About implementing libre.js/el in Emacs

[Qiantan Hong]

Hi,

As RMS recently pointed out, we should have something like Libre.js

for our _javascript_ Webkit Xwidgets in emacs.

I plan to implement that idea, but I have some design choices and

would like to hear inputs from you guys.

There are two obvious options to achieve this:

1) Implement (part of) the Web Extension API

https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API

and let libre.js runs as-is in Emacs.

2) reimplement libre.js as libre.el

Both will require adding primitives to Emacs C source to expose

urlRequest events, etc.

Option 1, besides enabling libre.js, can also bring numerous existing

cross-browser extensions to Emacs, if we finally support a large enough

portion of the Web Extension API. However those extensions are

all written in JS and JS is worse than Elisp.

Option 2 might require as much work as option 1, but without the additional

benefit (or drawback?) of bringing other JS extensions.

What do you think?

Best,

Qiantan

qhong@mit.edu

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