[fixed] Workaround for selection bug in IE, fixes #80

Author: CMTegner

lib/Autocomplete.js

@@ -89,9 +89,18 @@ let Autocomplete = React.createClass({
     if (this.keyDownHandlers[event.key])
       this.keyDownHandlers[event.key].call(this, event)
     else {
+      const { selectionStart, value } = event.target
+      if (value === this.state.value)
+        // Nothing changed, no need to do anything. This also prevents
+        // our workaround below from nuking user-made selections
+        return
       this.setState({
         highlightedIndex: null,
         isOpen: true
+      }, () => {
+        // Restore caret position before autocompletion process
+        // to work around a setSelectionRange bug in IE (#80)
+        this.refs.input.selectionStart = selectionStart
       })
     }
   },