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Re: [Proxy] No way to hook property creation?

Newsgroups comp.lang.javascript
Date 2022-08-21 15:37 -0700
References <nfjfbn7so9tq$.10vkffqwvv24i.dlg@40tude.net> <a2038551-26fc-43e1-be58-a5a54103c040n@googlegroups.com> <1p7lh5k3cvr6p$.3m480ru7aw4d$.dlg@40tude.net>
Message-ID <1b667a56-bfeb-461b-9fbd-fa4126ef6d39n@googlegroups.com> (permalink)
Subject Re: [Proxy] No way to hook property creation?
From "Michael Haufe (TNO)" <tno@thenewobjective.com>

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On Sunday, August 21, 2022 at 2:30:18 AM UTC-5, JJ wrote:
> On Sat, 20 Aug 2022 17:17:46 -0700 (PDT), Michael Haufe (TNO) wrote: 
> > 
> > I'm having trouble understanding your goal. Can you share more than just 
> > the tactics?
> I'm trying to create a JS sandbox without the need of a separate browser 
> Window object. 
> 
> > Are you avoiding modules? 
> 
> No. The code can be anything.
> > Are you trying to create your own version of the ECMAScript ShadowRealm 
> > proposal? 
> > 
> > <https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md>
> I'm not aware of that. What I'm trying to achieve is not based on that. That 
> proposal does much more than what I want.

The best you can do today I think practically without resorting to a ShadowRealm-like polyfill is to utilize a detached iframe.

Which means you're limited to the browser for that approach.

I think node has an analogous approach:

<https://nodejs.org/api/vm.html>

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Thread

[Proxy] No way to hook property creation? JJ <jj4public@outlook.com> - 2022-08-07 12:56 +0700
  Re: [Proxy] No way to hook property creation? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2022-08-20 17:17 -0700
    Re: [Proxy] No way to hook property creation? JJ <jj4public@outlook.com> - 2022-08-21 14:30 +0700
      Re: [Proxy] No way to hook property creation? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2022-08-21 15:37 -0700
  Re: [Proxy] No way to hook property creation? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-08-22 01:08 +0200
    Re: [Proxy] No way to hook property creation? JJ <jj4public@outlook.com> - 2022-08-23 03:31 +0700
      Re: [Proxy] No way to hook property creation? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-08-24 01:45 +0200
      Re: [Proxy] No way to hook property creation? TheScreamingFedora <sebaslogo@gmail.com> - 2022-08-25 08:39 -0700
    Re: [Proxy] No way to hook property creation? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-08-27 22:40 +0200

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