initial iniquirer for core flavor

Author: Nick Balestra

packages/create-cycle-app/package.json

@@ -24,6 +24,7 @@
   "dependencies": {
     "chalk": "^1.1.3",
     "cross-spawn": "^4.0.2",
+    "inquirer": "^3.0.6",
     "minimist": "^1.2.0"
   },
   "devDependencies": {

packages/create-cycle-app/src/createApp.js

@@ -1,15 +1,20 @@
 'use strict'
+
 const path = require('path')
-const preparePackageJson = require('./preparePackageJson')
+
 const createProjectIn = require('./createProjectIn')
+const initQuestions = require('./initQuestions')
 const installScripts = require('./installScripts')
+const preparePackageJson = require('./preparePackageJson')
 
 module.exports = function createApp (name, verbose, flavor) {
   const appFolder = path.resolve(name)
   const appName = path.basename(appFolder)
 
-  createProjectIn(appFolder)
-  preparePackageJson(appFolder, appName, () => {
-    installScripts(appFolder, appName, flavor, verbose)
+  initQuestions(flavor, options => {
+    createProjectIn(appFolder)
+    preparePackageJson(appFolder, appName, () => {
+      installScripts(appFolder, appName, flavor, verbose, options)
+    })
   })
 }

packages/create-cycle-app/src/createProjectIn.js

@@ -1,7 +1,9 @@
 'use strict'
-const fs = require('fs')
+
 const chalk = require('chalk')
 const console = require('console')
+const fs = require('fs')
+
 const isSafeToCreateProjectIn = require('./isSafeToCreateProjectIn')
 
 module.exports = function createProjectIn (appFolder) {

packages/create-cycle-app/src/getPackageName.js

@@ -1,4 +1,5 @@
 'use strict'
+
 const path = require('path')
 
 module.exports = function getPackageName (installPackage) {

packages/create-cycle-app/src/initQuestions.js

@@ -0,0 +1,42 @@
+'use strict'
+
+const inquirer = require('inquirer')
+
+const initQuestions = [
+  {
+    type: 'list',
+    name: 'language',
+    default: 0,
+    choices: ['JavaScript', 'TypeScript'],
+    message: 'Which language do you want to use to write your cycle app?'
+  },
+  {
+    type: 'list',
+    name: 'streamLib',
+    default: 0,
+    choices: [
+      {
+        name: 'XStream, tailored for Cycle.js',
+        value: 'xstream'
+      },
+      {
+        name: 'Most.js, a blazing fast stream library',
+        value: 'most'
+      },
+      {
+        name: 'RxJS',
+        value: 'rxjs'
+      }
+    ],
+    message: 'Which reactive stream library do you want to use?'
+  }
+]
+
+module.exports = (flavor, cb) => {
+  if (flavor) {
+    return cb(false)
+  }
+  inquirer.prompt(initQuestions).then(answers => {
+    return cb(answers)
+  })
+}

packages/create-cycle-app/src/installScripts.js

@@ -1,12 +1,14 @@
 'use strict'
-const path = require('path')
+
 const chalk = require('chalk')
 const spawn = require('cross-spawn')
-const getPackageName = require('./getPackageName')
 const console = require('console')
+const path = require('path')
 const process = require('process')
 
-module.exports = function installScripts (appFolder, appName, flavor, verbose) {
+const getPackageName = require('./getPackageName')
+
+module.exports = function installScripts (appFolder, appName, flavor, verbose, options) {
   const originalDirectory = process.cwd()
   process.chdir(appFolder)
 
@@ -45,6 +47,6 @@ module.exports = function installScripts (appFolder, appName, flavor, verbose) {
     const init = require(initScriptPath)
 
     // Execute the cycle-scripts's specific initialization
-    init(appFolder, appName, verbose, originalDirectory)
+    init(appFolder, appName, verbose, originalDirectory, options)
   })
 }

packages/create-cycle-app/src/isSafeToCreateProjectIn.js

@@ -1,4 +1,5 @@
 'use strict'
+
 const fs = require('fs')
 
 module.exports = function isSafeToCreateProjectIn (appFolder) {

packages/create-cycle-app/src/preparePackageJson.js

@@ -1,7 +1,8 @@
 'use strict'
+
+const chalk = require('chalk')
 const fs = require('fs')
 const path = require('path')
-const chalk = require('chalk')
 
 module.exports = function preparePackageJson (appFolder, appName, cb) {
   // Start creating the new app

packages/create-cycle-app/test/unit/createApp.spec.js

@@ -0,0 +1,24 @@
+const initQuestions = require('../../src/initQuestions')
+jest.mock('inquirer')
+const inquirer = require('inquirer')
+
+describe('initQuedstion module', () => {
+  describe('when calling it', () => {
+    test('should not prompt for question if a custom flavor is provided', () => {
+      const callback = jest.fn()
+      initQuestions('customFlavor', callback)
+      expect(callback).toBeCalledWith(false)
+      expect(inquirer.prompt).not.toBeCalled()
+    })
+    test('should prompt for question if no custom flavor is provided', () => {
+      const callback = jest.fn()
+      const answer = {language: 'JavaScript', streamLib: 'xstream'}
+      inquirer.prompt.mockReturnValue({
+        then: jest.fn(answers => callback(answer))
+      })
+      initQuestions(undefined, callback)
+      expect(callback).toBeCalledWith(answer)
+      expect(inquirer.prompt).toBeCalled()
+    })
+  })
+})