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frontend/node_modules/rc-tree-select/es/utils/valueUtil.js

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+export var toArray = function toArray(value) {
+  return Array.isArray(value) ? value : value !== undefined ? [value] : [];
+};
+export var fillFieldNames = function fillFieldNames(fieldNames) {
+  var _ref = fieldNames || {},
+    label = _ref.label,
+    value = _ref.value,
+    children = _ref.children;
+  return {
+    _title: label ? [label] : ['title', 'label'],
+    value: value || 'value',
+    key: value || 'value',
+    children: children || 'children'
+  };
+};
+export var isCheckDisabled = function isCheckDisabled(node) {
+  return !node || node.disabled || node.disableCheckbox || node.checkable === false;
+};
+export var getAllKeys = function getAllKeys(treeData, fieldNames) {
+  var keys = [];
+  var dig = function dig(list) {
+    list.forEach(function (item) {
+      var children = item[fieldNames.children];
+      if (children) {
+        keys.push(item[fieldNames.value]);
+        dig(children);
+      }
+    });
+  };
+  dig(treeData);
+  return keys;
+};
+export var isNil = function isNil(val) {
+  return val === null || val === undefined;
+};