Use the new wiki.makeWidget() method where we can

core/modules/commands/new_rendertiddlers.js

@@ -41,18 +41,7 @@ Command.prototype.execute = function() {
 		tiddlers = wiki.filterTiddlers(filter);
 	$tw.utils.each(tiddlers,function(title) {
 		var parser = wiki.new_parseTiddler(template),
-			parseTreeNode = parser ? {type: "widget", children: [{
-				type: "setvariable",
-				attributes: {
-					name: {type: "string", value: "currentTiddler"},
-					value: {type: "string", value: title}
-				},
-				children: parser.tree
-			}]} : undefined,
-			widgetNode = new widget.widget(parseTreeNode,{
-				wiki: wiki,
-				document: $tw.document
-			});
+			widgetNode = wiki.makeWidget(parser,{variables: {currentTiddler: title}});
 		var container = $tw.document.createElement("div");
 		widgetNode.render(container,null);
 		var text = type === "text/html" ? container.innerHTML : container.textContent;

core/modules/parsers/wikiparser/rules/typedblock.js

@@ -65,12 +65,8 @@ exports.parse = function() {
 		return parser.tree;
 	} else {
 		// Otherwise, render to the rendertype and return in a <PRE> tag
-		var parseTreeNode = parser ? {type: "widget", children: parser.tree} : undefined,
-			widgetNode = new widget.widget(parseTreeNode,{
-				wiki: $tw.wiki,
-				document: $tw.document
-			});
-		var container = $tw.document.createElement("div");
+		var widgetNode = this.parser.wiki.makeWidget(parser),
+			container = $tw.document.createElement("div");
 		widgetNode.render(container,null);
 		var text = renderType === "text/html" ? container.innerHTML : container.textContent;
 		return [{

core/modules/startup.js

@@ -105,12 +105,7 @@ exports.startup = function() {
 		// Display the PageTemplate
 		var templateTitle = "$:/core/ui/PageTemplate",
 			parser = $tw.wiki.new_parseTiddler(templateTitle),
-			parseTreeNode = parser ? {type: "widget", children: parser.tree} : undefined,
-			widgetNode = new widget.widget(parseTreeNode,{
-				wiki: $tw.wiki,
-				parentWidget: $tw.rootWidget,
-				document: document
-			});
+			widgetNode = $tw.wiki.makeWidget(parser,{document: document, parentWidget: $tw.rootWidget});
 		$tw.new_pageContainer = document.createElement("div");
 		$tw.utils.addClass($tw.new_pageContainer,"tw-page-container");
 		document.body.insertBefore($tw.new_pageContainer,document.body.firstChild);

core/modules/utils/dom/modal.js

@@ -74,24 +74,14 @@ Modal.prototype.display = function(title,options) {
 		titleText = title;
 	}
 	var headerParser = this.wiki.new_parseText("text/vnd.tiddlywiki",titleText,{parseAsInline: true}),
-		headerParseTreeNode = headerParser ? {type: "widget", children: headerParser.tree} : undefined,
-		headerWidgetNode = new widget.widget(headerParseTreeNode,{
-			wiki: this.wiki,
-			parentWidget: $tw.rootWidget,
-			document: document
-		});
+		headerWidgetNode = this.wiki.makeWidget(headerParser,{parentWidget: $tw.rootWidget, document: document});
 	headerWidgetNode.render(modalHeader,null);
 	this.wiki.addEventListener("change",function(changes) {
 		headerWidgetNode.refresh(changes,modalHeader,null);
 	});
 	// Render the body of the message
 	var bodyParser = this.wiki.new_parseTiddler(title),
-		bodyParseTreeNode = bodyParser ? {type: "widget", children: bodyParser.tree} : undefined,
-		bodyWidgetNode = new widget.widget(bodyParseTreeNode,{
-			wiki: this.wiki,
-			parentWidget: $tw.rootWidget,
-			document: document
-		});
+		bodyWidgetNode = this.wiki.makeWidget(bodyParser,{parentWidget: $tw.rootWidget, document: document});
 	bodyWidgetNode.render(modalBody,null);
 	this.wiki.addEventListener("change",function(changes) {
 		bodyWidgetNode.refresh(changes,modalBody,null);
@@ -118,12 +108,7 @@ Modal.prototype.display = function(title,options) {
 		footerText = '<$button message="tw-close-tiddler" class="btn btn-primary">Close</$button>';
 	}
 	var footerParser = this.wiki.new_parseText("text/vnd.tiddlywiki",footerText,{parseAsInline: true}),
-		footerParseTreeNode = footerParser ? {type: "widget", children: footerParser.tree} : undefined,
-		footerWidgetNode = new widget.widget(footerParseTreeNode,{
-			wiki: this.wiki,
-			parentWidget: $tw.rootWidget,
-			document: document
-		});
+		footerWidgetNode = this.wiki.makeWidget(footerParser,{parentWidget: $tw.rootWidget, document: document});
 	footerWidgetNode.render(modalFooterButtons,null);
 	this.wiki.addEventListener("change",function(changes) {
 		footerWidgetNode.refresh(changes,modalFooterButtons,null);

core/modules/utils/dom/notifier.js

@@ -38,12 +38,7 @@ Notifier.prototype.display = function(title,options) {
 	$tw.utils.addClass(notification,"tw-notification");
 	// Render the body of the notification
 	var parser = this.wiki.new_parseTiddler(title),
-		parseTreeNode = parser ? {type: "widget", children: parser.tree} : undefined,
-		widgetNode = new widget.widget(parseTreeNode,{
-			wiki: this.wiki,
-			parentWidget: $tw.rootWidget,
-			document: document
-		});
+		widgetNode = this.wiki.makeWidget(parser,{parentWidget: $tw.rootWidget, document: document});
 	widgetNode.render(notification,null);
 	this.wiki.addEventListener("change",function(changes) {
 		widgetNode.refresh(changes,notification,null);