nixvim-config/plugins/indent-blankline.nix

{ ... }:
{
  programs.nixvim.plugins = {
    indent-blankline = {
      enable = true;
      luaConfig.post = ''
        vim.g.indent_blankline_filetype_exclude = {
          'checkhealth',
          'dashboard',
          'help',
          'lspinfo',
          'neogitstatus',
          'packer',
          'startify',
          "",
        }

        local highlight = {
          "RainbowRed",
          "RainbowYellow",
          "RainbowBlue",
          "RainbowOrange",
          "RainbowGreen",
          "RainbowViolet",
          "RainbowCyan",
        }
        local hooks = require "ibl.hooks"
        -- create the highlight groups in the highlight setup hook, so they are reset
        -- every time the colorscheme changes
        hooks.register(hooks.type.HIGHLIGHT_SETUP, function()
          vim.api.nvim_set_hl(0, "RainbowRed", { fg = "#E06C75" })
          vim.api.nvim_set_hl(0, "RainbowYellow", { fg = "#E5C07B" })
          vim.api.nvim_set_hl(0, "RainbowBlue", { fg = "#61AFEF" })
          vim.api.nvim_set_hl(0, "RainbowOrange", { fg = "#D19A66" })
          vim.api.nvim_set_hl(0, "RainbowGreen", { fg = "#98C379" })
          vim.api.nvim_set_hl(0, "RainbowViolet", { fg = "#C678DD" })
          vim.api.nvim_set_hl(0, "RainbowCyan", { fg = "#56B6C2" })
        end)

        vim.g.rainbow_delimiters = { highlight = highlight }
        require("ibl").setup { scope = { highlight = highlight } }

        hooks.register(hooks.type.SCOPE_HIGHLIGHT, hooks.builtin.scope_highlight_from_extmark)
      '';
    };
  };
}