Method observerAdded

targets/web/src/AnimatedStyle.ts:151–159

(count: number)

  // Start observing our inputs once we have an observer.
  protected observerAdded(count: number) {
    if (count == 1)
      each(this.inputs, input =>
        each(
          input,
          value => hasFluidValue(value) && addFluidObserver(value, this)
        )
      )
  }

  // Stop observing our inputs once we have no observers.
  protected observerRemoved(count: number) {