Neovim Plugins and Configuration Recipes | 5

options.lua

local function update_lead()
  local lcs = vim.opt_local.listchars:get()
  local tab = vim.fn.str2list(lcs.tab)
  local space = vim.fn.str2list(lcs.multispace or lcs.space)
  local lead = { tab[1] }
  for i = 1, vim.bo.tabstop - 1 do
    lead[#lead + 1] = space[i % #space + 1]
  end
  vim.opt_local.listchars:append { leadmultispace = vim.fn.list2str(lead) }
end

local function indent_listchars()
  opt.list = true
  opt.listchars = {
    tab = "⟩ ",
    trail = "+",
    precedes = "<",
    extends = ">",
    space = "·",
    nbsp = "␣",
    leadmultispace = "│ ",
    multispace = "│ ",
  }
  vim.api.nvim_create_autocmd("OptionSet", { pattern = { "listchars", "tabstop", "filetype" }, callback = update_lead })
  vim.api.nvim_create_autocmd("VimEnter", { callback = update_lead, once = true })
end

indent_listchars()