Encountering difficulties in generating a personalized Angular Element

Currently, I am in the process of developing a custom Component that needs to be registered to a module. Here is how it is being done:

app.module.ts

import { createCustomElement } from "@angular/elements";

@NgModule({
  declarations: [ExtensionComponent],
  entryComponents: [ExtensionComponent],
  imports: [BrowserModule],
  bootstrap: []
})
export class AppModule {
  constructor(private injector: Injector) {
  }

  ngDoBootstrap() {
    const extension = createCustomElement(ExtensionComponent, { injector: this.injector });
    customElements.define('caas-extension', extension);
  }
}

However, during this process, I encountered an error at the last line where I define the custom element "extension".

Error

Argument of type 'NgElementConstructor<unknown>' is not assignable to parameter of type 'CustomElementConstructor'.

I have also updated the CLI version as suggested in another answer related to a similar issue. Below are the details of my current versions:

Angular CLI: 9.1.0-rc.0
Node: 12.13.0
OS: win32 x64
Angular: 9.1.0-rc.2

Answer №1

Experiencing a similar problem, I managed to solve it by reverting my changes in git to previous versions on the package.json file and then updating it with the command: ng update @angular/core --next

Hopefully, this solution will also work for you.

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