Use prettier for formatting

.eslintignore

@@ -0,0 +1,2 @@
+node_modules/
+tools/

.eslintrc.json

@@ -1,78 +1,24 @@
-{
-  "root": true,
-  "env": {
-    "node": true
-  },
-  "extends": [
-    "plugin:vue/recommended",
-    "eslint:recommended",
-    "@vue/standard"
-  ],
-  "rules": {
-    "no-unused-vars": "warn",
-    "no-console": "warn",
-    "indent": [
-      "off",
-      2
-    ],
-    "vue/html-indent": [
-      "warn",
-      2
-    ],
-    "vue/script-indent": [
-      "warn",
-      2,
-      {
-        "baseIndent": 1
-      }
-    ],
-    "vue/no-v-html": "error",
-    "vue/order-in-components": "warn",
-    "vue/no-multi-spaces": "warn",
-    "vue/require-prop-types": "warn",
-    "vue/require-default-prop": "warn",
-    "vue/attributes-order": "off",
-    "vue/max-attributes-per-line": ["warn", {
-      "singleline": 4,
-      "multiline": {
-        "max": 1,
-        "allowFirstLine": false
-      }
-    }],
-    "vue/no-use-v-if-with-v-for": "error",
-    "vue/html-closing-bracket-newline": "warn",
-    "vue/html-closing-bracket-spacing": "warn",
-    "vue/prop-name-casing": ["error", "camelCase"],
-    "eqeqeq": "warn",
-    "camelcase": "off",
-    "no-trailing-spaces": "warn",
-    "semi": [
-      "error",
-      "always"
-    ],
-    "quotes": "warn",
-    "object-curly-spacing": "warn",
-    "brace-style": [
-      "warn",
-      "1tbs",
-      {
-        "allowSingleLine": false
-      }
-    ],
-    "space-before-function-paren": [
-      "warn",
-      "never"
-    ],
-    "object-shorthand": [
-      "error",
-      "always"
-    ],
-    "no-var": "error",
-    "prefer-const": "error",
-    "no-multi-assign": "error",
-    "space-infix-ops": "warn"
-  },
-  "parserOptions": {
-    "parser": "babel-eslint"
-  }
-}
+{
+  "root": true,
+  "env": {
+    "node": true
+  },
+  "extends": ["plugin:vue/recommended", "@vue/prettier"],
+  "rules": {
+    "no-unused-vars": "warn",
+    "no-console": "warn",
+    "vue/no-v-html": "error",
+    "vue/order-in-components": "warn",
+    "vue/require-prop-types": "warn",
+    "vue/require-default-prop": "warn",
+    "vue/attributes-order": "off",
+    "vue/no-use-v-if-with-v-for": "error",
+    "vue/prop-name-casing": ["error", "camelCase"],
+    "eqeqeq": "warn",
+    "camelcase": "off",
+    "object-shorthand": ["error", "always"]
+  },
+  "parserOptions": {
+    "parser": "babel-eslint"
+  }
+}

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "semi": true,
+  "vueIndentScriptAndStyle": false,
+  "endOfLine": "auto",
+  "singleQuote": true,
+  "printWidth": 120
+}

babel.config.js

@@ -1,13 +1,10 @@
-module.exports = {
-  presets: [
-    ['@vue/app', {
-      polyfills: [
-        'es6.promise',
-        'es6.symbol',
-        'es6.array.from',
-        'es6.object.assign',
-        'es7.object.values'
-      ]
-    }]
-  ]
-};
+module.exports = {
+  presets: [
+    [
+      '@vue/app',
+      {
+        polyfills: ['es6.promise', 'es6.symbol', 'es6.array.from', 'es6.object.assign', 'es7.object.values'],
+      },
+    ],
+  ],
+};