Writing a Primary Linker Guidance

Sorry for bumping, but I have an update.

After spending some time researching this topic, it seems to me that the most appropriate way to accomplish server side script selection is to write a new primary linker. These seem to support a lot of functionality that I don't need (like including the css and js files from the .gwt.xml file), so I don't really need to support that. While our project doesn't use code splitting right now, its a definite possiblity in the future.

I wrote a fairly trivial primary linker that simply emits the compilation result javascript to a .cache.js file (currently only the first element in the js array returned by getJavascript(), will look into adding runAsync support later). I tried including the resulting file directly in a script tag, but that didn't work. I defined the $wnd, $doc, and $stats variables. I appended a call to $wnd.gwtOnLoad, but am not entirely sure how to get the errFn variable, or the soft permutation id for that matter. I'm currently leaving those at null and 0 and that seems to work, but I think this is getting rid of my global exception handler.

For anyone familiar with the linker system, where do I get errFn or softPermutationId for gwtOnLoad?

Also, my readings of javadoc seem to indicate all I have to do to support runAsync is provide __gwtStartLoadingFragment and __gwtInstallCode. Is that really all I have to do?

2nd last question: will this scheme handle ClientBundle, or more accurately ImageBundle?

Last question: could I support dev mode in this configuration? I was thinking if I detect devmode I would link to a seperate js file like the one here. Would that work?

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