add comments

lua/cosmic/lsp/commands.lua

@@ -1,28 +0,0 @@
-local augroup_name = 'CosmicNvimLspFormat'
-local group = vim.api.nvim_create_augroup(augroup_name, { clear = true })
-local user_config = require('cosmic.core.user')
-
-if user_config.lsp.format_on_save then
-  local format_filetypes = ''
-  if vim.tbl_islist(user_config.lsp.format_on_save) then
-    for _, ft in pairs(user_config.lsp.format_on_save) do
-      format_filetypes = format_filetypes .. '*' .. ft
-    end
-  else
-    format_filetypes = '*'
-  end
-
-  vim.api.nvim_create_autocmd(string.format('BufWritePre %s', format_filetypes), {
-    callback = function()
-      vim.lsp.buf.format({
-        timeout_ms = user_config.lsp.format_timeout,
-        -- check user config to see if we can format on save
-        filter = function(client)
-          return user_config.lsp.can_client_format(client.name)
-        end,
-      })
-    end,
-    group = group,
-    nested = true,
-  })
-end

lua/cosmic/lsp/init.lua

@@ -1,11 +1,3 @@
 require('cosmic.lsp.diagnostics')
-require('cosmic.lsp.commands')
 
--- handled via noice
---[[ vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(vim.lsp.handlers.signature_help, { ]]
---[[   border = user_config.border, ]]
---[[ }) ]]
---[[]]
---[[ vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(vim.lsp.handlers.hover, { ]]
---[[   border = user_config.border, ]]
---[[ }) ]]
+-- LSP server initialization can be found in mason-lspconfig setup

lua/cosmic/lsp/providers/defaults.lua

@@ -16,15 +16,15 @@ function M.on_attach(client, bufnr)
     -- set up :LspFormat for clients that are capable
     vim.cmd(string.format("command! LspFormat lua require('cosmic.utils.lsp').format(%s)", bufnr))
 
+    -- set up auto format on save
     if user_config.lsp.format_on_save then
-      -- collect filetype(s)
+      -- collect filetype(s) from user config
       local format_filetypes = ''
       if vim.tbl_islist(user_config.lsp.format_on_save) then
         for _, ft in pairs(user_config.lsp.format_on_save) do
           format_filetypes = format_filetypes .. '*' .. ft
         end
-      else
-        -- any filetype
+      else -- any filetype if none set
         format_filetypes = '*'
       end
 

lua/cosmic/utils/lsp.lua

@@ -1,5 +1,18 @@
+local user_config = require('cosmic.core.user')
 local M = {}
 
+-- format current buffer w/user settings
+function M.format(bufnr)
+  vim.lsp.buf.format({
+    timeout_ms = user_config.lsp.format_timeout,
+    -- check user config to see if we can format on save
+    filter = function(client)
+      return user_config.lsp.can_client_format(client)
+    end,
+    bufnr = bufnr or 0,
+  })
+end
+
 function M.get_active_lsp_client_names()
   local active_clients = vim.lsp.get_active_clients()
   local client_names = {}