pre-installations and preparations

node_modules/@mui/utils/node/exactProp/exactProp.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = exactProp;
+var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
+// This module is based on https://github.com/airbnb/prop-types-exact repository.
+// However, in order to reduce the number of dependencies and to remove some extra safe checks
+// the module was forked.
+
+const specialProperty = 'exact-prop: \u200b';
+function exactProp(propTypes) {
+  if (process.env.NODE_ENV === 'production') {
+    return propTypes;
+  }
+  return (0, _extends2.default)({}, propTypes, {
+    [specialProperty]: props => {
+      const unsupportedProps = Object.keys(props).filter(prop => !propTypes.hasOwnProperty(prop));
+      if (unsupportedProps.length > 0) {
+        return new Error(`The following props are not supported: ${unsupportedProps.map(prop => `\`${prop}\``).join(', ')}. Please remove them.`);
+      }
+      return null;
+    }
+  });
+}

node_modules/@mui/utils/node/exactProp/index.js

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+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "default", {
+  enumerable: true,
+  get: function () {
+    return _exactProp.default;
+  }
+});
+var _exactProp = _interopRequireDefault(require("./exactProp"));