ReactErrorDecoder

index.ts

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src/plugins/reactErrorDecoder/index.ts

1/*

2 * FiveCord — a Discord client mod

4 * SPDX-License-Identifier: GPL-3.0-or-later

5 */

7import { Devs } from "@utils/constants";

8import definePlugin from "@utils/types";

9import { React } from "@webpack/common";

11let ERROR_CODES: Record<string, string> | undefined;

13export default definePlugin({

14 name: "ReactErrorDecoder",

15 description: 'Replaces "Minified React Error" with the actual error.',

16 tags: ["Developers"],

17 authors: [Devs.Cyn, Devs.maisymoe],

18 patches: [

19 {

20 find: "React has blocked a javascript: URL as a security precaution.",

21 replacement: {

22 match: /"https:\/\/react.dev\/errors\/"\+\i;/,

                replace: "$&const vcDecodedError=$self.decodeError(...arguments);if(vcDecodedError)return vcDecodedError;"

24 }

25 }

26 ],

28 async start() {

        const CODES_URL = `https:class="ts-cmt">//raw.githubusercontent.com/facebook/react/v${React.version}/scripts/error-codes/codes.json`;

31 ERROR_CODES = await fetch(CODES_URL)

32 .then(res => res.json())

33 .catch(e => console.error("[ReactErrorDecoder] Failed to fetch React error codes\n", e));

34 },

36 stop() {

37 ERROR_CODES = undefined;

38 },

40 decodeError(code: number, ...args: any) {

41 let index = 0;

42 return ERROR_CODES?.[code]?.replace(/%s/g, () => {

43 const arg = args[index];

44 index++;

45 return arg;

46 });

47 }

48});

/*
 * FiveCord — a Discord client mod
 * Copyright (c) 2025 FiveCord
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

import { Devs } from "@utils/constants";
import definePlugin from "@utils/types";
import { React } from "@webpack/common";

let ERROR_CODES: Record<string, string> | undefined;

export default definePlugin({
    name: "ReactErrorDecoder",
    description: 'Replaces "Minified React Error" with the actual error.',
    tags: ["Developers"],
    authors: [Devs.Cyn, Devs.maisymoe],
    patches: [
        {
            find: "React has blocked a javascript: URL as a security precaution.",
            replacement: {
                match: /"https:\/\/react.dev\/errors\/"\+\i;/,
                replace: "$&const vcDecodedError=$self.decodeError(...arguments);if(vcDecodedError)return vcDecodedError;"
            }
        }
    ],

    async start() {
        const CODES_URL = `https://raw.githubusercontent.com/facebook/react/v${React.version}/scripts/error-codes/codes.json`;

        ERROR_CODES = await fetch(CODES_URL)
            .then(res => res.json())
            .catch(e => console.error("[ReactErrorDecoder] Failed to fetch React error codes\n", e));
    },

    stop() {
        ERROR_CODES = undefined;
    },

    decodeError(code: number, ...args: any) {
        let index = 0;
        return ERROR_CODES?.[code]?.replace(/%s/g, () => {
            const arg = args[index];
            index++;
            return arg;
        });
    }
});

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