babel-core/lib/babel/transformation/modules/umd.js

Turn ES6 code into readable vanilla ES5 with source maps

"use strict";

var _interopRequireWildcard = function (obj) { return obj && obj.__esModule ? obj : { "default": obj }; };

var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };

var _inherits = function (subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; };

var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };

var AMDFormatter = _interopRequire(require("./amd"));

var values = _interopRequire(require("lodash/object/values"));

var util = _interopRequireWildcard(require("../../util"));

var t = _interopRequireWildcard(require("../../types"));

var UMDFormatter = (function (AMDFormatter) {
  function UMDFormatter() {
    _classCallCheck(this, UMDFormatter);

    if (AMDFormatter != null) {
      AMDFormatter.apply(this, arguments);
    }
  }

  _inherits(UMDFormatter, AMDFormatter);

  UMDFormatter.prototype.transform = function transform(program) {
    var body = program.body;

    // build an array of module names

    var names = [];
    for (var name in this.ids) {
      names.push(t.literal(name));
    }

    // factory

    var ids = values(this.ids);
    var args = [t.identifier("exports")];
    if (this.passModuleArg) args.push(t.identifier("module"));
    args = args.concat(ids);

    var factory = t.functionExpression(null, args, t.blockStatement(body));

    // amd

    var defineArgs = [t.literal("exports")];
    if (this.passModuleArg) defineArgs.push(t.literal("module"));
    defineArgs = defineArgs.concat(names);
    defineArgs = [t.arrayExpression(defineArgs)];

    // common

    var testExports = util.template("test-exports");
    var testModule = util.template("test-module");
    var commonTests = this.passModuleArg ? t.logicalExpression("&&", testExports, testModule) : testExports;

    var commonArgs = [t.identifier("exports")];
    if (this.passModuleArg) commonArgs.push(t.identifier("module"));
    commonArgs = commonArgs.concat(names.map(function (name) {
      return t.callExpression(t.identifier("require"), [name]);
    }));

    // globals

    //var umdArgs = [];

    //

    var moduleName = this.getModuleName();
    if (moduleName) defineArgs.unshift(t.literal(moduleName));

    var runner = util.template("umd-runner-body", {
      AMD_ARGUMENTS: defineArgs,
      COMMON_TEST: commonTests,
      COMMON_ARGUMENTS: commonArgs
    });

    //

    var call = t.callExpression(runner, [factory]);
    program.body = [t.expressionStatement(call)];
  };

  return UMDFormatter;
})(AMDFormatter);

module.exports = UMDFormatter;