Initial commit

Thanks @PotOfCoffee2Go

bin/ci-test.sh

@@ -2,9 +2,6 @@
 
 # test TiddlyWiki5 for tiddlywiki.com
 
-npm install playwright @playwright/test
-npx playwright install chromium firefox --with-deps
-
 node ./tiddlywiki.js \
 	./editions/test \
 	--verbose \
@@ -13,4 +10,7 @@ node ./tiddlywiki.js \
 	--test \
 	|| exit 1
 
+npm install playwright @playwright/test
+npx playwright install chromium firefox --with-deps
+
 npx playwright test

core/modules/commands/jsrepl.js

@@ -0,0 +1,46 @@
+/*\
+title: $:/core/modules/commands/jsrepl.js
+type: application/javascript
+module-type: command
+
+Command to launch node.js REPL with access to $tw
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.info = {
+	name: "jsrepl",
+	synchronous: true
+};
+
+var Command = function(params,commander,callback) {
+	var self = this;
+	this.params = params;
+	this.commander = commander;
+	this.callback = callback;
+};
+
+Command.prototype.execute = function() {
+	var self = this;
+	var repl = require("repl");
+	this.runtime = repl.start({
+		prompt: this.params.length ? this.params[0] : "$tw-jsrepl> ",
+		useColors: true,
+		ignoreUndefined: true
+	});
+	// If REPL is reset (.clear) - context needs resetting
+	this.runtime.on("reset", function() {
+		self.runtime.context.$tw = $tw;
+	});
+	// Initial context settings
+	this.runtime.context.$tw = $tw;
+	return null;
+};
+
+exports.Command = Command;
+
+})();

core/modules/parsers/wikiparser/wikiparser.js

@@ -194,6 +194,7 @@ Parse any pragmas at the beginning of a block of parse text
 WikiParser.prototype.parsePragmas = function() {
 	var currentTreeBranch = this.tree;
 	while(true) {
+		var savedPos = this.pos;
 		// Skip whitespace
 		this.skipWhitespace();
 		// Check for the end of the text
@@ -204,6 +205,7 @@ WikiParser.prototype.parsePragmas = function() {
 		var nextMatch = this.findNextMatch(this.pragmaRules,this.pos);
 		// If not, just exit
 		if(!nextMatch || nextMatch.matchIndex !== this.pos) {
+			this.pos = savedPos;
 			break;
 		}
 		// Process the pragma rule

core/modules/widgets/list.js

@@ -28,6 +28,18 @@ Inherit from the base widget class
 */
 ListWidget.prototype = new Widget();
 
+ListWidget.prototype.initialise = function(parseTreeNode,options) {
+	// Bail if parseTreeNode is undefined, meaning that the ListWidget constructor was called without any arguments so that it can be subclassed
+	if(parseTreeNode === undefined) {
+		return;
+	}
+	// First call parent constructor to set everything else up
+	Widget.prototype.initialise.call(this,parseTreeNode,options);
+	// Now look for <$list-template> and <$list-empty> widgets as immediate child widgets
+	// This is safe to do during initialization because parse trees never change after creation
+	this.findExplicitTemplates();
+}
+
 /*
 Render this widget into the DOM
 */
@@ -68,8 +80,6 @@ ListWidget.prototype.execute = function() {
 	this.counterName = this.getAttribute("counter");
 	this.storyViewName = this.getAttribute("storyview");
 	this.historyTitle = this.getAttribute("history");
-	// Look for <$list-template> and <$list-empty> widgets as immediate child widgets
-	this.findExplicitTemplates();
 	// Compose the list elements
 	this.list = this.getTiddlerList();
 	var members = [],
@@ -92,6 +102,7 @@ ListWidget.prototype.findExplicitTemplates = function() {
 	var self = this;
 	this.explicitListTemplate = null;
 	this.explicitEmptyTemplate = null;
+	this.hasTemplateInBody = false;
 	var searchChildren = function(childNodes) {
 		$tw.utils.each(childNodes,function(node) {
 			if(node.type === "list-template") {
@@ -100,6 +111,8 @@ ListWidget.prototype.findExplicitTemplates = function() {
 				self.explicitEmptyTemplate = node.children;
 			} else if(node.type === "element" && node.tag === "p") {
 				searchChildren(node.children);
+			} else {
+				self.hasTemplateInBody = true;
 			}
 		});
 	};
@@ -160,11 +173,11 @@ ListWidget.prototype.makeItemTemplate = function(title,index) {
 			// Check for a <$list-item> widget
 			if(this.explicitListTemplate) {
 				templateTree = this.explicitListTemplate;
-			} else if (!this.explicitEmptyTemplate) {
+			} else if(this.hasTemplateInBody) {
 				templateTree = this.parseTreeNode.children;
 			}
 		}
-		if(!templateTree) {
+		if(!templateTree || templateTree.length === 0) {
 			// Default template is a link to the title
 			templateTree = [{type: "element", tag: this.parseTreeNode.isBlock ? "div" : "span", children: [{type: "link", attributes: {to: {type: "string", value: title}}, children: [
 				{type: "text", text: title}
@@ -414,4 +427,27 @@ ListItemWidget.prototype.refresh = function(changedTiddlers) {
 
 exports.listitem = ListItemWidget;
 
+/*
+Make <$list-template> and <$list-empty> widgets that do nothing
+*/
+var ListTemplateWidget = function(parseTreeNode,options) {
+	// Main initialisation inherited from widget.js
+	this.initialise(parseTreeNode,options);
+};
+ListTemplateWidget.prototype = new Widget();
+ListTemplateWidget.prototype.render = function() {}
+ListTemplateWidget.prototype.refresh = function() { return false; }
+
+exports["list-template"] = ListTemplateWidget;
+
+var ListEmptyWidget = function(parseTreeNode,options) {
+	// Main initialisation inherited from widget.js
+	this.initialise(parseTreeNode,options);
+};
+ListEmptyWidget.prototype = new Widget();
+ListEmptyWidget.prototype.render = function() {}
+ListEmptyWidget.prototype.refresh = function() { return false; }
+
+exports["list-empty"] = ListEmptyWidget;
+
 })();