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From: Dave Page <dpage@pgadmin.org>
Date: Tue, 13 Jun 2017 11:35:51 +0100
Message-ID: 
 <CA+OCxoxJJMZ3tzqFnAQ=EL+07USakio5Hp4PbiaL4hJrgF0+Mg@mail.gmail.com>
Subject: Re: [pgAdmin4] [PATCH] History Tab rewrite in React
To: Surinder Kumar <surinder.kumar@enterprisedb.com>
Cc: Ashesh Vashi <ashesh.vashi@enterprisedb.com>,
 Shruti B Iyer <siyer@pivotal.io>,
	Joao Pedro De Almeida Pereira <jdealmeidapereira@pivotal.io>,
	Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com>,
	pgadmin-hackers <pgadmin-hackers@postgresql.org>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk
Sender: pgadmin-hackers-owner@postgresql.org

On Tue, Jun 13, 2017 at 11:31 AM, Surinder Kumar
<surinder.kumar@enterprisedb.com> wrote:
>
> On Tue, Jun 13, 2017 at 3:56 PM, Dave Page <dpage@pgadmin.org> wrote:
>>
>> On Tue, Jun 13, 2017 at 11:22 AM, Ashesh Vashi
>> <ashesh.vashi@enterprisedb.com> wrote:
>> > On Tue, Jun 13, 2017 at 2:47 PM, Dave Page <dpage@pgadmin.org> wrote:
>> >>
>> >> And then I find a problem. Sigh.
>> >>
>> >> When running in the desktop runtime, under QtWekKit (the forked,
>> >> updated version that is by far the best of the browser engines we've
>> >> used), we get the attached error at startup. I don't see this under
>> >> QtWebEngine, though as we've already found, that's not usable for
>> >> other reasons.
>> >>
>> >> Is this fixable?
>> >
>> > As per 'http://qtwebkit.blogspot.in/2016/08/qtwebkit-im-back.html':
>> > "
>> > WebKit engine itself has not been updated since Qt 5.2 release. That's
>> > why
>> > it didn't support recent changes in Web standards that happened after
>> > 2013,
>> > including: new JavaScript language standard ES2015 (also known as ES6),
>> > as
>> > well as improvements in DOM API and CSS.
>> > ...
>> > "
>> >
>> > Could this be a reason?
>>
>> For the old webkit, certainly, but if you read further down, the
>> version we're using has been updated and does now claim to support
>> most of ES2015.
>
> In fact the modern browsers don't support ES6 JS so the JS files containing
> ES6 code are first transpiled using babel into JS that browsers supports.

Well, we *could* do that, but are we? I'm not sure the current code
does anything more than lint and webpack it.

-- 
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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