48 lines
1.6 KiB
TypeScript
Executable File
48 lines
1.6 KiB
TypeScript
Executable File
import { SafeUser } from '~/types';
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export default function parseBody(body: string, participants: SafeUser[]) {
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body = escape(body);
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const rules = [
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//bold, italics and paragraph rules
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[/**\s?([^\n]+)**/g, '<b>$1</b>'],
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[/*\s?([^\n]+)*/g, '<i>$1</i>'],
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[/__\s?([^\n]+)__/g, '<u>$1</u>'],
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[/~~\s?([^\n]+)~~/g, '<s>$1</s>'],
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// code lines and blocks
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[/```(.+?)```/g, '<pre class=\'codeblock\'><code>$1</code></pre>'],
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[/(?<!`)`(.+?)`(?!`)/g, '<code class=\'inline-code\'>$1</code>'],
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];
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rules.forEach(([rule, template]) => {
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if (!rule || !template || typeof template !== 'string') throw new Error('Rule or template is undefined or a regexp (how the actual)');
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body = body.replace(rule, template);
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});
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/*
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* Matches string in the format of: <@[cuid]>
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* for example: "<@clfhiwt920003fb4jd5dbo2sy>", "<@clfhiwiah0000fb4jenr3j6l1>", and "<@clfhizvyt000nfb4j16kjnell>" would all be matched
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*/
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const mentionRegex = /<@(([a-z]|[0-9]){25})>/g;
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const mentions = body.match(mentionRegex);
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if (mentions) {
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if (!participants) throw new Error('participants in channel not found');
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mentions.forEach((e: string) => {
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const id = e.split('<@')[1]?.split('>')[0];
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if (!id) return;
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const user = participants.find((e) => e.id === id);
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if (!user) return;
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body = body.split(e).join(`@${user.username}`);
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});
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}
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return body;
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}
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function escape(s: string) {
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return s.replace(
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/[^0-9A-Za-z ]/g,
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c => '&#' + c.charCodeAt(0) + ';'
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);
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} |