Update Font system

structures/fonts/Font.js

@@ -0,0 +1,46 @@
+const { registerFont } = require('canvas');
+const weights = {
+	100: 'thin',
+	200: 'extraLight',
+	300: 'light',
+	400: 'normal',
+	500: 'medium',
+	600: 'semiBold',
+	700: 'bold',
+	800: 'extraBold',
+	900: 'heavy',
+	950: 'extraBlack'
+};
+const fallbacks = ['Symbola', 'Noto-CJK'];
+
+module.exports = class Font {
+	constructor(path, filename, metadata) {
+		this.path = path;
+		this.name = metadata.name || filename;
+		this.filename = filename;
+		this.style = metadata.style === 'regular' ? 'normal' : metadata.style || 'normal';
+		this.weight = weights[metadata.weight] || metadata.weight || 'normal';
+		this.type = metadata.type;
+		this.registered = false;
+		this.fallbacks = fallbacks.filter(fallback => fallback !== this.filenameNoExt);
+	}
+
+	register() {
+		if (this.registered) return null;
+		this.registered = true;
+		return registerFont(this.path, { family: this.filenameNoExt, style: this.style, weight: this.weight });
+	}
+
+	toCanvasString(size, shouldDoFallbacks = true) {
+		const shouldFall = shouldDoFallbacks ? `, ${this.fallbacks.join(', ')}` : '';
+		return `${this.style} ${this.weight} ${size}px ${this.filenameNoExt}${shouldFall}`;
+	}
+
+	get filenameNoExt() {
+		return this.filename.replace(/(\.(otf|ttf))$/, '');
+	}
+
+	get isFallback() {
+		return fallbacks.includes(this.filenameNoExt);
+	}
+};

structures/fonts/FontManager.js

@@ -0,0 +1,24 @@
+const { Collection } = require('@discordjs/collection');
+const fs = require('fs');
+const path = require('path');
+const fontFinder = require('font-finder');
+const Font = require('./Font');
+
+module.exports = class FontManager extends Collection {
+	constructor(client, options) {
+		super(options);
+
+		Object.defineProperty(this, 'client', { value: client });
+	}
+
+	async registerFontsIn(filepath) {
+		const files = fs.readdirSync(filepath);
+		for (const file of files) {
+			const metadata = await fontFinder.get(path.join(filepath, file));
+			const font = new Font(path.join(filepath, file), file, metadata);
+			this.set(file, font);
+			font.register();
+		}
+		return this;
+	}
+};