Canvas iter delegates Brush iter-after, using noscript as beacon

js/Trapped-Frontend.js

@@ -773,26 +773,16 @@ selector: "trapIter:tag:do:",
 category: '*Trapped-Frontend',
 fn: function (path,aSymbol,aBlock){
 var self=this;
-var start,end;
-function $Trapped(){return smalltalk.Trapped||(typeof Trapped=="undefined"?nil:Trapped)}
 return smalltalk.withContext(function($ctx1) { 
 self._with_((function(html){
 return smalltalk.withContext(function($ctx2) {
-start=_st(html)._script();
-$ctx2.sendIdx["script"]=1;
-start;
-end=_st(html)._script();
-return end;
+return _st(_st(html)._noscript())._trapIter_tag_after_(path,aSymbol,aBlock);
 }, function($ctx2) {$ctx2.fillBlock({html:html},$ctx1,1)})}));
-_st(start)._trap_read_(path,(function(model){
-return smalltalk.withContext(function($ctx2) {
-return _st($Trapped())._loop_between_and_tag_do_(model,start,end,aSymbol,aBlock);
-}, function($ctx2) {$ctx2.fillBlock({model:model},$ctx1,2)})}));
-return self}, function($ctx1) {$ctx1.fill(self,"trapIter:tag:do:",{path:path,aSymbol:aSymbol,aBlock:aBlock,start:start,end:end},smalltalk.HTMLCanvas)})},
+return self}, function($ctx1) {$ctx1.fill(self,"trapIter:tag:do:",{path:path,aSymbol:aSymbol,aBlock:aBlock},smalltalk.HTMLCanvas)})},
 args: ["path", "aSymbol", "aBlock"],
-source: "trapIter: path tag: aSymbol do: aBlock\x0a\x09| start end |\x0a    self with: [ :html | start := html script. end := html script ].\x0a    start trap: path read: [ :model |\x0a    \x09Trapped loop: model between: start and: end tag: aSymbol do: aBlock.\x0a    ]",
-messageSends: ["with:", "script", "trap:read:", "loop:between:and:tag:do:"],
-referencedClasses: ["Trapped"]
+source: "trapIter: path tag: aSymbol do: aBlock\x0a    self with: [ :html | html noscript trapIter: path tag: aSymbol after: aBlock ]",
+messageSends: ["with:", "trapIter:tag:after:", "noscript"],
+referencedClasses: []
 }),
 smalltalk.HTMLCanvas);
 
@@ -899,4 +889,31 @@ referencedClasses: []
 }),
 smalltalk.TagBrush);
 
+smalltalk.addMethod(
+smalltalk.method({
+selector: "trapIter:tag:after:",
+category: '*Trapped-Frontend',
+fn: function (path,aSymbol,aBlock){
+var self=this;
+var end;
+function $TagBrush(){return smalltalk.TagBrush||(typeof TagBrush=="undefined"?nil:TagBrush)}
+function $Trapped(){return smalltalk.Trapped||(typeof Trapped=="undefined"?nil:Trapped)}
+return smalltalk.withContext(function($ctx1) { 
+var $2,$1;
+$2="<noscript />"._asJQuery();
+$ctx1.sendIdx["asJQuery"]=1;
+$1=_st($2)._insertAfter_(self._asJQuery());
+end=_st($TagBrush())._fromJQuery_canvas_($1,self["@canvas"]);
+self._trap_read_(path,(function(model){
+return smalltalk.withContext(function($ctx2) {
+return _st($Trapped())._loop_between_and_tag_do_(model,self,end,aSymbol,aBlock);
+}, function($ctx2) {$ctx2.fillBlock({model:model},$ctx1,1)})}));
+return self}, function($ctx1) {$ctx1.fill(self,"trapIter:tag:after:",{path:path,aSymbol:aSymbol,aBlock:aBlock,end:end},smalltalk.TagBrush)})},
+args: ["path", "aSymbol", "aBlock"],
+source: "trapIter: path tag: aSymbol after: aBlock\x0a\x09| end |\x0a\x09end := TagBrush fromJQuery: ('<noscript />' asJQuery insertAfter: self asJQuery) canvas: canvas.\x0a    self trap: path read: [ :model |\x0a    \x09Trapped loop: model between: self and: end tag: aSymbol do: aBlock.\x0a    ]",
+messageSends: ["fromJQuery:canvas:", "insertAfter:", "asJQuery", "trap:read:", "loop:between:and:tag:do:"],
+referencedClasses: ["TagBrush", "Trapped"]
+}),
+smalltalk.TagBrush);
+
 });

st/Trapped-Frontend.st

@@ -266,11 +266,7 @@ trapDescend: aBlock
 !HTMLCanvas methodsFor: '*Trapped-Frontend'!
 
 trapIter: path tag: aSymbol do: aBlock
-	| start end |
-    self with: [ :html | start := html script. end := html script ].
-    start trap: path read: [ :model |
-    	Trapped loop: model between: start and: end tag: aSymbol do: aBlock.
-    ]
+    self with: [ :html | html noscript trapIter: path tag: aSymbol after: aBlock ]
 ! !
 
 !TagBrush methodsFor: '*Trapped-Frontend'!
@@ -300,5 +296,13 @@ trapGuard: anArray contents: aBlock
             	shown
 					ifTrue: [ snap do: [ self contents: aBlock ]. self asJQuery show ]
 					ifFalse: [ self asJQuery hide; empty ] ] ] ]
+!
+
+trapIter: path tag: aSymbol after: aBlock
+	| end |
+	end := TagBrush fromJQuery: ('<noscript />' asJQuery insertAfter: self asJQuery) canvas: canvas.
+    self trap: path read: [ :model |
+    	Trapped loop: model between: self and: end tag: aSymbol do: aBlock.
+    ]
 ! !