function setAttributes()

in source/console/app/lib/aws-ui/AWS-UI-Components/components.js [1359:1407]
39 lines of code
33 McCabe index (conditional complexity)

	function setAttributes(node, tag, dataAttrs, cachedAttrs, namespace) {
		for (var attrName in dataAttrs) {
			var dataAttr = dataAttrs[attrName];
			var cachedAttr = cachedAttrs[attrName];
			if (!(attrName in cachedAttrs) || (cachedAttr !== dataAttr)) {
				cachedAttrs[attrName] = dataAttr;
				try {
					//`config` isn't a real attributes, so ignore it
					if (attrName === "config" || attrName == "key") continue;
					//hook event handlers to the auto-redrawing system
					else if (typeof dataAttr === FUNCTION && attrName.indexOf("on") === 0) {
						node[attrName] = autoredraw(dataAttr, node)
					}
					//handle `style: {...}`
					else if (attrName === "style" && dataAttr != null && type.call(dataAttr) === OBJECT) {
						for (var rule in dataAttr) {
							if (cachedAttr == null || cachedAttr[rule] !== dataAttr[rule]) node.style[rule] = dataAttr[rule]
						}
						for (var rule in cachedAttr) {
							if (!(rule in dataAttr)) node.style[rule] = ""
						}
					}
					//handle SVG
					else if (namespace != null) {
						if (attrName === "href") node.setAttributeNS("http://www.w3.org/1999/xlink", "href", dataAttr);
						else if (attrName === "className") node.setAttribute("class", dataAttr);
						else node.setAttribute(attrName, dataAttr)
					}
					//handle cases that are properties (but ignore cases where we should use setAttribute instead)
					//- list and form are typically used as strings, but are DOM element references in js
					//- when using CSS selectors (e.g. `m("[style='']")`), style is used as a string, but it's an object in js
					else if (attrName in node && !(attrName === "list" || attrName === "style" || attrName === "form" || attrName === "type" || attrName === "width" || attrName === "height")) {
						//#348 don't set the value if not needed otherwise cursor placement breaks in Chrome
						if (tag !== "input" || node[attrName] !== dataAttr) node[attrName] = dataAttr
					}
					else node.setAttribute(attrName, dataAttr)
				}
				catch (e) {
					//swallow IE's invalid argument errors to mimic HTML's fallback-to-doing-nothing-on-invalid-attributes behavior
					if (e.message.indexOf("Invalid argument") < 0) throw e
				}
			}
			//#348 dataAttr may not be a string, so use loose comparison (double equal) instead of strict (triple equal)
			else if (attrName === "value" && tag === "input" && node.value != dataAttr) {
				node.value = dataAttr
			}
		}
		return cachedAttrs
	}