-- local domobject = require "luaxml-domobject"


local filter = require "make4ht-filter"
local domfilter = require "make4ht-domfilter"

-- this probably isn't necessary anymore, as we replaced listings with minted
local fix_code_blocks = require "filters.fix_code_blocks"
-- Keep only top section levels from other than current chapter
local toc_sections = require "filters.collapse_toc"
-- clean CSS file from duplicate colors
local join_colors = require "filters.join_colors"

filter_settings "collapsetoc" {
  toc_query = "nav.TOC"
}
-- local process = domfilter{toc_sections, fix_code_blocks, join_colors}
local process = domfilter{"collapsetoc", fix_code_blocks, join_colors}

-- it removed the whole TOC. What is the issue?
Make:match("html$", process)