Extending webpack config

[iamyojimbo]

OS?

OSX v 10.11.4

Versions

angular-cli: 1.0.0-beta.11-webpack
node: 6.2.2
os: darwin x64

Repro steps.

• App created with CLI (webpack).
• I am trying to use a package lokijs. I ran npm install --save lokijs.
• In my code, I then do: var loki = require("lokijs");
• I receive this error on ng build:

ERROR in ./~/fs/index.js
Module build failed: Error: ENOENT: no such file or directory, open '/Users/savvas/code/tlbiolabs/node_modules/fs/index.js'
    at Error (native)
 @ ./~/lokijs/src/lokijs.js 1141:16-29
 @ ./src/app/shared/services/data-sync/pouch-loki-sync.ts
 @ ./src/app/shared/services/data-sync/index.ts
 @ ./src/app/shared/services/data.service.ts
 @ ./src/main.ts
 @ multi main

• This is a known issue with lokijs and webpack, reported here and even with another package, plugjs, here.
• The solution is to add fs: 'empty' to webpack.config.js
• I can't see any way to extend the internal config of the CLI. Is this possible?

The log given by the failure

(as above)

[TheLarkInn]

I think that's more than doable. @iamyojimbo would you like to submit a PR?

[iamyojimbo]

@TheLarkInn I would love to. Can you point me in the right direction on how to get this done technically as I'm only 4 days into angular-cli at the moment?

We would have a webpack.config.js at the root, and literally any property you put in there would override whatever is in the defaults in CLI? So we would built the defaults webpack object, then pass it through something which blindly overrides with the custom config?

Too simplistic? Are there any other considerations?

[petomalina]

This could be a good inspiration. https://github.com/AngularClass/angular2-webpack-starter

Feels like these are important:
https://github.com/AngularClass/angular2-webpack-starter/blob/master/webpack.config.js
https://github.com/AngularClass/angular2-webpack-starter/tree/master/config

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