run npm install
to pull in the dependencies
Rename /node_modules/@polymer/app-layout/app-layout.html
to /node_modules/@polymer/app-layout/app-layout.js
and replace it's contents with:
import './helpers/helpers.js'
import './app-drawer/app-drawer.js'
import './app-drawer-layout/app-drawer-layout.js'
import './app-grid/app-grid-style.js'
import './app-header/app-header.js'
import './app-header-layout/app-header-layout.js'
import './app-toolbar/app-toolbar.js'
import './app-box/app-box.js'
Next you'll need to add the firebase config file. This should be in /config.js
and include the apikey, authdomain, etc.
npm run start
This places
npm run build