ES6 import does not work with disabled AMD parser in webpack

Webpack allows to disable AMD parsing - for a good reason - with the following option: https://webpack.js.org/configuration/other-options/#amd. But when the AMD parser is disabled, it gives the following error:

Uncaught TypeError: Cannot read property 'name' of undefined
    at new s (main.js:206)
    at Module.<anonymous> (main.js:206)
    at n (main.js:1)
    at main.js:1
    at main.js:1

After some further debugging and setting a breakpoint in the main.js at the line const i = new r; you can clearly see that the r variable only has the saveAs function. All the other functions are missing.

It can be reproduced with the following configuration:

package.json:

{
  "dependencies": {
    "jspdf-yworks": "2.1.1",
    "webpack": "4.43.0",
    "webpack-cli": "3.3.11"
  },
  "scripts": {
    "build": "webpack"
  }
}

webpack.config.js:

const webpack = require('webpack');

module.exports = {
  entry: './app.js',
  module: {
    rules: [
      {
        parser: {
          amd: false,
        },
      },
    ],
  },
};

app.js

import * as jsPDF from 'jspdf-yworks/dist/jspdf.debug';

const pdf = new jsPDF();
console.log(pdf);

index.html

<!doctype html>
<html>
<head>
  <title>Test</title>
</head>
<body>
<script src="./dist/main.js"></script>
</body>
</html>

Using

import * as jsPDF from 'jspdf-yworks';

import jsPDF from 'jspdf-yworks';

doesn't change anything.

However it works when using

import * as jsPDF from 'jspdf-yworks/dist/jspdf.node.min';

But it feels wrong using the node version to fix this issue. In my opinion it should work with disabled AMD parser and importing it like:

import jsPDF from 'jspdf-yworks';

yWorks / jsPDF

ES6 import does not work with disabled AMD parser in webpack #35