local jai_entry = {
  install_info = {
    url = "https://github.com/constantitus/tree-sitter-jai",
    files = { "src/parser.c" },
    branch = "main",
  },
  tier = 3,
}

-- parsers.lua is a plain table with no side effects, so loadfile is safe here.
-- We need preload rather than a one-time mutation because install.lua calls
-- reload_parsers() (package.loaded = nil + re-require) before checking languages.
local parsers_path = vim.fn.globpath(vim.o.rtp, "lua/nvim-treesitter/parsers.lua", 0, 1)[1]
package.preload["nvim-treesitter.parsers"] = function()
  local parsers = assert(loadfile(parsers_path))()
  parsers.jai = jai_entry
  return parsers
end

vim.filetype.add({ extension = { jai = "jai" } })

vim.api.nvim_create_autocmd("FileType", {
  pattern = "jai",
  callback = function()
    vim.treesitter.start()
    vim.bo.commentstring = "// %s"
  end,
})