more healthcheck

plugins/nobbz/lua/nobbz/health.lua

@@ -1,6 +1,7 @@
 local M = {}
 
 local programs = {}
+local lsp_configs = {}
 local done = false
 
 local CRITICALITY = { OK = 1, ERROR = 2, WARN = 3, NOTICE = 4, }
@@ -12,6 +13,50 @@ local function in_path(program)
   return vim.fn.executable(program) == 1
 end
 
+local function health_cmp(a, b)
+  -- Sort by program name, if same criticality
+  if a[4] == b[4] then return a[1] < b[1] end
+
+  -- Sort by criticality otherwise
+  return a[4] < b[4]
+end
+
+local function health_sort(tbl)
+  table.sort(tbl, health_cmp)
+end
+
+local function report_table(tbl)
+  for _, info in ipairs(tbl) do
+    local report_func = info[2]
+    local label = info[1]
+    local msg = info[3]
+
+    local message = string.format("`%s` %s", label, msg)
+
+    report_func(message)
+  end
+end
+
+
+---Performs health checks for all registered LSP configs
+---Displays results sorted by criticality and then alphabetically
+local function check_lspconfigs()
+  local configs = {}
+
+  vim.health.start("LSP Configurations:")
+  for lsp, available in pairs(lsp_configs) do
+    if available then
+      table.insert(configs, { lsp, vim.health.ok, "is configured", CRITICALITY.OK, })
+    else
+      table.insert(configs, { lsp, vim.health.error, "is not configured", CRITICALITY.ERROR, })
+    end
+  end
+
+  health_sort(configs)
+  report_table(configs)
+end
+
+
 ---Performs health checks for all registered programs
 ---Displays results sorted by criticality and then alphabetically
 local function check_programs()
@@ -28,23 +73,8 @@ local function check_programs()
     end
   end
 
-  table.sort(binaries, function(a, b)
-    -- Sort by program name, if same criticality
-    if a[4] == b[4] then return a[1] < b[1] end
-
-    -- Sort by criticality otherwise
-    return a[4] < b[4]
-  end)
-
-  for _, info in ipairs(binaries) do
-    local report_func = info[2]
-    local program = vim.fs.basename(info[1])
-    local msg = info[3]
-
-    local message = string.format("`%s` %s", program, msg)
-
-    report_func(message)
-  end
+  health_sort(binaries)
+  report_table(binaries)
 end
 
 ---Registers a program for the healthcheck, the program will be searched in the
@@ -53,10 +83,21 @@ end
 ---If a program is registered for a second time, the `required` will be overwritten.
 ---
 ---@param program string the name of the program
----@param required boolean whether the program is required (missing programs
+---@param required_or_filetypes (boolean | string[]) whether the program is required (missing programs
 ---  will issue an error when required, a warning otherwise)
-M.register_program = function(program, required)
-  programs[program] = required
+M.register_program = function(program, required_or_filetypes)
+  if type(required_or_filetypes) == "table" then
+    M.register_program(program, false)
+    vim.api.nvim_create_autocmd("FileType", {
+      pattern = required_or_filetypes,
+      callback = function()
+        M.register_program(program, true)
+      end,
+    })
+    return
+  end
+
+  programs[program] = required_or_filetypes
 end
 
 ---Unregisters a program from the healthcheck
@@ -72,17 +113,14 @@ end
 ---@param lsp string the name of the LSP server as defined in lspconfig
 M.register_lsp = function(lsp)
   local config = vim.lsp.config[lsp]
-  local program = config.cmd[1]
-  local pattern = config.filetypes[1]
 
-  M.register_program(program, false)
+  lsp_configs[lsp] = not not config
+  if not config then return end
+
+  local program = config.cmd[1]
+  local patterns = config.filetypes
 
-  vim.api.nvim_create_autocmd("FileType", {
-    pattern = pattern,
-    callback = function()
-      M.register_program(program, true)
-    end,
-  })
+  M.register_program(program, patterns)
 end
 
 ---Marks the configuration as completely loaded
@@ -101,6 +139,7 @@ M.check = function()
     vim.health.warn("Config *not* loaded completely")
   end
 
+  check_lspconfigs()
   check_programs()
 end
 

plugins/nobbz/lua/nobbz/lsp/nil.lua

@@ -1,4 +1,7 @@
 local helpers = require("nobbz.lsp.helpers")
+local health = require("nobbz.health")
+
+health.register_program("alejandra", { "nix", })
 
 return {
   name = "nil_ls",