fixed bug that would cause error if waiting to update while the component disappeared

Author: James Burnett

.jshintrc

@@ -0,0 +1,6 @@
+{
+  "node": true,
+  "browser": true,
+  "esnext": true,
+  "laxcomma": true
+}

index.js

@@ -12,14 +12,20 @@ var LazyInput = React.createClass({
     return {
       type: 'text',
       lazyLevel: 1000
-    }
+    };
   },
   getInitialState: function() {
     return { value: this.props.value };
   },
   componentWillReceiveProps: function(nextProps) {
     this.updateIfNotLazy(nextProps.value);
   },
+  componentWillUnmount: function() {
+    if(this.procrastinationTimer) {
+      clearTimeout(this.procrastinationTimer);
+      this.procrastinating = false;
+    }
+  },
   updateIfNotLazy: function(newValue) {
     if(!this.procrastinating) {
       this.setState({ value: newValue, requestedValue: undefined });