33 lines
1.3 KiB
TypeScript
33 lines
1.3 KiB
TypeScript
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/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { ClientEvent, ClientEventHandlerMap } from "matrix-js-sdk/src/matrix";
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import { SyncState } from "matrix-js-sdk/src/sync";
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/**
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* Creates a MatrixClient event listener function that can be used to get notified about reconnects.
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* @param callback The callback to be called on reconnect
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*/
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export const createReconnectedListener = (callback: () => void): ClientEventHandlerMap[ClientEvent.Sync] => {
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return (syncState: SyncState, prevState: SyncState) => {
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if (syncState !== SyncState.Error && prevState !== syncState) {
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// Consider the client reconnected if there is no error with syncing.
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// This means the state could be RECONNECTING, SYNCING, PREPARED or CATCHUP.
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callback();
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}
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};
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};
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