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node_modules/inquirer/lib/inquirer.js 2.22 KB
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  /**
   * Inquirer.js
   * A collection of common interactive command line user interfaces.
   */
  
  var inquirer = module.exports;
  
  /**
   * Client interfaces
   */
  
  inquirer.prompts = {};
  
  inquirer.Separator = require('./objects/separator');
  
  inquirer.ui = {
    BottomBar: require('./ui/bottom-bar'),
    Prompt: require('./ui/prompt')
  };
  
  /**
   * Create a new self-contained prompt module.
   */
  inquirer.createPromptModule = function (opt) {
    var promptModule = function (questions) {
      var ui = new inquirer.ui.Prompt(promptModule.prompts, opt);
      var promise = ui.run(questions);
  
      // Monkey patch the UI on the promise object so
      // that it remains publicly accessible.
      promise.ui = ui;
  
      return promise;
    };
    promptModule.prompts = {};
  
    /**
     * Register a prompt type
     * @param {String} name     Prompt type name
     * @param {Function} prompt Prompt constructor
     * @return {inquirer}
     */
  
    promptModule.registerPrompt = function (name, prompt) {
      promptModule.prompts[name] = prompt;
      return this;
    };
  
    /**
     * Register the defaults provider prompts
     */
  
    promptModule.restoreDefaultPrompts = function () {
      this.registerPrompt('list', require('./prompts/list'));
      this.registerPrompt('input', require('./prompts/input'));
      this.registerPrompt('confirm', require('./prompts/confirm'));
      this.registerPrompt('rawlist', require('./prompts/rawlist'));
      this.registerPrompt('expand', require('./prompts/expand'));
      this.registerPrompt('checkbox', require('./prompts/checkbox'));
      this.registerPrompt('password', require('./prompts/password'));
      this.registerPrompt('editor', require('./prompts/editor'));
    };
  
    promptModule.restoreDefaultPrompts();
  
    return promptModule;
  };
  
  /**
   * Public CLI helper interface
   * @param  {Array|Object|rx.Observable} questions - Questions settings array
   * @param  {Function} cb - Callback being passed the user answers
   * @return {inquirer.ui.Prompt}
   */
  
  inquirer.prompt = inquirer.createPromptModule();
  
  // Expose helper functions on the top level for easiest usage by common users
  inquirer.registerPrompt = function (name, prompt) {
    inquirer.prompt.registerPrompt(name, prompt);
  };
  inquirer.restoreDefaultPrompts = function () {
    inquirer.prompt.restoreDefaultPrompts();
  };