chore: add prettier check script (#151)

Author: eddyerburgh

.prettierignore

@@ -0,0 +1,2 @@
+coverage
+package-lock.json

package.json

@@ -18,11 +18,12 @@
     "vue jest preprocessor"
   ],
   "scripts": {
-    "format": "prettier --no-semi --single-quote --write '{,!(node_modules)/**/}*.{js,json,md}'",
+    "format": "prettier --no-semi --single-quote --write '**/*.{js,json,md}'",
+    "format:check": "prettier --no-semi --single-quote --check '**/*.{js,json,md}'",
     "lint": "eslint --ignore-path .gitignore '{,!(node_modules)/**/}*.js'",
     "lint:fix": "npm run lint -- --fix",
     "release": "semantic-release",
-    "test": "npm run lint && npm run test:e2e",
+    "test": "npm run lint && npm run format:check && npm run test:e2e",
     "test:e2e": "node e2e/test-runner"
   },
   "author": "Edd Yerburgh",
@@ -51,7 +52,7 @@
     "less": "^3.9.0",
     "lint-staged": "^8.0.5",
     "node-sass": "^4.7.2",
-    "prettier": "^1.15.2",
+    "prettier": "^1.16.1",
     "pug": "^2.0.3",
     "semantic-release": "^15.13.2",
     "stylus": "^0.54.5",

yarn.lock

@@ -6891,10 +6891,10 @@ prettier@1.13.7:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.7.tgz#850f3b8af784a49a6ea2d2eaa7ed1428a34b7281"
   integrity sha512-KIU72UmYPGk4MujZGYMFwinB7lOf2LsDNGSOC8ufevsrPLISrZbNJlWstRi3m0AMuszbH+EFSQ/r6w56RSPK6w==
 
-prettier@^1.15.2:
-  version "1.15.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.3.tgz#1feaac5bdd181237b54dbe65d874e02a1472786a"
-  integrity sha512-gAU9AGAPMaKb3NNSUUuhhFAS7SCO4ALTN4nRIn6PJ075Qd28Yn2Ig2ahEJWdJwJmlEBTUfC7mMUSFy8MwsOCfg==
+prettier@^1.16.1:
+  version "1.16.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.1.tgz#534c2c9d7853f8845e5e078384e71973bd74089f"
+  integrity sha512-XXUITwIkGb3CPJ2hforHah/zTINRyie5006Jd2HKy2qz7snEJXl0KLfsJZW/wst9g6R2rFvqba3VpNYdu1hDcA==
 
 pretty-format@^23.6.0:
   version "23.6.0"