From b877aa34cf366982bf92aa8b17a8409a1f8eb134 Mon Sep 17 00:00:00 2001 From: Jeremy Fleischman Date: Sat, 3 May 2025 14:57:59 -0700 Subject: feat(lsp): detach LSP clients when 'filetype' changes #33707 Problem: When the buffer 'filetype' changes, invalid or non-applicable LSP clients are not detached. https://github.com/neovim/neovim/issues/33443 https://github.com/neovim/nvim-lspconfig/issues/3326 Solution: In the enable() routine, check can_start() on _existing_ clients. --- runtime/lua/vim/lsp.lua | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'runtime/lua/vim/lsp.lua') diff --git a/runtime/lua/vim/lsp.lua b/runtime/lua/vim/lsp.lua index 5cd1e4eec7..cb711859da 100644 --- a/runtime/lua/vim/lsp.lua +++ b/runtime/lua/vim/lsp.lua @@ -544,6 +544,15 @@ local function lsp_enable_callback(bufnr) return end + -- Stop any clients that no longer apply to this buffer. + local clients = lsp.get_clients({ bufnr = bufnr, _uninitialized = true }) + for _, client in ipairs(clients) do + if not can_start(bufnr, client.name, lsp.config[client.name]) then + lsp.buf_detach_client(bufnr, client.id) + end + end + + -- Start any clients that apply to this buffer. for name in vim.spairs(lsp._enabled_configs) do local config = lsp.config[name] if config and can_start(bufnr, name, config) then -- cgit