function traverseGraph()

in google-cloud-server/src/main/resources/buildServerResources/knockout.validation-2.0.3.js [234:286]

• 38 lines of code
• 20 McCabe index (conditional complexity)

	function traverseGraph(obj, context, level) {
		var objValues = [],
			val = obj.peek ? obj.peek() : obj;

		if (obj.__kv_traversed === true) {
			return;
		}

		if (context.options.deep) {
			obj.__kv_traversed = true;
			context.flagged.push(obj);
		}

		//default level value depends on deep option.
		level = (level !== undefined ? level : context.options.deep ? 1 : -1);

		// if object is observable then add it to the list
		if (ko.isObservable(obj)) {
			// ensure it's validatable but don't extend validatedObservable because it
			// would overwrite isValid property.
			if (!obj.errors && !utils.isValidatable(obj)) {
				obj.extend({ validatable: true });
			}
			context.validatables.push(obj);

			if (context.options.live && utils.isObservableArray(obj)) {
				context.subscriptions.push(obj.subscribe(function () {
					context.graphMonitor.valueHasMutated();
				}));
			}
		}

		//get list of values either from array or object but ignore non-objects
		// and destroyed objects
		if (val && !val._destroy) {
			if (utils.isArray(val)) {
				objValues = val;
			}
			else if (utils.isObject(val)) {
				objValues = utils.values(val);
			}
		}

		//process recursively if it is deep grouping
		if (level !== 0) {
			utils.forEach(objValues, function (observable) {
				//but not falsy things and not HTML Elements
				if (observable && !observable.nodeType && (!ko.isComputed(observable) || observable.rules)) {
					traverseGraph(observable, context, level + 1);
				}
			});
		}
	}