Export version number of cucumber-js

.gitignore

@@ -13,3 +13,4 @@ usage.txt
 yarn-error.log
 .vscode
 .DS_Store
+src/version.ts

CHANGELOG.md

@@ -12,6 +12,12 @@ Please see [CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CO
 - 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))
 
+### Added
+- Export cucumber version number. It is now possible to retrieve the current version
+  of cucumber using `import { version } from '@cucumber/cucumber'`.
+  ([PR#1866](https://github.com/cucumber/cucumber-js/pull/1866)
+   [Issue#1853](https://github.com/cucumber/cucumber-js/issues/1853))
+
 ## [8.0.0-rc.1] - 2021-10-19
 ### Added
 - Add `wrapPromiseWithTimeout` to public API ([#1566](https://github.com/cucumber/cucumber-js/pull/1566))

features/step_definitions/cli_steps.ts

@@ -9,8 +9,7 @@ import {
   valueOrDefault,
 } from '../../src/value_checker'
 import { World } from '../support/world'
-
-const { version } = require('../../package.json') // eslint-disable-line @typescript-eslint/no-var-requires
+import { version } from '../../src/version'
 
 When('my env includes {string}', function (this: World, envString: string) {
   this.sharedEnv = this.parseEnvString(envString)

package.json

@@ -251,6 +251,7 @@
     "eslint-plugin-standard": "4.1.0",
     "express": "4.17.1",
     "fs-extra": "10.0.0",
+    "genversion": "^3.0.2",
     "mocha": "9.1.3",
     "mustache": "4.2.0",
     "nyc": "15.1.0",
@@ -267,7 +268,7 @@
     "typescript": "4.5.2"
   },
   "scripts": {
-    "build-local": "tsc --build tsconfig.node.json && shx cp src/importer.js lib/ && shx cp src/wrapper.mjs lib/",
+    "build-local": "genversion --es6 src/version.ts && tsc --build tsconfig.node.json && shx cp src/importer.js lib/ && shx cp src/wrapper.mjs lib/",
     "cck-test": "mocha 'compatibility/**/*_spec.ts'",
     "feature-test": "node ./bin/cucumber-js",
     "html-formatter": "node ./bin/cucumber-js --profile htmlFormatter",

src/cli/argv_parser.ts

@@ -4,11 +4,9 @@ import { dialects } from '@cucumber/gherkin'
 import { SnippetInterface } from '../formatter/step_definition_snippet_builder/snippet_syntax'
 import { getKeywords, getLanguages } from './i18n'
 import Formatters from '../formatter/helpers/formatters'
+import { version } from '../version'
 import { PickleOrder } from './helpers'
 
-// Using require instead of import so compiled typescript will have the desired folder structure
-const { version } = require('../../package.json') // eslint-disable-line @typescript-eslint/no-var-requires
-
 export interface IParsedArgvFormatRerunOptions {
   separator?: string
 }

src/cli/helpers.ts

@@ -14,6 +14,7 @@ import { ISupportCodeLibrary } from '../support_code_library_builder/types'
 import TestCaseHookDefinition from '../models/test_case_hook_definition'
 import TestRunHookDefinition from '../models/test_run_hook_definition'
 import { builtinParameterTypes } from '../support_code_library_builder'
+import { version } from '../version'
 
 export interface IGetExpandedArgvRequest {
   argv: string[]
@@ -117,8 +118,6 @@ export async function emitMetaMessage(
   eventBroadcaster: EventEmitter,
   env: NodeJS.ProcessEnv
 ): Promise<void> {
-  // eslint-disable-next-line @typescript-eslint/no-var-requires
-  const { version } = require('../../package.json')
   eventBroadcaster.emit('envelope', {
     meta: createMeta('cucumber-js', version, env),
   })

src/index.ts

@@ -13,6 +13,7 @@ export {
 } from './runtime'
 export { default as supportCodeLibraryBuilder } from './support_code_library_builder'
 export { default as DataTable } from './models/data_table'
+export { version } from './version'
 
 // Formatters
 export { default as Formatter, IFormatterOptions } from './formatter'