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fix(lsp): warn on missing config in :checkhealth #33087

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Problem
When calling `:checkhealth vim.lsp` after the user has enabled a language
server with `vim.lsp.enable` that has no configuration a runtime error
is hit because the code expects for a configuration to exist.

Solution:
Check if a configuration was returned before parsing it, if it isn't
returned then warn the user that the server has been enabled but a
configuration was not found.
This commit is contained in:
Micah Halter
2025-03-28 08:46:10 -04:00
committed by GitHub
parent 95ab723995
commit 5554fcc286
1 changed files with 24 additions and 18 deletions
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42
runtime/lua/vim/lsp/health.lua
View File

@@ -187,26 +187,32 @@ local function check_enabled_configs()
local config = vim.lsp.config[name]
local text = {} --- @type string[]
text[#text + 1] = ('%s:'):format(name)
for k, v in
vim.spairs(config --[[@as table<string,any>]])
do
local v_str --- @type string?
if k == 'name' then
v_str = nil
elseif k == 'filetypes' or k == 'root_markers' then
v_str = table.concat(v, ', ')
elseif type(v) == 'function' then
v_str = func_tostring(v)
else
v_str = vim.inspect(v, { newline = '\n ' })
end
if not config then
report_warn(
("'%s' config not found. Ensure that vim.lsp.config('%s') was called."):format(name, name)
)
else
for k, v in
vim.spairs(config --[[@as table<string,any>]])
do
local v_str --- @type string?
if k == 'name' then
v_str = nil
elseif k == 'filetypes' or k == 'root_markers' then
v_str = table.concat(v, ', ')
elseif type(v) == 'function' then
v_str = func_tostring(v)
else
v_str = vim.inspect(v, { newline = '\n ' })
end
if k == 'cmd' and type(v) == 'table' and vim.fn.executable(v[1]) == 0 then
report_warn(("'%s' is not executable. Configuration will not be used."):format(v[1]))
end
if k == 'cmd' and type(v) == 'table' and vim.fn.executable(v[1]) == 0 then
report_warn(("'%s' is not executable. Configuration will not be used."):format(v[1]))
end
if v_str then
text[#text + 1] = ('- %s: %s'):format(k, v_str)
if v_str then
text[#text + 1] = ('- %s: %s'):format(k, v_str)
end
end
end
text[#text + 1] = ''