Security upgrades

node_modules/@material-ui/styles/createGenerateClassName/createGenerateClassNameHash.js

@@ -0,0 +1,86 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = createGenerateClassNameHash;
+
+var _hash = _interopRequireDefault(require("@emotion/hash"));
+
+function safePrefix(classNamePrefix) {
+  var prefix = String(classNamePrefix);
+
+  if (process.env.NODE_ENV !== 'production') {
+    if (prefix.length >= 256) {
+      console.error("Material-UI: The class name prefix is too long: ".concat(prefix, "."));
+    }
+  }
+
+  return prefix;
+}
+
+var themeHashCache = {};
+/**
+ * Beta feature.
+ *
+ * This is an alternative to createGenerateClassName.js.
+ * Instead of using a index counter, it hash the style sheets to generate the class name.
+ * The class name call order invariant. With this property, we can cache the style sheets on the server.
+ */
+
+function createGenerateClassNameHash() {
+  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+  var _options$dangerouslyU = options.dangerouslyUseGlobalCSS,
+      dangerouslyUseGlobalCSS = _options$dangerouslyU === void 0 ? false : _options$dangerouslyU,
+      _options$productionPr = options.productionPrefix,
+      productionPrefix = _options$productionPr === void 0 ? 'jss' : _options$productionPr,
+      _options$seed = options.seed,
+      seed = _options$seed === void 0 ? '' : _options$seed;
+  var ruleCounter = 0;
+  return function (rule, styleSheet) {
+    var isStatic = !styleSheet.options.link;
+
+    if (dangerouslyUseGlobalCSS && styleSheet && styleSheet.options.name && isStatic) {
+      return "".concat(safePrefix(styleSheet.options.name), "-").concat(rule.key);
+    }
+
+    var suffix; // It's a static rule.
+
+    if (isStatic) {
+      var themeHash = themeHashCache[styleSheet.options.theme];
+
+      if (!themeHash) {
+        themeHash = (0, _hash.default)(JSON.stringify(styleSheet.options.theme));
+        themeHashCache[styleSheet.theme] = themeHash;
+      }
+
+      var raw = styleSheet.rules.raw[rule.key];
+      suffix = (0, _hash.default)("".concat(themeHash).concat(rule.key).concat(JSON.stringify(raw)));
+    }
+
+    if (!suffix) {
+      ruleCounter += 1;
+
+      if (process.env.NODE_ENV !== 'production') {
+        if (ruleCounter >= 1e10) {
+          console.warn(['Material-UI: You might have a memory leak.', 'The ruleCounter is not supposed to grow that much.'].join(''));
+        }
+      }
+
+      suffix = ruleCounter;
+    }
+
+    if (process.env.NODE_ENV === 'production') {
+      return "".concat(productionPrefix).concat(seed).concat(suffix);
+    } // Help with debuggability.
+
+
+    if (styleSheet.options.classNamePrefix) {
+      return "".concat(safePrefix(styleSheet.options.classNamePrefix), "-").concat(rule.key, "-").concat(seed).concat(suffix);
+    }
+
+    return "".concat(rule.key, "-").concat(seed).concat(suffix);
+  };
+}