Security upgrades

node_modules/@material-ui/utils/deepmerge.js

@@ -0,0 +1,41 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.isPlainObject = isPlainObject;
+exports.default = deepmerge;
+
+var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
+
+var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));
+
+function isPlainObject(item) {
+  return item && (0, _typeof2.default)(item) === 'object' && item.constructor === Object;
+}
+
+function deepmerge(target, source) {
+  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {
+    clone: true
+  };
+  var output = options.clone ? (0, _extends2.default)({}, target) : target;
+
+  if (isPlainObject(target) && isPlainObject(source)) {
+    Object.keys(source).forEach(function (key) {
+      // Avoid prototype pollution
+      if (key === '__proto__') {
+        return;
+      }
+
+      if (isPlainObject(source[key]) && key in target) {
+        output[key] = deepmerge(target[key], source[key], options);
+      } else {
+        output[key] = source[key];
+      }
+    });
+  }
+
+  return output;
+}