It can also be quite useful in Node, to center things printed to the terminal.
Il mer 22 ago 2018, 17:57 Naveen Chawla <[email protected]> ha scritto: > Isn't "bluetooth printer" too niche a use case? Any other examples? > > On Wed, 22 Aug 2018 at 17:59 Ricardo Zorzal <[email protected]> > wrote: > >> >> Isiah Meadows , don't have any problems in combine this two functions, >> but if it can be done with a native functions it could pass more >> confiability to javascript functions, avoiding polyfills, like I do. >> >> In the past, when we did not had padStart and padEnd, we were using some >> polyfills functions to construct this two functions for us, then the >> comunity looked at this features and then started to implementing it. BTW, >> I do not know why we did not implementing this function when the padStart e >> padEnd was developed too. >> >> And again, I think it's not hard to be done, but necessary. And Claude >> Pache, thanks for your exemple. >> >> Naveen Chawla, yes this is the idea, as the same as the other "pad" >> functions, and look at the exemple from Claude Pache, it can be done like >> he coded. >> >> I hope you guys understending that this is necessary to growth the >> language and make it more pratical than now. >> >> Perhaps has other developers searching for this solution and they seen it >> in libs, polyfills and frameworks, but they do not like the idea to import >> other lib in the project just to use this feature. >> >> And again, it seems not hard to be done. >> >> >> Att, >> >> *Ricardo Zorzal Davila * >> ------------------------------ >> *De:* es-discuss <[email protected]> em nome de Claude >> Pache <[email protected]> >> *Enviado:* quarta-feira, 22 de agosto de 2018 04:49 >> *Para:* Naveen Chawla >> *Cc:* [email protected] >> *Assunto:* Re: proposal: String.prototype.padCenter >> >> ```js >> x.padStart((x.length + 32)/2).padEnd(32) >> ``` >> >> (BTW, I don’t like this habit of top-posting the reply. Please look below >> for the question I’m answering, and read the mail backwards for more >> context.) >> >> —Claude >> >> Le 22 août 2018 à 05:47, Naveen Chawla <[email protected]> a écrit : >> >> How would you combine padStart and padEnd to get the desired result? Just >> curious, because the idea would be to create a minimum of 32 chars with the >> original string centered inside the "padding" (if there is any) >> >> On Wed, 22 Aug 2018 at 07:26 Isiah Meadows <[email protected]> >> wrote: >> >> What's wrong with combining `padStart` with `padEnd`? I'm not sure this >> is worth it, since you can easily emulate it anyways (as you stated). >> On Tue, Aug 21, 2018 at 16:44 Ricardo Zorzal <[email protected]> >> wrote: >> >> Hello guys, I here to talk about padStart, padEnd and my new proposal >> "padCenter", I think it is not hard to develop because we already had >> padStart and padEnd. >> >> I thought that we need to add one more feature to String's prototype, and >> it is not a hard work. So the proposal is to create the >> String.prototype.padCenter that centralize a string with a max character >> lenght, equals we do when call the "pad" functions. >> >> For exemple, when we call padStart >> >> ```javascript >> "MY-TEST".padStart(32) >> //result: " MY-TEST" >> ``` >> >> and when we call padEnd: >> >> ```javascript >> "MY-TEST".padEnd(32) >> //result: "MY-TEST " >> ``` >> >> how about that: >> >> ```javascript >> "MY-TEST".padCenter(32) >> //result: " MY-TEST " >> ``` >> >> I'm searching it for a long time and I seen people talking about it in >> different use cases. But for me it will be usefull when I need to send some >> text data to my bluetooth printer, becouse the length of his line is 32 and >> I need to centralize the data and adjust the line to right and left. >> >> I think this feature can improve the language and it will be useful for >> other developers like me. >> >> Although we has libs that has an implementation of it >> https://lodash.com/docs#pad >> http://gabceb.github.io/underscore.string.site/#pad >> https://vocajs.com/#pad >> I think it can be done for native functions too >> >> And it is native for other languages, such as: >> 1. PHP ( >> https://www.w3schools.com/php/showphp.asp?filename=demo_func_string_str_pad3 >> ) >> 2. Python ( >> https://docs.python.org/2/library/string.html#string.center) >> 3. Ruby (https://ruby-doc.org/core-2.2.0/String.html#center-method) >> 4. R ( >> https://www.rdocumentation.org/packages/stringr/versions/1.3.1/topics/str_pad >> ) >> 5. etc... >> >> >> What do you guys think ? >> >> ( We can call it "pad" instead of "padCenter" haha ) >> >> >> Att, >> >> *Ricardo Zorzal Davila * >> _______________________________________________ >> 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 >> >> _______________________________________________ >> 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 >
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