Is it possible for me to incorporate a new feature into a library that operates using its unique interface?

I'm currently utilizing the angular-gridster2 library and I am looking to add two additional properties in the gridsterItem interface to hold some specific values. How can this be achieved? Despite creating an extended interface of their own, the package seems to prioritize its internal property.

export interface GridsterItemCustomInterface extends GridsterItemComponentInterface {
  customProperty1?: boolean;
  customProperty2?: Config;
}

Answer №1

To enhance the existing interface, TypeScript module augmentation can be utilized.

import { GridsterItemComponentInterface } from 'angular-gridster2';

// Extend the module with the new interface properties
declare module 'angular-gridster2' {
  interface GridsterItemComponentInterface {
    additionalProperty?: boolean;
    extraProperty?: Config;
  }
}

// The extended interface can now be used with the added properties
export interface CustomGridsterItemInterface extends GridsterItemComponentInterface {
  additionalProperty?: boolean;
  extraProperty?: Config;
}

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