navigator.lua/lua/navigator/debounce.lua

local M = {}
local uv = vim.uv or vim.loop

function M.debounce_trailing(ms, fn)
  local timer = uv.new_timer()
  return function(...)
    local argv = {...}
    if timer:is_active() then
      timer:stop()
      return
    end
    timer:start(ms, 0, function()
      timer:stop()
      fn(unpack(argv))
    end)
  end
end

function M.throttle_leading(ms, fn)
  local timer = uv.new_timer()
  local running = false
  return function(...)
    if not running then
      timer:start(ms, 0, function()
        running = false
        timer:stop()
      end)
      running = true
      fn(...)
    end
  end
end

return M