Added resession extension to persist tabpage names across sessions

lua/bufferline/utils/init.lua

@@ -37,6 +37,12 @@ function M.fold(callback, list, accum)
   return accum
 end
 
+---Strip whitespace from a string
+---@param str string
+function M.stripString(str)
+  return str:gsub("^%s*(.-)%s*$", "%1")
+end
+
 ---Variant of some that sums up the display size of characters
 ---@vararg string
 ---@return integer

lua/resession/extensions/bufferline.lua

@@ -0,0 +1,38 @@
+local tabPages = require('bufferline.tabpages')
+local util = require('bufferline.utils')
+
+local M = {}
+
+function M.on_save()
+  local tabs = tabPages.get()
+  local tabNames = {}
+  for tabIndex, componentData in ipairs(tabs) do
+    local components = componentData.component
+
+    -- a little gross, but this will work - see tabPages.lua:render()
+    local titleComponent = vim.tbl_filter(
+        function(comp) return comp.attr ~= nil end,
+        components
+      )[1]
+      tabNames[#tabNames+1] = titleComponent.text
+  end
+  return tabNames
+end
+
+
+function M.on_post_load(tabNames)
+
+  -- Start from the *current* tab index, and wraparound
+  local tabId = vim.api.nvim_win_get_tabpage(0)
+  local tabIndex = vim.api.nvim_tabpage_get_number(tabId)
+  for _, _ in ipairs(tabNames) do
+    local tabName = tabNames[tabIndex]
+    tabPages.rename_tab(tabIndex, util.stripString(tabName))
+    tabIndex = tabIndex+1
+    if tabIndex > #tabNames then tabIndex = 1 end
+    vim.cmd('tabnext')
+  end
+end
+
+return M
+