angular cli Could not find module

Question

Could not find module "@angular-devkit/build-angular" from "C:\\College-Portal-master".
Error: Could not find module "@angular-devkit/build-angular" from "C:\\College-Portal-master".
    at Object.resolve (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\core\node\resolve.js:141:11)
    at Observable.rxjs_1.Observable [as _subscribe] (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\src\architect.js:132:40)
    at Observable._trySubscribe (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:44:25)
    at Observable.subscribe (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:30:22)
    at C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:99:19
    at new Promise (<anonymous>)
    at Observable.toPromise (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:97:16)
    at ServeCommand.initialize (C:\Users\Admin\AppData\Roaming\npm\node_modules\@angular\cli\models\architect-command.js:130:86)
    at process._tickCallback (internal/process/next_tick.js:68:7)
    at Function.Module.runMain (internal/modules/cjs/loader.js:745:11)

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– Nino Filiu, Commented Jan 11, 2019 at 19:28

Francisco Santorelli · Accepted Answer · 2019-01-11 19:42:37Z

1

You probably did the installation steps correctly, but didn't install properly.

Check with ng update if you have the latest angular goods.

Check with npm outdated to see if some package is being annoying to you.

In the case you have a proxy, and it is not allowing the installation of some parts of the CLI, add the proxy to node with

npm config set proxy http://proxy.company.com:8080
npm config set https-proxy http://proxy.company.com:8080

In the case the problem was with git, install git.

In the case the problem is with dependencies, be sure to update them with npm i @lacking-dependency

Also, be sure to know the difference between --save-dev and --save

answered Jan 11, 2019 at 19:42

Francisco Santorelli

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SiddAjmera · Accepted Answer · 2019-01-11 19:23:57Z

0

As it's quite clear from the error message, @angular-devkit/build-angular is not available in the installed node_modules.

Just run this:

npm install --save-dev @angular-devkit/build-angular

And you should be good.

answered Jan 11, 2019 at 19:23

SiddAjmera

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2 Comments

Talg123 Over a year ago

who says he dosent have it installed? maybe he just need to include it in the Angular module app?

SiddAjmera Over a year ago

@Talg123, Angular depends on @angular-devkit/build-angular to build the app before it could be served. It's not something that you generally add to the imports array of an NgModule.

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