start using prettier and jest

.babelrc

@@ -0,0 +1,7 @@
+{
+  "env": {
+    "test": {
+      "presets": ["env", "react"]
+    }
+  }
+}

.eslintrc

@@ -1,5 +1,5 @@
 {
-  "extends": "eslint:recommended",
+  "extends": ["eslint:recommended", "prettier"],
   "parser": "babel-eslint",
   "parserOptions": {
     "ecmaVersion": 6,
@@ -33,29 +33,17 @@
   ],
   "rules": {
     "accessor-pairs": ["error"],
-    "array-bracket-spacing": ["error"],
-    "arrow-parens": ["error", "as-needed"],
-    "arrow-spacing": ["error"],
     "block-scoped-var": ["error"],
-    "comma-dangle": ["error"],
-    "comma-spacing": ["error"],
     "consistent-return": ["error"],
     "curly": ["error", "all"],
     "default-case": ["error"],
     "dot-location": ["off"],
     "dot-notation": ["error"],
     "eqeqeq": ["error"],
     "guard-for-in": ["off"],
-    "import/export": "error",
     "import/named": ["off"],
-    "import/namespace": ["off"],
     "import/no-duplicates": ["error"],
     "import/no-named-as-default": ["error"],
-    "import/no-unresolved": ["off"],
-    "jsx-quotes": ["error", "prefer-double"],
-    "key-spacing": ["error"],
-    "keyword-spacing": ["error"],
-    "max-len": ["error", 120, 4],
     "new-cap": ["error"],
     "no-alert": [1],
     "no-caller": ["error"],
@@ -70,18 +58,15 @@
     "no-extend-native": ["error"],
     "no-extra-bind": ["error"],
     "no-extra-boolean-cast": ["error"],
-    "no-floating-decimal": ["error"],
     "no-inline-comments": ["error"],
     "no-implicit-coercion": ["error"],
-    "no-trailing-spaces": ["error"],
     "no-implied-eval": ["error"],
     "no-inner-declarations": ["off"],
     "no-invalid-this": ["error"],
     "no-iterator": ["error"],
     "no-labels": ["error"],
     "no-lone-blocks": ["error"],
     "no-loop-func": ["error"],
-    "no-multi-spaces": ["error"],
     "no-multi-str": ["error"],
     "no-native-reassign": ["error"],
     "no-new": ["error"],
@@ -103,11 +88,8 @@
     "no-useless-call": ["error"],
     "no-useless-concat": ["error"],
     "no-with": ["error"],
-    "object-curly-spacing": ["error", "never"],
     "prefer-const": ["error"],
-    "quotes": ["error", "single", "avoid-escape"],
     "radix": ["error"],
-    "react/jsx-closing-bracket-location": ["error", "line-aligned"],
     "react/jsx-no-duplicate-props": ["error"],
     "react/jsx-no-undef": ["error"],
     "react/jsx-uses-react": ["error"],
@@ -118,23 +100,13 @@
     "react/no-unknown-property": ["error"],
     "react/prefer-es6-class": ["error", "always"],
     "react/prop-types": "error",
-    "semi": ["error", "always"],
-    "space-before-function-paren": ["error", "never"],
-    "space-before-blocks": ["error"],
-    "space-in-parens": ["error", "never"],
-    "space-infix-ops": ["error"],
     "valid-jsdoc": ["error"],
-    "wrap-iife": ["error"],
     "yoda": ["error"],
     "spaced-comment": ["error", "always", {
       "block": {
         exceptions: ["*"]
       }
     }],
-    "indent": ["error", 4, {
-      "SwitchCase": 1,
-      "outerIIFEBody": 0
-    }],
     "no-unused-vars": ["error", {
         "args": "after-used",
         "argsIgnorePattern": "^_",
@@ -144,13 +116,6 @@
       "ignoreArrayIndexes": true,
       "ignore": [-1, 0, 1, 2, 100, 10, 16, 0.5, 25]
     }],
-    "no-underscore-dangle": ["error", {
-      "allowAfterThis": true,
-      "allow": ["__webapp_store"]
-    }],
-    "lines-around-comment": ["error", {
-      "beforeLineComment": true,
-      "allowBlockStart": true
-    }]
+    "no-underscore-dangle": ["off"]
   }
 }

.prettierrc

@@ -0,0 +1,5 @@
+{
+    "singleQuote": true,
+    "bracketSpacing": false,
+    "trailingComma": "es5"
+}