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local fs = require("nvim-lsp-installer.fs")
local path = require("nvim-lsp-installer.path")
local M = {}
-- :'<,'>!sort
local _SERVERS = {
"bashls",
"clangd",
"cssls",
"denols",
"dockerls",
"eslintls",
"gopls",
"graphql",
"html",
"jsonls",
"rust_analyzer",
"solargraph",
"sumneko_lua",
"texlab",
"tsserver",
"vimls",
"vuels",
"yamlls",
}
local function get_server(server_name)
return pcall(require, ("nvim-lsp-installer.servers.%s"):format(server_name))
end
local function get_servers(server_names)
local result = {}
for _, server_name in pairs(server_names) do
local ok, server = get_server(server_name)
if not ok then
vim.api.nvim_err_writeln(("Unable to find LSP server %s. Error=%s"):format(server_name, server))
goto continue
end
result[server_name] = server
::continue::
end
return result
end
function M.get_available_servers()
return vim.tbl_values(get_servers(_SERVERS))
end
function M.get_installed_servers()
return vim.tbl_filter(
function (server)
return server:is_installed()
end,
M.get_available_servers()
)
end
function M.get_uninstalled_servers()
return vim.tbl_filter(
function (server)
return not server:is_installed()
end,
M.get_available_servers()
)
end
function M.install(server_name)
local ok, server = get_server(server_name)
if not ok then
return vim.api.nvim_err_writeln(("Unable to find LSP server %s. Error=%s"):format(server_name, server))
end
local success, error = pcall(server.install, server)
if not success then
pcall(server.uninstall, server)
return vim.api.nvim_err_writeln(("Failed to install %s. Error=%s"):format(server_name, vim.inspect(error)))
end
end
function M.uninstall(server_name)
local ok, server = get_server(server_name)
if not ok then
return vim.api.nvim_err_writeln(("Unable to find LSP server %s. Error=%s"):format(server_name, server))
end
local success, error = pcall(server.uninstall, server)
if not success then
vim.api.nvim_err_writeln(("Unable to uninstall %s. Error=%s"):format(server_name, vim.inspect(error)))
return success
end
print(("Successfully uninstalled %s"):format(server_name))
end
function M.get_server_root_path(server)
return path.concat { vim.fn.stdpath("data"), "lsp_servers", server }
end
M.Server = {}
M.Server.__index = M.Server
---@class Server
--@param opts table
-- @field name (string) The name of the LSP server. This MUST correspond with lspconfig's naming.
--
-- @field root_dir (string) The root directory of the installation. Most servers will make use of server.get_server_root_path() to produce its root_dir path.
--
-- @field install_cmd (string) The shell script that installs the LSP. Make sure to exit with an error code (e.g. exit 1) on failures.
-- The shell script is executed with "set -e" (exits the script on first non-successful command) by default.
--
-- @field default_options (table) The default options to be passed to lspconfig's .setup() function. Each server should provide at least the `cmd` field.
--
-- @field pre_install_check (function) An optional function to be executed before the install_cmd. This allows ensuring that any prerequisites are fulfilled.
-- This could for example be verifying that required build tools are installed.
function M.Server:new(opts)
return setmetatable({
name = opts.name,
_install_cmd = opts.install_cmd,
_root_dir = opts.root_dir,
_default_options = opts.default_options,
_pre_install_check = opts.pre_install_check,
}, M.Server)
end
function M.Server:setup(opts)
-- We require the lspconfig server here in order to do it as late as possible.
-- The reason for this is because once a lspconfig server has been imported, it's
-- automatically registered with lspconfig and causes it to show up in :LspInfo and whatnot.
require("lspconfig")[self.name].setup(
vim.tbl_deep_extend("force", self._default_options, opts)
)
end
function M.Server:is_installed()
return fs.dir_exists(self._root_dir)
end
function M.Server:create_root_dir()
fs.mkdirp(self._root_dir)
end
function M.Server:install()
if self._pre_install_check then
self._pre_install_check()
end
-- We run uninstall after pre_install_check because we don't want to
-- unnecessarily uninstall a server should it no longer pass the
-- pre_install_check.
self:uninstall()
self:create_root_dir()
self._install_cmd(self, function (_, exit_code)
if exit_code ~= 0 then
vim.api.nvim_err_writeln(("Server installation failed for %s. Exit code: %d"):format(self.name, exit_code))
pcall(self.uninstall, self)
else
print(("Successfully installed %s"):format(self.name))
end
end)
end
function M.Server:uninstall()
fs.rmrf(self._root_dir)
end
return M
|
