Initial commit

- project skeleton
- storybook
- add LEDElement

.eslintrc.json

@@ -0,0 +1,23 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint", "prettier", "json"],
+  "env": {
+    "browser": true,
+    "es6": true,
+    "node": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended"
+  ],
+  "rules": {
+    "prettier/prettier": "error",
+    "@typescript-eslint/explicit-function-return-type": 0
+  }
+}

.gitignore

@@ -0,0 +1,6 @@
+.cache
+node_modules
+dist
+build
+*.log
+storybook-static

.prettierrc

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+{
+  "tabWidth": 2,
+  "useTabs": false,
+  "printWidth": 100,
+  "singleQuote": true
+}

.storybook/addons.js

@@ -0,0 +1 @@
+import '@storybook/addon-knobs/register';

.storybook/config.js

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+import { configure } from '@storybook/polymer';
+
+// automatically import all files ending in *.stories.ts
+configure(require.context('../src', true, /\.stories\.ts$/), module);

.storybook/webpack.config.js

@@ -0,0 +1,12 @@
+module.exports = ({ config }) => {
+  config.module.rules.push({
+    test: /\.(ts|tsx)$/,
+    use: [
+      {
+        loader: require.resolve('awesome-typescript-loader')
+      }
+    ]
+  });
+  config.resolve.extensions.push('.ts', '.tsx');
+  return config;
+};