library tree item label builder

Signed-off-by: Andrew Twydell <[email protected]>

packages/vsce/src/trees/treeItems/CICSLibraryTreeItem.ts

@@ -66,8 +66,7 @@ export class CICSLibraryTreeItem extends TreeItem {
         criteria: criteria,
       });
       const datasetArray = toArray(libraryResponse.response.records.cicslibrarydatasetname);
-      this.label = `${this.library.name}${this.parentRegion.parentPlex ? ` (${this.library.eyu_cicsname})` : ""}${this.activeFilter ? ` (${this.activeFilter}) ` : " "
-        }[${datasetArray.length}]`;
+      this.label = this.buildLabel(datasetArray);
       for (const dataset of datasetArray) {
         const newDatasetItem = new CICSLibraryDatasets(dataset, this.parentRegion, this); //this=CICSLibraryTreeItem
         this.addDataset(newDatasetItem);
@@ -78,8 +77,7 @@ export class CICSLibraryTreeItem extends TreeItem {
         window.showErrorMessage(`Resource Limit Exceeded - Set a datasets filter to narrow search`);
       } else if (this.children.length === 0) {
         window.showInformationMessage(`No datasets found`);
-        this.label = `${this.library.name}${this.parentRegion.parentPlex ? ` (${this.library.eyu_cicsname})` : ""}${this.activeFilter ? ` (${this.activeFilter}) ` : " "
-          }[0]`;
+        this.label = this.buildLabel([]);
       } else {
         window.showErrorMessage(
           `Something went wrong when fetching datasets - ${JSON.stringify(error, Object.getOwnPropertyNames(error)).replace(
@@ -91,6 +89,16 @@ export class CICSLibraryTreeItem extends TreeItem {
     }
   }
 
+  private buildLabel(datasetArray?: any[]) {
+    let labelContent = this.library.name;
+    labelContent += this.parentRegion.parentPlex ? ` (${this.library.eyu_cicsname})` : "";
+    labelContent += this.activeFilter ? ` (${this.activeFilter}) ` : " ";
+    if (datasetArray) {
+      labelContent += `[${datasetArray.length}]`;
+    }
+    return labelContent;
+  }
+
   public clearFilter() {
     this.activeFilter = undefined;
     this.contextValue = `cicslibrary.${this.activeFilter ? "filtered" : "unfiltered"}${this.library.name}`;