refactor: removed he and added a util to decode html

Signed-off-by: Tommy Le <tommy_8786@hotmail.com>

plugins/stack-overflow/src/search/StackOverflowSearchResultListItem/StackOverflowSearchResultListItem.tsx

@@ -27,7 +27,7 @@ import {
 import { useAnalytics } from '@backstage/core-plugin-api';
 import type { ResultHighlight } from '@backstage/plugin-search-common';
 import { HighlightedSearchResultText } from '@backstage/plugin-search-react';
-import { decode } from 'he';
+import { decodeHtml } from '../../util';
 
 /**
  * Props for {@link StackOverflowSearchResultListItem}
@@ -45,13 +45,10 @@ export const StackOverflowSearchResultListItem = (
   props: StackOverflowSearchResultListItemProps,
 ) => {
   const { result, highlight } = props;
+
   const analytics = useAnalytics();
 
   const handleClick = () => {
-    if (!result) {
-      return;
-    }
-
     analytics.captureEvent('discover', result.title, {
       attributes: { to: result.location },
       value: props.rank,
@@ -73,12 +70,12 @@ export const StackOverflowSearchResultListItem = (
               <Link to={result.location} noTrack onClick={handleClick}>
                 {highlight?.fields?.title ? (
                   <HighlightedSearchResultText
-                    text={decode(highlight.fields.title)}
+                    text={decodeHtml(highlight.fields.title)}
                     preTag={highlight.preTag}
                     postTag={highlight.postTag}
                   />
                 ) : (
-                  decode(result.title)
+                  decodeHtml(result.title)
                 )}
               </Link>
             }
@@ -87,13 +84,13 @@ export const StackOverflowSearchResultListItem = (
                 <>
                   Author:{' '}
                   <HighlightedSearchResultText
-                    text={decode(highlight.fields.text)}
+                    text={decodeHtml(highlight.fields.text)}
                     preTag={highlight.preTag}
                     postTag={highlight.postTag}
                   />
                 </>
               ) : (
-                `Author: ${decode(result.text)}`
+                `Author: ${decodeHtml(result.text)}`
               )
             }
           />

plugins/stack-overflow/src/util.ts

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2024 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export function decodeHtml(input: string) {
+  const textContainer = document.createElement('textarea');
+  textContainer.innerHTML = input;
+  return textContainer.value;
+}