YAML documents only show the top-level node name

[erhhung]

YAML documents only show the top-level node name

[joaotavora]

Is my expected behavior not the intended one?

More or less. Breadcrumb doesn't do any syntactic analysis of the buffer's contents. It relies on an existing Imenu backend to do that. If the Imenu information your yaml mode provides is relatively poor, so will Breadcrumb's hints.

Unfortunately, both yaml-mode and yaml-ts-mode which I have just tried have very poor Imenu information. You could submit a bug report to [email protected] to request this enhancement (or try to add it yourself! maybe it would be easier for yaml-ts-mode).

Alternatively, there's another package which sometimes does a good job in supplying good Imenu info, Eglot. After installing yaml-language-server and typing M-x eglot ,I got very decent results with Breadcrumb: