- memoize all components

- implement metadata context

src/utils/index.js

@@ -31,3 +31,30 @@ export const getFieldProps = (formik, schema, name) => ({
   isRequired: get(schema, `fields.${name}._exclusive.required`),
   ...formik.getFieldProps(name),
 });
+
+export const reorder = (list, startIndex, endIndex) => {
+  const result = Array.from(list);
+  const [removed] = result.splice(startIndex, 1);
+  result.splice(endIndex, 0, removed);
+
+  return result;
+};
+
+export const move = (
+  source,
+  destination,
+  droppableSource,
+  droppableDestination,
+) => {
+  const sourceClone = Array.from(source);
+  const destClone = Array.from(destination);
+  const [removed] = sourceClone.splice(droppableSource.index, 1);
+
+  destClone.splice(droppableDestination.index, 0, removed);
+
+  const result = {};
+  result[droppableSource.droppableId] = sourceClone;
+  result[droppableDestination.droppableId] = destClone;
+
+  return result;
+};