43 lines
1.3 KiB
TypeScript
43 lines
1.3 KiB
TypeScript
// Copyright 2023 The Matrix.org Foundation C.I.C.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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import { useQuery } from "urql";
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import { graphql } from "../../gql";
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const CURRENT_VIEWER_SESSION_QUERY = graphql(/* GraphQL */ `
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query CurrentViewerSessionQuery {
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viewerSession {
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__typename
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... on BrowserSession {
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id
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}
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}
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}
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`);
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/**
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* Query the current browser session id
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* and unwrap the result
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* throws error when error result
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*/
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export const useCurrentBrowserSessionId = (): string | null => {
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const [result] = useQuery({ query: CURRENT_VIEWER_SESSION_QUERY });
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if (result.error) throw result.error;
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if (!result.data) throw new Error(); // Suspense mode is enabled
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return result.data.viewerSession.__typename === "BrowserSession"
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? result.data.viewerSession.id
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: null;
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};
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