Fix lint errors

lib/behavior.js

@@ -4,4 +4,4 @@ module.exports = class Behavior {
     this.conditions = conditions || [];
     this.then = actions;
   }
-}
+};

lib/transformer.js

@@ -1,36 +1,7 @@
-var walk = require('tree-walk');
-
+const walk = require('tree-walk');
 const Behavior = require('./behavior');
 const actions = require('./actions');
 
-module.exports = class Transformer {
-  constructor(tree) {
-    this.behaviors = walk.filter(tree, walk.preorder, function(node) {
-      return node.type === 'behavior';
-    });
-  }
-
-  transform() {
-    return walk.reduce(this.behaviors, this.walk.bind(this));
-  }
-
-  walk(result, node) {
-    if(this[node.type]) {
-      return this[node.type](result, node);
-    } else {
-      return result || node;
-    }
-  }
-
-  action(node, result) {
-    return new Action(node.name, node.value);
-  }
-
-  behavior(result, node) {
-    return new Behavior(result.events, result.conditions, result.then);
-  }
-}
-
 class Action {
   constructor(name, value) {
     this.name = name;
@@ -41,3 +12,31 @@ class Action {
     actions[this.name](github, payload, this.value);
   }
 }
+
+module.exports = class Transformer {
+  constructor(tree) {
+    this.behaviors = walk.filter(tree, walk.preorder, node => {
+      return node.type === 'behavior';
+    });
+  }
+
+  transform() {
+    return walk.reduce(this.behaviors, this.walk.bind(this));
+  }
+
+  walk(result, node) {
+    if (this[node.type]) {
+      return this[node.type](result, node);
+    } else {
+      return result || node;
+    }
+  }
+
+  action(node) {
+    return new Action(node.name, node.value);
+  }
+
+  behavior(node) {
+    return new Behavior(node.events, node.conditions, node.then);
+  }
+};

package.json

@@ -26,7 +26,9 @@
   "xo": {
     "esnext": true,
     "space": true,
-    "rules": {},
+    "rules": {
+      "no-else-return": 0
+    },
     "ignores": [],
     "envs": [
       "node",

test/parser.js

@@ -42,9 +42,9 @@ describe('parser', () => {
 
     it('parses an event and action', () => {
       expect(parser.parse('on issues.opened then close;')).toEqual([{
-          type: 'behavior',
-          events: [{type: 'event', name: 'issues', action: 'opened'}],
-          then: [{type: 'action', name: 'close'}]
+        type: 'behavior',
+        events: [{type: 'event', name: 'issues', action: 'opened'}],
+        then: [{type: 'action', name: 'close'}]
       }]);
     });
 
@@ -143,9 +143,9 @@ describe('parser', () => {
         on issues # Ignore this
         then close;
       `)).toEqual([{
-          type: 'behavior',
-          events: [{type: 'event', name: 'issues'}],
-          then: [{type: 'action', name: 'close'}]
+        type: 'behavior',
+        events: [{type: 'event', name: 'issues'}],
+        then: [{type: 'action', name: 'close'}]
       }]);
     });
   });