nesh/lib/languages/babel.js

An enhanced, extensible shell for Node.js

// Generated by CoffeeScript 1.11.1

/*
ES6/7 language component for Nesh, the Node.js enhanced shell.
 */

(function() {
  var babel, log, path, vm;

  require('colors');

  babel = require('babel-core');

  log = require('../log');

  path = require('path');

  vm = require('vm');

  exports.setup = function(arg) {
    var nesh;
    nesh = arg.nesh;
    log.debug('Loading Babel');
    require('babel-core/register');
    nesh.compile = function(data) {
      return babel.transform(data);
    };
    nesh.repl = {
      start: function(opts) {
        var repl;
        opts["eval"] = function(code, context, filename, callback) {
          var e, err, output, result;
          if (code[0] === '(' && code[code.length - 1] === ')') {
            code = code.slice(1, -1);
          }
          err = null;
          output = null;
          try {
            result = babel.transform(code, {
              stage: 0
            });
            output = vm.runInThisContext(result.code, {
              filename: filename
            });
          } catch (error) {
            e = error;
            err = e;
          }
          if (output === 'use strict') {
            output = void 0;
          }
          return callback(err, output);
        };
        return repl = require('repl').start(opts);
      }
    };
    process.versions['babel'] = babel.version;
    nesh.defaults.welcome = ("Babel " + babel.version + " on Node " + process.version + "\nType ") + '.help'.cyan + ' for more information';
    nesh.defaults.prompt = 'babel> ';
    nesh.defaults.useGlobal = true;
    return nesh.defaults.historyFile = path.join(nesh.config.home, '.babel_history');
  };

}).call(this);

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