add lsp-format and efm-langserver to autoformat files

autoformat lua files on save

home-manager/neovim/bufferline.lua

@@ -1,16 +1,13 @@
-require("bufferline").setup{
+require("bufferline").setup {
     options = {
         diagnostics = 'nvim_lsp',
         diagnostics_indicator = function(count, level, diagnostics_dict, context)
-          local icon = level:match("error") and " " or " "
-          return " " .. icon .. count
+            local icon = level:match("error") and " " or " "
+            return " " .. icon .. count
         end,
         separator_style = "slant",
-        hover = {
-            enabled = true,
-            reveal = {'close'},
-        },
-    },
+        hover = {enabled = true, reveal = {'close'}}
+    }
 }
 
 vim.keymap.set('n', '<leader>ft', ":BufferLinePick<CR>", {})

home-manager/neovim/cmp.lua

@@ -5,11 +5,7 @@ require('luasnip.loaders.from_vscode').lazy_load()
 luasnip.config.setup {}
 
 cmp.setup {
-    snippet = {
-        expand = function(args)
-            luasnip.lsp_expand(args.body)
-        end,
-    },
+    snippet = {expand = function(args) luasnip.lsp_expand(args.body) end},
     mapping = cmp.mapping.preset.insert {
         ['<C-n>'] = cmp.mapping.select_next_item(),
         ['<C-p>'] = cmp.mapping.select_prev_item(),
@@ -18,7 +14,7 @@ cmp.setup {
         ['<C-Space>'] = cmp.mapping.complete {},
         ['<CR>'] = cmp.mapping.confirm {
             behavior = cmp.ConfirmBehavior.Replace,
-            select = true,
+            select = true
         },
         ['<Tab>'] = cmp.mapping(function(fallback)
             if cmp.visible() then
@@ -28,7 +24,7 @@ cmp.setup {
             else
                 fallback()
             end
-        end, { 'i', 's' }),
+        end, {'i', 's'}),
         ['<S-Tab>'] = cmp.mapping(function(fallback)
             if cmp.visible() then
                 cmp.select_prev_item()
@@ -37,10 +33,7 @@ cmp.setup {
             else
                 fallback()
             end
-        end, { 'i', 's' }),
-    },
-    sources = {
-        { name = 'nvim_lsp' },
-        { name = 'luasnip' },
+        end, {'i', 's'})
     },
+    sources = {{name = 'nvim_lsp'}, {name = 'luasnip'}}
 }

home-manager/neovim/default.nix

@@ -14,6 +14,8 @@
         neofetch
         gopls
         terraform-ls
+        luaformatter
+        efm-langserver
       ];
 
       plugins = with pkgs.vimPlugins; [
@@ -65,6 +67,7 @@
           config = builtins.readFile ./bufferline.lua;
         }
         nvim-web-devicons
+        lsp-format-nvim
       ];
     };
 

home-manager/neovim/lspconfig.lua

@@ -1,33 +1,55 @@
-local on_attach = function(_, bufnr)
+require("lsp-format").setup {}
 
-  local bufmap = function(keys, func)
-    vim.keymap.set('n', keys, func, { buffer = bufnr })
-  end
+local on_attach = function(client, bufnr)
+    local bufmap = function(keys, func)
+        vim.keymap.set('n', keys, func, {buffer = bufnr})
+    end
 
-  bufmap('<leader>r', vim.lsp.buf.rename)
-  bufmap('<leader>a', vim.lsp.buf.code_action)
+    bufmap('<leader>r', vim.lsp.buf.rename)
+    bufmap('<leader>a', vim.lsp.buf.code_action)
 
-  bufmap('gd', vim.lsp.buf.definition)
-  bufmap('gD', vim.lsp.buf.declaration)
-  bufmap('gI', vim.lsp.buf.implementation)
-  bufmap('<leader>D', vim.lsp.buf.type_definition)
+    bufmap('gd', vim.lsp.buf.definition)
+    bufmap('gD', vim.lsp.buf.declaration)
+    bufmap('gI', vim.lsp.buf.implementation)
+    bufmap('<leader>D', vim.lsp.buf.type_definition)
 
-  bufmap('gr', require('telescope.builtin').lsp_references)
-  bufmap('<leader>s', require('telescope.builtin').lsp_document_symbols)
-  bufmap('<leader>S', require('telescope.builtin').lsp_dynamic_workspace_symbols)
+    bufmap('gr', require('telescope.builtin').lsp_references)
+    bufmap('<leader>s', require('telescope.builtin').lsp_document_symbols)
+    bufmap('<leader>S',
+           require('telescope.builtin').lsp_dynamic_workspace_symbols)
 
-  bufmap('K', vim.lsp.buf.hover)
+    bufmap('K', vim.lsp.buf.hover)
 
-  vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
-    vim.lsp.buf.format()
-  end, {})
+    vim.api.nvim_buf_create_user_command(bufnr, 'Format',
+                                         function(_) vim.lsp.buf.format() end,
+                                         {})
 end
 
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').default_capabilities(capabilities)
 
 require('neodev').setup()
-require'lspconfig'.nil_ls.setup{ on_attach = on_attach, capabilities = capabilities }
-require'lspconfig'.pyright.setup{ on_attach = on_attach, capabilities = capabilities }
-require'lspconfig'.gopls.setup{ on_attach = on_attach, capabilities = capabilities }
-require'lspconfig'.terraformls.setup{ on_attach = on_attach, capabilities = capabilities }
+require'lspconfig'.nil_ls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+require'lspconfig'.pyright.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+require'lspconfig'.gopls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+require'lspconfig'.terraformls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+
+local luaformat = {formatCommand = "lua-format -i", formatStdin = true}
+require'lspconfig'.efm.setup {
+    on_attach = require("lsp-format").on_attach,
+    init_options = {documentFormatting = true},
+    settings = {languages = {lua = {luaformat}}},
+    filetypes = {"lua"}
+}

home-manager/neovim/telescope.lua

@@ -6,22 +6,12 @@ vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
 vim.keymap.set('n', '<leader>fr', builtin.lsp_references, {})
 vim.keymap.set('n', '<leader>fs', builtin.lsp_document_symbols, {})
 
-require('telescope').setup{
-  pickers = {
-    find_files = {
-      theme = "dropdown"
-    },
-    live_grep = {
-      theme = "dropdown"
-    },
-    buffers = {
-      theme = "dropdown"
-    },
-    lsp_references = {
-      theme = "dropdown"
-    },
-    lsp_document_symbols = {
-      theme = "dropdown"
+require('telescope').setup {
+    pickers = {
+        find_files = {theme = "dropdown"},
+        live_grep = {theme = "dropdown"},
+        buffers = {theme = "dropdown"},
+        lsp_references = {theme = "dropdown"},
+        lsp_document_symbols = {theme = "dropdown"}
     }
-  }
 }

home-manager/neovim/treesitter.lua

@@ -3,7 +3,8 @@ require('nvim-treesitter.configs').setup {
 
     auto_install = false,
 
-    highlight = { enable = true },
+    highlight = {enable = true},
 
-    indent = { enable = true },
+    indent = {enable = true}
 }
+