Function endBatch

packages/mobx/src/core/observable.ts:110–133

()

}

export function endBatch() {
    if (--globalState.inBatch === 0) {
        runReactions()
        // the batch is actually about to finish, all unobserving should happen here.
        const list = globalState.pendingUnobservations
        for (let i = 0; i < list.length; i++) {
            const observable = list[i]
            observable.isPendingUnobservation = false
            if (observable.observers_.size === 0) {
                if (observable.isBeingObserved) {
                    // if this observable had reactive observers, trigger the hooks
                    observable.isBeingObserved = false
                    observable.onBUO()
                }
                if (observable instanceof ComputedValue) {
                    // computed values are automatically teared down when the last observer leaves
                    // this process happens recursively, this computed might be the last observabe of another, etc..
                    observable.suspend_()
                }
            }
        }
        globalState.pendingUnobservations = []
    }
}

export function reportObserved(observable: IObservable): boolean {
    checkIfStateReadsAreAllowed(observable)