Security upgrades

node_modules/@material-ui/system/es/css.js

@@ -0,0 +1,35 @@
+import _extends from "@babel/runtime/helpers/esm/extends";
+import PropTypes from 'prop-types';
+import merge from './merge';
+
+function omit(input, fields) {
+  const output = {};
+  Object.keys(input).forEach(prop => {
+    if (fields.indexOf(prop) === -1) {
+      output[prop] = input[prop];
+    }
+  });
+  return output;
+}
+
+function css(styleFunction) {
+  const newStyleFunction = props => {
+    const output = styleFunction(props);
+
+    if (props.css) {
+      return _extends(_extends({}, merge(output, styleFunction(_extends({
+        theme: props.theme
+      }, props.css)))), omit(props.css, [styleFunction.filterProps]));
+    }
+
+    return output;
+  };
+
+  newStyleFunction.propTypes = process.env.NODE_ENV !== 'production' ? _extends(_extends({}, styleFunction.propTypes), {}, {
+    css: PropTypes.object
+  }) : {};
+  newStyleFunction.filterProps = ['css', ...styleFunction.filterProps];
+  return newStyleFunction;
+}
+
+export default css;