Re: ESR52 SpiderMonkey & ES6

You're right, this is super complicated. :-\

Well, I guess the first task is to get an error message. There's no pending
exception when these functions return false?

-j


On Wed, Jun 20, 2018 at 3:11 PM, Kent Williams <[email protected]>
wrote:

> Been beating my head on this for a couple of days.
>
> I'm trying to get ES6 module support working with ESR52 SpiderMonkey.
>
> I can run plain scripts just fine, but if I try using ES6 modules, it
> breaks.
>
> I solved one problem: You can't compile anything 'import' in it without
> setting the Module resolver with JS::SetModuleResolveHook.
>
> Then it turns out you can't use JS::Compile with any code with 'import' in
> it -- even if it isn't a module itself.
>
> But if you use JS::CompileModule, it isn't clear what you have to do to
> execute the script.
>
> What should happen is that you do X (where X is unknown) to execute the
> script, and then the interpreter handles the 'import' statements in your
> code by calling the resolve hook.
>
> So my problem is X -- if you have to use JS::CompileModule if there are
> any import statements in a script, how do you execute the script?
>
> Looking at the JS Shell code, the resolve hook is actually in a Javascript
> file.  I tried doing what that file does (ModuleLoader.js) but it doesn't
> work.  I call ModuleDeclarationInstantiation followed by ModuleEvaluation
> -- and both fail without any error message. They return false, and there's
> no apparent error message anywhere.
>
> Is it the case that no one uses ES6 modules with SpiderMonkey, except
> perhaps the Mozilla Browswer & the js shell included?
>
>
>
>
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