[Seaside] Problem with JSScript vs JSObject

Mariano Martinez Peck marianopeck at gmail.com
Fri Jan 13 21:58:26 UTC 2017

Hi guys,

Maybe it is because it's already Friday afternoon but I am failing to see
something obvious probably.

I render a div this way:

html div
id: self chartId;
class: 'researchChartComponentChartContainer';
script: (chart wholeScriptOn: html).

And the method #wholeScriptOn: does:

wholeScriptOn: html | script chart | script := JSScript new. chart := self
makeChartOn: html. script << chart. ^ script

The method #makeChartOn: answers an instance of Highstock (subclass of

If I let the code as above, I get a client side error:

VM4229:1 Uncaught SyntaxError: Unexpected token $ in JSON at position 0

However...if I change wholeScriptOn: to be:

wholeScriptOn: html ^ self makeChartOn: html

It works.

So...what the hell is going on? As an instance of Highstock it works but as
a JSScript it doesn't?
They even seem to print the same #asJavascript.

Any idea?

Thanks in advance,

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