lib/polyfills/readme_moodle.txt

   1 The steps are essentially:
   2 1) Install required packages
   3
   4     npm install --no-save mdn-polyfills url-polyfill regenerator-runtime core-js-bundle
   5
   6 2) Join them all together:
   7
   8     cd node_modules/mdn-polyfills
   9     cat CustomEvent.* Element.* Function.* HTMLCanvasElement.* MouseEvent.* Node.prototype.* NodeList.* > ../../lib/polyfills/polyfill.js
  10
  11     cd ../url-polyfill/
  12     cat url-polyfill.min.js >> ../../lib/polyfills/polyfill.js
  13
  14     cd ../regenerator-runtime
  15     cat runtime.js >> ../../lib/polyfills/polyfill.js
  16
  17     cd ../core-js-bundle
  18     cat minified.js >> ../../lib/polyfills/polyfill.js
  19     sed -i '/\/\/\# sourceMappingURL=minified.js.map/d' ../../lib/polyfills/polyfill.js
  20
  21 3) Uninstall the packages again
  22
  23     npm uninstall --no-save mdn-polyfills url-polyfill regenerator-runtime core-js-bundle