Sage extension to render LaTeX

latex.ts

import { Message, MessageEmbed } from 'discord.js';
import moment from 'moment';
import fetch from 'node-fetch';
import { Command } from '@lib/types/Command';

export default class extends Command {

	description = 'Render some LaTeX as a PNG';
	usage = '[latex]';
	extendedHelp = 'Type whatever LaTeX you want.';
  latexAPI = 'https://latex.codecogs.com/gif.latex?\bg_white';

	async run(msg: Message, [latex]: string[]): Promise<Message> {
	  const url: string = `${latexAPI}${encodeURIComponent(}`;
		const result = await fetch(url);

		if (result.code !== 200) {
			return msg.channel.send(`Invalid LaTeX ${result.message}`);
		}
		
		return msg.channel.send({ embeds: [this.createImageEmbed(comic)] });
	}
	
	createImageEmbed(image: string, originalLatex: string): MessageEmbed {
		return new MessageEmbed()
			.setColor('GREYPLE')
			.setDescription(originalLatex)
			.setImage(image)
			.setTimestamp();
	}

}