d4caa1585b
React 18's strict mode intentionally mounts all components twice, which was causing Olm to get double-loaded. Also, it doesn't need to be loaded if the app is running as a widget.
29 lines
933 B
TypeScript
29 lines
933 B
TypeScript
/*
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Copyright 2022 New Vector Ltd
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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 Olm from "@matrix-org/olm";
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import olmWasmPath from "@matrix-org/olm/olm.wasm?url";
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// https://gitlab.matrix.org/matrix-org/olm/-/issues/10
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window.OLM_OPTIONS = {};
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let olmLoaded: Promise<void> | null = null;
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/**
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* Loads Olm, if not already loaded.
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*/
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export const loadOlm = (): Promise<void> =>
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(olmLoaded ??= Olm.init({ locateFile: () => olmWasmPath }));
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