Re: [Koha-devel] ES6 usage in the staff client

[Paul A]

[apologies for top-posting]  All our cataloguers' work stations use 
Opera (v.44) which (from dev.opera):


"Opera now [version 29] supports ES6 classes in strict mode, providing 
the following features: prototype-based inheritance, constructors, super 
calls, instance methods, and static methods."


Can you confirm that "strict" mode (for whatever values that might have) 
is what you have in mind?


Thanks
--
Paul
Tired old sys-admin

On 2017-08-03 07:23 PM, Jesse wrote:
As part of my work with Preact (and previous work with React), I've been 
unsure what to do about these libraries' enthusiasm for ES6.


If you're not familiar, ES6 (or ES2015) is a recent, major update to the 
JavaScript standard, and brings in a number of improvements to the 
language. Many of these make small parts of JS development a bit more 
pleasant, but the most relevant addition is native class support.


These built-in classes have been embraced by a lot of modern JS 
libraries, including Preact. The commonly accepted way to write code in 
this libraries depends on support for classes, either from the browser 
itself or a transpiler like Babel. To use Preact, we have two options:


   * Use ES6 classes. This will work in Firefox 45+ (which includes two 
ESR releases), Chrome 42+, Edge and Safari 9 [1][2]. I believe this is a 
very reasonable set of browsers, for the staff client.
   * Use a shim for ES3 support (see [3] for an example of how this 
might work). This can be done, but locks us to an older and less-used 
way of developing on Preact/React.


I strongly prefer the first option, but would like your feedback.

[1] http://kangax.github.io/compat-table/es6/#test-class (Check "show 
obsolete platforms", and get ready for your browser to slow down.)
[2] http://caniuse.com/#feat=es6-class (This is pessimistic; FF has had 
support since version 45.)

[3] https://github.com/developit/preact-in-es3/blob/master/index.js

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Re: [Koha-devel] ES6 usage in the staff client

[Michael Kuhn]

Am 04.08.2017 um 13:48 schrieb Owen Leonard:

   * Use ES6 classes. This will work in Firefox 45+ (which includes two ESR
releases), Chrome 42+, Edge and Safari 9


I'm leaning towards this option, but it would be nice to get some
feedback from users (or from support companies who ask their users?)
who might be required by their workplace to use IE.

What are you working on?


In 
https://koha-community.org/manual/17.05/html/00_intro.html#koha-recommendations 
the documentation says: "When working in the Koha staff client it is 
strongly recommended that you use the Firefox browser. Koha’s staff 
client is not supported in Internet Explorer and has not yet been fully 
optimized for Google Chrome."


Personally I am working with Mozilla Firefox 54.0.

But a lot of Koha staff users still work on MS Internet Explorer and 
usually they are FORCED to do so by their IT departments. Probably many 
or even most library users are also using the MS Internet Explorer when 
accessing the OPAC, so I think this unloved webbrowser definitely has to 
be supported in one way or the other (if not both).


Best wishes: Michael
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Re: [Koha-devel] ES6 usage in the staff client

[Owen Leonard]

>   * Use ES6 classes. This will work in Firefox 45+ (which includes two ESR
> releases), Chrome 42+, Edge and Safari 9

I'm leaning towards this option, but it would be nice to get some
feedback from users (or from support companies who ask their users?)
who might be required by their workplace to use IE.

What are you working on?

 -- Owen

-- 
Web Developer
Athens County Public Libraries
http://www.myacpl.org
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Re: [Koha-devel] ES6 usage in the staff client

[Tomas Cohen Arazi]

I think ES6 is broadly implemented in browsers (even edge) so it wouldn't
make sense to complicate the dev workflow without an obvious gain.

El jue., 3 de ago. de 2017 8:24 PM, Jesse  escribió:

> As part of my work with Preact (and previous work with React), I've been
> unsure what to do about these libraries' enthusiasm for ES6.
>
> If you're not familiar, ES6 (or ES2015) is a recent, major update to the
> JavaScript standard, and brings in a number of improvements to the
> language. Many of these make small parts of JS development a bit more
> pleasant, but the most relevant addition is native class support.
>
> These built-in classes have been embraced by a lot of modern JS libraries,
> including Preact. The commonly accepted way to write code in this libraries
> depends on support for classes, either from the browser itself or a
> transpiler like Babel. To use Preact, we have two options:
>
>   * Use ES6 classes. This will work in Firefox 45+ (which includes two ESR
> releases), Chrome 42+, Edge and Safari 9 [1][2]. I believe this is a very
> reasonable set of browsers, for the staff client.
>   * Use a shim for ES3 support (see [3] for an example of how this might
> work). This can be done, but locks us to an older and less-used way of
> developing on Preact/React.
>
> I strongly prefer the first option, but would like your feedback.
>
> [1] http://kangax.github.io/compat-table/es6/#test-class (Check "show
> obsolete platforms", and get ready for your browser to slow down.)
> [2] http://caniuse.com/#feat=es6-class (This is pessimistic; FF has had
> support since version 45.)
> [3] https://github.com/developit/preact-in-es3/blob/master/index.js
>
>
> --
> Jesse Weaver
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-- 
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