oneManQueue.ts

type Fn = (signal: AbortController['signal']) => Promise<unknown>

/** or woman or non-binary for that matter */
export const createOneManQueue = () => {
  let task: Promise<unknown> = Promise.resolve()
  let abortController = new AbortController()
  const enqueue = (fn: Fn) => {
    abortController.abort()
    abortController = new AbortController()
    task.finally(() => {
      task = fn(abortController.signal)
    })
  }
  return { enqueue }
}