restructure commands

packages/core/src/commands/selectAll.ts

@@ -1,6 +1,9 @@
-import { selectAll } from 'prosemirror-commands'
+import { selectAll as originalSelectAll } from 'prosemirror-commands'
 import { Command } from '../types'
 
-export default (): Command => ({ state, dispatch }) => {
-  return selectAll(state, dispatch)
+/**
+ * Select the whole document.
+ */
+export const selectAll = (): Command => ({ state, dispatch }) => {
+  return originalSelectAll(state, dispatch)
 }