Update style config and fix linting

Author: danez

.eslintrc

@@ -13,6 +13,9 @@
     "react/forbid-prop-types": 0,
     "react/sort-comp": 0,
     "jsx-a11y/no-static-element-interactions": 0,
-    "import/no-extraneous-dependencies": 0
+    "import/no-extraneous-dependencies": ["error", {
+      "devDependencies": ["**/__tests__/*-test.js"],
+      "optionalDependencies": false
+    }]
   }
 }

package.json

@@ -53,7 +53,7 @@
     "cross-env": "^3.0.0",
     "enzyme": "^2.3.0",
     "eslint": "^3.5.0",
-    "eslint-config-airbnb": "^11.0.0",
+    "eslint-config-airbnb": "^12.0.0",
     "eslint-plugin-import": "^1.8.0",
     "eslint-plugin-jsx-a11y": "^2.2.2",
     "eslint-plugin-react": "^6.2.1",

src/components/Tabs.js

@@ -39,7 +39,7 @@ export default class Tabs extends Component {
 
   constructor(props) {
     super(props);
-    this.state = this.copyPropsToState(this.props, this.state);
+    this.state = Tabs.copyPropsToState(this.props, this.state);
   }
 
   getChildContext() {
@@ -52,7 +52,7 @@ export default class Tabs extends Component {
     // Use a transactional update to prevent race conditions
     // when reading the state in copyPropsToState
     // See https://github.com/reactjs/react-tabs/issues/51
-    this.setState(state => this.copyPropsToState(newProps, state));
+    this.setState(state => Tabs.copyPropsToState(newProps, state));
   }
 
   setSelected(index, focus) {
@@ -257,7 +257,7 @@ export default class Tabs extends Component {
   };
 
   // This is an anti-pattern, so sue me
-  copyPropsToState(props, state) {
+  static copyPropsToState(props, state) {
     let selectedIndex = props.selectedIndex;
 
     // If no selectedIndex prop was supplied, then try

src/components/__tests__/Tabs-test.js

@@ -190,7 +190,7 @@ describe('react-tabs', () => {
     it('should not clone non tabs element', () => {
       class Demo extends React.Component {
         render() {
-          const plus = <div ref="yolo">+</div>;
+          const plus = <div ref="yolo">+</div>; // eslint-disable-line react/no-string-refs
 
           return (<Tabs>
             <TabList>