@moleculer/vorpal/dist/vorpal-repl.js

Node's first framework for building immersive CLI apps.

'use strict';
/**
 * Module dependencies.
 */

var _ = require('lodash');

var chalk = require('chalk');

var safeStringify = require('json-stringify-safe');
/**
 * Expose a function that passes in a Vantage
 * object and options.
 */


module.exports = function (vantage) {
  vantage.mode('repl', 'Enters REPL mode.').delimiter('repl:').init(function (args, cb) {
    this.log('Entering REPL Mode. To exit, type \'exit\'');
    cb(undefined, 'Entering REPL Mode. To exit, type \'exit\'.');
  }).action(function (command, cb) {
    var self = this; // @

    var globalEval = eval;

    try {
      var res = globalEval(command);
      var log = _.isString(res) ? chalk.white(res) : res;

      if (_.isObject(log) && !_.isArray(log)) {
        try {
          log = safeStringify(log, null, 2);
        } catch (error) {
          console.log(error.stack);
        }
      }

      self.log(log);
      cb(undefined, res);
    } catch (error) {
      self.log(error);
      cb(error);
    }
  });
};