```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] > <mailto:[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] > <mailto:[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 <https://lodash.com/docs#pad> > http://gabceb.github.io/underscore.string.site/#pad > <http://gabceb.github.io/underscore.string.site/#pad> > https://vocajs.com/#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 > <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 > <https://docs.python.org/2/library/string.html#string.center>) > 3. Ruby (https://ruby-doc.org/core-2.2.0/String.html#center-method > <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 > > <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] <mailto:[email protected]> > https://mail.mozilla.org/listinfo/es-discuss > <https://mail.mozilla.org/listinfo/es-discuss> > _______________________________________________ > es-discuss mailing list > [email protected] <mailto:[email protected]> > https://mail.mozilla.org/listinfo/es-discuss > <https://mail.mozilla.org/listinfo/es-discuss> > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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