xiao/commands/edit-meme/bart-chalkboard.js

const Command = require('../../framework/Command');
const { PermissionFlagsBits } = require('discord.js');
const { createCanvas, loadImage } = require('@napi-rs/canvas');
const path = require('path');
const { shortenText, fillTextWithBreaks } = require('../../util/Canvas');

module.exports = class LisaPresentationCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'bart-chalkboard',
			aliases: ['bart', 'bart-chalk', 'bart-board'],
			group: 'edit-meme',
			description: 'Sends a "Bart Chalkboard" meme with the text of your choice.',
			throttling: {
				usages: 2,
				duration: 10
			},
			clientPermissions: [PermissionFlagsBits.AttachFiles],
			credit: [
				{
					name: '20th Century Fox',
					url: 'https://www.foxmovies.com/',
					reason: 'Image, Original "The Simpsons" Show',
					reasonURL: 'http://www.simpsonsworld.com/'
				},
				{
					name: 'Jon Bernhardt',
					url: 'http://web.mit.edu/jonb/www/',
					reason: 'Akbar Font',
					reasonURL: 'https://www.wobblymusic.com/groening/akbar.html'
				}
			],
			args: [
				{
					key: 'text',
					type: 'string',
					max: 50
				}
			]
		});
	}

	async run(msg, { text }) {
		const base = await loadImage(
			path.join(__dirname, '..', '..', 'assets', 'images', 'bart-chalkboard', 'chalkboard.png')
		);
		const bart = await loadImage(path.join(__dirname, '..', '..', 'assets', 'images', 'bart-chalkboard', 'bart.png'));
		const canvas = createCanvas(base.width, base.height);
		const ctx = canvas.getContext('2d');
		ctx.drawImage(base, 0, 0);
		ctx.textBaseline = 'top';
		ctx.font = this.client.fonts.get('akbar.ttf').toCanvasString(19);
		ctx.fillStyle = 'white';
		const shortened = shortenText(ctx, text.toUpperCase(), 500);
		const len = ctx.measureText(shortened).width;
		const arr = [];
		for (let i = 0; i < 12; i++) arr.push(shortened);
		fillTextWithBreaks(ctx, arr.join('\n'), 30, 27);
		ctx.drawImage(bart, Math.min(522, 30 + len - 5), 142, 103, 212);
		return msg.say({ files: [{ attachment: canvas.toBuffer('image/png'), name: 'bart-chalkboard.png' }] });
	}
};