be181d2c79
* Use mapped types around account data events --------- Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2020 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
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Please see LICENSE files in the repository root for full details.
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*/
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import { useCallback, useState } from "react";
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import { AccountDataEvents, ClientEvent, MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
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import { useTypedEventEmitter } from "./useEventEmitter";
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const tryGetContent = <T extends {}>(ev?: MatrixEvent): T | undefined => ev?.getContent<T>();
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// Hook to simplify listening to Matrix account data
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export const useAccountData = <T extends {}>(cli: MatrixClient, eventType: keyof AccountDataEvents): T => {
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const [value, setValue] = useState<T | undefined>(() => tryGetContent<T>(cli.getAccountData(eventType)));
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const handler = useCallback(
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(event: MatrixEvent) => {
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if (event.getType() !== eventType) return;
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setValue(event.getContent<T>());
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},
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[eventType],
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);
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useTypedEventEmitter(cli, ClientEvent.AccountData, handler);
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return value || ({} as T);
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};
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// Currently not used, commenting out otherwise the dead code CI is unhappy.
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// But this code is valid and probably will be needed.
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// export const useRoomAccountData = <T extends {}>(room: Room, eventType: string): T => {
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// const [value, setValue] = useState<T | undefined>(() => tryGetContent<T>(room.getAccountData(eventType)));
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// const handler = useCallback(
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// (event) => {
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// if (event.getType() !== eventType) return;
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// setValue(event.getContent());
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// },
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// [eventType],
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// );
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// useTypedEventEmitter(room, RoomEvent.AccountData, handler);
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// return value || ({} as T);
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// };
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