What steps can I take to fix the Error: Module not found "." in Ionic 3?

While working on building an ionic project for production, everything runs smoothly in debug mode. However, when I try to serve it, no errors appear. But when attempting to build or run android, two different errors are thrown. Despite checking in IDEs like VS Code or Webstrom and not seeing any errors or imports after 'ionic-angular,' the following issues persist:

Error: Cannot find module “.”

A possible solution could be reducing the TypeScript version, but that is not feasible as the latest TypeScript version is required for RxJS 6.*, which cannot be downgraded either. Exhausted all other potential solutions found online.

The connection to the server was unsuccessful. (file ///android_asset/www/index.html)

Although this error is not a major concern at the moment.

Note: None of the similar titled questions on Stack Overflow have provided a resolution. Therefore, this is not a duplicate issue.

https://i.sstatic.net/PNcU5.png

angulartypescriptionic-frameworkionic3

Answer №1

After conducting extensive research and development, I finally discovered the solution to my issue. The main problem lies in the fact that Ionic 3 does not support rxjs6, and since I was using Angularfire in my project which required rxjs6, I encountered a roadblock. What was the solution then?

The workaround is to create a new project and if you are utilizing Firebase, connect with an older version - preferably 4.12.1 as newer versions come with type definitions that require upgrading TypeScript. If you wish to avoid this hassle, connect with Angularfire2 instead of Angularfire. Initialize it, generate a production build, and replace the pages, services, and assets folders. Install any necessary plugins or packages, define the pages and services in the app module, and carefully copy and paste your app.component HTML, SCSS, or CSS code. Make sure to rectify the AngularFire path if applicable, and adjust any queries accordingly.

This was the specific hurdle I faced, but you may encounter different challenges. Be sure to check for any plugin or package updates related to rxjs/typescript that could potentially cause similar errors.

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