javascript

def javascript = { attrs, body ->
		setUpRequestAttributes();
        def requestPluginContext = request[CONTROLLER]?.pluginContextPath
		if(attrs.src) {
            javascriptInclude(attrs)
		}
		else if(attrs.library) {
			if(LIBRARY_MAPPINGS.containsKey(attrs.library)) {
				if(!request[INCLUDED_LIBRARIES].contains(attrs.library)) {
					LIBRARY_MAPPINGS[attrs.library].each {
						if(!request[INCLUDED_JS].contains(it)) {
							request[INCLUDED_JS] << it
							def newattrs = [:] + attrs
							newattrs.src = it+'.js'
							javascriptInclude(newattrs)
					    }
					}
					request[INCLUDED_LIBRARIES] << attrs.library
				}
			}
			else {
				if(!request[INCLUDED_LIBRARIES].contains(attrs.library)) {
					def newattrs = [:] + attrs
					newattrs.src = newattrs.remove('library')+'.js'
					javascriptInclude(newattrs)
					request[INCLUDED_LIBRARIES] << attrs.library
					request[INCLUDED_JS] << attrs.library					
				}
			}
		}
		else {
			out.println '<script type="text/javascript">'
			out.println body()
			out.println '</script>'
		}
	}
	private javascriptInclude(attrs) {
    	def requestPluginContext = request[CONTROLLER]?.pluginContextPath
		out << '<script type="text/javascript" src="'
		if (!attrs.base) {
            def baseUri = grailsAttributes.getApplicationUri(request)
            out << baseUri
            out << (baseUri.endsWith('/') ? '' : '/')
			if (requestPluginContext) {
			  out << (requestPluginContext.startsWith("/") ? requestPluginContext.substring(1) : requestPluginContext)
			  out << "/"
			} 
			out << 'js/'
		} else {
			out << attrs.base
		}
		out << attrs.src
 		out.println '"></script>'
	}