Smoother onboarding for Windows developers

CHANGELOG.md

@@ -10,6 +10,7 @@ Please see [CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CO
 ## [Unreleased]
 ### Fixed
 - 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))
 
 ## [8.0.0-rc.1] - 2021-10-19
 ### Added

CONTRIBUTING.md

@@ -9,15 +9,20 @@ If anything in this guide or anywhere else in the codebase doesn't make sense to
 
 You can chat with us in the [#committers-js](https://cucumberbdd.slack.com/archives/C612KCP1P) channel in our [Community Slack], or feel free to [raise an issue] if you're experiencing any friction trying make your contribution.
 
-## Setup
+## Local setup
 
+To get a local development environment, use [Git] to [fork and clone] the repo, then:
+
+* If you're running Windows, make sure to enable [Developer Mode].
 * install [Node.Js](https://nodejs.org/en/)
 * `npm install` - Install dependencies
 * `npm test` - Compile typescript and run the tests
 
+If everything passes, you're ready to hack! ⛏
+
 ## Tests
 
-Now type `npm run` or see the `package.json` scripts section for how to run each category of tests.
+Type `npm run` or see the `package.json` scripts section for how to run each category of tests.
 
 * lint - `npm run lint`
   * [prettier](https://github.com/prettier/prettier)
@@ -67,3 +72,6 @@ The runtime emits events with an [EventEmitter](https://nodejs.org/api/events.ht
 
 [Community Slack]: https://cucumber.io/community#slack
 [raise an issue]: https://github.com/cucumber/cucumber-js/issues/new/choose
+[Developer Mode]: https://docs.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging
+[fork and clone]: https://docs.github.com/en/get-started/quickstart/fork-a-repo
+[Git]: https://docs.github.com/en/get-started/quickstart/set-up-git

features/support/hooks.ts

@@ -6,6 +6,7 @@ import tmp from 'tmp'
 import { doesHaveValue } from '../../src/value_checker'
 import { World } from './world'
 import { ITestCaseHookParameter } from '../../src/support_code_library_builder/types'
+import { warnUserAboutEnablingDeveloperMode } from './warn_user_about_enabling_developer_mode'
 
 const projectPath = path.join(__dirname, '..', '..')
 
@@ -39,7 +40,11 @@ Before(function (
     '@cucumber',
     'cucumber'
   )
-  fsExtra.ensureSymlinkSync(projectPath, tmpDirCucumberPath)
+  try {
+    fsExtra.ensureSymlinkSync(projectPath, tmpDirCucumberPath)
+  } catch (error) {
+    warnUserAboutEnablingDeveloperMode(error)
+  }
   this.localExecutablePath = path.join(projectPath, 'bin', 'cucumber-js')
 })
 

features/support/warn_user_about_enabling_developer_mode.ts

@@ -0,0 +1,25 @@
+import { reindent } from 'reindent-template-literals'
+import colors from 'colors/safe'
+
+export function warnUserAboutEnablingDeveloperMode(error: any): void {
+  if (!(error?.code === 'EPERM')) {
+    throw error
+  }
+  if (!(process.platform === 'win32')) {
+    throw error
+  }
+
+  console.error(
+    colors.red(
+      reindent(`
+        Error: Unable to run feature tests!
+
+        You need to enable Developer Mode in Windows to run Cucumber JS's feature tests.
+
+        See this link for more info: 
+        https://docs.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging
+      `)
+    )
+  )
+  process.exit(1)
+}

package.json

@@ -257,6 +257,7 @@
     "prettier": "2.5.0",
     "reindent-template-literals": "1.1.0",
     "semver": "7.3.5",
+    "shx": "^0.3.3",
     "sinon": "12.0.1",
     "sinon-chai": "3.7.0",
     "stream-buffers": "3.0.2",
@@ -266,7 +267,7 @@
     "typescript": "4.5.2"
   },
   "scripts": {
-    "build-local": "tsc --build tsconfig.node.json && cp src/importer.js lib/ && cp src/wrapper.mjs lib/",
+    "build-local": "tsc --build tsconfig.node.json && npx shx cp src/importer.js lib/ && npx 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",