Add package.json to node module exports

CHANGELOG.md

@@ -9,6 +9,9 @@ Please see [CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CO
 
 ## [Unreleased]
 ### Fixed
+- Add `package.json` to node module `exports`
+ ([PR#1870](https://github.com/cucumber/cucumber-js/pull/1870)
+ [Issue#1869](https://github.com/cucumber/cucumber-js/issues/1869))
 - Allows for parentheses in paths for developers working on cucumber's own code ([[#1735](https://github.com/cucumber/cucumber-js/issues/1735)])
 - Smoother onboarding for Windows developers ([#1863](https://github.com/cucumber/cucumber-js/pull/1863))
 

features/direct_imports.feature

@@ -60,4 +60,26 @@ Feature: Core feature elements execution using direct imports
  Given(/^a step passes$/, function() {});
  """
  When I run cucumber-js
- Then it passes
+ Then it passes
+
+ Scenario: we can import the version number from package.json and from the library
+ Given a file named "features/a.feature" with:
+ """
+ Feature: some feature
+ Scenario: some scenario
+ Given a step checks the version number
+ """
+ And a file named "features/step_definitions/cucumber_steps.js" with:
+ """
+ const {Given} = require('@cucumber/cucumber')
+ const package_version = require('@cucumber/cucumber/package.json').version
+ const library_version = require('@cucumber/cucumber').version
+
+ Given(/^a step checks the version number$/, function() {
+ if (package_version !== library_version) {
+ throw new Error(`package version: ${package_version} !== library version: ${library_version}`)
+ }
+ });
+ """
+ When I run cucumber-js
+ Then it passes

package.json

@@ -175,7 +175,8 @@
  },
  "./lib/*": {
  "require": "./lib/*.js"
- }
+ },
+ "./package.json": "./package.json"
  },
  "types": "./lib/index.d.ts",
  "engines": {