From d7c7dc70ff4b29bf8727d7f2d3f623f4b85ef001 Mon Sep 17 00:00:00 2001
From: Pablo Fonseca <pablobfonseca@users.noreply.github.com>
Date: Tue, 21 May 2024 17:18:28 +0100
Subject: [PATCH] fix: replace tbl_flatten to flatten():totable() (#912)

* fix: replace tbl_flatten to flatten():totable()

- support nvim < 0.10

* fix: extract nvim version check to a variable

* fix: check if is nvim 0.11 for flatten()
---
 lua/bufferline/ui.lua         | 2 +-
 lua/bufferline/utils/init.lua | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lua/bufferline/ui.lua b/lua/bufferline/ui.lua
index 79c43c1a..37361e6c 100644
--- a/lua/bufferline/ui.lua
+++ b/lua/bufferline/ui.lua
@@ -568,7 +568,7 @@ local function to_tabline_str(component)
     table.insert(str, 1, attr[1])
     table.insert(str, #str + 1, attr[1])
   end
-  return table.concat(vim.tbl_flatten(str))
+  return table.concat(utils.tbl_flatten(str))
 end
 
 --- PREREQUISITE: active buffer always remains in view
diff --git a/lua/bufferline/utils/init.lua b/lua/bufferline/utils/init.lua
index a87b7207..d3c3d120 100644
--- a/lua/bufferline/utils/init.lua
+++ b/lua/bufferline/utils/init.lua
@@ -10,6 +10,8 @@ local M = {}
 local fn, api = vim.fn, vim.api
 local strwidth = api.nvim_strwidth
 
+local isNvimEleven = vim.fn.has("nvim-0.11") == 1
+
 function M.is_test()
   ---@diagnostic disable-next-line: undefined-global
   return __TEST
@@ -275,4 +277,8 @@ else
   M.is_list = vim.tbl_isarray or vim.tbl_islist
 end
 
+function M.tbl_flatten(t)
+  return isNvimEleven and vim.iter(t):flatten(math.huge):totable() or vim.tbl_flatten(t)
+end
+
 return M