Fix crashes in content search autocomplete code

src/components/SearchPanelControls.js

@@ -2,6 +2,7 @@ import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import deburr from 'lodash/deburr';
 import debounce from 'lodash/debounce';
+import isObject from 'lodash/isObject';
 import Autocomplete from '@material-ui/lab/Autocomplete';
 import CircularProgress from '@material-ui/core/CircularProgress';
 import TextField from '@material-ui/core/TextField';
@@ -9,6 +10,10 @@ import SearchIcon from '@material-ui/icons/SearchSharp';
 import MiradorMenuButton from '../containers/MiradorMenuButton';
 import SearchPanelNavigation from '../containers/SearchPanelNavigation';
 
+/** Sometimes an autocomplete match can be a simple string, other times an object
+    with a `match` property, this function abstracts that away */
+const getMatch = (option) => (isObject(option) ? option.match : option);
+
 /** */
 export class SearchPanelControls extends Component {
   /** */
@@ -25,8 +30,7 @@ export class SearchPanelControls extends Component {
   }
 
   /**
-   * Set the component's local search state
-   * to blank when the query has been cleared
+   * Update the query in the component state if the query has changed in the redux store
    */
   componentDidUpdate(prevProps) {
     const { query } = this.props;
@@ -98,8 +102,8 @@ export class SearchPanelControls extends Component {
 
   /** */
   selectItem(_event, selectedItem, _reason) {
-    if (selectedItem && selectedItem.match) {
-      this.setState({ search: selectedItem.match }, this.submitSearch);
+    if (selectedItem && getMatch(selectedItem)) {
+      this.setState({ search: getMatch(selectedItem) }, this.submitSearch);
     }
   }
 
@@ -118,15 +122,15 @@ export class SearchPanelControls extends Component {
             id={id}
             inputValue={search}
             options={suggestions}
-            getOptionLabel={option => option.match}
+            getOptionLabel={getMatch}
             getOptionSelected={(option, value) => (
-              deburr(option.match.trim()).toLowerCase()
-                === deburr(value.match.trim()).toLowerCase()
+              deburr(getMatch(option).trim()).toLowerCase()
+                === deburr(getMatch(value).trim()).toLowerCase()
             )}
             noOptionsText=""
             onChange={this.selectItem}
             onInputChange={this.handleChange}
-            freeSolo={true}
+            freeSolo
             renderInput={params => (
               <TextField
                 {...params}