How to use `it.each`/ `describe.each` in Node.js native test runner?

Question

How can I use it.each/describe.each, like in Jest or Vitest, for the native Node.js test runner?

Answer 1

Until and unless nodejs/node#47902 is resolved:

1. install jest-each (npm install --save-dev jest-each)

2. create add-each-support.js file with the code below

   const {default: each} = require('jest-each');
   const { it, test, describe } = require('node:test');
   
   const eachWithNode = each.withGlobal({
       describe,
       it,
       test
   })
   
   // This is needed for the jest-each to work
   it.concurrent = test.concurrent = () => {
       throw new Error('concurrent is not supported, added just to allow it.each and describe.each');
   };
   
   describe.each = function (...args) {
       return eachWithNode(...args).describe;
   };
   it.each = (...args) => {
       return eachWithNode(...args).it;
   };
   
   test.each = (...args) => {
       return eachWithNode(...args).test;
   };
   

3. when running tests, require this file:

   node --require ./add-each-support.js <rest-of-your-test-command>