diff --git a/.eslintignore b/.eslintignore
index 8bd9527d..baf2ec04 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,4 +1,5 @@
 lib
 node_modules
+scripts
 test/output
 test/fixtures
diff --git a/.eslintrc b/.eslintrc
index 50bf9694..e5cddf5d 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -3,10 +3,10 @@
     "es6": true,
     "node": true
   },
-  "extends": [
-    "eslint-config-babel"
-  ],
+  "extends": ["eslint-config-babel"],
+  "plugins": ["prettier"],
   "rules": {
-    "arrow-parens": "off"
+    "arrow-parens": "off",
+    "prettier/prettier": ["error", { "trailingComma": "all" }]
   }
 }
diff --git a/package.json b/package.json
index 6caf093e..d3db2258 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "eslint": "^3.8.1",
     "eslint-config-babel": "^6.0.0",
     "eslint-plugin-flowtype": "^2.25.0",
+    "eslint-plugin-prettier": "^2.1.2",
     "husky": "^0.13.2",
     "lint-staged": "^3.3.1",
     "nyc": "^11.0.1",
@@ -44,7 +45,7 @@
   "scripts": {
     "clean": "rimraf lib/",
     "build": "babel src/ --out-dir lib/",
-    "format": "prettier --write --trailing-comma all \"src/**/*.js\" \"test/*.test.js\" \"test/helpers/*.js\" && prettier --write --trailing-comma es5 \"scripts/*.js\"",
+    "format": "prettier --write --trailing-comma all \"src/**/*.js\" \"test/**/*.test.js\" \"test/helpers/*.js\" && prettier --write --trailing-comma es5 \"scripts/*.js\"",
     "lint": "eslint src test",
     "precommit": "lint-staged",
     "prepublish": "yarn run clean && yarn run build",
diff --git a/test/utils/relative.test.js b/test/utils/relative.test.js
index 851cc830..96183b2d 100644
--- a/test/utils/relative.test.js
+++ b/test/utils/relative.test.js
@@ -3,35 +3,35 @@ import os from "os";
 import relative from "../../lib/utils/relative.js";
 
 if (os.platform() === "win32") {
-  test("should get correct relative path - depth 0 - windows", (t) => {
+  test("should get correct relative path - depth 0 - windows", t => {
     t.is(relative("C:\\the\\root", "C:\\the\\root\\one.js"), "one.js");
   });
 
-  test("should get correct relative path - depth 1 - windows", (t) => {
+  test("should get correct relative path - depth 1 - windows", t => {
     t.is(relative("C:\\the\\root", "C:\\the\\rootone.js"), "..\\rootone.js");
   });
 
-  test("should get correct relative path - depth 2 - windows", (t) => {
+  test("should get correct relative path - depth 2 - windows", t => {
     t.is(relative("C:\\the\\root", "C:\\therootone.js"), "C:\\therootone.js");
   });
 
-  test("should get correct relative path with main root - depth 0 - windows", (t) => {
+  test("should get correct relative path with main root - depth 0 - windows", t => {
     t.is(relative("C:\\", "C:\\the\\root\\one.js"), "the\\root\\one.js");
   });
 } else {
-  test("should get correct relative path - depth 0", (t) => {
+  test("should get correct relative path - depth 0", t => {
     t.is(relative("/the/root", "/the/root/one.js"), "one.js");
   });
 
-  test("should get correct relative path - depth 1", (t) => {
+  test("should get correct relative path - depth 1", t => {
     t.is(relative("/the/root", "/the/rootone.js"), "../rootone.js");
   });
 
-  test("should get correct relative path - depth 2", (t) => {
+  test("should get correct relative path - depth 2", t => {
     t.is(relative("/the/root", "/therootone.js"), "/therootone.js");
   });
 
-  test("should get correct relative path with main root - depth 0", (t) => {
+  test("should get correct relative path with main root - depth 0", t => {
     t.is(relative("/", "/the/root/one.js"), "the/root/one.js");
   });
 }
diff --git a/yarn.lock b/yarn.lock
index 6c6c2bc8..a2b6abc4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1717,6 +1717,13 @@ eslint-plugin-flowtype@^2.25.0:
   dependencies:
     lodash "^4.15.0"
 
+eslint-plugin-prettier@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.1.2.tgz#4b90f4ee7f92bfbe2e926017e1ca40eb628965ea"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^20.0.1"
+
 eslint@^3.8.1:
   version "3.19.0"
   resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
@@ -1890,6 +1897,10 @@ extsprintf@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.0.2.tgz#e1080e0658e300b06294990cc70e1502235fd550"
 
+fast-diff@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.1.tgz#0aea0e4e605b6a2189f0e936d4b7fbaf1b7cfd9b"
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -2680,6 +2691,10 @@ jest-diff@19.0.0, jest-diff@^19.0.0:
     jest-matcher-utils "^19.0.0"
     pretty-format "^19.0.0"
 
+jest-docblock@^20.0.1:
+  version "20.0.3"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-20.0.3.tgz#17bea984342cc33d83c50fbe1545ea0efaa44712"
+
 jest-file-exists@^19.0.0:
   version "19.0.0"
   resolved "https://registry.yarnpkg.com/jest-file-exists/-/jest-file-exists-19.0.0.tgz#cca2e587a11ec92e24cfeab3f8a94d657f3fceb8"