feat(lsp): add lsp healthcheck

Add healthcheck for language server client, currently only checks logging status.
neovim · Sep 8, 2021 · e268026 · e268026
1 parent 47f99d6
commit e268026
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diff --git a/runtime/autoload/health/lsp.vim b/runtime/autoload/health/lsp.vim
@@ -0,0  1,5 @@
 function! health#lsp#check() abort
   call health#report_start('Checking language server client configuration')
   lua require 'vim.lsp.health'.check_health()
 endfunction
 
diff --git a/runtime/lua/vim/lsp/health.lua b/runtime/lua/vim/lsp/health.lua
@@ -0,0  1,27 @@
 local M = {}
 
 --- Performs a healthcheck for LSP
 function M.check_health()
   local report_info = vim.fn['health#report_info']
   local report_warn = vim.fn['health#report_warn']
 
   local log = require('vim.lsp.log')
   local current_log_level = log.get_level()
   local log_level_string = log.levels[current_log_level]
   report_info(string.format("LSP log level : %s", log_level_string))
 
   if current_log_level < log.levels.WARN then
     report_warn(string.format("Log level %s will cause degraded performance and high disk usage", log_level_string))
   end
 
   local log_path = vim.lsp.get_log_path()
   report_info(string.format("Log path: %s", log_path))
 
   local log_size = vim.loop.fs_stat(log_path).size
 
   local report_fn = (log_size / 1000000 > 100 and report_warn or report_info)
   report_fn(string.format("Log size: %d KB", log_size / 1000 ))
 end
 
 return M
 
diff --git a/runtime/lua/vim/lsp/log.lua b/runtime/lua/vim/lsp/log.lua
@@ -88,6  88,11 @@ function log.set_level(level)
   end
 end
 
 --- Gets the current log level.
 function log.get_level()
   return current_log_level
 end
 
 --- Checks whether the level is sufficient for logging.
 ---@param level number log level
 ---@returns (bool) true if would log, false if not