unjs / unjs/std-env

Add detection for tests runners ? (Jest, Vitest, Playwright, etc...)

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Dominant language
TypeScript
Stars
641
Forks
41
PR merge metrics
No merged PRs in 30d

Description

Describe the feature

Most test framework sets a couple of env variables that we could use to detect them.

We could have a similar API here to the provider detection :

import { isTest, testRunner, testRunnerInfo } from "std-env";

console.log({
  isCI, // true
  provider, // "vitest"
  providerInfo, // { name: "vitest", isTest: true, ...etc }
});
Additional information
  • Would you be willing to help implement this feature?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the existing provider-detection API and the environment variables exposed by Jest, Vitest, and Playwright. Define the test-runner and runner-info behavior, then verify that the named runners are detected consistently without affecting existing provider detection.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
testing
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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