Question: How did you avoid typescript errors not finding node modules?

[da-mkay]

Hi there, nice project! I'm trying to figure out how some things work in your project for better understanding 😄 I hope it's okay to post a question here 👼 .

When importing a node-module in your AppComponent, for example using the following line, it just works:
import * as fs from 'fs';

However, if I try to set up an Angular project manually that I can later open in electron, I am not able to compile, because I get the following error:
error TS2307: Cannot find module 'fs'.
What I did:
I created a simple new Angular 7 app + added a custom webpack config (listing 'fs' as external as in your webpack config) + updated angular.json to use that config (using @angular-builders/custom-webpack:browser and customWebpackConfig-option, exactly as you did). Then run ng build.
NOTE: @types/node and @angular-devkit/build-angular are installed and my editor (VSCode) is not showing any error.

Am I missing something? How do I get the ts-code compiled?

Best regards

[just-jeb]

Sounds like tsconfig.json issue. Did you override typeRoots by any chance? Maybe Angular build is picking the wrong config?
If you have provided a repository with reproduction I would have had more chances to help you out.

[da-mkay]

Nope, I didn't touch the tsconfig, just using Angular's defaults. I set up a project here. There are just 2 commits. The first one is the output of ng new and the second adds the custom_webpack builder and a custom webpack config declaring fs module as external. Running ng build shows the error that fs is not found. I can fix this by setting "types": ["node"] intsconfig.app.json, but that doesn't seem to be right and in your project it's also not set.