Initial commitHEADmain

Created from https://vercel.com/new

1 files changed, 71 insertions, 0 deletions

diff --git a/src/components/common/LoadingPanel.tsx b/src/components/common/LoadingPanel.tsx
new file mode 100644
index 0000000..fb37e14
--- /dev/null
+++ b/src/components/common/LoadingPanel.tsx
@@ -0,0 +1,71 @@
+import { Column, type ColumnProps, Loading } from '@umami/react-zen';
+import type { ReactNode } from 'react';
+import { Empty } from '@/components/common/Empty';
+import { ErrorMessage } from '@/components/common/ErrorMessage';
+
+export interface LoadingPanelProps extends ColumnProps {
+  data?: any;
+  error?: unknown;
+  isEmpty?: boolean;
+  isLoading?: boolean;
+  isFetching?: boolean;
+  loadingIcon?: 'dots' | 'spinner';
+  loadingPlacement?: 'center' | 'absolute' | 'inline';
+  renderEmpty?: () => ReactNode;
+  children: ReactNode;
+}
+
+export function LoadingPanel({
+  data,
+  error,
+  isEmpty,
+  isLoading,
+  isFetching,
+  loadingIcon = 'dots',
+  loadingPlacement = 'absolute',
+  renderEmpty = () => <Empty />,
+  children,
+  ...props
+}: LoadingPanelProps): ReactNode {
+  const empty = isEmpty ?? checkEmpty(data);
+
+  // Show loading spinner only if no data exists
+  if (isLoading || isFetching) {
+    return (
+      <Column position="relative" height="100%" width="100%" {...props}>
+        <Loading icon={loadingIcon} placement={loadingPlacement} />
+      </Column>
+    );
+  }
+
+  // Show error
+  if (error) {
+    return <ErrorMessage />;
+  }
+
+  // Show empty state (once loaded)
+  if (!error && !isLoading && !isFetching && empty) {
+    return renderEmpty();
+  }
+
+  // Show main content when data exists
+  if (!isLoading && !isFetching && !error && !empty) {
+    return children;
+  }
+
+  return null;
+}
+
+function checkEmpty(data: any) {
+  if (!data) return false;
+
+  if (Array.isArray(data)) {
+    return data.length <= 0;
+  }
+
+  if (typeof data === 'object') {
+    return Object.keys(data).length <= 0;
+  }
+
+  return !!data;
+}