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 <isiahmead...@gmail.com> >> Sent: 9/13/2015 4:15 PM >> To: Mark S. Miller <erig...@google.com> >> Cc: Bob Myers <r...@gol.com>; es-discuss <es-discuss@mozilla.org> >> 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 >> >> >
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