1 files changed, 41 insertions, 0 deletions
diff --git a/lua/common_lsp/util.lua b/lua/common_lsp/util.lua
new file mode 100644
index 00000000..8f398dee
--- /dev/null
+++ b/lua/common_lsp/util.lua
@@ -0,0 +1,41 @@
+local validate = vim.validate
+local api = vim.api
+
+local M = {}
+
+function M.validate_bufnr(bufnr)
+	validate {
+		bufnr = { bufnr, 'n' }
+	}
+	return bufnr == 0 and api.nvim_get_current_buf() or bufnr
+end
+
+function M.add_hook_before(fn, new_fn)
+	if fn then
+		return function(...)
+			-- TODO which result?
+			new_fn(...)
+			return fn(...)
+		end
+	else
+		return new_fn
+	end
+end
+
+function M.add_hook_after(fn, new_fn)
+	if fn then
+		return function(...)
+			-- TODO which result?
+			fn(...)
+			return new_fn(...)
+		end
+	else
+		return new_fn
+	end
+end
+
+local function split_lines(s)
+	return vim.split(s, "\n", true)
+end
+
+return M