Show autosave message when autosave exists

editor/store/effects.js

@@ -117,10 +117,34 @@ export default {
  optimist: { type: BEGIN, id: POST_UPDATE_TRANSACTION_ID },
  isAutosave,
  } );
+
+ let request;
+ if ( isAutosave ) {
+ toSend.parent = post.id;
+
+ request = wp.apiRequest( {
+ path: `/wp/v2/${ basePath }/${ post.id }/autosaves`,
+ method: 'POST',
+ data: toSend,
+ } );
+ } else {
+ dispatch( {
+ type: 'UPDATE_POST',
+ edits: toSend,
+ optimist: { id: POST_UPDATE_TRANSACTION_ID },
+ } );
+
  dispatch( removeNotice( SAVE_POST_NOTICE_ID ) );
- dispatch( removeNotice( AUTOSAVE_POST_NOTICE_ID ) );
- const basePath = wp.api.getPostTypeRoute( getCurrentPostType( state ) );
- wp.apiRequest( { path: `/wp/v2/${ basePath }/${ post.id }`, method: 'PUT', data: toSend } ).then(
+dispatch( removeNotice( AUTOSAVE_POST_NOTICE_ID ) );
+
+ request = wp.apiRequest( {
+ path: `/wp/v2/${ basePath }/${ post.id }`,
+ method: 'PUT',
+ data: toSend,
+ } );
+ }
+
+ request.then(
  ( newPost ) => {
  const reset = isAutosave ? resetAutosave : resetPost;
  dispatch( reset( newPost ) );