Dňa 15. septembra 2015 12:05:16 CEST používateľ "Herby Vojčík" <he...@mailbox.sk> napísal: > OTOH, it is a question if it is wprth it at all, as we have IIFEs and > maybe will have do expressions, so you can stick anything to template > string anyway. OTYOH, new Regexp had its merits....
s/had/has/ > Dňa 15. septembra 2015 7:24:26 CEST používateľ Thomas > <thomasjamesfos...@bigpond.com> napísal: > > With all due respect to your solution (it works, and it works well), > > it's far from ideal to be relying upon `with` and Function. I guess > > what I'm trying to get at is - wouldn't it be better to think about > > having a built in version that didn't use with or eval (should be > easy > > enough)? I sense that you're not confident about it being successful > > in that sense, but a built in function for this trumps with and > > Function any day of the week. > > > > Thomas > > > > > On 15 Sep 2015, at 3:42 AM, Andrea Giammarchi > > <andrea.giammar...@gmail.com> wrote: > > > > > > nobody here raised the minimal interest in what I've achieved with > > those few lines of code, I rather had people saying "with statement? > > ewww" or similar reactions about Function like yours ... I don't > think > > as proposal would ever make it, it's too easy to polyfill so I'd > > expect many - 1 > > > > > > ¯\_(ツ)_/¯ > > > > > >> On Mon, Sep 14, 2015 at 5:23 PM, Thomas > > <thomasjamesfos...@bigpond.com> wrote: > > >> Sorry, I sent that before I saw your other explanation. > > >> > > >> On a second look that function does work pretty well. The use of > > Function still means strings are being evaluated at runtime, but I > > agree that it's safer/better than eval (though I'm not sure why CSP > > would still like it over eval). > > >> > > >> Have you any plans to make the String.prototype.template function > a > > proposal? > > >> > > >> Thomas > > >> > > >>> On 15 Sep 2015, at 1:52 AM, Andrea Giammarchi > > <andrea.giammar...@gmail.com> wrote: > > >>> > > >>> again, Function **is** better and different than eval, but I see > > this conversation is bringing nothing so I'll just stop explaining. > > >>> > > >>> Regards > > >>> > > >>>> On Mon, Sep 14, 2015 at 3:47 PM, Thomas > > <thomasjamesfos...@bigpond.com> wrote: > > >>>> Doesn't the code in that gist create functions at runtime from > > strings? If so that's not any better than eval. > > >>>> > > >>>>> On 14 Sep 2015, at 8:50 PM, Andrea Giammarchi > > <andrea.giammar...@gmail.com> wrote: > > >>>>> > > >>>>> sorry, early send (I think it was a ctrl+return ? ) ... I was > > saying .. > > >>>>> > > >>>>> without using eval and already discussed months ago: > > >>>>> https://gist.github.com/WebReflection/8f227532143e63649804 > > >>>>> > > >>>>> it's based on the glorious `with` statement and it works like > a > > charm > > >>>>> > > >>>>> Regards > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>> > > >>>>>> On Mon, Sep 14, 2015 at 11:49 AM, Andrea Giammarchi > > <andrea.giammar...@gmail.com> wrote: > > >>>>>> without using eval, discussed already months ago > > >>>>>> > > >>>>>> > > >>>>>>> On Mon, Sep 14, 2015 at 6:03 AM, Thomas > > <thomasjamesfos...@bigpond.com> wrote: > > >>>>>>> For those interested, this gist better shows what's being > > discussed: > https://gist.github.com/thomasfoster96/193e7c08aae499f810a1 > > >>>>>>> > > >>>>>>> Ron: Yes, that's already possible - but tagged template > > strings don't really offer much of an advantage over a function as > far > > as templating goes (IMHO). > > >>>>>>> > > >>>>>>> Thomas > > >>>>>>> > > >>>>>>> On 14 Sep 2015, at 11:04 AM, Ron Buckton > > <ron.buck...@microsoft.com> wrote: > > >>>>>>> > > >>>>>>>> This is theoretically possible: > > >>>>>>>> > > >>>>>>>> ``` > > >>>>>>>> let t = $template` > > >>>>>>>> ${$item.permalink} > > >>>>>>>> ${$each($item.comments)` > > >>>>>>>> ${$parent.permalink} > > >>>>>>>> ${$if($item.title)` > > >>>>>>>> ${$parent.permalink} > > >>>>>>>> `} > > >>>>>>>> `} > > >>>>>>>> `; > > >>>>>>>> let s = t(data); > > >>>>>>>> ``` > > >>>>>>>> > > >>>>>>>> ...given an adequate implementation using proxies (to > create > > bindings for e.g. `$item.permalink` for later evaluation) and tagged > > template functions. Whether or not this would make for a reasonable > > implementation is left to the reader. > > >>>>>>>> > > >>>>>>>> Ron > > >>>>>>>> From: Isiah Meadows > > >>>>>>>> Sent: 9/13/2015 4:15 PM > > >>>>>>>> To: Mark S. Miller > > >>>>>>>> Cc: Bob Myers; es-discuss > > >>>>>>>> Subject: Re: Template strings as a template language. > > >>>>>>>> > > >>>>>>>> On Sun, Sep 13, 2015 at 7:09 PM, Mark S. Miller > > <erig...@google.com> wrote: > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> > On Sun, Sep 13, 2015 at 8:58 AM, Bob Myers <r...@gol.com> > > wrote: > > >>>>>>>> >> > > >>>>>>>> >> Templating languages typically "compile" templates into > > functions through > > >>>>>>>> >> various lexical transformations. > > >>>>>>>> >> > > >>>>>>>> >> Consider a template file foo.tem: > > >>>>>>>> >> > > >>>>>>>> >> ``` > > >>>>>>>> >> My name is > > > ${https://na01.safelinks.protection.outlook.com/?url=this.name&data=01%7c01%7cron.buckton%40microsoft.com%7ce705066eae3849ee21f008d2bc913033%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=CY6YpX1n5jLScYGX2W1tIi2ndGlA7WI8ZTJUZjDL2Gw%3d}. > > >>>>>>>> >> ``` > > >>>>>>>> >> > > >>>>>>>> >> Lexically transform this into > > >>>>>>>> >> > > >>>>>>>> >> ``` > > >>>>>>>> >> function foo() { > > >>>>>>>> >> return `My name is ${this.name|}.`; > > >>>>>>>> >> } > > >>>>>>>> >> > > >>>>>>>> >> Then invoke the template as eg > > >>>>>>>> >> > > >>>>>>>> >> ``` > > >>>>>>>> >> foo.call({name: 'Bob'}) > > >>>>>>>> >> ``` > > >>>>>>>> >> > > >>>>>>>> >> Having said that, I doubt if ES6 template strings serve > as > > a useful basis > > >>>>>>>> >> for a full-fledged templating system. To take just one > > basic example, how > > >>>>>>>> >> would one implement the equivalent of `{{#if}}`? > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> > What does `{{#if}}` mean? > > >>>>>>>> > > > >>>>>>>> > > >>>>>>>> An example from Handlebars' website (which is likely where > he > > drew the > > >>>>>>>> syntax from): > > >>>>>>>> > > >>>>>>>> ``` > > >>>>>>>> {{permalink}} > > >>>>>>>> {{#each comments}} > > >>>>>>>> {{../permalink}} > > >>>>>>>> > > >>>>>>>> {{#if title}} > > >>>>>>>> {{../permalink}} > > >>>>>>>> {{/if}} > > >>>>>>>> {{/each}} > > >>>>>>>> ``` > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> >> > > >>>>>>>> >> > > >>>>>>>> >> Bob > > >>>>>>>> >> > > >>>>>>>> >> > > >>>>>>>> >> _______________________________________________ > > >>>>>>>> >> es-discuss mailing list > > >>>>>>>> >> es-discuss@mozilla.org > > >>>>>>>> >> > > > https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmail.mozilla.org%2flistinfo%2fes-discuss&data=01%7c01%7cron.buckton%40microsoft.com%7ce705066eae3849ee21f008d2bc913033%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=Vk9C%2fonHktgLCsW%2f395PrpBWefRcs6XFqJk7HTVbunE%3d > > >>>>>>>> >> > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>>> > -- > > >>>>>>>> > Cheers, > > >>>>>>>> > --MarkM > > >>>>>>>> > > > >>>>>>>> > _______________________________________________ > > >>>>>>>> > es-discuss mailing list > > >>>>>>>> > es-discuss@mozilla.org > > >>>>>>>> > > > > https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmail.mozilla.org%2flistinfo%2fes-discuss&data=01%7c01%7cron.buckton%40microsoft.com%7ce705066eae3849ee21f008d2bc913033%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=Vk9C%2fonHktgLCsW%2f395PrpBWefRcs6XFqJk7HTVbunE%3d > > >>>>>>>> > > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> -- > > >>>>>>>> Isiah Meadows > > >>>>>>>> _______________________________________________ > > >>>>>>>> es-discuss mailing list > > >>>>>>>> es-discuss@mozilla.org > > >>>>>>>> > > > https://na01.safelinks.protection.outlook.com/?url=https%3a%2f%2fmail.mozilla.org%2flistinfo%2fes-discuss&data=01%7c01%7cron.buckton%40microsoft.com%7ce705066eae3849ee21f008d2bc913033%7c72f988bf86f141af91ab2d7cd011db47%7c1&sdata=Vk9C%2fonHktgLCsW%2f395PrpBWefRcs6XFqJk7HTVbunE%3d > > >>>>>>>> _______________________________________________ > > >>>>>>>> es-discuss mailing list > > >>>>>>>> es-discuss@mozilla.org > > >>>>>>>> https://mail.mozilla.org/listinfo/es-discuss > > >>>>>>> > > >>>>>>> _______________________________________________ > > >>>>>>> es-discuss mailing list > > >>>>>>> es-discuss@mozilla.org > > >>>>>>> https://mail.mozilla.org/listinfo/es-discuss > > > > > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > es-discuss mailing list > > es-discuss@mozilla.org > > https://mail.mozilla.org/listinfo/es-discuss > > > ------------------------------------------------------------------------ > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
