Update prettier to version 1.19.1 (#304)

* chore(package): update prettier to version 1.19.1

Closes #293

* Format code

Co-authored-by: greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>

package.json

@@ -38,7 +38,7 @@
     "eslint-config-problems": "2.0.0",
     "nyc": "^14.0.0",
     "postcss-import": "^12.0.0",
-    "prettier": "~1.18.0",
+    "prettier": "~1.19.1",
     "sugarss": "^2.0.0",
     "uuid": "^3.0.1"
   },

test/watch.js

@@ -62,9 +62,10 @@ testCb('--watch works', t => {
 
       // Helper functions:
       function isEqual(p, expected) {
-        return Promise.all([read(path.join(dir, p)), read(expected)]).then(
-          ([a, e]) => t.is(a, e)
-        )
+        return Promise.all([
+          read(path.join(dir, p)),
+          read(expected)
+        ]).then(([a, e]) => t.is(a, e))
       }
 
       function done(err) {
@@ -142,9 +143,10 @@ testCb('--watch postcss.config.js', t => {
 
       // Helper functions:
       function isEqual(p, expected) {
-        return Promise.all([read(path.join(dir, p)), read(expected)]).then(
-          ([a, e]) => t.is(a, e)
-        )
+        return Promise.all([
+          read(path.join(dir, p)),
+          read(expected)
+        ]).then(([a, e]) => t.is(a, e))
       }
 
       function done(err) {
@@ -212,9 +214,10 @@ testCb('--watch dependencies', t => {
 
       // Helper functions:
       function isEqual(p, expected) {
-        return Promise.all([read(path.join(dir, p)), read(expected)]).then(
-          ([a, e]) => t.is(a, e)
-        )
+        return Promise.all([
+          read(path.join(dir, p)),
+          read(expected)
+        ]).then(([a, e]) => t.is(a, e))
       }
 
       function done(err) {