Fix eslint warnings, update eslint config

.eslintrc.js

@@ -1,37 +1,47 @@
 module.exports = {
-  "extends": ["airbnb/base", "prettier"],
-  "plugins": [
-    "prettier", "babel", "html"
-  ],
-  "rules": {
-    "prettier/prettier": ["error"],
-    "camelcase": "off",
-    "import/no-extraneous-dependencies": "off",
-    "import/prefer-default-export": "off",
-    "import/no-named-as-default": "off",
-    "jsx-a11y/no-static-element-interactions": "off",
-    "jsx-a11y/click-events-have-key-events": "off",
-    "jsx-a11y/label-has-associated-control": "off",
-    "jsx-a11y/label-has-for": "off",
-    "jsx-a11y/anchor-is-valid": "off",
-    'import/no-unresolved': "off",
+  extends: ['airbnb/base', 'prettier', 'plugin:vue/recommended'],
+  parserOptions: {
+    parser: 'babel-eslint',
+    ecmaVersion: 2017,
+    sourceType: 'module',
   },
-  "settings": {
-    "import/resolver": {
-      "webpack": {
-        "config": "config/webpack/resolve.js"
+  plugins: ['html', 'prettier', 'babel'],
+  rules: {
+    'prettier/prettier': ['error'],
+    camelcase: 'off',
+    'import/no-extraneous-dependencies': 'off',
+    'import/prefer-default-export': 'off',
+    'import/no-named-as-default': 'off',
+    'jsx-a11y/no-static-element-interactions': 'off',
+    'jsx-a11y/click-events-have-key-events': 'off',
+    'jsx-a11y/label-has-associated-control': 'off',
+    'jsx-a11y/label-has-for': 'off',
+    'jsx-a11y/anchor-is-valid': 'off',
+    'import/no-unresolved': 'off',
+    'vue/max-attributes-per-line': ['error', {
+      'singleline': 3,
+      'multiline': {
+        'max': 1,
+        'allowFirstLine': false
       }
-    }
+    }],
+    'vue/html-self-closing': false
   },
-  "env": {
-    "browser": true,
-    "node": true,
-    "jest": true
+  settings: {
+    'import/resolver': {
+      webpack: {
+        config: 'config/webpack/resolve.js',
+      },
+    },
   },
-  "parser": "babel-eslint",
-  "globals": {
-    "__WEBPACK_ENV__": true,
-    "__PUSHER__": true,
-    "__FB_APP_ID__": true
-  }
-}
+  env: {
+    browser: true,
+    node: true,
+    jest: true,
+  },
+  globals: {
+    __WEBPACK_ENV__: true,
+    __PUSHER__: true,
+    __FB_APP_ID__: true,
+  },
+};