nvim-tree.lua/lua/nvim-tree/diagnostics.lua
2021-04-08 23:30:35 +02:00

50 lines
1.3 KiB
Lua

local a = vim.api
local utils = require'nvim-tree.utils'
local get_diagnostics = vim.lsp.diagnostic.get_all
local M = {}
local function get_severity(diagnostics)
for _, v in ipairs(diagnostics) do
if v.severity > 0 then
return v.severity
end
end
return 0
end
local function highlight_node(node, linenr)
local buf = require'nvim-tree.lib'.Tree.bufnr
if not vim.fn.bufexists(buf) or not vim.fn.bufloaded(buf) then return end
local line = a.nvim_buf_get_lines(buf, linenr, linenr+1, false)[1]
local starts_at = vim.fn.stridx(line, node.name)
a.nvim_buf_add_highlight(buf, -1, 'NvimTreeLspDiagnostics', linenr, starts_at, -1)
end
function M.update()
local buffer_severity = {}
for buf, diagnostics in pairs(get_diagnostics()) do
local bufname = a.nvim_buf_get_name(buf)
if not buffer_severity[bufname] then
local severity = get_severity(diagnostics)
buffer_severity[bufname] = severity
end
end
vim.defer_fn(function()
local nodes = require'nvim-tree.lib'.Tree.entries
for bufname, severity in pairs(buffer_severity) do
if severity > 0 then
local node, line = utils.find_node(nodes, function(node)
return node.absolute_path == bufname
end)
if node then highlight_node(node, line) end
end
end
end, 100)
end
return M