refactor to use vue-cli 3.0

.browserslistrc

@@ -0,0 +1,3 @@
+> 1%
+last 2 versions
+not ie <= 8

.eslintignore

@@ -1,5 +1,3 @@
-/build/
-/config/
 /dist/
 /*.js
-/test/unit/coverage/
+/tests/unit/coverage/

.eslintrc.js

@@ -1,38 +1,20 @@
-// https://eslint.org/docs/user-guide/configuring
-
 module.exports = {
   root: true,
-  parserOptions: {
-    parser: 'babel-eslint'
-  },
   env: {
-    browser: true,
+    node: true
   },
-  extends: [
-    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
-    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
-    'plugin:vue/recommended',
-    //https://github.com/prettier/prettier
-    'plugin:prettier/recommended',
-    'eslint:recommended'
-  ],
-  // required to lint *.vue files
-  plugins: [
-    'vue'
-  ],
-  // add your custom rules here
+  extends: ['plugin:vue/recommended', '@vue/prettier', 'eslint:recommended'],
   rules: {
-    // allow async-await
+    'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
+    'no-else-return': ['error', { allowElseIf: true }],
+    'arrow-parens': 'off',
     'generator-star-spacing': 'off',
-    // allow debugger during development
-    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
+    semi: 'off',
+    'prefer-const': 'error',
+    'no-var': 'error'
   },
-  globals: {
-    "Buffer": false,
-    "module": false,
-    "require": false,
-    "__dirname": false,
-    "exports": false,
-    "process": false
+  parserOptions: {
+    parser: 'babel-eslint'
   }
-}
+};

.gitignore

@@ -4,8 +4,7 @@ node_modules/
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
-/test/unit/coverage/
-/test/e2e/reports/
+/tests/unit/coverage/
 selenium-debug.log
 
 # Editor directories and files

babel.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  presets: ['@vue/app']
+};