add all frontend files

node_modules/rc-cascader/es/hooks/useOptions.js

@@ -0,0 +1,22 @@
+import * as React from 'react';
+import useEntities from "./useEntities";
+export default function useOptions(mergedFieldNames, options) {
+  var mergedOptions = React.useMemo(function () {
+    return options || [];
+  }, [options]);
+
+  // Only used in multiple mode, this fn will not call in single mode
+  var getPathKeyEntities = useEntities(mergedOptions, mergedFieldNames);
+
+  /** Convert path key back to value format */
+  var getValueByKeyPath = React.useCallback(function (pathKeys) {
+    var keyPathEntities = getPathKeyEntities();
+    return pathKeys.map(function (pathKey) {
+      var nodes = keyPathEntities[pathKey].nodes;
+      return nodes.map(function (node) {
+        return node[mergedFieldNames.value];
+      });
+    });
+  }, [getPathKeyEntities, mergedFieldNames]);
+  return [mergedOptions, getPathKeyEntities, getValueByKeyPath];
+}