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Class NameOf

Helper to get property names of an object. Useful when you need the property of an object as string. For example to map a data source to a table. It shows you the available properties and typescript is going to validate if the property really exists.

Hierarchy

  • NameOf

Index

Methods

Methods

Static property

  • property<T>(propertyName: keyof T): string

  • Returns the propertyName as string.

    example

    Set the text and value field to a drop-down component.

    export class ProductModel {
  public id: number;
  public name: string;
}

@Component({
  selector: 'app-product',
  templateUrl: './product.component.html',
  styleUrls: ['./product.component.css']
})
export class ProductComponent implements AfterViewInit {
  @ViewChild(DropdownComponent, {static: false})
  private dropdown: DropdownComponent;

  public ngAfterViewInit() {
    dropdown.textField = NameOf.property<ProductModel>('name');
    dropdown.valueField = NameOf.property<ProductModel>('id');
  }
}

    Type parameters

    • T

    Parameters

    • propertyName: keyof T

      A property name of the T object.

    Returns string

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