Property 'get' in type 'ToastInjector' is not assignable to the same property in base type 'Injector' – Node.js

The Problem:

In Angular 16, after an upgrade, there is a problem with the syntax of the ‘get’ property in the ‘ToastInjector’ class, which implements the ‘Injector’ interface. The error message indicates a type mismatch between the ‘get’ property in the ‘ToastInjector’ class and the ‘Injector’ base class. Specifically, the type of the ‘flags’ parameter is incompatible between the ‘InjectFlags’ type expected by the base class and the actual ‘InjectOptions & { optional?: false; }’ type provided by the ‘ToastInjector’ class.

The Solutions:

Solution 1: Add "skipLibCheck":true in tsconfig file

Update the `tsconfig.json` file by adding `"skipLibCheck":true` within the `angularCompilerOptions` section, like so:

{
  "angularCompilerOptions": {
    "skipLibCheck": true
  }
}

Video Explanation:

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