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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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8
runtime/lua/vim/diagnostic.lua
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@@ -592,8 +592,10 @@ end
--- * spacing: (number) Amount of empty spaces inserted at 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
--- If a function, it must have the 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) ->
@@ -1072,7 +1074,7 @@ function M._get_virt_text_chunks(line_diags, opts)
for i = 1, #line_diags do
local resolved_prefix = prefix
if type(prefix) == 'function' then
resolved_prefix = prefix(line_diags[i]) or ''
resolved_prefix = prefix(line_diags[i], i, #line_diags) or ''
end
table.insert(
virt_texts,