Initial Commit Rework

frontend/src/Components/withScrollPosition.js

@@ -0,0 +1,30 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import scrollPositions from 'Store/scrollPositions';
+
+function withScrollPosition(WrappedComponent, scrollPositionKey) {
+  function ScrollPosition(props) {
+    const {
+      history
+    } = props;
+
+    const scrollTop = history.action === 'POP' ?
+      scrollPositions[scrollPositionKey] :
+      0;
+
+    return (
+      <WrappedComponent
+        {...props}
+        scrollTop={scrollTop}
+      />
+    );
+  }
+
+  ScrollPosition.propTypes = {
+    history: PropTypes.object.isRequired
+  };
+
+  return ScrollPosition;
+}
+
+export default withScrollPosition;