getConnectionLabel refactor

packages/tools/src/getConnectionLabel.ts

@@ -0,0 +1,42 @@
+export function getDatabaseFileLabel(databaseFile) {
+  if (!databaseFile) return databaseFile;
+  const m = databaseFile.match(/[\/]([^\/]+)$/);
+  if (m) return m[1];
+  return databaseFile;
+}
+
+function getConnectionLabelCore(connection, { allowExplicitDatabase = true } = {}) {
+  if (!connection) {
+    return null;
+  }
+  if (connection.displayName) {
+    return connection.displayName;
+  }
+  if (connection.singleDatabase && connection.server && allowExplicitDatabase && connection.defaultDatabase) {
+    return `${connection.defaultDatabase} on ${connection.server}`;
+  }
+  if (connection.databaseFile) {
+    return getDatabaseFileLabel(connection.databaseFile);
+  }
+  if (connection.server) {
+    return connection.server;
+  }
+  if (connection.singleDatabase && connection.defaultDatabase) {
+    return `${connection.defaultDatabase}`;
+  }
+  if (connection.useDatabaseUrl) {
+    return `${connection.databaseUrl}`;
+  }
+
+  return '';
+}
+
+export function getConnectionLabel(connection, { allowExplicitDatabase = true, showUnsaved = false } = {}) {
+  const res = getConnectionLabelCore(connection, { allowExplicitDatabase });
+
+  if (res && showUnsaved && connection?.unsaved) {
+    return `${res} - unsaved`;
+  }
+
+  return res;
+}