babel-core/lib/transformation/transformers/es7/do-expressions.js

A compiler for writing next generation JavaScript

"use strict";

exports.__esModule = true;
// istanbul ignore next

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj["default"] = obj; return newObj; } }

var _types = require("../../../types");

var t = _interopRequireWildcard(_types);

var metadata = {
  optional: true,
  stage: 0
};

exports.metadata = metadata;
/**
 * [Please add a description.]
 */

var visitor = {

  /**
   * [Please add a description.]
   */

  DoExpression: function DoExpression(node) {
    var body = node.body.body;
    if (body.length) {
      return body;
    } else {
      return t.identifier("undefined");
    }
  }
};
exports.visitor = visitor;