feat(lsp): add option to override default `nvim-lsp-installer` settings (#2698)

lua/lvim/lsp/config.lua

@@ -119,6 +119,19 @@ return {
     insert_mode = {},
     visual_mode = {},
   },
+  ---@usage list of settings of nvim-lsp-installer
+  installer = {
+    setup = {
+      ensure_installed = {},
+      ui = {
+        icons = {
+          server_installed = "✓",
+          server_pending = "",
+          server_uninstalled = "✗",
+        },
+      },
+    },
+  },
   null_ls = {
     setup = {},
     config = {},

lua/lvim/lsp/init.lua

@@ -122,10 +122,7 @@ function M.setup()
     append_default_schemas = true,
   }
 
-  require("nvim-lsp-installer").setup {
-    -- use the default nvim_data_dir, since the server binaries are independent
-    install_root_dir = utils.join_paths(vim.call("stdpath", "data"), "lsp_servers"),
-  }
+  require("nvim-lsp-installer").setup(lvim.lsp.installer.setup)
 
   require("lvim.lsp.null-ls").setup()
 

lua/lvim/lsp/templates.lua

@@ -17,12 +17,20 @@ end
 
 local skipped_filetypes = lvim.lsp.automatic_configuration.skipped_filetypes
 local skipped_servers = lvim.lsp.automatic_configuration.skipped_servers
+local ensure_installed_servers = lvim.lsp.installer.setup.ensure_installed
+
+---Check if we should skip generating an ftplugin file based on the server_name
+---@param server_name string name of a valid language server
+local function should_skip(server_name)
+  -- ensure_installed_servers should take priority over skipped_servers
+  return vim.tbl_contains(skipped_servers, server_name) and not vim.tbl_contains(ensure_installed_servers, server_name)
+end
 
 ---Generates an ftplugin file based on the server_name in the selected directory
 ---@param server_name string name of a valid language server, e.g. pyright, gopls, tsserver, etc.
 ---@param dir string the full path to the desired directory
 function M.generate_ftplugin(server_name, dir)
-  if vim.tbl_contains(skipped_servers, server_name) then
+  if should_skip(server_name) then
     return
   end
 

utils/installer/config.example.lua

@@ -84,6 +84,20 @@ lvim.builtin.treesitter.highlight.enabled = true
 
 -- generic LSP settings
 
+-- -- make sure server will always be installed even if the server is in skipped_servers list
+-- lvim.lsp.installer.setup.ensure_installed = {
+--     "sumeko_lua",
+--     "jsonls",
+-- }
+-- -- change UI setting of `LspInstallInfo`
+-- -- see <https://github.com/williamboman/nvim-lsp-installer#default-configuration>
+-- lvim.lsp.installer.setup.ui.check_outdated_servers_on_open = false
+-- lvim.lsp.installer.setup.ui.border = "rounded"
+-- lvim.lsp.installer.setup.ui.keymaps = {
+--     uninstall_server = "d",
+--     toggle_server_expand = "o",
+-- }
+
 -- ---@usage disable automatic installation of servers
 -- lvim.lsp.automatic_servers_installation = false
 
@@ -94,7 +108,7 @@ lvim.builtin.treesitter.highlight.enabled = true
 -- require("lvim.lsp.manager").setup("pyright", opts)
 
 -- ---remove a server from the skipped list, e.g. eslint, or emmet_ls. !!Requires `:LvimCacheReset` to take effect!!
--- ---`:LvimInfo` lists which server(s) are skiipped for the current filetype
+-- ---`:LvimInfo` lists which server(s) are skipped for the current filetype
 -- vim.tbl_map(function(server)
 --   return server ~= "emmet_ls"
 -- end, lvim.lsp.automatic_configuration.skipped_servers)

utils/installer/config_win.example.lua

@@ -99,6 +99,20 @@ lvim.builtin.treesitter.highlight.enabled = true
 
 -- generic LSP settings
 
+-- -- make sure server will always be installed even if the server is in skipped_servers list
+-- lvim.lsp.installer.setup.ensure_installed = {
+--     "sumeko_lua",
+--     "jsonls",
+-- }
+-- -- change UI setting of `LspInstallInfo`
+-- -- see <https://github.com/williamboman/nvim-lsp-installer#default-configuration>
+-- lvim.lsp.installer.setup.ui.check_outdated_servers_on_open = false
+-- lvim.lsp.installer.setup.ui.border = "rounded"
+-- lvim.lsp.installer.setup.ui.keymaps = {
+--     uninstall_server = "d",
+--     toggle_server_expand = "o",
+-- }
+
 -- ---@usage disable automatic installation of servers
 -- lvim.lsp.automatic_servers_installation = false
 
@@ -109,7 +123,7 @@ lvim.builtin.treesitter.highlight.enabled = true
 -- require("lvim.lsp.manager").setup("pyright", opts)
 
 -- ---remove a server from the skipped list, e.g. eslint, or emmet_ls. !!Requires `:LvimCacheReset` to take effect!!
--- ---`:LvimInfo` lists which server(s) are skiipped for the current filetype
+-- ---`:LvimInfo` lists which server(s) are skipped for the current filetype
 -- vim.tbl_map(function(server)
 --   return server ~= "emmet_ls"
 -- end, lvim.lsp.automatic_configuration.skipped_servers)