ractive/src/utils/createElement.js

Next-generation DOM manipulation

import svg from 'config/svg';
import namespaces from 'config/namespaces';

var createElement;

// Test for SVG support
if ( !svg ) {
	createElement = function ( type, ns ) {
		if ( ns && ns !== namespaces.html ) {
			throw 'This browser does not support namespaces other than http://www.w3.org/1999/xhtml. The most likely cause of this error is that you\'re trying to render SVG in an older browser. See http://docs.ractivejs.org/latest/svg-and-older-browsers for more information';
		}

		return document.createElement( type );
	};
} else {
	createElement = function ( type, ns ) {
		if ( !ns || ns === namespaces.html ) {
			return document.createElement( type );
		}

		return document.createElementNS( ns, type );
	};
}

export default createElement;