hey everyone - new at kotlin javascript... trying ...

# javascript

[carolos]

hey everyone - new at kotlin javascript... trying to use ktor http client and I am getting this error.
I can see in my web directory I have ktor-client-js.js

-.kt

[napperley]

If your'e using IntelliJ can you please output what is shown in External Libraries (inside the Project window).

[napperley]

What JS scripts are registered in HTML for the project, and in what order?

[napperley]

Showing the contents of HTML used by the project would be helpful.

[carolos]

image.png

[carolos]

it's a nodejs app - so there isn't html

[Alexander]

How do you run your application?

[carolos]

gradle build && node web/output.js

[Alexander]

I'm also trying to run ktor http client on nodejs

[Alexander]

You should add environment variable `NODE_PATH`:

NODE_PATH=web node web/output.js

[Alexander]

But then I've got exception:

/home/alexk/projects/elastic-driver/web/kotlinx-coroutines-core.js:2687
    throw new DispatchException('Unexpected exception running ' + this, e);
    ^
DispatchException: Unexpected exception running DispatchedContinuation[NodeDispatcher@1, [object Object]]; caused by ReferenceError: window is not defined
    at DispatchedContinuation.DispatchedTask.run (/home/alexk/projects/elastic-driver/web/kotlinx-coroutines-core.js:2687:11)
    at Timeout._onTimeout (/home/alexk/projects/elastic-driver/web/kotlinx-coroutines-core.js:19743:17)
    at listOnTimeout (timers.js:324:15)
    at processTimers (timers.js:268:5)

[carolos]

ha thought I tried that before!

[carolos]

have the same error as you now

[carolos]

are you using my gradle file?

[Alexander]

No, I have my own test project that I curious to run on nodejs

[napperley]

Have you tried using Ktor Client (JS ver) via Gradle instead of Node?

[carolos]

is there a node version?

[napperley]

Noticed in the External Libraries list that Ktor Client (JS ver) has been copied, yet some other Kotlin JS libs are being included via Gradle.

[napperley]

What is the output from the source sets in the Gradle window. Are there any red squiggles?

[carolos]

image.png

[napperley]

Be sure to try out using Ktor Client (JS ver) without Node (just use Gradle), and see if the program runs fine. Presumably Ktor Client (JS ver) doesn't require Node?

[carolos]

it will probably run because window is something that comes from a web browser...

[carolos]

here is most of my code

[carolos]

https://gist.github.com/carolosf/5ed4598ad32282eb99369f2e06e7d991

[carolos]

it looks as though node should be supported

[carolos]

https://github.com/Kotlin/kotlinx.coroutines/blob/d6a5a399d1724ff56bbb285b25df071dbc98b715/js/kotlinx-coroutines-core-js/src/CoroutineContext.kt#L24

[napperley]

Presumably you are trying to do some UI testing using a major Web Browser?

[carolos]

no I want to make a node js web server using express js and use ktor http client to call restful APIs

[carolos]

btw it gets futher in a web browser but is stopped by cors - added a comment to my github gist

[Alexander]

Ktor client for js requires window.fetch function: https://github.com/ktorio/ktor/blob/master/ktor-client/ktor-client-core/ktor-client-core-js/src/io/ktor/client/engine/js/JsUtils.kt#L38

[Alexander]

I managed to write an engine for the HttpClient that uses https://nodejs.org/api/http.html

[carolos]

Nice have you created a pull request?

[Alexander]

Need some time to finish. I'm not familiar with javascript and node. And for PR there also should be some tests.

[carolos]

Let me know if you would like a hand or code review. Try copy the existing tests