Vencord/src/plugins/unindent.ts
2022-10-22 18:18:41 +02:00

67 lines
2.6 KiB
TypeScript

/*
* 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 { addPreEditListener, addPreSendListener, MessageObject, removePreEditListener,removePreSendListener } from "../api/MessageEvents";
import { Devs } from "../utils/constants";
import definePlugin from "../utils/types";
export default definePlugin({
name: "Unindent",
description: "Trims leading indentation from codeblocks",
authors: [Devs.Ven],
dependencies: ["MessageEventsAPI"],
patches: [
{
find: "inQuote:",
replacement: {
match: /,content:([^,]+),inQuote/,
replace: (_, content) => `,content:Vencord.Plugins.plugins.Unindent.unindent(${content}),inQuote`
}
}
],
unindent(str: string) {
// Users cannot send tabs, they get converted to spaces. However, a bot may send tabs, so convert them to 4 spaces first
str = str.replace(/\t/g, " ");
const minIndent = str.match(/^ *(?=\S)/gm)
?.reduce((prev, curr) => Math.min(prev, curr.length), Infinity) ?? 0;
if (!minIndent) return str;
return str.replace(new RegExp(`^ {${minIndent}}`, "gm"), "");
},
unindentMsg(msg: MessageObject) {
msg.content = msg.content.replace(/```(.|\n)*?```/g, m => {
const lines = m.split("\n");
if (lines.length < 2) return m; // Do not affect inline codeblocks
let suffix = "";
if (lines[lines.length - 1] === "```") suffix = lines.pop()!;
return `${lines[0]}\n${this.unindent(lines.slice(1).join("\n"))}\n${suffix}`;
});
},
start() {
this.preSend = addPreSendListener((_, msg) => this.unindentMsg(msg));
this.preEdit = addPreEditListener((_cid, _mid, msg) => this.unindentMsg(msg));
},
stop() {
removePreSendListener(this.preSend);
removePreEditListener(this.preEdit);
}
});