lib/twitch.gui.js
function setGUIType(name, nwg) {
	gui_type = name;

	if ( gui_type == 'nw' ) {
		if ( nwg )
			nwGUI = nwg;
		else
			throw new Error('Did not get nw.gui object with GUI type "nw"');
	}
}
function setGUIType(name, nwg) {
	gui_type = name;

	if ( gui_type == 'nw' ) {
		if ( nwg )
			nwGUI = nwg;
		else
			throw new Error('Did not get nw.gui object with GUI type "nw"');
	}
}
function setGUIType ( name , nwg ) { gui_type = name ; if ( gui_type == 'nw' ) { if ( nwg ) nwGUI = nwg ; else throw new Error ( 'Did not get nw.gui object with GUI type "nw"' ) ; } }
Sets the GUI type

@private
@method setGUIType
@param {String} name The GUI ID (`nw`, `nw13`, `electron`)
@param {Object} [nwg] The NW.js `nw.gui` object for NW.js v0.12 and lower
Sets the GUI type