Is it possible to define data types for the global context in cucumber?

Embarking on a fresh cucumber-selenium project in Typescript, I am eager to keep the Driver in the world context. However, following the method suggested here, I encounter an issue where the Driver type remains inaccessible to step definitions.

This means that in my initial step,

Given('First step', async function () {
  this.driver.get('http://vacuumlabs.com')
})

the object driver defaults to type any, as this is of type World rather than CustomWorld. Is there a workaround for this?

The dependencies I am utilizing include:

    "@types/cucumber": "6.0.1",
    "cucumber": "^7.0.0-rc.0",

(as @cucumber/cucumber interprets this as any)

typescriptcucumber

Answer №1

selecting world type

It seems that there are a couple of ways to achieve this...

Given('I am selecting a World type', async function (this: MyWorldType) {
  ...
})

alternatively

Given<MyWorldType>('I am selecting a World type', async function () {
  ...
})

defining the world type

This is how you could define it...

import { World as CucumberWorld } from '@cucumber/cucumber';
import { Driver } from 'selenium';
import { OtherCustomThing } from 'custom-things';

export interface MyWorldType extends CucumberWorld {
    driver: Driver;
    myOtherCustomAttribute: OtherCustomThing;
    ...
}

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