LunarVim/lua/lsp/lua-ls.lua

-- https://github.com/sumneko/lua-language-server/wiki/Build-and-Run-(Standalone)
-- TODO fix for different systems and put variable for user

-- local system_name
-- if vim.fn.has("mac") == 1 then
--   system_name = "macOS"
-- elseif vim.fn.has("unix") == 1 then
--   system_name = "Linux"
-- elseif vim.fn.has('win32') == 1 then
--   system_name = "Windows"
-- else
--   print("Unsupported system for sumneko")
-- end

-- set the path to the sumneko installation; if you previously installed via the now deprecated :LspInstall, use
local sumneko_root_path = "/Users/chris/.config/nvim/lua-language-server"
local sumneko_binary = "/Users/chris/.config/nvim/lua-language-server/bin/macOS/lua-language-server"

require'lspconfig'.sumneko_lua.setup {
  cmd = {sumneko_binary, "-E", sumneko_root_path .. "/main.lua"};
  settings = {
    Lua = {
      runtime = {
        -- Tell the language server which version of Lua you're using (most likely LuaJIT in the case of Neovim)
        version = 'LuaJIT',
        -- Setup your lua path
        path = vim.split(package.path, ';'),
      },
      diagnostics = {
        -- Get the language server to recognize the `vim` global
        globals = {'vim'},
      },
      workspace = {
        -- Make the server aware of Neovim runtime files
        library = {
          [vim.fn.expand('$VIMRUNTIME/lua')] = true,
          [vim.fn.expand('$VIMRUNTIME/lua/vim/lsp')] = true,
        },
      },
    },
  },
}