> We do this on our front end where we replace certain emojis with our custom brand icons.
Seems like something `.replace` can already do for you? On Thu, May 17, 2018 at 11:44 AM, Andrea Giammarchi < andrea.giammar...@gmail.com> wrote: > I agree map is not really a good fit for strings but this looks like yet > another use case for `::` operator > > ```js > const map = [].map; > > str::map(codeUnits); > [...str]::map(codePoints); > ``` > > Why didn't that proposal made it again? It would make *every* request to > add prototypal methods redundant! > > Regards > > > On Thu, May 17, 2018 at 7:12 PM, Jordan Harband <ljh...@gmail.com> wrote: > >> What's the use case where you'd want to map over every (character / code >> point / grapheme / whatever) in a string, and apply the same callback logic >> to each one? >> >> On Thu, May 17, 2018 at 9:21 AM, kdex <k...@kdex.de> wrote: >> >>> Yeah; I am aware that ES2015 added measures that make it possible >>> iterate over >>> codepoints, but that was not quite my point. The problem that I see is >>> that in >>> some scenarios it makes sense to think of a string as an array of bytes, >>> and >>> sometimes you need to iterate over a string in terms of its codepoints. >>> Some >>> might even want to iterate in terms of visible glyphs, taking combining >>> marks >>> into account. >>> >>> This ambiguity makes `String.prototype.map` moot, as it remains >>> questionable >>> what exactly should be iterated. Bytes? Codepoints? Entire glyphs? >>> >>> On Thursday, May 17, 2018 5:41:32 PM CEST you wrote: >>> > Yeah; I am aware that ES2015 added measures that make it possible >>> iterate >>> > over codepoints, but that was not quite my point. The problem that I >>> see is >>> > that in some scenarios it makes sense to think of a string as an array >>> of >>> > bytes, and sometimes you need to iterate over a string in terms of its >>> > codepoints. Some might even want to iterate in terms of visible glyphs, >>> > taking combining marks into account. >>> > >>> > This ambiguity makes `String.prototype.map` moot, as it remains >>> questionable >>> > what exactly should be iterated. Bytes? Codepoints? Entire glyphs? >>> _______________________________________________ >>> 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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