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frontend/node_modules/rc-cascader/es/hooks/useDisplayValues.js

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+import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
+import _typeof from "@babel/runtime/helpers/esm/typeof";
+import { toPathOptions } from "../utils/treeUtil";
+import * as React from 'react';
+import { toPathKey } from "../utils/commonUtil";
+export default (function (rawValues, options, fieldNames, multiple, displayRender) {
+  return React.useMemo(function () {
+    var mergedDisplayRender = displayRender ||
+    // Default displayRender
+    function (labels) {
+      var mergedLabels = multiple ? labels.slice(-1) : labels;
+      var SPLIT = ' / ';
+      if (mergedLabels.every(function (label) {
+        return ['string', 'number'].includes(_typeof(label));
+      })) {
+        return mergedLabels.join(SPLIT);
+      }
+
+      // If exist non-string value, use ReactNode instead
+      return mergedLabels.reduce(function (list, label, index) {
+        var keyedLabel = /*#__PURE__*/React.isValidElement(label) ? /*#__PURE__*/React.cloneElement(label, {
+          key: index
+        }) : label;
+        if (index === 0) {
+          return [keyedLabel];
+        }
+        return [].concat(_toConsumableArray(list), [SPLIT, keyedLabel]);
+      }, []);
+    };
+    return rawValues.map(function (valueCells) {
+      var _valueOptions;
+      var valueOptions = toPathOptions(valueCells, options, fieldNames);
+      var label = mergedDisplayRender(valueOptions.map(function (_ref) {
+        var _option$fieldNames$la;
+        var option = _ref.option,
+          value = _ref.value;
+        return (_option$fieldNames$la = option === null || option === void 0 ? void 0 : option[fieldNames.label]) !== null && _option$fieldNames$la !== void 0 ? _option$fieldNames$la : value;
+      }), valueOptions.map(function (_ref2) {
+        var option = _ref2.option;
+        return option;
+      }));
+      var value = toPathKey(valueCells);
+      return {
+        label: label,
+        value: value,
+        key: value,
+        valueCells: valueCells,
+        disabled: (_valueOptions = valueOptions[valueOptions.length - 1]) === null || _valueOptions === void 0 || (_valueOptions = _valueOptions.option) === null || _valueOptions === void 0 ? void 0 : _valueOptions.disabled
+      };
+    });
+  }, [rawValues, options, fieldNames, displayRender, multiple]);
+});