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node_modules/@react-navigation/elements/lib/module/Lazy.js

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+"use strict";
+
+import * as React from 'react';
+/**
+ * Render content lazily based on visibility.
+ *
+ * When enabled:
+ * - If content is visible, it will render immediately
+ * - If content is not visible, it won't render until it becomes visible
+ *
+ * Otherwise:
+ * - If content is visible, it will render immediately
+ * - If content is not visible, it will defer rendering until idle
+ *
+ * Once rendered, the content remains rendered.
+ */
+export function Lazy({
+  enabled,
+  visible,
+  children
+}) {
+  const [rendered, setRendered] = React.useState(enabled ? visible : false);
+  const shouldRenderInIdle = !(enabled || visible || rendered);
+  React.useEffect(() => {
+    if (shouldRenderInIdle === false) {
+      return;
+    }
+    const id = requestIdleCallback(() => {
+      setRendered(true);
+    });
+    return () => cancelIdleCallback(id);
+  }, [shouldRenderInIdle]);
+  if (visible && rendered === false) {
+    setRendered(true);
+    return children;
+  }
+  if (rendered) {
+    return children;
+  }
+  return null;
+}
+//# sourceMappingURL=Lazy.js.map