feat(techdocs): use entity title in searchbar placeholder

Signed-off-by: Ömer Faruk Doğan <8117265+omerfarukdogan@users.noreply.github.com>

.changeset/tall-jobs-warn.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+Use entity title in `TechDocsSearch` placeholder if available.

plugins/techdocs/api-report.md

@@ -380,6 +380,7 @@ export const TechDocsSearch: (props: TechDocsSearchProps) => JSX.Element;
 // @public
 export type TechDocsSearchProps = {
   entityId: CompoundEntityRef;
+  entityTitle?: string;
   debounceTime?: number;
 };
 

plugins/techdocs/src/reader/components/TechDocsReaderPageContent/TechDocsReaderPageContent.tsx

@@ -114,7 +114,10 @@ export const TechDocsReaderPageContent = withTechDocsReaderProvider(
           </Grid>
           {withSearch && (
             <Grid className={classes.search} xs="auto" item>
-              <TechDocsSearch entityId={entityRef} />
+              <TechDocsSearch
+                entityId={entityRef}
+                entityTitle={entityMetadata?.metadata?.title}
+              />
             </Grid>
           )}
           <Grid xs={12} item>

plugins/techdocs/src/search/components/TechDocsSearch.tsx

@@ -46,6 +46,7 @@ const useStyles = makeStyles({
  */
 export type TechDocsSearchProps = {
   entityId: CompoundEntityRef;
+  entityTitle?: string;
   debounceTime?: number;
 };
 
@@ -64,7 +65,7 @@ type TechDocsSearchResult = {
 };
 
 const TechDocsSearchBar = (props: TechDocsSearchProps) => {
-  const { entityId, debounceTime = 150 } = props;
+  const { entityId, entityTitle, debounceTime = 150 } = props;
   const [open, setOpen] = useState(false);
   const navigate = useNavigate();
   const {
@@ -160,7 +161,7 @@ const TechDocsSearchBar = (props: TechDocsSearchProps) => {
           data-testid="techdocs-search-bar-input"
           variant="outlined"
           fullWidth
-          placeholder={`Search ${entityId.name} docs`}
+          placeholder={`Search ${entityTitle || entityId.name} docs`}
           value={value}
           onChange={handleQuery}
           InputProps={{