nvim(feat): auto install lsp with mason

home/user/.config/nvim/lua/base/plugins/mason.lua

@@ -1,14 +1,56 @@
+local on_attach = function(client, bufnr)
+
+    local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+    local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+    -- Enable completion triggered by <c-x><c-o>
+    buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+    -- Mappings.
+    local opts = { noremap=true, silent=true }
+
+    -- See `:help vim.lsp.*` for documentation on any of the below functions
+    buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+    buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+    buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+    buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+    buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+    buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+    buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+    buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+    buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+    buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+    buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+    buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+    buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+    buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+    buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+    buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+    buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+
+end
+
 return {
-    'williamboman/mason.nvim',
+    {
-    dependencies = {
+        'williamboman/mason.nvim',
-        {
+        dependencies = {
+            'neovim/nvim-lspconfig',
             "williamboman/mason-lspconfig.nvim",
-            config = function()
-                require("mason-lspconfig").setup()
-            end
         },
+        config = function()
+            require("mason").setup()
+            local mason_lspconfig = require("mason-lspconfig") mason_lspconfig.setup()
+
+            mason_lspconfig.setup_handlers({
+                function (server_name)
+                    require("lspconfig")[server_name].setup({
+                        on_attach = on_attach,
+                        flags = {
+                            debounce_text_changes = 150,
+                        }
+                    })
+                end
+            })
+        end,
     },
-    config = function()
-        require("mason").setup()
-    end
 }

home/user/.config/nvim/lua/base/plugins/nvim_cmp.lua

@@ -8,7 +8,7 @@ local function has_words_before()
   return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
 end
 
-function setup_cmp()
+local function setup_cmp()
     local cmp = require("cmp")
 
     cmp.setup({
@@ -71,52 +71,12 @@ function setup_cmp()
     })
 end
 
-function setup_lspconfig()
+local function setup_lspconfig()
   local nvim_lsp = require("lspconfig")
 
-  local on_attach = function(client, bufnr)
-
-    local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
-    local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
-
-    -- Enable completion triggered by <c-x><c-o>
-    buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
-
-    -- Mappings.
-    local opts = { noremap=true, silent=true }
-
-    -- See `:help vim.lsp.*` for documentation on any of the below functions
-    buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
-    buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
-    buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
-    buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
-    buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
-    buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
-    buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
-    buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
-    buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
-    buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
-    buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
-    buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
-    buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
-    buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
-    buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
-    buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
-    buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
-
-  end
 
   -- Use a loop to conveniently call 'setup' on multiple servers and
   -- map buffer local keybindings when the language server attaches
-  local servers = { 'pyright', 'lua_ls', 'rust_analyzer' }
-  for _, lsp in ipairs(servers) do
-    nvim_lsp[lsp].setup {
-      on_attach = on_attach,
-      flags = {
-        debounce_text_changes = 150,
-      }
-    }
-  end
 
   local capabilities = require('cmp_nvim_lsp').default_capabilities(vim.lsp.protocol.make_client_capabilities())