Issue TS2315: Type 'ElementRef' does not support generics

While attempting to integrate @angular/materials into my application, I encountered a successful compilation with the following error messages:

webpack: Compiled successfully.
ERROR in node_modules/@angular/material/button-toggle/typings/button-toggle.d.ts(136,20): error TS2315: Type 'ElementRef' is not generic.
node_modules/@angular/material/button-toggle/typings/button-toggle.d.ts(154,104): error TS2315: Type 'ElementRef' is not generic.
node_modules/@angular/material/slide-toggle/typings/slide-toggle.d.ts(53,15): error TS2315: Type 'ElementRef' is not generic.
node_modules/@angular/material/slide-toggle/typings/slide-toggle.d.ts(55,18): error TS2315: Type 'ElementRef' is not generic.

This issue appears to be uncommon. Can anyone provide guidance on how to resolve it?

Environment details:

Angular CLI: 1.7.4
Node: 8.11.1
OS: win32 x64
Angular: 5.2.10
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cdk: 6.0.0-rc.14-29bf024
@angular/cli: 1.7.4
@angular/material: 6.0.0-rc.14-29bf024
@angular-devkit/build-optimizer: 0.3.2
@angular-devkit/core: 0.3.2
@angular-devkit/schematics: 0.3.2
@ngtools/json-schema: 1.2.0
@ngtools/webpack: 1.10.2
@schematics/angular: 0.3.2
@schematics/package-update: 0.3.2
typescript: 2.5.3
webpack: 3.11.0

Answer №1

It appears that you are utilizing the 6RC versions of @angular/material and @angular/cdk (6.0.0-rc.14-29bf024), which are likely dependent on Angular version 6.

To resolve this issue, consider downgrading the @angular/material package to the latest stable version (if your project is targeted for production) or upgrading angular to version 6.0.0-rc.6 (if your release will come after the stable release of Angular 6).

Answer №2

Feel free to use the following commands to update your Angular materials library:
npm uninstall @angular/material  --save
npm install @angular/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="82efe3f6e7f0ebe3eec2b7acb0acb6">[email protected]</a> --save

This solution worked like a charm for me.

The current version of Angular being used is 5.2.1.

Answer №3

There seems to be a dependency problem, requiring a reinstallation of dependencies.

In the package.json file, ensure your Angular version matches with "@angular/material", they should align. Afterwards, execute

npm install 

Answer №4

Our team encountered a similar issue recently. Unfortunately, upgrading to Angular 6 wasn't possible for us due to a dependency limitation. We briefly considered downgrading Material to version 5, but this was not ideal as Angular 6 addressed a critical bug with material tabs.

Surprisingly, the solution that worked for us was upgrading Node to version 8.10. The reason behind why this resolved the issue remains unclear to me, but it did the trick.

I hope this information proves helpful to you in resolving your situation.

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