Am I being naive or could this just be written in user space? Sent from my iPhone
> On 12 Aug 2015, at 15:31, Edwin Reynoso <[email protected]> wrote: > > Yes of course, still requires 1.Destructuring, and making a function for each > type of string to return. Defeats the purpose. > > I'd have to make different functions for each template: > > ```JS > const yearTemplate = ({ year }) => `This year is ${year}`; > > const ageTemplate = ({ age}) => `I'm ${age} yrs old`; > ``` > > Compare to: > > ```JS > let yearSentence = String.substitute({ year: 2015}, `This year is ${year}`); > let ageSentence = String.substitute({ age:100 }, `I'm ${age} yrs old`); > ``` > >> On Wed, Aug 12, 2015 at 10:19 AM, Claude Pache <[email protected]> >> wrote: >> >> > Le 12 août 2015 à 15:41, Edwin Reynoso <[email protected]> a écrit : >> > >> > Could we make the following possible, I can't seem to think of a way to do >> > it, since template literals are evaluated with the current scope, also >> > tried with `eval` but shouldn't even use that at all: >> > >> > ```JS >> > String.substitute( { year: 2015 }, `This year is ${year}` ); // Returns >> > "This year is 2015" >> > ``` >> > >> > Yes I'm aware I could do the following: >> > >> > ```JS >> > var obj = { year:2015 } >> > >> > `This year is ${obj.year}` >> > ``` >> > >> > The point is to get rid of the part where I reference `obj` all the time. >> > >> > I could just use destructuring: >> > >> > ```JS >> > var { year } = { year: 2015 } >> > >> > `This year is ${year}` >> > ``` >> > >> > So yes destructuring takes care of most of this just fine, but the point >> > is to have a template literal evaluate as a pass reference and not right >> > away. >> > >> > You can't make your own function and pass in a template literal that's not >> > evaluated when passed as a reference, I'm not sure if anyone will actually >> > want this but me. Please let me know. Thanks >> >> There is a general trick for deferring evaluation (of a template literal or >> of anything else): enclosing it in a function. >> >> ```js >> const myTemplate = ({ year }) => `This year is ${year}` >> >> myTemplate({ year: 2015 }) >> ``` >> >> —Claude > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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