Vencord/src/plugins/unindent.ts

48 lines
1.7 KiB
TypeScript

import definePlugin from "../utils/types";
import { addPreSendListener, addPreEditListener, MessageObject, removePreSendListener, removePreEditListener } from '../api/MessageEvents';
export default definePlugin({
name: "Unindent",
description: "Trims leading indentation from codeblocks",
author: "Vendicated",
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);
}
});