update

node_modules/ramda/es/internal/_clone.js

@@ -0,0 +1,53 @@
+import _cloneRegExp from "./_cloneRegExp.js";
+import type from "../type.js";
+/**
+ * Copies an object.
+ *
+ * @private
+ * @param {*} value The value to be copied
+ * @param {Array} refFrom Array containing the source references
+ * @param {Array} refTo Array containing the copied source references
+ * @param {Boolean} deep Whether or not to perform deep cloning.
+ * @return {*} The copied value.
+ */
+
+export default function _clone(value, refFrom, refTo, deep) {
+  var copy = function copy(copiedValue) {
+    var len = refFrom.length;
+    var idx = 0;
+
+    while (idx < len) {
+      if (value === refFrom[idx]) {
+        return refTo[idx];
+      }
+
+      idx += 1;
+    }
+
+    refFrom[idx + 1] = value;
+    refTo[idx + 1] = copiedValue;
+
+    for (var key in value) {
+      copiedValue[key] = deep ? _clone(value[key], refFrom, refTo, true) : value[key];
+    }
+
+    return copiedValue;
+  };
+
+  switch (type(value)) {
+    case 'Object':
+      return copy({});
+
+    case 'Array':
+      return copy([]);
+
+    case 'Date':
+      return new Date(value.valueOf());
+
+    case 'RegExp':
+      return _cloneRegExp(value);
+
+    default:
+      return value;
+  }
+}