lua/lsp/fn/list_available_ls.lua

   1 local asked = {}
   2
   3 --- @param t table|nil list language servers available from Mason for current filetype
   4 local list_available_ls = function(t)
   5     if not t then
   6         t = {
   7             buf = 0,
   8             match = vim.fn.input({ prompt = "Filetype: ", default = vim.bo.filetype }),
   9             all = true
  10         }
  11     end
  12     if not vim.bo[t.buf].buftype == "" then return end
  13
  14     if not t.all and asked[t.match] then return end
  15     asked[t.match] = true
  16
  17     if not t.all and vim.tbl_contains(require("lsp.fn.mason_exclude"), t.match) then return end
  18
  19     local mason_config = require("mason-lspconfig")
  20     local available_servers = mason_config.get_available_servers({ filetype = t.match })
  21
  22     if #available_servers == 0 then return end
  23
  24     local installed_servers = mason_config.get_installed_servers()
  25     for a, available in ipairs(available_servers) do
  26         if vim.tbl_contains(require("lsp.fn.mason_exclude"), available) then return end
  27         for _, installed in ipairs(installed_servers) do
  28             if available == installed then
  29                 available_servers[a] = installed .. " " .. "✓"
  30                 if not t.all then return end
  31             end
  32         end
  33     end
  34     vim.ui.select(available_servers,
  35         { prompt = "Select lsp server to install: " },
  36         function(item)
  37             if item then vim.cmd("LspInstall " .. item) end
  38         end)
  39 end
  40
  41 vim.api.nvim_create_user_command("LspAvailable", function() list_available_ls() end, {})
  42
  43 return list_available_ls