Security upgrades

node_modules/@material-ui/styles/ServerStyleSheets/ServerStyleSheets.js

@@ -0,0 +1,66 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
+
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
+
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
+
+var _react = _interopRequireDefault(require("react"));
+
+var _jss = require("jss");
+
+var _StylesProvider = _interopRequireDefault(require("../StylesProvider"));
+
+var _createGenerateClassName = _interopRequireDefault(require("../createGenerateClassName"));
+
+var ServerStyleSheets = /*#__PURE__*/function () {
+  function ServerStyleSheets() {
+    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    (0, _classCallCheck2.default)(this, ServerStyleSheets);
+    this.options = options;
+  }
+
+  (0, _createClass2.default)(ServerStyleSheets, [{
+    key: "collect",
+    value: function collect(children) {
+      // This is needed in order to deduplicate the injection of CSS in the page.
+      var sheetsManager = new Map(); // This is needed in order to inject the critical CSS.
+
+      this.sheetsRegistry = new _jss.SheetsRegistry(); // A new class name generator
+
+      var generateClassName = (0, _createGenerateClassName.default)();
+      return /*#__PURE__*/_react.default.createElement(_StylesProvider.default, (0, _extends2.default)({
+        sheetsManager: sheetsManager,
+        serverGenerateClassName: generateClassName,
+        sheetsRegistry: this.sheetsRegistry
+      }, this.options), children);
+    }
+  }, {
+    key: "toString",
+    value: function toString() {
+      return this.sheetsRegistry ? this.sheetsRegistry.toString() : '';
+    }
+  }, {
+    key: "getStyleElement",
+    value: function getStyleElement(props) {
+      return _react.default.createElement('style', (0, _extends2.default)({
+        id: 'jss-server-side',
+        key: 'jss-server-side',
+        dangerouslySetInnerHTML: {
+          __html: this.toString()
+        }
+      }, props));
+    }
+  }]);
+  return ServerStyleSheets;
+}();
+
+exports.default = ServerStyleSheets;