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/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2022 Vendicated and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { showNotification } from "@api/Notifications";
import { definePluginSettings } from "@api/Settings";
import { Devs } from "@utils/constants";
import { Logger } from "@utils/Logger";
import { closeAllModals } from "@utils/modal";
import definePlugin, { OptionType } from "@utils/types";
import { maybePromptToUpdate } from "@utils/updater";
import { FluxDispatcher, NavigationRouter } from "@webpack/common";
import type { ReactElement } from "react";
const CrashHandlerLogger = new Logger("CrashHandler");
const settings = definePluginSettings({
attemptToPreventCrashes: {
type: OptionType.BOOLEAN,
description: "Whether to attempt to prevent Discord crashes.",
default: true
},
attemptToNavigateToHome: {
type: OptionType.BOOLEAN,
description: "Whether to attempt to navigate to the home when preventing Discord crashes.",
default: false
}
});
let crashCount: number = 0;
let lastCrashTimestamp: number = 0;
let shouldAttemptNextHandle = false;
export default definePlugin({
name: "CrashHandler",
description: "Utility plugin for handling and possibly recovering from Crashes without a restart",
authors: [Devs.Nuckyz],
enabledByDefault: true,
popAllModals: undefined as (() => void) | undefined,
settings,
patches: [
{
find: ".Messages.ERRORS_UNEXPECTED_CRASH",
replacement: {
match: /(?=this\.setState\()/,
replace: "$self.handleCrash(this)||"
}
},
{
find: 'dispatch({type:"MODAL_POP_ALL"})',
replacement: {
match: /"MODAL_POP_ALL".+?};(?<=(\i)=function.+?)/,
replace: (m, popAll) => `${m}$self.popAllModals=${popAll};`
}
}
],
handleCrash(_this: ReactElement & { forceUpdate: () => void; }) {
if (Date.now() - lastCrashTimestamp <= 1_000 && !shouldAttemptNextHandle) return true;
shouldAttemptNextHandle = false;
if (++crashCount > 5) {
try {
showNotification({
color: "#eed202",
title: "Discord has crashed!",
body: "Awn :( Discord has crashed more than five times, not attempting to recover.",
noPersist: true,
});
} catch { }
lastCrashTimestamp = Date.now();
return false;
}
setTimeout(() => crashCount--, 60_000);
try {
if (crashCount === 1) maybePromptToUpdate("Uh oh, Discord has just crashed... but good news, there is a Vencord update available that might fix this issue! Would you like to update now?", true);
if (settings.store.attemptToPreventCrashes) {
this.handlePreventCrash(_this);
return true;
}
return false;
} catch (err) {
CrashHandlerLogger.error("Failed to handle crash", err);
return false;
} finally {
lastCrashTimestamp = Date.now();
}
},
handlePreventCrash(_this: ReactElement & { forceUpdate: () => void; }) {
if (Date.now() - lastCrashTimestamp >= 1_000) {
try {
showNotification({
color: "#eed202",
title: "Discord has crashed!",
body: "Attempting to recover...",
noPersist: true,
});
} catch { }
}
try {
FluxDispatcher.dispatch({ type: "CONTEXT_MENU_CLOSE" });
} catch (err) {
CrashHandlerLogger.debug("Failed to close open context menu.", err);
}
try {
this.popAllModals?.();
} catch (err) {
CrashHandlerLogger.debug("Failed to close old modals.", err);
}
try {
closeAllModals();
} catch (err) {
CrashHandlerLogger.debug("Failed to close all open modals.", err);
}
try {
FluxDispatcher.dispatch({ type: "USER_PROFILE_MODAL_CLOSE" });
} catch (err) {
CrashHandlerLogger.debug("Failed to close user popout.", err);
}
try {
FluxDispatcher.dispatch({ type: "LAYER_POP_ALL" });
} catch (err) {
CrashHandlerLogger.debug("Failed to pop all layers.", err);
}
if (settings.store.attemptToNavigateToHome) {
try {
NavigationRouter.transitionTo("/channels/@me");
} catch (err) {
CrashHandlerLogger.debug("Failed to navigate to home", err);
}
}
try {
shouldAttemptNextHandle = true;
_this.forceUpdate();
} catch (err) {
CrashHandlerLogger.debug("Failed to update crash handler component.", err);
}
}
});
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