feat: Add prettier for node 6 config

examples/eslint/node6/comma-dangle.js

@@ -1,17 +1,17 @@
 'use strict';
 
-function foo() { }
+function foo() {}
 
 // no comma-dangle for functions
 foo(
-  1,
-  2
+  'some very long argument to force line break',
+  'another very long argument to force line break'
 );
 
 // yes comma-dangle for arrays/objects
 foo([
-  1,
-  2,
+  'some very long argument to force line break',
+  'another very long argument to force line break',
 ]);
 foo({
   x: 1,

examples/eslint/node6/generator.js

@@ -1,4 +1,6 @@
 'use strict';
 
-function* foo() { yield 42; }
+function* foo() {
+  yield 42;
+}
 foo();

examples/eslint/node6/ugly.js

@@ -0,0 +1,12 @@
+
+'use strict';
+function f (){
+
+    const x =  42;
+     return 2 * x;
+
+
+
+}
+
+f ()  ;

examples/eslint/node6/ugly.out.js

@@ -0,0 +1,8 @@
+'use strict';
+
+function f() {
+  const x = 42;
+  return 2 * x;
+}
+
+f();

node6.js

@@ -7,15 +7,21 @@ module.exports = {
   },
   plugins: [
     'node',
+    'prettier',
   ],
   rules: {
-    'node/no-unsupported-features': [2, { version: 6 }],
+    // Random stylistic choices
+    'prettier/prettier': ['error', {
+      singleQuote: true,
+      trailingComma: 'es5',
+    }],
+    'lines-around-directive': ['error', 'always'],
+
+    // Code convention
     'no-underscore-dangle': [2, { allowAfterThis: true }],
+
+    // Bug prevention
     strict: [2, 'global'],
-    'comma-dangle': [2, {
-      arrays: 'always-multiline',
-      objects: 'always-multiline',
-      functions: 'never',
-     }],
+    'node/no-unsupported-features': [2, { version: 6 }],
   }
 };

package.json

@@ -19,14 +19,16 @@
     "coffeelint-use-strict": "^1.0.0",
     "coffeescope2": "~0.4.2",
     "eslint-plugin-import": "^2.2.0",
-    "eslint-plugin-node": "^2.0.0"
+    "eslint-plugin-node": "^2.0.0",
+    "eslint-plugin-prettier": "^2.1.2"
   },
   "devDependencies": {
     "coffee-script": "^1.10.0",
     "coffeelint": "^1.15.7",
     "eslint": "^4.4.1",
     "globby": "^6.1.0",
     "mocha": "^3.5.0",
+    "prettier": "^1.5.3",
     "stylint": "^1.5.7"
   }
 }

test/lint.test.js

@@ -27,7 +27,12 @@ const GROUPS = [
         if (e.code !== 'ENOENT') throw e;
       }
 
-      assert.equal(first.errorCount, expected.errorCount);
+      try {
+        assert.equal(first.errorCount, expected.errorCount);
+      } catch (e) {
+        console.log(first.messages, expected.messages);
+        throw e;
+      }
 
       let expectedSource;
       try {
@@ -37,7 +42,7 @@ const GROUPS = [
         expectedSource = content;
       }
 
-      assert.equal(expectedSource, first.source || content);
+      assert.equal(expectedSource, first.output || content);
     },
   },
 ];