@vaadin/hilla-react-signals/NumberSignal.js

Signals for Hilla React

import { createIncrementStateEvent, isIncrementStateEvent } from './events.js';
import { $createOperation, $processServerResponse, $resolveOperation, $setValueQuietly, $update, } from './FullStackSignal.js';
import { ValueSignal } from './ValueSignal.js';
export class NumberSignal extends ValueSignal {
    #sentIncrementEvents = new Map();
    incrementBy(delta) {
        if (delta === 0) {
            return { result: Promise.resolve() };
        }
        this[$setValueQuietly](this.value + delta);
        const event = createIncrementStateEvent(delta);
        this.#sentIncrementEvents.set(event.id, event);
        const promise = this[$update](event);
        return this[$createOperation]({ id: event.id, promise });
    }
    [$processServerResponse](event) {
        if (event.accepted && isIncrementStateEvent(event)) {
            const sentEvent = this.#sentIncrementEvents.get(event.id);
            if (sentEvent) {
                this.#sentIncrementEvents.delete(event.id);
            }
            else {
                this[$setValueQuietly](this.value + event.value);
            }
            this[$resolveOperation](event.id);
        }
        else {
            super[$processServerResponse](event);
        }
    }
}
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