Function apply

ui/src/live/createLiveStore.ts:86–93

(next)

  let visibilityHandler: (() => void) | null = null

  const apply: Apply<S> = (next) => {
    if (typeof next === 'function') {
      inner.setState((prev) => (next as (p: S) => S)(prev), true)
    } else {
      inner.setState(next, true)
    }
    lastEventTs = Date.now()
  }

  function start() {
    if (cleanup) return