Update dependencies (#22)

.travis.yml

@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - '8'
+  - '10'
   - 'lts/*'
 install:
   - npm install

__tests__/index.js

@@ -16,13 +16,13 @@ describe('flags no warnings with valid CSS', () => {
   });
 
   it('did not error', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.errored).toBeFalsy()
     ))
   ));
 
   it('flags no warnings', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings.length).toBe(0)
     ))
   ));
@@ -39,43 +39,43 @@ describe('flags warnings with invalid CSS', () => {
   });
 
   it('did error', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.errored).toBeTruthy()
     ))
   ));
 
   it('flags one warning', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings.length).toBe(1)
     ))
   ));
 
   it('correct warning text', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings[0].text).toBe('Unexpected !important (declaration-no-important)')
     ))
   ));
 
   it('correct rule flagged', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings[0].rule).toBe('declaration-no-important')
     ))
   ));
 
   it('correct severity flagged', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings[0].severity).toBe('error')
     ))
   ));
 
   it('correct line number', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings[0].line).toBe(2)
     ))
   ));
 
   it('correct column number', () => (
-    result.then(data => (
+    result.then((data) => (
       expect(data.results[0].warnings[0].column).toBe(18)
     ))
   ));