Run npm install to grab the react-select package and dependencies.
Compile the blocks.
Add the Post/Page Grid block and select the Page post type.
Select pages using the select menu and test.
Suggested changelog entry
Add the option to select specific pages in the page grid.
Notes
This draft PR just covers the editor view.
When script debug is on, react-select throws a few strict warnings. Discussion about them are happening here and here. I've confirmed the latter PR fixes one of the warnings.
Add option to select pages in the post/page grid.
How to test
npm installto grab the react-select package and dependencies.Suggested changelog entry
Notes