mirror of https://github.com/vector-im/riot-web
47 lines
1.9 KiB
TypeScript
47 lines
1.9 KiB
TypeScript
/*
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Copyright 2021 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 code will be autoremoved on production builds.
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* The purpose of this code is that the webpack's `string-replace-loader`
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* pretty much search for this string in this specific file and replaces it
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* like a macro before any previous compilations, which allows us to inject
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* some css requires statements that are specific to the themes we have turned
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* on by ourselves. Without that very specific workaround, webpack would just
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* import all the CSSes, which would make the whole thing useless, as on my
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* machine with i9 the recompilation for all themes turned ou would take way
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* over 30s, which is definitely too high for nice css reloads speed.
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*
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* For more details, see webpack.config.js:184 (string-replace-loader)
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*/
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if (process.env.NODE_ENV === 'development') {
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("use theming");
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/**
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* Clean up old hot-module script injections as they hog up memory
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* and anything other than the newest one is really not needed at all.
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* We don't need to do it more frequently than every half a minute or so,
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* but it's done to delay full page reload due to app slowness.
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*/
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setInterval(() => {
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const elements = Array.from(document.querySelectorAll("script[src*=hot-update]"));
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if (elements.length > 1) {
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const oldInjects = elements.slice(0, elements.length - 1);
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oldInjects.forEach(e => e.remove());
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}
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}, 1000);
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}
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