Initial public release

packages/ui/src/lib/configUpdate.ts

@@ -0,0 +1,69 @@
+const DEFAULT_MESSAGE = "Updating OpenCode configuration...";
+
+type ConfigUpdateListener = (state: {
+  isUpdating: boolean;
+  message: string;
+}) => void;
+
+let pendingCount = 0;
+let currentMessage = DEFAULT_MESSAGE;
+const listeners = new Set<ConfigUpdateListener>();
+
+function notify() {
+  const snapshot = {
+    isUpdating: pendingCount > 0,
+    message: currentMessage,
+  };
+  listeners.forEach((listener) => listener(snapshot));
+}
+
+export function startConfigUpdate(message?: string) {
+  pendingCount += 1;
+  if (pendingCount === 1) {
+    currentMessage = message || DEFAULT_MESSAGE;
+    notify();
+  } else if (message) {
+    currentMessage = message;
+    notify();
+  }
+}
+
+export function finishConfigUpdate() {
+  if (pendingCount === 0) {
+    return;
+  }
+
+  pendingCount -= 1;
+  if (pendingCount === 0) {
+    currentMessage = DEFAULT_MESSAGE;
+    notify();
+  }
+}
+
+export function updateConfigUpdateMessage(message: string) {
+  if (currentMessage === message && pendingCount > 0) {
+    return;
+  }
+  currentMessage = message;
+  if (pendingCount > 0) {
+    notify();
+  }
+}
+
+export function subscribeConfigUpdate(listener: ConfigUpdateListener) {
+  listeners.add(listener);
+  listener({
+    isUpdating: pendingCount > 0,
+    message: currentMessage,
+  });
+  return () => {
+    listeners.delete(listener);
+  };
+}
+
+export function getConfigUpdateSnapshot() {
+  return {
+    isUpdating: pendingCount > 0,
+    message: currentMessage,
+  };
+}