CODEWITHSUNDEEP
typescripttypespromise
Akhil F
Akhil F

Reputation: 7740

Where can I find type definitions for Promise

I'm making a simple class (Primrose) that extends the global Promise to add resolve and reject methods

export class Primrose<Resolution> extends Promise<Resolution>{

  private _resolve: /* Type binding should be here */
  private _reject:  /* Type binding should be here */

  constructor() {
    super((_resolve, _reject) => {
      this._resolve = _resolve
      this._reject = _reject
    })
  }

  resolve(resolution: Resolution) {
    this._resolve(resolution)
  }

  reject(rejection) {
    this._reject(rejection)
  }

}

I want to give _promise and _reject the proper type bindings, however I don't know where those are. Where can I find them?

Upvotes: 0

Views: 39

Answers (1)

Kevin
Kevin

Reputation: 9

You should get typings for Promise if you either

a) Install types for node: npm install --save-dev @types/node

Or

b) Or if a browser framework, add "dom" to your lib array inside your tsconfig: lib: ["dom", "es2015"...etc]

Upvotes: 1

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