Updated the files.

my-app/node_modules/karma/lib/init/state_machine.js

@@ -0,0 +1,143 @@
+'use strict'
+
+const logQueue = require('./log-queue')
+
+let questions
+let currentQuestion
+let answers
+let currentOptions
+let currentOptionsPointer
+let currentQuestionId
+let done
+
+class StateMachine {
+  constructor (rli, colors) {
+    this.rli = rli
+    this.colors = colors
+  }
+
+  showPrompt () {
+    this.rli.write(this.colors.ANSWER)
+    this.rli.prompt()
+  }
+
+  onKeypress (key) {
+    if (!currentOptions || !key) {
+      return
+    }
+
+    if (key.name === 'tab' || key.name === 'right' || key.name === 'down') {
+      this.suggestOption(currentOptionsPointer + 1)
+    } else if (key.name === 'left' || key.name === 'up') {
+      this.suggestOption(currentOptionsPointer - 1)
+    }
+
+    if (!key.ctrl && !key.meta && key.name !== 'enter' && key.name !== 'return') {
+      key.name = 'escape'
+    }
+  }
+
+  suggestOption (index) {
+    if (!currentOptions) {
+      return
+    }
+
+    if (index === -1) {
+      currentOptionsPointer = currentOptions.length - 1
+    } else if (index === currentOptions.length) {
+      currentOptionsPointer = 0
+    } else {
+      currentOptionsPointer = index
+    }
+
+    this.rli._deleteLineLeft()
+    this.rli._deleteLineRight()
+    this.rli.write(currentOptions[currentOptionsPointer])
+  }
+
+  kill () {
+    currentOptions = null
+    currentQuestionId = null
+    this.rli.write('\n' + this.colors.RESET + '\n')
+    this.rli.close()
+  }
+
+  onLine (line) {
+    if (currentQuestionId) {
+      this.rli.write(this.colors.RESET)
+      line = line.trim().replace(this.colors.ANSWER, '').replace(this.colors.RESET, '')
+
+      if (currentOptions) {
+        currentOptionsPointer = currentOptions.indexOf(line)
+        if (currentOptionsPointer === -1) {
+          return
+        }
+      }
+
+      if (line === '') {
+        line = null
+      }
+
+      if (currentQuestion.boolean) {
+        line = (line === 'yes' || line === 'true' || line === 'on')
+      }
+
+      if (line !== null && currentQuestion.validate) {
+        currentQuestion.validate(line)
+      }
+
+      if (currentQuestion.multiple) {
+        answers[currentQuestionId] = answers[currentQuestionId] || []
+        if (line !== null) {
+          answers[currentQuestionId].push(line)
+          this.showPrompt()
+
+          if (currentOptions) {
+            currentOptions.splice(currentOptionsPointer, 1)
+            currentOptionsPointer = -1
+          }
+        } else {
+          this.nextQuestion()
+        }
+      } else {
+        answers[currentQuestionId] = line
+        this.nextQuestion()
+      }
+    }
+  }
+
+  nextQuestion () {
+    currentQuestion = questions.shift()
+
+    while (currentQuestion && currentQuestion.condition && !currentQuestion.condition(answers)) {
+      currentQuestion = questions.shift()
+    }
+
+    logQueue.printLogQueue()
+
+    if (currentQuestion) {
+      currentQuestionId = null
+
+      this.rli.write('\n' + this.colors.question(currentQuestion.question) + '\n')
+      this.rli.write(currentQuestion.hint + '\n')
+      this.showPrompt()
+
+      currentOptions = currentQuestion.options || null
+      currentQuestionId = currentQuestion.id
+      this.suggestOption(0)
+    } else {
+      this.kill()
+      done(answers)
+    }
+  }
+
+  process (_questions, _done) {
+    questions = _questions
+    answers = {}
+    done = _done
+
+    this.nextQuestion()
+  }
+}
+
+module.exports = StateMachine