neovim/.config/nvim/lua/dyamon/foldtext.lua


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--- Personal lua config files for NeoVim.
--  Last Changed: 2019-01-27
--  Author: Federico Igne <git@federicoigne.com>
--  License: This file is placed in the public domain.

-- Override default `foldtext` with something like:
--
--    »···[42l]···Title··················································
--
local foldtext = function()
  local start = "»"
  local middots = "···"
  local foldstart = vim.v.foldstart
  local foldend = vim.v.foldend
  local lines = string.format("[%3dl]", foldend - foldstart + 1)
  local indent = middots:rep(vim.v.foldlevel)
  local title = vim.api.nvim_buf_get_lines(0, foldstart - 1, foldstart, false)[1]:gsub("^.*{{{%d+ ", "")
  return start .. middots .. lines .. indent .. title
end

return foldtext