more clean up

src/Animate/index.js

@@ -7,7 +7,15 @@ const keyAccessor = () => '$$key$$'
 
 class Animate extends Component {
   render() {
-    const { show, start, enter, update, leave, interpolation, children } = this.props
+    const {
+      show,
+      start,
+      enter,
+      update,
+      leave,
+      interpolation,
+      children,
+    } = this.props
     const data = typeof start === 'function' ? start() : start
 
     return (
@@ -24,7 +32,7 @@ class Animate extends Component {
           if (!nodes[0]) {
             return null
           }
-  
+
           const renderedChildren = children(nodes[0].state)
           return renderedChildren && React.Children.only(renderedChildren)
         }}
@@ -83,4 +91,3 @@ Animate.defaultProps = {
 }
 
 export default Animate
-

src/NodeGroup/index.js

@@ -31,7 +31,7 @@ class NodeGroup extends Component {
       data: null,
     }
   }
-  
+
   static getDerivedStateFromProps(nextProps, prevState) {
     if (nextProps.data !== prevState.data) {
       const { data, keyAccessor, start, enter, update, leave } = nextProps
@@ -45,7 +45,7 @@ class NodeGroup extends Component {
 
       const nextKeyIndex = {}
       const nextNodeKeys = []
-  
+
       for (let i = 0; i < data.length; i++) {
         const d = data[i]
         const k = keyAccessor(d, i)
@@ -61,7 +61,7 @@ class NodeGroup extends Component {
           nodeHash[k] = node
         }
       }
-  
+
       for (let i = 0; i < nodeKeys.length; i++) {
         const k = nodeKeys[i]
         const n = nodeHash[k]
@@ -73,14 +73,14 @@ class NodeGroup extends Component {
           n.type = LEAVE
         }
       }
-  
+
       const mergedNodeKeys = mergeKeys(
         nodeKeys,
         keyIndex,
         nextNodeKeys,
         nextKeyIndex,
       )
-  
+
       for (let i = 0; i < mergedNodeKeys.length; i++) {
         const k = mergedNodeKeys[i]
         const n = nodeHash[k]
@@ -95,7 +95,7 @@ class NodeGroup extends Component {
           n.transition(update(d, nextKeyIndex[k]))
         }
       }
-  
+
       return {
         data,
         nodes: mergedNodeKeys.map(key => {
@@ -108,25 +108,25 @@ class NodeGroup extends Component {
 
     return null
   }
-  
+
   componentDidMount() {
     this.startInterval()
   }
-  
+
   componentDidUpdate(prevProps) {
     if (prevProps.data !== this.props.data && !this.unmounting) {
       this.startInterval()
     }
   }
-  
+
   startInterval() {
     if (!this.interval) {
       this.interval = interval(this.animate)
     } else {
       this.interval.restart(this.animate)
     }
   }
-  
+
   componentWillUnmount() {
     const { nodeKeys, nodeHash } = this.state
 
@@ -140,7 +140,7 @@ class NodeGroup extends Component {
       nodeHash[key].stopTransitions()
     })
   }
-  
+
   animate = () => {
     const { nodeKeys, nodeHash } = this.state
 
@@ -152,7 +152,7 @@ class NodeGroup extends Component {
 
     const nextNodeKeys = []
     const length = nodeKeys.length
-  
+
     for (let i = 0; i < length; i++) {
       const k = nodeKeys[i]
       const n = nodeHash[k]
@@ -169,7 +169,7 @@ class NodeGroup extends Component {
         nextNodeKeys.push(k)
       }
     }
-  
+
     if (!pending) {
       this.interval.stop()
     }
@@ -181,7 +181,7 @@ class NodeGroup extends Component {
       }),
     }))
   }
-  
+
   interval = null
   unmounting = false
 
@@ -234,4 +234,3 @@ NodeGroup.defaultProps = {
 }
 
 export default NodeGroup
-

src/NodeGroup/index.spec.js

@@ -53,15 +53,11 @@ describe('<NodeGroup />', () => {
     )
   })
 
-  it('should remove nodes that are not transitioning', (done) => {
+  it('should remove nodes that are not transitioning', done => {
     const data = getData()
 
     const wrapper = mount(
-      <NodeGroup
-        data={data}
-        keyAccessor={keyAccessor}
-        start={() => ({})}
-      >
+      <NodeGroup data={data} keyAccessor={keyAccessor} start={() => ({})}>
         {renderChildren}
       </NodeGroup>,
     )