && items && items.length === 0) {
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if (typeof empty !== "string") return empty;
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return <EmptyView message={empty} />;
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}
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if (incremental)
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items ??= oldItems.current;
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const count = items ? numColumns - (items.length % numColumns) : placeholderCount;
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const placeholders = [...Array(count === 0 ? numColumns : count)].map(
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(_, i) => ({ id: `gen${i}`, isLoading: true } as Data),
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);
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// @ts-ignore
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if (headerProps && !isValidElement(Header)) Header = <Header {...headerProps} />
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return (
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<FlashList
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renderItem={({ item, index }) => children({ isLoading: false, ...item } as any, index)}
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data={hasNextPage !== false ? [...(items || []), ...placeholders] : items}
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horizontal={horizontal}
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keyExtractor={(item: any) => item.id?.toString()}
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numColumns={numColumns}
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estimatedItemSize={size}
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onEndReached={fetchNextPage}
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onEndReachedThreshold={0.5}
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onRefresh={refetch}
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refreshing={isRefetching}
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ItemSeparatorComponent={divider === true ? HR : divider || null}
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ListHeaderComponent={Header}
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{...props}
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/>
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);
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};
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