Method _stop

packages/core/src/SpringValue.ts:1023–1052

* Exit the frameloop and notify `onRest` listeners. * * Always wrap `_stop` calls with `batchedUpdates`.

(goal?: any, cancel?: boolean)

   * Always wrap `_stop` calls with `batchedUpdates`.
   */
  protected _stop(goal?: any, cancel?: boolean) {
    if (isAnimating(this)) {
      setActiveBit(this, false)

      const anim = this.animation
      each(anim.values, node => {
        node.done = true
      })

      // These active handlers must be reset to undefined or else
      // they could be called while idle. But keep them defined
      // when the goal value is dynamic.
      if (anim.toValues) {
        anim.onChange = anim.onPause = anim.onResume = undefined
      }

      callFluidObservers(this, {
        type: 'idle',
        parent: this,
      })

      const result = cancel
        ? getCancelledResult(this.get())
        : getFinishedResult(this.get(), checkFinished(this, goal ?? anim.to))

      flushCalls(this._pendingCalls, result)
      anim.changed = false
      sendEvent(this, 'onRest', result, this)
    }
  }
}

/** Returns true when the current value and goal value are equal. */