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node_modules/@fluentui/utilities/lib/asAsync.d.ts

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+/**
+ * asAsync - a HOC for async loading components.
+ *
+ * Usage:
+ *
+ * const AsyncDialog = asAsync({
+ *   load: () => import('Dialog').then(result => result.default),
+ * });
+ *
+ * React.render(domElement, <AsyncDialog asyncPlaceholder={ () => <Spinner/> } { ...dialogProps } />);
+ *
+ * Note the `asyncPlaceholder` prop will be respected when rendering the async component and it hasn't
+ * been loaded yet.
+ */
+import * as React from 'react';
+export interface IAsAsyncOptions<TProps> {
+    /**
+     * Callback which returns a promise resolving an object which exports the component.
+     */
+    load: () => Promise<React.ElementType<TProps>>;
+    /**
+     * Callback executed when async loading is complete.
+     */
+    onLoad?: () => void;
+    /**
+     * Callback when async loading fails.
+     */
+    onError?: (error: Error) => void;
+}
+/**
+ * Produces a component which internally loads the target component before first mount.
+ * The component passes all props through to the loaded component.
+ *
+ * This overload accepts a module with a default export for the component.
+ */
+export declare function asAsync<TProps extends {}>(options: IAsAsyncOptions<TProps>): React.ForwardRefExoticComponent<React.PropsWithoutRef<TProps & {
+    asyncPlaceholder?: React.ElementType | undefined;
+}> & React.RefAttributes<React.ElementType<TProps>>>;