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local debounce = {
diagnostic = vim.uv.new_timer(),
git = vim.uv.new_timer(),
}
local statusline_group = vim.api.nvim_create_augroup("custom.statusline", { clear = false })
vim.api.nvim_create_autocmd('DiagnosticChanged', {
desc = "Set diagnostic counts for statusline",
group = statusline_group,
callback = function(_)
if debounce.diagnostic:get_due_in() ~= 0 then
return
end
debounce.diagnostic:start(75, 0, function() end)
local counts = vim.diagnostic.count()
local s = ''
for i = 1, 4, 1 do
if counts[i] ~= nil then
if #s > 0 then
s = s .. ' | '
end
if i == 1 then
s = s .. "%#DiagnosticError#E:"
elseif i == 2 then
s = s .. "%#DiagnosticWarn#W:"
elseif i == 3 then
s = s .. "%#DiagnosticInfo#I:"
elseif i == 4 then
s = s .. "%#DiagnosticHint#H:"
end
s = s .. tostring(counts[i]) .. "%*"
end
end
vim.api.nvim_set_var('diagnosticCounts', s)
end
})
vim.api.nvim_create_autocmd({ 'BufRead', 'BufWritePost' }, {
desc = "Update git info in statusline",
group = statusline_group,
callback = function(arg)
if debounce.git:get_due_in() ~= 0 then
return
end
debounce.git:start(500, 0, function() end)
if not vim.bo[arg.buf].modifiable then
return
end
vim.system({ "git", "diff", "--numstat", arg.file }, { text = true }, vim.schedule_wrap(function(out)
if out.code ~= 0 or out.stdout == nil then
if vim.b["gitDelta"] then
vim.api.nvim_buf_del_var(arg.buf, "gitDelta")
end
else
local parts = vim.split(out.stdout, '\t')
if #parts ~= 3 then
return
end
local s = "git:" .. "%#DiffAdd#+" .. parts[1] .. "%* " ..
"%#DiffDelete#-" .. parts[2] .. "%*"
vim.api.nvim_buf_set_var(arg.buf, "gitDelta", s)
end
end))
end
})
vim.cmd([[
func! StatuslineDiagnostics() abort
if exists("g:diagnosticCounts")
return g:diagnosticCounts
else
return ''
endif
endfunc
func! StatuslineGit() abort
if exists("b:gitDelta")
return b:gitDelta
else
return ''
endif
endfunc
]])
local statusline = {
left = '%#Search# %{mode()} %* %f %m %= ',
center = '%{%StatuslineDiagnostics()%} %{%StatuslineGit()%} %= ',
right = '%-(%#Delimiter#[%#Operator#%R%Y%#Delimiter#]%*%) %#MoreMsg#%11(%4c,%-6l%) %*%#NonText#%3p%% ',
}
return statusline.left .. statusline.center .. statusline.right
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