jszip.ts

/// <reference path="../../../../node_modules/@types/jszip/index.d.ts" />

const JSZIP_URL = 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.5/jszip.min.js';

function loadJSZip() {
  return new Promise((resolve, reject) => {
    vsRequire([JSZIP_URL], (script) => {
      resolve(script);
    });
  });
}

loadJSZip.then(function(JSZip) {
  let zip = new JSZip();
  // Cannot use 'new' with an expression whose type lacks a call or construct signature.
});