feat: add lvim.lsp.smart_cwd (#1218)

- Enable querying the language-server for the `root_dir`
- Use `root_dir` to set the current working-directory (CWD)
- Make vim-rooter configurable and add an option to disable it

Inspired by "ahmedkhalf/lsp-rooter.nvim"

2 files changed, 11 insertions, 3 deletions

diff --git a/lua/lsp/init.lua b/lua/lsp/init.lua
index b85dfcd2..66efdafc 100644
--- a/lua/lsp/init.lua
+++ b/lua/lsp/init.lua
@@ -83,6 +83,10 @@ function M.common_on_attach(client, bufnr)
   end
   lsp_highlight_document(client)
   add_lsp_buffer_keybindings(bufnr)
+  if lvim.lsp.smart_cwd then
+    vim.api.nvim_set_current_dir(client.config.root_dir)
+    require("core.nvimtree").change_tree_dir(client.config.root_dir)
+  end
   require("lsp.null-ls").setup(vim.bo.filetype)
 end
 
diff --git a/lua/lsp/null-ls.lua b/lua/lsp/null-ls.lua
index 51fab00b..d3f7931b 100644
--- a/lua/lsp/null-ls.lua
+++ b/lua/lsp/null-ls.lua
@@ -24,10 +24,14 @@ function M.get_registered_providers_by_filetype(ft)
 end
 
 local function validate_nodejs_provider(requests, provider)
-  vim.cmd "let root_dir = FindRootDirectory()"
-  local root_dir = vim.api.nvim_get_var "root_dir"
+  local ts_client = require("utils").get_active_client_by_ft "typescript"
+  if ts_client == nil then
+    u.lvim_log "Unable to determine root directory since tsserver didn't start correctly"
+    return
+  end
+  local root_dir = ts_client.config.root_dir
   local local_nodejs_command = root_dir .. "/node_modules/.bin/" .. provider._opts.command
-  u.lvim_log(string.format("checking for local node module: [%s]", vim.inspect(provider)))
+  u.lvim_log(string.format("checking [%s] for local node module: [%s]", local_nodejs_command, vim.inspect(provider)))
   if vim.fn.executable(local_nodejs_command) == 1 then
     provider._opts.command = local_nodejs_command
     table.insert(requests, provider)