Introduce processor

src/build/fa.ts

@@ -0,0 +1,57 @@
+/**
+ * Replace fontawesome symbols
+ */
+
+import * as fontawesome from '@fortawesome/fontawesome';
+import * as regular from '@fortawesome/fontawesome-free-regular';
+import * as solid from '@fortawesome/fontawesome-free-solid';
+import * as brands from '@fortawesome/fontawesome-free-brands';
+
+// Add icons
+fontawesome.library.add(regular);
+fontawesome.library.add(solid);
+fontawesome.library.add(brands);
+
+export const pattern = /%fa:(.+?)%/g;
+
+export const replacement = (_, key) => {
+	const args = key.split(' ');
+	let prefix = 'fas';
+	const classes = [];
+	let transform = '';
+	let name;
+
+	args.forEach(arg => {
+		if (arg == 'R' || arg == 'S' || arg == 'B') {
+			prefix =
+				arg == 'R' ? 'far' :
+				arg == 'S' ? 'fas' :
+				arg == 'B' ? 'fab' :
+				'';
+		} else if (arg[0] == '.') {
+			classes.push('fa-' + arg.substr(1));
+		} else if (arg[0] == '-') {
+			transform = arg.substr(1).split('|').join(' ');
+		} else {
+			name = arg;
+		}
+	});
+
+	const icon = fontawesome.icon({ prefix, iconName: name }, {
+		classes: classes
+	});
+
+	if (icon) {
+		icon.transform = fontawesome.parse.transform(transform);
+		return `<i data-fa class="${name}">${icon.html[0]}</i>`;
+	} else {
+		console.warn(`'${name}' not found in fa`);
+		return '';
+	}
+};
+
+export default (src: string) => {
+	return src.replace(pattern, replacement);
+};
+
+export const fa = fontawesome;