Fix CloudShell terminal hanging for Mongo and Cassandra shells due to missing updateTerminalData method (#2199)

src/Explorer/Tabs/CloudShellTab/Utils/AttachAddOn.tsx

@@ -135,7 +135,11 @@ export class AttachAddon implements ITerminalAddon {
         }
 
         if (this._allowTerminalWrite) {
-          const updatedData = this._shellHandler?.updateTerminalData(data) ?? data;
+          const updatedData =
+            typeof this._shellHandler?.updateTerminalData === "function"
+              ? this._shellHandler.updateTerminalData(data)
+              : data;
+
           const suppressedData = this._shellHandler?.getTerminalSuppressedData();
 
           const shouldNotWrite = suppressedData.filter(Boolean).some((item) => updatedData.includes(item));

src/Explorer/Tabs/CloudShellTab/Utils/CommonUtils.tsx

@@ -50,3 +50,34 @@ export const getShellNameForDisplay = (terminalKind: TerminalKind): string => {
       return "";
   }
 };
+
+/**
+ * Get MongoDB shell information text that should be removed from terminal output
+ */
+export const getMongoShellRemoveInfoText = (): string[] => {
+  return [
+    "For mongosh info see: https://www.mongodb.com/docs/mongodb-shell/",
+    "disableTelemetry() command",
+    "https://www.mongodb.com/legal/privacy-policy",
+  ];
+};
+
+export const filterAndCleanTerminalOutput = (data: string, removeInfoText: string[]): string => {
+  if (!data || removeInfoText.length === 0) {
+    return data;
+  }
+
+  const lines = data.split("\n");
+  const filteredLines: string[] = [];
+
+  for (let i = 0; i < lines.length; i++) {
+    const line = lines[i];
+    const shouldRemove = removeInfoText.some((text) => line.includes(text));
+
+    if (!shouldRemove) {
+      filteredLines.push(line);
+    }
+  }
+
+  return filteredLines.join("\n").replace(/((\r\n)|\n|\r){2,}/g, "\r\n");
+};