import { ChangeDetectorRef, EmbeddedViewRef, Pipe, PipeTransform } from '@angular/core';
import { coerceArray } from '@angular/cdk/coercion';

@Pipe({
  name: 'call',
})
export class CallPipe<T> implements PipeTransform {

  context: T;

  constructor(embeddedViewRef: EmbeddedViewRef) {
    this.context = embeddedViewRef.context;
  }

  transform<M extends (this: T, ...arg: unknown[]) => unknown>(calledFunction: M, params: Parameters<M> | Parameters<M>[0]): ReturnType<M> {
    return calledFunction.apply(this.context, coerceArray(params));
  }

}