px-app-nav does not work in IE11 & Edge

[bharat-srinivasan]

Expected behavior and actual behavior:

px-app-nav component demo does not load when opened in IE Edge.

Steps to reproduce the problem:

1. Open https://www.predix-ui.com in IE Edge browser.
2. Navigation to px-app-nav component.
3. The spinner keeps running indefinitely.
4. Open the developer tools to see errors.

Environment

• OS: Windows 10
• Browser: Edge 13.x and IE 11

Screenshots

Code Pen

https://codepen.io/bharat-srinivasan/pen/ZXvdXG

[mdwragg]

This is likely a transpilation issue. To verify please try the following:

git clone https://github.com/PredixDev/px-app-nav
cd px-app-nav
bower install
npm install -g polymer-cli
polymer serve

(browse to http://127.0.0.1:8000/components/px-app-nav/)

We support the last two versions of evergreen browsers as detailed here: https://www.predix-ui.com/#/about/introduction