Source Map Standard

Russell Leggett russell.leggett at
Wed Apr 11 11:41:09 PDT 2012

I don't know if it makes sense to become part of the language standard
considering that seems like its much more related to environment/tooling
than the language itself. However, I would also like to take the
opportunity to say thank you, because I am really excited about source maps!

- Russ

On Wed, Apr 11, 2012 at 2:11 PM, Joey Schorr <jschorr at> wrote:

> Greetings ES Discuss!
> We (Joey Schorr and John Lenz, CCed) are some of the authors of the source
> map specification that is now implemented by WebKit and Firefox, as well as
> a number of compilers (Closure Compiler, GWT and soon CoffeeScript). Given
> that the specification is becoming a de-facto standard for mapping of code
> which is compiled to JS, we were curious if there was any interest in
> making it an actual standard under TC39. The current specification can be
> found here:
> with a number of contributions from all the various parties involved.
> Thanks!
> Joey Schorr
> Additional information:
> Firefox implementation:
> WebKit implementation:
> Tutorial for Chrome:
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> es-discuss at
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