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/TypeScript

global-plugin.d.ts

// Type definitions for [~THE LIBRARY NAME~] [~OPTIONAL VERSION NUMBER~]
// Project: [~THE PROJECT NAME~]
// Definitions by: [~YOUR NAME~] <[~A URL FOR YOU~]>

/*~ This template shows how to write a global plugin. */

/*~ Write a declaration for the original type and add new members.
 *~ For example, this adds a 'toBinaryString' method with to overloads to
 *~ the built-in number type.
 */
interface Number {
  toBinaryString(opts?: MyLibrary.BinaryFormatOptions): string;
  toBinaryString(callback: MyLibrary.BinaryFormatCallback, opts?: MyLibrary.BinaryFormatOptions): string;
}

/*~ If you need to declare several types, place them inside a namespace
 *~ to avoid adding too many things to the global namespace.
 */
declare namespace MyLibrary {
  type BinaryFormatCallback = (n: number) => string;
  interface BinaryFormatOptions {
    prefix?: string;
    padding: number;
  }
}

© Microsoft and other contributors
Licensed under the Apache License, Version 2.0.
https://www.typescriptlang.org/docs/handbook/declaration-files/templates/global-plugin-d-ts.html