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video-gen-admin/node_modules/@rc-component/overflow/es/hooks/useEffectState.js

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+import useEvent from "@rc-component/util/es/hooks/useEvent";
+import * as React from 'react';
+import { unstable_batchedUpdates } from 'react-dom';
+import channelUpdate from "./channelUpdate";
+/**
+ * Batcher for record any `useEffectState` need update.
+ */
+export function useBatcher() {
+  // Updater Trigger
+  const updateFuncRef = React.useRef(null);
+
+  // Notify update
+  const notifyEffectUpdate = callback => {
+    if (!updateFuncRef.current) {
+      updateFuncRef.current = [];
+      channelUpdate(() => {
+        unstable_batchedUpdates(() => {
+          updateFuncRef.current.forEach(fn => {
+            fn();
+          });
+          updateFuncRef.current = null;
+        });
+      });
+    }
+    updateFuncRef.current.push(callback);
+  };
+  return notifyEffectUpdate;
+}
+
+/**
+ * Trigger state update by `useLayoutEffect` to save perf.
+ */
+export default function useEffectState(notifyEffectUpdate, defaultValue) {
+  // Value
+  const [stateValue, setStateValue] = React.useState(defaultValue);
+
+  // Set State
+  const setEffectVal = useEvent(nextValue => {
+    notifyEffectUpdate(() => {
+      setStateValue(nextValue);
+    });
+  });
+  return [stateValue, setEffectVal];
+}