WebpackError: TypeError: el.addEventListener is not a function

Receiving this error when performing a build. Any help would be great.

error Building static HTML failed

  77 |
  78 |   function addEventListener(el, evt, func) {
> 79 |     el.addEventListener(evt, func, false)
     | ^
  80 |   }
  81 |
  82 |   function removeEventListener(el, evt, func) {


  WebpackError: TypeError: el.addEventListener is not a function

  - iframeResizer.js:79 addEventListener
    [lib]/[iframe-resizer]/js/iframeResizer.js:79:1

  - iframeResizer.js:1259 setupEventListeners
    [lib]/[iframe-resizer]/js/iframeResizer.js:1259:1

  - iframeResizer.js:1300 Object.factory
    [lib]/[iframe-resizer]/js/iframeResizer.js:1300:1

  - iframeResizer.js:1349
    [lib]/[iframe-resizer]/js/iframeResizer.js:1349:23

  - iframeResizer.js:1355 Object../node_modules/iframe-resizer/js/iframeResizer.
    js
    [lib]/[iframe-resizer]/js/iframeResizer.js:1355:2

  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1

  - index.js:1 Object../node_modules/iframe-resizer/js/index.js
    [lib]/[iframe-resizer]/js/index.js:1:22

  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1

  - index.js:3 Object../node_modules/iframe-resizer/index.js
    [lib]/[iframe-resizer]/index.js:3:18

  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1

  - index.js:39 Object../node_modules/react-iframe-resizer-super/dist/index.js
    [lib]/[react-iframe-resizer-super]/dist/index.js:39:22

  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1


  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1

  - index.js:1 Module../src/components/full-plan-summary/index.js
    lib/src/components/full-plan-summary/index.js:1:1

  - bootstrap:19 __webpack_require__
    lib/webpack/bootstrap:19:1

[davidjbradshaw]

I would check your WebPack/Babel setting are targeting the browser