nvim-tree.lua/lua/nvim-tree/diagnostics.lua
2021-04-16 00:03:56 +02:00

71 lines
1.9 KiB
Lua

local a = vim.api
local utils = require'nvim-tree.utils'
local view = require'nvim-tree.view'
local get_diagnostics = vim.lsp.diagnostic.get_all
local M = {}
local function get_highest_severity(diagnostics)
local severity = 0
for _, v in ipairs(diagnostics) do
if v.severity > severity then
severity = v.severity
end
end
return severity
end
local sign_names = {
{ "NvimTreeSignHint", "NvimTreeLspDiagnosticsHint" },
{ "NvimTreeSignInformation", "NvimTreeLspDiagnosticsInformation" },
{ "NvimTreeSignWarning", "NvimTreeLspDiagnosticsWarning" },
{ "NvimTreeSignError", "NvimTreeLspDiagnosticsError" },
}
for _, v in ipairs(sign_names) do
vim.fn.sign_define(v[1], { text="", texthl=v[2]})
end
local signs = {}
local function add_sign(linenr, severity)
local buf = view.View.bufnr
if not vim.fn.bufexists(buf) or not vim.fn.bufloaded(buf) then return end
local sign_name = sign_names[severity][1]
table.insert(signs, vim.fn.sign_place(1, 'NvimTreeDiagnosticSigns', sign_name, buf, { lnum = linenr+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_highest_severity(diagnostics)
buffer_severity[bufname] = severity
end
end
local nodes = require'nvim-tree.lib'.Tree.entries
if #signs then
vim.fn.sign_unplacelist(vim.tbl_map(function(sign)
return {
buffer = view.View.bufnr,
group = "NvimTreeDiagnosticSigns",
id = sign
}
end, signs))
signs = {}
end
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 add_sign(line, severity) end
end
end
end
return M