Configure prettier

A highly consistent auto-formatter that works by parsing the AST and the
pretty printing it.

See: https://prettier.io/

.eslintrc

@@ -1,30 +1,32 @@
 {
   "parser": "babel-eslint",
-  "plugins": ["babel"],
+  "plugins": [
+    "babel",
+    "prettier"
+  ],
   "env": {
     "browser": true,
     "es6": true
   },
-  "ecmaFeatures": {
-    "experimentalObjectRestSpread": true,
-    "modules": true
+  "parserOptions": {
+    "ecmaFeatures": {
+      "experimentalObjectRestSpread": true,
+      "modules": true
+    }
   },
   "root": true,
   "rules": {
-    "babel/arrow-parens": [2, "always"],
     "no-underscore-dangle": 0,
     "strict": [2, "global"],
     "eqeqeq": [2, "smart"],
     "no-undef": 2,
     "no-console": 1,
     "no-nested-ternary": 2,
-    "indent": [2, 2],
-    "quotes": [2, "single"],
-    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
-    "object-curly-spacing": [2, "always"],
-    "eol-last": 2,
-    "padded-blocks": [2, "never"],
-    "space-before-function-paren": [2, { "anonymous": "always", "named": "never" }],
-    "space-before-blocks": [2, "always"]
+    "prettier/prettier": [
+      "error",
+      {
+        "singleQuote": true
+      }
+    ]
   }
 }

package.json

@@ -39,9 +39,11 @@
     "coveralls": "^2.11.12",
     "eslint": "^4.3.0",
     "eslint-plugin-babel": "^4.1.2",
+    "eslint-plugin-prettier": "^2.1.2",
     "isomorphic-fetch": "^2.1.1",
     "nock": "^8.0.0",
     "normalizr": "^2.2.1",
+    "prettier": "^1.5.3",
     "rimraf": "^2.5.4",
     "tap-spec": "^4.1.1 ",
     "tape": "^4.6.0"