Restructure nvim LSP setup and add LspAdd command

vim/plugin/lsp.lua

@@ -20,7 +20,17 @@ setmetatable(default, {__call = function(self, other)
 	return new
 end})
 
-for key, value in pairs {
+local configs = setmetatable({
+	yamlls = default {
+		settings = {
+			yaml = {
+				format = { enable = true }
+			}
+		}
+	},
+}, {__index = function() return default end})
+
+for _, language in ipairs {
 	"clangd",
 	"cssls",
 	"html",
@@ -31,28 +41,22 @@ for key, value in pairs {
 	"svelte",
 	"tsserver",
 	"zls",
-	yamlls = default {
+	"yamlls", -- bun install --global yaml-language-server
-		settings = {
-			yaml = {
-				format = { enable = true }
-			}
-		}
-	}, -- bun install --global yaml-language-server
 } do
-	local language, settings if type(key) == "string" then
+	config[language].setup(ensure_capabilities(configs[language]))
-		language, settings = key, value
-	else
-		language, settings = value, default
 end
 
-	config[language].setup(ensure_capabilities(settings))
+-- function _G.ls(name)
-end
+-- 	for _, server in pairs(vim.lsp.get_clients()) do
+-- 		if server.config.name == name then
+-- 			return server
+-- 		end
+-- 		error("No running language server with name " .. name)
+-- 	end
+-- end
 
-function _G.ls(name)
+vim.api.nvim_create_user_command("LspAdd", function(params)
-	for _, server in pairs(vim.lsp.get_clients()) do
+	local language = params.args
-		if server.config.name == name then
+	local setup = config[language].setup -- temp variable for better stack trace
-			return server
+	setup(ensure_capabilities(configs[language]))
-		end
+end, {nargs = 1})
-		error("No running language server with name " .. name)
-	end
-end