orestisioakeimidis / polymer-lit-element-repro

The purpose of this repository is to reproduce an error when compiling to ES5 and using minification.

Polymer and LitElement

The purpose of this repository is to reproduce an error when compiling to ES5 and using minification.

Related issue

Steps to reproduce:

Install dependencies

$ npm i

Build the application

$ npm run build

Run the unminified version

There is no error when running the unminifed version.

$ npm run serve:es5

Run the minified version

Take a look at the dev console and you will see the error when running the minified version.

$ npm run serve:es5-minified