The template is being expanded as if the template itself is untagged. The point of this is a template tag that just does the default untagged behavior of coercing all expressions to strings and joining the whole thing together. On Wed, Dec 12, 2018 at 20:21 Mark Miller <[email protected]> wrote:
> What is the intuition behind "expand"? What is being expanded, and what is > it expanding into? > > > > On Tue, Dec 11, 2018 at 10:59 PM Isiah Meadows <[email protected]> > wrote: > >> Those names a little too generic for my liking here. What about >> `String.expand(template, ...params)`? >> >> And also, let's not try to bake a traditional template engine into the >> JS spec - syntactic template strings already work well enough. >> >> ----- >> >> Isiah Meadows >> [email protected] >> www.isiahmeadows.com >> >> On Wed, Dec 12, 2018 at 1:13 AM Michael Luder-Rosefield >> <[email protected]> wrote: >> > >> > Why not String.tag or .tagged? >> > >> > While we're at it, is there any good reason not to have something like >> this: >> > >> > ``` >> > String.template = (template : String, >> taggerFn=String.identity/tag/tagged : Function) => (keys : Array | Object) >> => taggerFn(template, (keys is Array) ? ...keys : keys) >> > // apologies for pseudo-semi-functional code >> > // having keys be an object allows template to be filled by key name >> rather than just index >> > ``` >> > This would make templates closer to the traditional usage, where the >> template comes first and is later passed values to be filled in with. >> Having the taggerFn as an argument allows for things like Isiah's >> escape-then-apply tagging examples. >> > >> > >> > On Wed, 12 Dec 2018 at 12:51 Isiah Meadows <[email protected]> >> wrote: >> >> >> >> I'm not married to `identity`, and I agree the name is probably not >> >> ideal. I'm more concerned about functionality, though. >> >> >> >> ----- >> >> >> >> Isiah Meadows >> >> [email protected] >> >> www.isiahmeadows.com >> >> >> >> On Tue, Dec 11, 2018 at 5:41 AM T.J. Crowder >> >> <[email protected]> wrote: >> >> > >> >> > On Mon, Dec 10, 2018 at 7:08 PM Isiah Meadows >> >> > <[email protected]> wrote: >> >> > > >> >> > > It'd be *way* easier to construct simple template tags if there >> was a >> >> > > built-in identity tag >> >> > >> >> > Wholeheartedly agree, a couple of months ago I considered posting >> something very similar, both for utility reasons and in hopes that it would >> be an optimization target (being a standard operation). >> >> > >> >> > I find the name `identity` unilluminating, though, partially because >> it's not quite the same meaning as the usual "identity" function (`function >> identity(x) { return x; }`), though it's close. `assemble`? >> >> > >> >> > -- T.J. Crowder >> >> _______________________________________________ >> >> es-discuss mailing list >> >> [email protected] >> >> https://mail.mozilla.org/listinfo/es-discuss >> _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss >> > > > -- > Cheers, > --MarkM >
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