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feat(diagnostic): specify diagnostic virtual text prefix as a function

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- vim.diagnostic.config() now accepts a function for the virtual_text.prefix
  option, which allows for rendering e.g., diagnostic severities differently.
This commit is contained in:
Isak Samsten
2023-04-17 13:53:34 +02:00
committed by GitHub
parent e83682e652
commit 07b60efd80
4 changed files with 72 additions and 16 deletions
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7
runtime/doc/diagnostic.txt
View File

@@ -392,8 +392,11 @@ config({opts}, {namespace}) *vim.diagnostic.config()*
always show the diagnostic source.
• spacing: (number) Amount of empty spaces inserted at
the beginning of the virtual text.
• prefix: (string) Prepend diagnostic message with
prefix.
• 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.
• suffix: (string or function) Append diagnostic
message with suffix. If a function, it must have the
signature (diagnostic) -> string, where {diagnostic}

3
runtime/doc/news.txt
View File

@@ -48,6 +48,9 @@ The following changes to existing APIs or features add new behavior.
• |vim.region()| can use a string accepted by |getpos()| as position.
• vim.diagnostic.config() now accepts a function for the virtual_text.prefix
option, which allows for rendering e.g., diagnostic severities differently.
==============================================================================
REMOVED FEATURES *news-removed*

18
runtime/lua/vim/diagnostic.lua
View File

@@ -600,7 +600,10 @@ end
--- means to always show the diagnostic source.
--- * spacing: (number) Amount of empty spaces inserted at the beginning
--- of the virtual text.
--- * prefix: (string) Prepend diagnostic message with prefix.
--- * 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.
--- * suffix: (string or function) Append diagnostic message with suffix.
--- If a function, it must have the signature (diagnostic) ->
--- string, where {diagnostic} is of type |diagnostic-structure|.
@@ -1066,8 +1069,15 @@ function M._get_virt_text_chunks(line_diags, opts)
-- Create a little more space between virtual text and contents
local virt_texts = { { string.rep(' ', spacing) } }
for i = 1, #line_diags - 1 do
table.insert(virt_texts, { prefix, virtual_text_highlight_map[line_diags[i].severity] })
for i = 1, #line_diags do
local resolved_prefix = prefix
if type(prefix) == 'function' then
resolved_prefix = prefix(line_diags[i]) or ''
end
table.insert(
virt_texts,
{ resolved_prefix, virtual_text_highlight_map[line_diags[i].severity] }
)
end
local last = line_diags[#line_diags]
@@ -1078,7 +1088,7 @@ function M._get_virt_text_chunks(line_diags, opts)
suffix = suffix(last) or ''
end
table.insert(virt_texts, {
string.format('%s %s%s', prefix, last.message:gsub('\r', ''):gsub('\n', ' '), suffix),
string.format(' %s%s', last.message:gsub('\r', ''):gsub('\n', ' '), suffix),
virtual_text_highlight_map[last.severity],
})

60
test/functional/lua/diagnostic_spec.lua
View File

@@ -1042,7 +1042,7 @@ end)
local virt_text = get_virt_text_extmarks(diagnostic_ns)[1][4].virt_text
local virt_texts = {}
for i = 2, #virt_text do
for i = 2, #virt_text - 1 do
table.insert(virt_texts, (string.gsub(virt_text[i][2], "DiagnosticVirtualText", "")))
end
@@ -1086,7 +1086,7 @@ end)
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local virt_text = extmarks[1][4].virt_text[2][1]
local virt_text = extmarks[1][4].virt_text[3][1]
return virt_text
]]
eq(' source x: Some error', result)
@@ -1101,7 +1101,7 @@ end)
}, diagnostic_ns)
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local virt_text = extmarks[1][4].virt_text[2][1]
local virt_text = extmarks[1][4].virt_text[3][1]
return virt_text
]]
eq(' Some error', result)
@@ -1121,7 +1121,7 @@ end)
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local virt_text = {extmarks[1][4].virt_text[2][1], extmarks[2][4].virt_text[2][1]}
local virt_text = {extmarks[1][4].virt_text[3][1], extmarks[2][4].virt_text[3][1]}
return virt_text
]]
eq(' source x: Some error', result[1])
@@ -1151,8 +1151,8 @@ end)
local extmarks = get_virt_text_extmarks(diagnostic_ns)
return {extmarks[1][4].virt_text, extmarks[2][4].virt_text}
]]
eq(" 👀 Warning", result[1][2][1])
eq(" 🔥 Error", result[2][2][1])
eq(" 👀 Warning", result[1][3][1])
eq(" 🔥 Error", result[2][3][1])
end)
it('includes source for formatted diagnostics', function()
@@ -1179,8 +1179,48 @@ end)
local extmarks = get_virt_text_extmarks(diagnostic_ns)
return {extmarks[1][4].virt_text, extmarks[2][4].virt_text}
]]
eq(" some_linter: 👀 Warning", result[1][2][1])
eq(" another_linter: 🔥 Error", result[2][2][1])
eq(" some_linter: 👀 Warning", result[1][3][1])
eq(" another_linter: 🔥 Error", result[2][3][1])
end)
it('can add a prefix to virtual text', function()
eq('E Some error', exec_lua [[
local diagnostics = {
make_error('Some error', 0, 0, 0, 0),
}
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics, {
underline = false,
virtual_text = {
prefix = 'E',
suffix = '',
}
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local prefix = extmarks[1][4].virt_text[2][1]
local message = extmarks[1][4].virt_text[3][1]
return prefix .. message
]])
eq('[err-code] Some error', exec_lua [[
local diagnostics = {
make_error('Some error', 0, 0, 0, 0, nil, 'err-code'),
}
vim.diagnostic.set(diagnostic_ns, diagnostic_bufnr, diagnostics, {
underline = false,
virtual_text = {
prefix = function(diag) return string.format('[%s]', diag.code) end,
suffix = '',
}
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local prefix = extmarks[1][4].virt_text[2][1]
local message = extmarks[1][4].virt_text[3][1]
return prefix .. message
]])
end)
it('can add a suffix to virtual text', function()
@@ -1198,7 +1238,7 @@ end)
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local virt_text = extmarks[1][4].virt_text[2][1]
local virt_text = extmarks[1][4].virt_text[3][1]
return virt_text
]])
@@ -1216,7 +1256,7 @@ end)
})
local extmarks = get_virt_text_extmarks(diagnostic_ns)
local virt_text = extmarks[1][4].virt_text[2][1]
local virt_text = extmarks[1][4].virt_text[3][1]
return virt_text
]])
end)