lualine.nvim/lua/lualine/components/diagnostics/init.lua

123 lines
4.4 KiB
Lua

-- Copyright (c) 2020-2021 hoob3rt
-- MIT license, see LICENSE for more details.
local lualine_require = require('lualine_require')
local modules = lualine_require.lazy_require {
default_config = 'lualine.components.diagnostics.config',
sources = 'lualine.components.diagnostics.sources',
highlight = 'lualine.highlight',
utils = 'lualine.utils.utils',
utils_notices = 'lualine.utils.notices',
}
local M = lualine_require.require('lualine.component'):extend()
M.diagnostics_sources = modules.sources.sources
M.get_diagnostics = modules.sources.get_diagnostics
-- Initializer
function M:init(options)
-- Run super()
M.super.init(self, options)
-- Apply default options
modules.default_config.apply_default_colors(self.options)
self.options = vim.tbl_deep_extend('keep', self.options or {}, modules.default_config.options)
-- Apply default symbols
self.symbols = vim.tbl_extend(
'keep',
self.options.symbols or {},
self.options.icons_enabled ~= false and modules.default_config.symbols.icons
or modules.default_config.symbols.no_icons
)
-- Initialize highlight groups
if self.options.colored then
self.highlight_groups = {
error = self:create_hl(self.options.diagnostics_color.error, 'error'),
warn = self:create_hl(self.options.diagnostics_color.warn, 'warn'),
info = self:create_hl(self.options.diagnostics_color.info, 'info'),
hint = self:create_hl(self.options.diagnostics_color.hint, 'hint'),
}
end
-- Initialize variable to store last update so we can use it in insert
-- mode for no update_in_insert
self.last_diagnostics_count = {}
-- Error out no source
if #self.options.sources < 1 then
modules.utils_notices.add_notice(
'### diagnostics.sources\n\nno sources for diagnostics configured.\nPlease specify which diagnostics source you want lualine to use with `sources` option.\n'
)
end
end
local function render_diagnostic(symbol_or_function, count)
if type(symbol_or_function) == 'function' then
return symbol_or_function(count)
else
return symbol_or_function .. count
end
end
function M:update_status()
local bufnr = vim.api.nvim_get_current_buf()
local diagnostics_count
local result = {}
if self.options.update_in_insert or vim.api.nvim_get_mode().mode:sub(1, 1) ~= 'i' then
local error_count, warning_count, info_count, hint_count = 0, 0, 0, 0
local diagnostic_data = modules.sources.get_diagnostics(self.options.sources)
-- sum all the counts
for _, data in pairs(diagnostic_data) do
error_count = error_count + data.error
warning_count = warning_count + data.warn
info_count = info_count + data.info
hint_count = hint_count + data.hint
end
diagnostics_count = {
error = error_count,
warn = warning_count,
info = info_count,
hint = hint_count,
}
-- Save count for insert mode
self.last_diagnostics_count[bufnr] = diagnostics_count
else -- Use cached count in insert mode with update_in_insert disabled
diagnostics_count = self.last_diagnostics_count[bufnr] or { error = 0, warn = 0, info = 0, hint = 0 }
end
local always_visible = false
if type(self.options.always_visible) == 'boolean' then
always_visible = self.options.always_visible
elseif type(self.options.always_visible) == 'function' then
always_visible = self.options.always_visible()
end
-- format the counts with symbols and highlights
if self.options.colored then
local colors, bgs = {}, {}
for name, hl in pairs(self.highlight_groups) do
colors[name] = self:format_hl(hl)
bgs[name] = modules.utils.extract_highlight_colors(colors[name]:match('%%#(.-)#'), 'bg')
end
local previous_section, padding
for _, section in ipairs(self.options.sections) do
if diagnostics_count[section] ~= nil and (always_visible or diagnostics_count[section] > 0) then
padding = previous_section and (bgs[previous_section] ~= bgs[section]) and ' ' or ''
previous_section = section
table.insert(
result,
colors[section] .. padding .. render_diagnostic(self.symbols[section], diagnostics_count[section])
)
end
end
else
for _, section in ipairs(self.options.sections) do
if diagnostics_count[section] ~= nil and (always_visible or diagnostics_count[section] > 0) then
table.insert(result, render_diagnostic(self.symbols[section], diagnostics_count[section]))
end
end
end
return table.concat(result, ' ')
end
return M