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node_modules/inquirer/lib/ui/baseUI.js

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+'use strict';
+var _ = require('lodash');
+var MuteStream = require('mute-stream');
+var readline = require('readline');
+
+/**
+ * Base interface class other can inherits from
+ */
+
+class UI {
+  constructor(opt) {
+    // Instantiate the Readline interface
+    // @Note: Don't reassign if already present (allow test to override the Stream)
+    if (!this.rl) {
+      this.rl = readline.createInterface(setupReadlineOptions(opt));
+    }
+
+    this.rl.resume();
+
+    this.onForceClose = this.onForceClose.bind(this);
+
+    // Make sure new prompt start on a newline when closing
+    process.on('exit', this.onForceClose);
+
+    // Terminate process on SIGINT (which will call process.on('exit') in return)
+    this.rl.on('SIGINT', this.onForceClose);
+  }
+
+  /**
+   * Handle the ^C exit
+   * @return {null}
+   */
+
+  onForceClose() {
+    this.close();
+    process.kill(process.pid, 'SIGINT');
+    console.log('');
+  }
+
+  /**
+   * Close the interface and cleanup listeners
+   */
+
+  close() {
+    // Remove events listeners
+    this.rl.removeListener('SIGINT', this.onForceClose);
+    process.removeListener('exit', this.onForceClose);
+
+    this.rl.output.unmute();
+
+    if (this.activePrompt && typeof this.activePrompt.close === 'function') {
+      this.activePrompt.close();
+    }
+
+    // Close the readline
+    this.rl.output.end();
+    this.rl.pause();
+    this.rl.close();
+  }
+}
+
+function setupReadlineOptions(opt) {
+  opt = opt || {};
+  // Inquirer 8.x:
+  // opt.skipTTYChecks = opt.skipTTYChecks === undefined ? opt.input !== undefined : opt.skipTTYChecks;
+  opt.skipTTYChecks = opt.skipTTYChecks === undefined ? true : opt.skipTTYChecks;
+
+  // Default `input` to stdin
+  var input = opt.input || process.stdin;
+
+  // Check if prompt is being called in TTY environment
+  // If it isn't return a failed promise
+  if (!opt.skipTTYChecks && !input.isTTY) {
+    const nonTtyError = new Error(
+      'Prompts can not be meaningfully rendered in non-TTY environments'
+    );
+    nonTtyError.isTtyError = true;
+    throw nonTtyError;
+  }
+
+  // Add mute capabilities to the output
+  var ms = new MuteStream();
+  ms.pipe(opt.output || process.stdout);
+  var output = ms;
+
+  return _.extend(
+    {
+      terminal: true,
+      input: input,
+      output: output
+    },
+    _.omit(opt, ['input', 'output'])
+  );
+}
+
+module.exports = UI;

node_modules/inquirer/lib/ui/bottom-bar.js

@@ -0,0 +1,100 @@
+'use strict';
+/**
+ * Sticky bottom bar user interface
+ */
+
+var through = require('through');
+var Base = require('./baseUI');
+var rlUtils = require('../utils/readline');
+var _ = require('lodash');
+
+class BottomBar extends Base {
+  constructor(opt) {
+    opt = opt || {};
+
+    super(opt);
+
+    this.log = through(this.writeLog.bind(this));
+    this.bottomBar = opt.bottomBar || '';
+    this.render();
+  }
+
+  /**
+   * Render the prompt to screen
+   * @return {BottomBar} self
+   */
+
+  render() {
+    this.write(this.bottomBar);
+    return this;
+  }
+
+  clean() {
+    rlUtils.clearLine(this.rl, this.bottomBar.split('\n').length);
+    return this;
+  }
+
+  /**
+   * Update the bottom bar content and rerender
+   * @param  {String} bottomBar Bottom bar content
+   * @return {BottomBar}           self
+   */
+
+  updateBottomBar(bottomBar) {
+    rlUtils.clearLine(this.rl, 1);
+    this.rl.output.unmute();
+    this.clean();
+    this.bottomBar = bottomBar;
+    this.render();
+    this.rl.output.mute();
+    return this;
+  }
+
+  /**
+   * Write out log data
+   * @param {String} data - The log data to be output
+   * @return {BottomBar} self
+   */
+
+  writeLog(data) {
+    this.rl.output.unmute();
+    this.clean();
+    this.rl.output.write(this.enforceLF(data.toString()));
+    this.render();
+    this.rl.output.mute();
+    return this;
+  }
+
+  /**
+   * Make sure line end on a line feed
+   * @param  {String} str Input string
+   * @return {String}     The input string with a final line feed
+   */
+
+  enforceLF(str) {
+    return str.match(/[\r\n]$/) ? str : str + '\n';
+  }
+
+  /**
+   * Helper for writing message in Prompt
+   * @param {BottomBar} prompt  - The Prompt object that extends tty
+   * @param {String} message - The message to be output
+   */
+  write(message) {
+    var msgLines = message.split(/\n/);
+    this.height = msgLines.length;
+
+    // Write message to screen and setPrompt to control backspace
+    this.rl.setPrompt(_.last(msgLines));
+
+    if (this.rl.output.rows === 0 && this.rl.output.columns === 0) {
+      /* When it's a tty through serial port there's no terminal info and the render will malfunction,
+         so we need enforce the cursor to locate to the leftmost position for rendering. */
+      rlUtils.left(this.rl, message.length + this.rl.line.length);
+    }
+
+    this.rl.output.write(message);
+  }
+}
+
+module.exports = BottomBar;

node_modules/inquirer/lib/ui/prompt.js

@@ -0,0 +1,132 @@
+'use strict';
+var _ = require('lodash');
+var { defer, empty, from, of } = require('rxjs');
+var { concatMap, filter, publish, reduce } = require('rxjs/operators');
+var runAsync = require('run-async');
+var utils = require('../utils/utils');
+var Base = require('./baseUI');
+
+/**
+ * Base interface class other can inherits from
+ */
+
+class PromptUI extends Base {
+  constructor(prompts, opt) {
+    super(opt);
+    this.prompts = prompts;
+  }
+
+  run(questions, answers) {
+    // Keep global reference to the answers
+    if (_.isPlainObject(answers)) {
+      this.answers = _.clone(answers);
+    } else {
+      this.answers = {};
+    }
+
+    // Make sure questions is an array.
+    if (_.isPlainObject(questions)) {
+      questions = [questions];
+    }
+
+    // Create an observable, unless we received one as parameter.
+    // Note: As this is a public interface, we cannot do an instanceof check as we won't
+    // be using the exact same object in memory.
+    var obs = _.isArray(questions) ? from(questions) : questions;
+
+    this.process = obs.pipe(
+      concatMap(this.processQuestion.bind(this)),
+      publish() // Creates a hot Observable. It prevents duplicating prompts.
+    );
+
+    this.process.connect();
+
+    return this.process
+      .pipe(
+        reduce((answers, answer) => {
+          _.set(answers, answer.name, answer.answer);
+          return answers;
+        }, this.answers)
+      )
+      .toPromise(Promise)
+      .then(this.onCompletion.bind(this));
+  }
+
+  /**
+   * Once all prompt are over
+   */
+
+  onCompletion() {
+    this.close();
+
+    return this.answers;
+  }
+
+  processQuestion(question) {
+    question = _.clone(question);
+    return defer(() => {
+      var obs = of(question);
+
+      return obs.pipe(
+        concatMap(this.setDefaultType.bind(this)),
+        concatMap(this.filterIfRunnable.bind(this)),
+        concatMap(() =>
+          utils.fetchAsyncQuestionProperty(question, 'message', this.answers)
+        ),
+        concatMap(() =>
+          utils.fetchAsyncQuestionProperty(question, 'default', this.answers)
+        ),
+        concatMap(() =>
+          utils.fetchAsyncQuestionProperty(question, 'choices', this.answers)
+        ),
+        concatMap(this.fetchAnswer.bind(this))
+      );
+    });
+  }
+
+  fetchAnswer(question) {
+    var Prompt = this.prompts[question.type];
+    this.activePrompt = new Prompt(question, this.rl, this.answers);
+    return defer(() =>
+      from(
+        this.activePrompt.run().then(answer => ({ name: question.name, answer: answer }))
+      )
+    );
+  }
+
+  setDefaultType(question) {
+    // Default type to input
+    if (!this.prompts[question.type]) {
+      question.type = 'input';
+    }
+
+    return defer(() => of(question));
+  }
+
+  filterIfRunnable(question) {
+    if (question.askAnswered !== true && this.answers[question.name] !== undefined) {
+      return empty();
+    }
+
+    if (question.when === false) {
+      return empty();
+    }
+
+    if (!_.isFunction(question.when)) {
+      return of(question);
+    }
+
+    var answers = this.answers;
+    return defer(() =>
+      from(
+        runAsync(question.when)(answers).then(shouldRun => {
+          if (shouldRun) {
+            return question;
+          }
+        })
+      ).pipe(filter(val => val != null))
+    );
+  }
+}
+
+module.exports = PromptUI;