From f1ca79e628090d10c46cccdb6387f13b696c70cf Mon Sep 17 00:00:00 2001
From: kylo252 <59826753+kylo252@users.noreply.github.com>
Date: Mon, 20 Dec 2021 08:59:47 +0100
Subject: refactor: remove unused old language configs (#2094)

---
 lua/lvim/lsp/utils.lua | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'lua/lvim/lsp/utils.lua')

diff --git a/lua/lvim/lsp/utils.lua b/lua/lvim/lsp/utils.lua
index df3846ce..6d1ed09c 100644
--- a/lua/lvim/lsp/utils.lua
+++ b/lua/lvim/lsp/utils.lua
@@ -49,12 +49,15 @@ function M.get_client_capabilities(client_id)
   return enabled_caps
 end
 
+---Get supported filetypes per server
+---@param server_name string can be any server supported by nvim-lsp-installer
+---@return table supported filestypes as a list of strings
 function M.get_supported_filetypes(server_name)
-  -- temporary workaround: https://github.com/neovim/nvim-lspconfig/pull/1358
-  if server_name == "dockerls" then
-    return { "dockerfile" }
+  local status_ok, lsp_installer_servers = pcall(require, "nvim-lsp-installer.servers")
+  if not status_ok then
+    return {}
   end
-  local lsp_installer_servers = require "nvim-lsp-installer.servers"
+
   local server_available, requested_server = lsp_installer_servers.get_server(server_name)
   if not server_available then
     return {}
@@ -63,4 +66,14 @@ function M.get_supported_filetypes(server_name)
   return requested_server:get_supported_filetypes()
 end
 
+---Get all supported filetypes by nvim-lsp-installer
+---@return table supported filestypes as a list of strings
+function M.get_all_supported_filetypes()
+  local status_ok, lsp_installer_filetypes = pcall(require, "nvim-lsp-installer._generated.filetype_map")
+  if not status_ok then
+    return {}
+  end
+  return vim.tbl_keys(lsp_installer_filetypes or {})
+end
+
 return M
-- 
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