rvx/dist/es/store/probes.js

A signal based rendering library

import { isTracking, Signal } from "../core/signals.js";
export class ProbeSignal extends Signal {
    #onDisposable;
    constructor(onDisposable, value) {
        super(value);
        this.#onDisposable = onDisposable;
    }
    notify() {
        super.notify();
        if (!this.active) {
            this.#onDisposable();
        }
    }
}
export class ProbeMap {
    #probes = new Map();
    #get;
    constructor(get) {
        this.#get = get;
    }
    access(key) {
        if (isTracking()) {
            let probe = this.#probes.get(key);
            if (probe === undefined) {
                probe = new ProbeSignal(() => this.#probes.delete(key), this.#get(key));
                this.#probes.set(key, probe);
            }
            probe.access();
        }
    }
    update(key, value) {
        const probe = this.#probes.get(key);
        if (probe !== undefined) {
            probe.value = value;
        }
    }
    fill(value) {
        for (const probe of this.#probes.values()) {
            probe.value = value;
        }
    }
}
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