better-testing

DarkLog.js
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			/**
			* @provides phabricator-darklog
			* @javelin
			*/

			JX.install('DarkLog', {

			construct: function() {
			this._messages = [];
			},

			members: {
			_node: null,
			_messages: null,

			addMessage: function(message) {
			var node = message.getNode();

			this._messages.push(message);
			if (this._node) {
			this._append([node]);
			}

			return this;
			},

			setNode: function(node) {
			var nodes = [];
			for (var ii = 0; ii < this._messages.length; ii++) {
			nodes.push(this._messages[ii].getNode());
			}

			this._node = node;
			this._append(nodes);

			return this;
			},

			_append: function(nodes) {
			for (var ii = 0; ii < nodes.length; ii++) {
			this._node.appendChild(nodes[ii]);
			}
			}

			}

			});