refactor!: convert to Polymer 3

vaadin/vaadin-icons#98

Author: web-padawan

packages/vaadin-icons/.editorconfig

@@ -1,15 +1,15 @@
 {
-  "extends": "vaadin",
+  "extends": [
+    "eslint:recommended",
+    "plugin:prettier/recommended"
+  ],
+  "plugins": ["prettier"],
   "env": {
     "browser": true,
-    "node": true,
     "es6": true
   },
-  "plugins": [
-    "html"
-  ],
-  "globals": {
-    "Polymer": false,
-    "Vaadin": false
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": 2020
   }
 }

packages/vaadin-icons/.eslintrc.json

@@ -0,0 +1,19 @@
+name: tests
+
+on: [pull_request]
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v1
+      with:
+        node-version: 12
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Lint JavaScript
+      run: npm run lint

packages/vaadin-icons/.gemini.yml

@@ -0,0 +1,6 @@
+{
+  "singleQuote": true,
+  "printWidth": 120,
+  "trailingComma": "none",
+  "htmlWhitespaceSensitivity": "strict"
+}

packages/vaadin-icons/.github/workflows/lint.yml

@@ -1,46 +1,19 @@
+# Vaadin Icons
+
 [![npm version](https://badgen.net/npm/v/@vaadin/vaadin-icons)](https://www.npmjs.com/package/@vaadin/vaadin-icons)
-[![Bower version](https://badgen.net/github/release/vaadin/vaadin-icons)](https://github.com/vaadin/vaadin-icons/releases)
 [![Published on webcomponents.org](https://img.shields.io/badge/webcomponents.org-published-blue.svg)](https://www.webcomponents.org/element/vaadin/vaadin-icons)
 [![Build status](https://travis-ci.org/vaadin/vaadin-icons.svg?branch=master)](https://travis-ci.org/vaadin/vaadin-icons)
-[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/vaadin/web-components?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
-
 [![Published on Vaadin Directory](https://img.shields.io/badge/Vaadin%20Directory-published-00b4f0.svg)](https://vaadin.com/directory/component/vaadinvaadin-icons)
 [![Stars on vaadin.com/directory](https://img.shields.io/vaadin-directory/star/vaadinvaadin-icons.svg)](https://vaadin.com/directory/component/vaadinvaadin-icons)
 
-# Vaadin Icons
-
 [<img src="https://raw.github.com/vaadin/vaadin-icons/master/screenshot.png" width="611" alt="Screenshot of some icons in the Vaadin Icons collection" />](https://vaadin.com/icons)
 
-
 [Vaadin Icons](https://vaadin.com/icons) is a set of 600+ icons designed for web applications. Free to use, anywhere!
 
 Visit **https://vaadin.com/icons** for more information and instructions how to get started using them.
 
 ## Installation
 
-The Vaadin components are distributed as Bower and npm packages.
-Please note that the version range is the same, as the API has not changed.
-You should not mix Bower and npm versions in the same application, though.
-
-Unlike the official Polymer Elements, the converted Polymer 3 compatible Vaadin components
-are only published on npm, not pushed to GitHub repositories.
-
-### Polymer 2 and HTML Imports compatible version
-
-Install `vaadin-icons`:
-
-```sh
-bower i vaadin/vaadin-icons --save
-```
-
-Once installed, import it in your application:
-
-```html
-<link rel="import" href="bower_components/vaadin-icons/vaadin-icons.html">
-```
-
-### Polymer 3 and ES Modules compatible version
-
 Install `vaadin-icons`:
 
 ```sh
@@ -53,17 +26,17 @@ Once installed, import it in your application:
 import '@vaadin/vaadin-icons/vaadin-icons.js';
 ```
 
+## Running API docs in a browser
 
-## Running demos in browser
-
-1. Install [polymer-cli](https://www.npmjs.com/package/polymer-cli): `npm install -g polymer-cli`
+1. Fork the `vaadin-icons` repository and clone it locally.
 
-1. When in the `vaadin-icons` directory, run `bower install` to install Bower dependencies
+1. Make sure you have [node.js](https://nodejs.org/) 12.x installed.
 
-1. Run `npm start`, after that you will be able to access:
+1. Make sure you have [npm](https://www.npmjs.com/) installed.
 
-  - http://127.0.0.1:3000/components/vaadin-icons/demo
+1. When in the `vaadin-icons` directory, run `npm install` to install dependencies.
 
+1. Run `npm start`, browser will automatically open the component API documentation.
 
 ## License