ref: utils.has -> vim.tbl_contains

lua/barbar/state.lua

@@ -13,6 +13,7 @@ local get_current_buf = vim.api.nvim_get_current_buf --- @type function
 local list_bufs = vim.api.nvim_list_bufs --- @type function
 local list_extend = vim.list_extend
 local severity = vim.diagnostic.severity --- @type {[integer]: string, [string]: integer}
+local tbl_contains = vim.tbl_contains
 local tbl_filter = vim.tbl_filter
 
 local Buffer = require'barbar.buffer'
@@ -116,10 +117,10 @@ function state.get_buffer_list()
 
   for _, bufnr in ipairs(list_bufs()) do
     if buf_get_option(bufnr, 'buflisted') and
-      not utils.has(exclude_ft, buf_get_option(bufnr, 'filetype'))
+      not tbl_contains(exclude_ft, buf_get_option(bufnr, 'filetype'))
     then
       local name = buf_get_name(bufnr)
-      if not utils.has(exclude_name, utils.basename(name, hide_extensions)) then
+      if not tbl_contains(exclude_name, utils.basename(name, hide_extensions)) then
         table_insert(result, bufnr)
       end
     end

lua/barbar/utils.lua

@@ -136,15 +136,6 @@ local utils = {
       notify_once_util(name .. ' is deprecated. Use ' .. alternative .. 'instead.', vim.log.levels.WARN)
     end,
 
-  --- Return whether element `n` is in a `list.
-  --- @generic T
-  --- @param list T[]
-  --- @param t T
-  --- @return boolean
-  has = function(list, t)
-    return index_of(list, t) ~= nil
-  end,
-
   --- utilities for working with highlight groups.
   --- @class barbar.utils.hl
   hl = {