When using Angular version 13 alongside rxjs 7.4 and TypeScript 4+, an issue arises with the error message: "Declaration file for module 'rxjs' not found"

Currently embarking on a new Angular app using V13 and rxjs7.4, I encountered the error shown above when trying to import:

import { BehaviorSubject } from 'rxjs';

Initially, I attempted to address this by creating a typings.d.ts declaration as suggested, which did eliminate the error but led to another one. Upon further investigation, I came across a comment related to V12 made by user zijianhuang on May 17:

"Angular 12 with rxjs 7.0.1 could be built and run, however, the VS IDE could not check reference. And tsconfig with strict=true has NG CLI complaining no reference to rxjs could be found and suggesting downloading type info."

As a workaround, I modified my tsconfig to set strict-false, resulting in the disappearance of the rxjs error. However, I am fully aware that this is just a temporary solution. My question now is whether there exists a permanent fix for this issue?

Answer №1

To effectively address this problem, it is recommended to utilize @types from npm by executing the following command:

npm install @types/rx --save-dev

If you need further details, please refer to this npm page.

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