Demonstrates how a page can pass data like a page title back up to the layout.
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mainbranch: the correct solution, which returns a title from the page'sloadfunction (which is called before any rendering happens, including layout rendering). -
flashbranch: an incorrect solution that uses a writable store to let the page set the title and have the layout get it. This solution renders the correct result in the end, but results in a client-side flash because the ssr page does not have a title but the csr page inserts one.