"use strict";

export default function(def, fixed_width=true, aria_hidden=true) {
	if(typeof def === "string")
		return `span[class="fa fa-${def}${fixed_width?` fa-fw`:``}"${aria_hidden?` aria-hidden="true"`:""}]`;
	if(def instanceof Array)
		return `(span[class="fa-stack${fixed_width?` fa-fw`:``}"${aria_hidden?` aria-hidden="true"`:""}]>${def.map((el, i) => `span[class="fa fa-${el} fa-stack-${def.length-i}x${fixed_width?` fa-fw`:``}"]`).join(`+`)})`;
	
	throw new Error(`Error: Expected def of type string or Array, but got variable of type ${typeof def}`);
}