Show file name in sidebar if notebook has no title about framework HOT 3 CLOSED

The bug description is wrong: we already handle the case of a missing h1 correctly and display untitled. For example, here is test.md:

testing

Which renders as:

You can see the code here:

https://github.com/observablehq/cli/blob/21fcad3e1653962d28b051604ca10141597e80b6/src/navigation.ts#L21

I suspect what may be happening here instead is that there is an h1, but it has something like a dynamic title or other edge case that’s causing the inferred title to be the empty string rather than nul; this would result in us not showing “Untitled”.

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I think the bug was a suggestion to show the filename instead of 'Untitled'... at least that is how I read it :-)

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Oh, sorry. 🤦 I didn’t read.

For the sidebar, I’m not sure if we’ll use the title or the file name at all; more likely the user will need to provide a YAML/JSON configuration that enumerates the sections and pages of the site. That way the user can control the order in which they appear and the titles (and even the paths — so you could for example link to the same page multiple times with different query strings). This will also allow you to have “unlisted” pages that don’t appear in the sidebar but may be linked to from other top-level pages.

I’m going to close this issue in favor of configurable navigation in the sidebar.

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