hi,
my javascript skill is bad.
but i want to host some nodejs app

i am aware that there is converter to js like dtojs. but it is out of date.

i'd like to give d a try. is there any other converter available. a decent one.

On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
> i'd like to give d a try.

Why do you need to convert it to javascript? D can serve up web stuff by itself too.

On Monday, 5 November 2018 at 05:07:49 UTC, Adam D. Ruppe wrote:
> On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
>> i'd like to give d a try.
>
> Why do you need to convert it to javascript? D can serve up web stuff by itself too.

did you mean vibe.d?

but i want to use in a shared hosting environment where my options are : ruby, python, nodejs and as usual php

vibe.d as standalone app will not work.

i know kotlin with js support, but maybe there is another option ..


thanks for your answer and insight.

On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
> hi,
> my javascript skill is bad.
> but i want to host some nodejs app
>
> i am aware that there is converter to js like dtojs. but it is out of date.
>
> i'd like to give d a try. is there any other converter available. a decent one.

I haven't personally tried it, but there is an example of compiling D to Javascript here : https://github.com/Ace17/dscripten

On Monday, 5 November 2018 at 08:49:42 UTC, Laurent Tréguier wrote:
> On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
>> hi,
>> my javascript skill is bad.
>> but i want to host some nodejs app
>>
>> i am aware that there is converter to js like dtojs. but it is out of date.
>>
>> i'd like to give d a try. is there any other converter available. a decent one.
>
> I haven't personally tried it, but there is an example of compiling D to Javascript here : https://github.com/Ace17/dscripten

ok will look at it. thanks.

On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
> hi,
> my javascript skill is bad.
> but i want to host some nodejs app
>
> i am aware that there is converter to js like dtojs. but it is out of date.
>
> i'd like to give d a try. is there any other converter available. a decent one.

Let me recommend https://bridge.net/

Transpiles C# to JavaScript. I use it at work as my main tool. Feels very mature. IMO C# < D, but it still wipes the floor with using JavaScript directly.

Minority of my JavaScript is also transpiled from D. If you do the same, you will need a lot more determination and know-how than normal, and you can't except to use all D features. Multithearding and GC among other features are out.

You could use DScripten which will probably make D better in this regard, but still not like normal. Personally I haven't still tried DScripten because there is not much I could easily port to D.

The reason for that is that D cannot call most js functions directly, because it cannot handle most JavaScript types. Except if you manage to translate Emscripten headers val.h and wire.h (which are heavily templated c++) into D. I have put some effort to that, but it's not going well.

Because of the reasoms above, I don't currently recommend D as a JavaScript source for the average programmer. However, you will most likely want to make some utility programs to assist you -build scripts, mass file handling, translating configuration file formats etc. There D works very well.

Also, as said, the server backend does not have to be JavaScript - only the frontend. For backend, you can use D web frameworks -vibe.d/hunt/diamond- instead.

On Monday, 5 November 2018 at 08:49:42 UTC, Laurent Tréguier wrote:
> On Monday, 5 November 2018 at 02:51:19 UTC, Fred wrote:
>> hi,
>> my javascript skill is bad.
>> but i want to host some nodejs app
>>
>> i am aware that there is converter to js like dtojs. but it is out of date.
>>
>> i'd like to give d a try. is there any other converter available. a decent one.
>
> I haven't personally tried it, but there is an example of compiling D to Javascript here : https://github.com/Ace17/dscripten

The example I used (thanks to Cosinuns): https://github.com/cosinus2/dlang-emscripten-demo

I'd try DScripten first, though. Without, I need to compile parts of Phobos myself to JS. Plus the Emscripten linker seemingly can't link D symbols because of some bug.

I have to manually call the LLVM linker, which sometimes seems to have different ideas about what the program is calling.