detecting JS language mode for tools

John Lenz concavelenz at gmail.com
Fri Jan 24 09:11:28 PST 2014


You don't get "let", "function" block scoping, "yield" or other
incompatible constructs. (let and yield aren't a reserved word in ES5
"loose)


On Fri, Jan 24, 2014 at 8:49 AM, Tab Atkins Jr. <jackalmage at gmail.com>wrote:

> On Fri, Jan 24, 2014 at 8:48 AM, John Lenz <concavelenz at gmail.com> wrote:
> > For static language parsers there seems to be a bit of a dilemma with ES6
> > modules.  I would appreciate a correct or hint.
> >
> > Here is my understanding:
> >
> >   - standard scripts as we know them today will parse in the browser as
> > "loose" code
> >   - scripts with the standard "use strict" will parse as "strict" with
> > access to all ES6 goodness
>
> Loose code will also get all the ES6 goodness.  1JS and all that.
>
> ~TJ
>
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