metro

dynamicImport.js

'use strict';

const host = 'http://localhost:8082'
const dynamicImport = require;

module.exports = function (moduleID, importPath) {
  const head = document.getElementsByTagName('head')[0];

  const promise = new Promise((resolve, reject) => {
    const script = document.createElement('script');
    let onScriptComplete;

    script.charset = 'utf-8';
    script.timeout = 120;

    script.src = `${host}/${importPath}.bundle.js`;

    onScriptComplete = function (event) {
      console.log('script complete');
      // avoid mem leaks in IE.
      script.onerror = script.onload = null;
      resolve(dynamicImport(moduleID));
    };
    script.onerror = script.onload = onScriptComplete;
    head.appendChild(script);
  });

  return promise;
};