aboutsummaryrefslogtreecommitdiff
path: root/src/plugins/crashHandler.ts
blob: e35dfed6e09948375ea066d9d5b7d5dedb683103 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
 * 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;

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 (++crashCount > 5) {
            try {
                showNotification({
                    color: "#eed202",
                    title: "Discord has crashed!",
                    body: "Awn :( Discord has crashed more than five times, not attempting to recover.",
                });
            } catch { }

            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;
        }
    },

    handlePreventCrash(_this: ReactElement & { forceUpdate: () => void; }) {
        try {
            showNotification({
                color: "#eed202",
                title: "Discord has crashed!",
                body: "Attempting to recover...",
            });
        } 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 {
            _this.forceUpdate();
        } catch (err) {
            CrashHandlerLogger.debug("Failed to update crash handler component.", err);
        }
    }
});