dart-polymer/Lobby

Discussions about polymer-dart

Vittorio Ballestra

@dam0vm3nt

I don't like that approach. I prefer modularity (like in dartdevc).

polymer project demonostrate that you can achieve good performance with a modular approach.

Jonas Bojesen

@jonboj

you have got a point. Maybe strong type and dead code removal gives harder static analysis, better libs and so one.

There was a heated discussion on the github issue (discussion now closed), my point is things could maybe get less heated, if some of the underlying architecture/technology concerns are referenced more.

markhats

@markhats

@dam0vm3nt so you won't be able to cast custom elements back to Dart classes with dart2ts? Or do you have another plan for that?

Jonas Bojesen

@jonboj

I have used considerable time trying to understand. That gives a background to build a impression that it is the technology concerns that makes the dart team very hesitating regarding Web Components.

If I just subscribed to the issue without studying the level below, very hard to understand why the dart team don't put full force into Web Components (it an Google thing, heavy promoted by the Chrome people).

Vittorio Ballestra

@dam0vm3nt

Sorry I was writing about dart2js. I mistyped it. dart2ts will be ok with that. Its approach is more similar to dartdevc and it's all about js interoperability.

markhats

@markhats

@jonboj Not sure of the internal situation but basically the Dart team were very pro web components to start with. I think web-ui in Dart was the first really test of them! Then suddenly AngularDart seemed to come along and now anything that doesn't relate to that (or Flutter) doesn't seem to get any priority at all.

@dam0vm3nt that's a relief!

Vittorio Ballestra

@dam0vm3nt

Don't know the politics neither. I think that web components are the right way to go imho.

markhats

@markhats

I agree!

Looking at dart-lang/sdk#27445 though, I don't think they are going to be supported by the Dart team any time soon.

Vittorio Ballestra

@dam0vm3nt

Rather than trying to impose a new language on the browser the polymer team decided to go with a longer way but the correct one imho : to work with the browser main players (safari, ie/edge, firefox), with the community (mozilla to name one) and with the standard .

three years ago they were dreamers. Now most browser are embracing those standard and supporting it.

They lost htmlimport in the way but gained es6 module imports and htmltemplate, css variables, shadow doms and a lot of great tools. so ... who cares ?

Jonas Bojesen

@jonboj

Web components don't exclude AngularDart. I am also very uncertain if web components will be supported by dart sdk

Vittorio Ballestra

@dam0vm3nt

Not at all. I agree. But at the moment they don't support it in dart.

markhats

@markhats

The loss of htmlimport is a bit of a shame I think but I guess you can still use html and convert at the build stage?

Vittorio Ballestra

@dam0vm3nt

let's see what will happen when 2.0 will be out (really not only on the site announcement).

Jonas Bojesen

@jonboj

Fair not to work on Web Component support and even drop it. But the arguments where proxy type not technical and that triggered people (I didn't participanted).

Vittorio Ballestra

@dam0vm3nt

I think polymer counts on ide support for having html support inside javascript (like completion, cross references ecc. ). But there's a tool for embedding it during the build too.

intellij already understands it a bit.

markhats

@markhats

Yes, I guess that once the ide's catch up, it won't be such an issue.

Jonas Bojesen

@jonboj

does Polymer work nice with TypeScript?

Vittorio Ballestra

@dam0vm3nt

polymer3 will support it officially ... (no comment)

Jonas Bojesen

@jonboj

At the moment I dont work with web, but in current situation TypeScript will be the choice.

markhats

@markhats

I think Dart will be a great choice once dart2ts is up and running.

Best of both worlds then!

Jonas Bojesen

@jonboj

;-)

Jonas Bojesen

@jonboj

How does it work for native html types like ButtonElementthey have some hardcoded mapping and hence work? github.com/dart-lang/sdk/blob/master/sdk/lib/html/dart2js/html_dart2js.dart

Simone Alessandrelli

@simonealessandrelli

I really don't understand some google choices but anyway we get to find also workaround in cases like that...and in that case dart2js will be a good solution in my opinion

I really dont want to write more js code then dart in any frontend project I will be doing

Don

@donny-dont

the lit-html stuff from yesterday was really interesting

Simone Alessandrelli

@simonealessandrelli

i've just finished to watchit

along with mounica presentation of new pwa

justin is a great developer btw

Don

@donny-dont

justin used to be on the dart team

Simone Alessandrelli

@simonealessandrelli

he created the cli and I can say ...they managed to give us a nice cli

Don

@donny-dont

for polymer?

npm doesnt like the pwa starter kit for me

Simone Alessandrelli

@simonealessandrelli

it lacks just one thing ...the cache busting in build process

yes for polymer

My team faced this problem for a very big project we had because we use polymer and polymer cli

our programmers (me included) like dart as language, I really dont understand why google refuse to put this things (dart and polymer) togheter

Don

@donny-dont

@dam0vm3nt so is dart2js inserting some code that’s conflicting?

David Keen

@TheKeenProgrammer

Hello, does anyone know how to convert a byte array to a float?

markhats

@markhats

Hi @dam0vm3nt . Is the dart polymer/dart2ts project still alive? I haven't seen any work on it recently. Hoping it's still going to be something I can use in the future. Thanks!

Vittorio Ballestra

@dam0vm3nt

Dart2Ts 0.9.9 is out!

Check out how you can translate your dart code to typescript and easily integrate into the typescript/javascript/nodejs ecosystem with your dart package!

https://pub.dartlang.org/packages/dart2ts

markhats

@markhats

Great - will take a look. I thought you'd disappeared!

Vittorio Ballestra

@dam0vm3nt

actually I was working in the background. It has been a tough work to port the most of the dart core library to ts ...

Vittorio Ballestra

@dam0vm3nt

it's far from a complete work but it is something. I've successfully translated a bit project (only had to fix some nifty pieces of code). But it shows its potential. I'll write some tutorial one of this days showing how to use it. Anyway there still work to do and I hope to gather some volunteer sooner or later to help with it.

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