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d72dedb0ce
This adds very basic cache (literally just a `Map` for now) to store room alias to room ID mappings. The improves the perceived performance of Riot when switching rooms via browser navigation (back / forward), as we no longer try to resolve the room alias every time. The cache is only in memory, so reloading manually or as part of the clear cache process will start afresh. Fixes https://github.com/vector-im/riot-web/issues/10020
35 lines
1.2 KiB
JavaScript
35 lines
1.2 KiB
JavaScript
/*
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Copyright 2019 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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/**
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* This is meant to be a cache of room alias to room ID so that moving between
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* rooms happens smoothly (for example using browser back / forward buttons).
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*
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* For the moment, it's in memory only and so only applies for the current
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* session for simplicity, but could be extended further in the future.
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*
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* A similar thing could also be achieved via `pushState` with a state object,
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* but keeping it separate like this seems easier in case we do want to extend.
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*/
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const aliasToIDMap = new Map();
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export function storeRoomAliasInCache(alias, id) {
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aliasToIDMap.set(alias, id);
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}
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export function getCachedRoomIDForAlias(alias) {
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return aliasToIDMap.get(alias);
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}
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