Re: [IBMiOSS] How to debug NodeJs ? -- OPENSOURCE

Hi Kevin

ok now is better ..

but when i try to debug a very simple js file i receive this error (in VS Code debug view)

Error: Cannot find module '/QOpenSys/QIBM/ProdData/OPS/Node6/os400/db2i/lib/db2a' at Function.Module._resolveFilename (module.js:469:15) at Function.Module._load (module.js:417:25) at Module.require (module.js:497:17) at require (internal/module.js:20:19) at Object.<anonymous> (\\192.168.50.8\angelo\nodewebix\server.js:5:10) at Module._compile (module.js:570:32) at Object.Module._extensions..js (module.js:579:10) at Module.load (module.js:487:32) at tryModuleLoad (module.js:446:12) at Function.Module._load (module.js:438:3)

i checked and in my As400 this file exist ..

where am i wrong and why in normal run i don't receive thsi error

thanks

________________________________
Da: OpenSource <opensource-bounces@xxxxxxxxxxxx> per conto di Kevin Turner <kevin.turner@xxxxxxxxxxxxxx>
Inviato: mercoledì 26 luglio 2017 11:26:51
A: IBMi Open Source Roundtable
Oggetto: Re: [IBMiOSS] How to debug NodeJs ?

Make sure you are using VS Code (not VS). The two are completely different.

When you are using the debug option you are running the code within VS - it prompts you to create a profile to describe how it should launch the application (i.e. which module to run). You don't need a browser for debugging. You only need that if your application is a browser-based application, so you would use the browser to interact with your app.

You'd be much better off following a VS Code debugging tutorial than asking on here.

________________________________________
From: OpenSource [opensource-bounces@xxxxxxxxxxxx] on behalf of john art [jhon_art@xxxxxxxxxxx]
Sent: 26 July 2017 10:19
To: IBMi Open Source Roundtable
Subject: Re: [IBMiOSS] How to debug NodeJs ?

[External Email]
________________________________

Hi

sorry but I have some difficulties to understand how VS debugger works ;

- i open the source in VS

- start debug in VS

- then i have to start the app with node ($ node index) ?

- then i have to open in browser my ?

sorry but don't undesrtand how to use/run it ..

can some one help me suggesting sone stesp by step link

Thanks in advance

________________________________
Da: OpenSource <opensource-bounces@xxxxxxxxxxxx> per conto di Brian May <bmay@xxxxxxxxxxxxxxxxx>
Inviato: giovedì 20 luglio 2017 17:49:36
A: IBMi Open Source Roundtable
Oggetto: Re: [IBMiOSS] How to debug NodeJs ?

We also use VS Code for debugging. It is a very easy debugging environment.

Brian May
Director
Pre-Sales and Customer Solutions
Profound Logic Software
http://www.profoundlogic.com
937-439-7925 Phone
877-224-7768 Toll Free

The IBM i Modernization Experts
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-----Original Message-----
From: OpenSource [mailto:opensource-bounces@xxxxxxxxxxxx] On Behalf Of Kevin Turner
Sent: Thursday, July 20, 2017 10:42 AM
To: IBMi Open Source Roundtable <opensource@xxxxxxxxxxxx>
Subject: Re: [IBMiOSS] How to debug NodeJs ?

I use VS code for debugging because our stuff is generally platform agnostic. We also use winston for logging - so you can output debug logs when running in debug mode that don't clutter logs in prod mode.

[https://www.netcracker.com/assets/img/netcracker-social-final.png] ƕ On 20 Jul 2017, at 16:34, Aaron Bartell <aaronbartell@xxxxxxxxx> wrote:

[External Email]
________________________________

Hi John,

Debugging Node.js can be done in a variety of fashions. Here's what I
currently do...

- REPL. The Node.js REPL is great for quickly testing smaller chunks
of code in PASE. I use this frequently to test my iterations of
formulating the correct parm lists for calling RPG programs.

- console.log(). Not ideal, but it works.

- If the code is platform agnostic then you can use the VSCode step
debugger (note this will eventually work for Node.js in PASE once IBM
addresses the node-inspector issue).

- Certain web frameworks have debug output capabilities while in
development mode. For example, ExpressJs debugging
<https://expressjs.com/en/guide/debugging.html>.

Aaron Bartell
IBM i hosting, starting at $157/month. litmis.com/spaces

On Wed, Jul 19, 2017 at 12:35 PM, john art <jhon_art@xxxxxxxxxxx> wrote:

if node-inspecto don't work (if i wel understand) , how can i debug
nodeJs ?

Thanks in advance

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