reinstate deleted Fn

packages/openscd/src/finder-list.ts

@@ -91,6 +91,9 @@ export class FinderList extends LitElement {
     return path.join('/');
   }
 
+  getDisplayString(entry: string, path: string[]): string {
+    return entry;
+  }
 
   @query('div')
   container!: Element;
@@ -150,11 +153,9 @@ export class FinderList extends LitElement {
           html`<mwc-list-item
             value="${entry}"
             ?activated=${this.getPaths(path.length)
-              .map(p => {
-               return JSON.stringify(p)
-              })
+              .map(p => JSON.stringify(p))
               .includes(JSON.stringify(path.concat(entry)))}
-            >${entry}</mwc-list-item
+            >${this.getDisplayString(entry, path)}</mwc-list-item
           >`
       )}
     </filtered-list>`;

packages/openscd/test/unit/finder-list.test.ts

@@ -30,6 +30,9 @@ function getTitle(path: Path): string {
   return `Testing ${path[path.length - 1]}`;
 }
 
+function getDisplayString(entry: string, path: string[]) {
+  return 'Testing ' + path.length + ' ' + entry;
+}
 
 async function read(path: Path): Promise<Directory> {
   const dir = path[path.length - 1];
@@ -108,8 +111,9 @@ describe('finder-list', () => {
         .property('children')
         .to.have.lengthOf(pathA.length));
 
-    describe('when provided with .getTitle method', () => {
+    describe('when provided with .getTitle and .getDisplayString methods', () => {
       beforeEach(async () => {
+        element.getDisplayString = getDisplayString;
         element.getTitle = getTitle;
         element.requestUpdate();
         await element.updateComplete;
@@ -122,7 +126,7 @@ describe('finder-list', () => {
           .to.satisfy((l: string) => l.startsWith('Testing '));
       });
 
-      it('overrides list-item text content using', () => {
+      it('overrides list-item text content using .getDisplayString', () => {
         expect(element.container.querySelector('mwc-list-item'))
           .property('text')
           .to.satisfy((t: string) => t.startsWith('Testing '));