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fix(diagnostic): virtual_text prefix function should have index and total (#25801)

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The prefix option of the diagnostic virtual text can be a function,
but previously it was only a function of diagnostic.

This function should also have additional parameters index and total,
more consistently and similarily as in the prefix function for
`vim.diagnostic.open_float()`.

These additional parameters will be useful when there are too many
number of diagnostics in a single line.
This commit is contained in:
Jongwook Choi
2023-10-27 09:17:46 -04:00
committed by GitHub
parent 4fcdfa5ad0
commit add1b10b79
3 changed files with 13 additions and 8 deletions
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9
runtime/doc/diagnostic.txt
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@@ -404,9 +404,12 @@ config({opts}, {namespace}) *vim.diagnostic.config()*
the beginning of the virtual text.
• prefix: (string or function) prepend diagnostic
message with prefix. If a function, it must have the
signature (diagnostic) -> string, where {diagnostic}
is of type |diagnostic-structure|. This can be used
to render diagnostic symbols or error codes.
signature (diagnostic, i, total) -> string, where
{diagnostic} is of type |diagnostic-structure|, {i}
is the index of the diagnostic being evaluated, and
{total} is the total number of diagnostics for the
line. This can be used to render diagnostic symbols
or error codes.
• suffix: (string or function) Append diagnostic
message with suffix. If a function, it must have the
signature (diagnostic) -> string, where {diagnostic}