Add missing aria-expanded attribute (fixes #215)

Author: CMTegner

lib/Autocomplete.js

@@ -431,12 +431,14 @@ let Autocomplete = React.createClass({
     }
 
     const { inputProps } = this.props
+    const open = ('open' in this.props ? this.props.open : this.state.isOpen)
     return (
       <div style={{...this.props.wrapperStyle}} {...this.props.wrapperProps}>
         <input
           {...inputProps}
           role="combobox"
           aria-autocomplete="list"
+          aria-expanded={open}
           autoComplete="off"
           ref="input"
           onFocus={this.composeEventHandlers(this.handleInputFocus, inputProps.onFocus)}
@@ -447,7 +449,7 @@ let Autocomplete = React.createClass({
           onClick={this.composeEventHandlers(this.handleInputClick, inputProps.onClick)}
           value={this.props.value}
         />
-        {('open' in this.props ? this.props.open : this.state.isOpen) && this.renderMenu()}
+        {open && this.renderMenu()}
         {this.props.debug && (
           <pre style={{marginLeft: 300}}>
             {JSON.stringify(_debugStates.slice(_debugStates.length - 5, _debugStates.length), null, 2)}