nixvim-config/plugins/indent-blankline.nix

{ ... }:
{
  programs.nixvim.plugins = {
    indent-blankline = {
      enable = true;
      luaConfig.post = ''
        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
          },
          exclude = {
            buftypes = {
              "terminal",
              "quickfix",
              "startify",
            },
            filetypes = {
              "",
              "checkhealth",
              "help",
              "lspinfo",
              "neogitstatus",
              "packer",
              "startify",
              "TelescopePrompt",
              "TelescopeResults",
              "yaml",
            },
          };
        })

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