Fix templates for lazy loading

core/modules/macros/jsontiddlers.js

@@ -20,19 +20,14 @@ exports.name = "jsontiddlers";
 
 exports.params = [
 	{name: "filter"},
-	{name: "spaces"},
-	{name: "escapeUnsafeScriptCharacters"}
+	{name: "spaces"}
 ];
 
 /*
 Run the macro
 */
-exports.run = function(filter,spaces,escapeUnsafeScriptCharacters) {
-	var json = this.wiki.getTiddlersAsJson(filter,{
-		spaces: $tw.utils.parseInt(spaces),
-		escapeUnsafeScriptCharacters: escapeUnsafeScriptCharacters === "yes"
-	});
-	return json;
+exports.run = function(filter,spaces) {
+	return this.wiki.getTiddlersAsJson(filter,$tw.utils.parseInt(spaces));
 };
 
 })();

core/modules/widgets/jsontiddler.js

@@ -0,0 +1,79 @@
+/*\
+title: $:/core/modules/widgets/jsontiddler.js
+type: application/javascript
+module-type: widget
+
+Render a tiddler as JSON text
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+var Widget = require("$:/core/modules/widgets/widget.js").widget;
+
+var JSONTiddlerWidget = function(parseTreeNode,options) {
+    this.initialise(parseTreeNode,options);
+};
+
+/*
+Inherit from the base widget class
+*/
+JSONTiddlerWidget.prototype = new Widget();
+
+/*
+Render this widget into the DOM
+*/
+JSONTiddlerWidget.prototype.render = function(parent,nextSibling) {
+    var self = this;
+    this.parentDomNode = parent;
+    this.computeAttributes();
+    this.execute();
+    var fields = {};
+    if(this.attTiddler) {
+        var tiddler = this.wiki.getTiddler(this.attTiddler);
+        if(tiddler) {
+            fields = tiddler.getFieldStrings({exclude: this.attExclude.split(" ")});
+        }
+    }
+	$tw.utils.each(this.attributes,function(attribute,name) {
+		if(name.charAt(0) === "$") {
+            fields[name.slice(1)] = attribute;
+		}
+	});
+    var json = JSON.stringify(fields);
+    if(this.attEscapeUnsafeScriptChars) {
+		json = json.replace(/</g,"\\u003C");
+    }
+    var textNode = this.document.createTextNode(json);
+    parent.insertBefore(textNode,nextSibling);
+    this.domNodes.push(textNode);
+};
+
+/*
+Compute the internal state of the widget
+*/
+JSONTiddlerWidget.prototype.execute = function() {
+    this.attTiddler = this.getAttribute("tiddler");
+    this.attExclude = this.getAttribute("exclude","");
+    this.attEscapeUnsafeScriptChars = this.getAttribute("escapeUnsafeScriptChars","no") === "yes";
+};
+
+/*
+Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
+*/
+JSONTiddlerWidget.prototype.refresh = function(changedTiddlers) {
+    var changedAttributes = this.computeAttributes();
+    if($tw.utils.count(changedAttributes) > 0 || (this.attTiddler && changedTiddlers[this.attTiddler])) {
+        this.refreshSelf();
+        return true;
+    } else {
+        return false;
+    }
+};
+
+exports.jsontiddler = JSONTiddlerWidget;
+
+})();

core/modules/wiki.js

@@ -700,40 +700,21 @@ exports.getTiddlerAsJson = function(title) {
 	}
 };
 
-/*
-Options:
-spaces: number of spaces. The special value -1 results in a line break in between each tiddler
-escapeUnsafeScriptCharacters: true to force escaping of characters that cannot be embedded in HTML
-*/
-exports.getTiddlersAsJson = function(filter,options) {
-	options = options || {};
-	if(typeof options === "string") {
-		options = {spaces: options};
-	}
-	var titles = this.filterTiddlers(filter),
-		spaces = (options.spaces === undefined) ? $tw.config.preferences.jsonSpaces : options.spaces,
-		data = [],
-		t;
-	for(t=0;t<titles.length; t++) {
-		var tiddler = this.getTiddler(titles[t]);
+exports.getTiddlersAsJson = function(filter,spaces) {
+    var tiddlers = this.filterTiddlers(filter),
+        spaces = (spaces === undefined) ? $tw.config.preferences.jsonSpaces : spaces,
+        data = [];
+    for(var t=0;t<tiddlers.length; t++) {
+        var tiddler = this.getTiddler(tiddlers[t]);
         if(tiddler) {
-			data.push(tiddler.getFieldStrings());
+            var fields = new Object();
+            for(var field in tiddler.fields) {
+                fields[field] = tiddler.getFieldString(field);
+            }
+            data.push(fields);
         }
     }
-	var json;
-	if(spaces === -1) {
-		var jsonLines = [];
-		for(t=0;t<data.length; t++) {
-			jsonLines.push(JSON.stringify(data[t]));
-		}
-		json = "[\n" + jsonLines.join(",\n") + "\n]";
-	} else {
-		json = JSON.stringify(data,null,spaces);
-	}
-	if(options.escapeUnsafeScriptCharacters) {
-		json = json.replace(/</g,"\\u003C");
-	}
-	return json;
+    return JSON.stringify(data,null,spaces);
 };
 
 /*

core/templates/html-json-skinny-tiddler.tid

@@ -0,0 +1,4 @@
+title: $:/core/templates/html-json-skinny-tiddler
+
+<$list filter="[<numTiddlers>compare:number:gteq[1]] ~[<counter>!match[1]]">`,`<$text text=<<newline>>/></$list>
+<$jsontiddler tiddler=<<currentTiddler>> exclude="text" escapeUnsafeScriptChars="yes"/>

core/templates/html-json-tiddler.tid

@@ -0,0 +1,4 @@
+title: $:/core/templates/html-json-tiddler
+
+<$list filter="[<counter>!match[1]]">`,`<$text text=<<newline>>/></$list>
+<$jsontiddler tiddler=<<currentTiddler>> escapeUnsafeScriptChars="yes"/>

core/templates/store.area.template.html.tid

@@ -5,9 +5,16 @@ title: $:/core/templates/store.area.template.html
 <$list filter="[[$:/isEncrypted]get[text]else[no]match[no]]">
     <$list filter="[[storeAreaFormat]is[variable]getvariable[]else[json]match[json]]">
         <!-- New-style JSON store area, with an old-style store area for compatibility with v5.1.x tooling -->
-        `<script class="tiddlywiki-tiddler-store" type="application/json">`
-            <$macrocall $name="jsontiddlers" filter=<<saveTiddlerFilter>> spaces="-1" escapeUnsafeScriptCharacters="yes" $output="text/raw"/>
-        `</script>`
+        `<script class="tiddlywiki-tiddler-store" type="application/json">[`
+            <$vars newline={{{ [charcode[10]] }}}>
+                <$text text=<<newline>>/>
+                <$list filter=<<saveTiddlerFilter>> counter="counter" template="$:/core/templates/html-json-tiddler"/>
+                <$vars numTiddlers={{{ [subfilter<saveTiddlerFilter>count[]] }}}>
+                    <$list filter={{{ [<skinnySaveTiddlerFilter>] }}} counter="counter" template="$:/core/templates/html-json-skinny-tiddler"/>
+                </$vars>
+                <$text text=<<newline>>/>
+            </$vars>
+        `]</script>`
         `<div id="storeArea" style="display:none;">`
         `</div>`
     </$list>

plugins/tiddlywiki/tiddlyweb/html-json-skinny-tiddler.tid

@@ -0,0 +1,4 @@
+title: $:/core/templates/html-json-skinny-tiddler
+
+<$list filter="[<numTiddlers>compare:number:gteq[1]] ~[<counter>!match[1]]">`,`<$text text=<<newline>>/></$list>
+<$jsontiddler tiddler=<<currentTiddler>> exclude="text" escapeUnsafeScriptChars="yes" $revision=<<changecount>> $bag="default" $_is_skinny=""/>

plugins/tiddlywiki/tiddlyweb/html-json-tiddler.tid

@@ -0,0 +1,4 @@
+title: $:/core/templates/html-json-tiddler
+
+<$list filter="[<counter>!match[1]]">`,`<$text text=<<newline>>/></$list>
+<$jsontiddler tiddler=<<currentTiddler>> escapeUnsafeScriptChars="yes" $revision=<<changecount>> $bag="default">/>