sobs/lib/core/observe.js

React observables

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = require("react");
const utils_1 = require("../internal/utils");
exports.default = (...observableObjects) => {
    for (const observable of observableObjects)
        observe(observable);
};
const observe = (observable) => {
    const forceUpdate = utils_1.useForcedUpdate();
    react_1.useEffect(() => {
        if (observable === null || observable === undefined)
            return;
        const listeners = observable.__sobs_listeners;
        if (!listeners)
            return;
        const listenerId = observable.__sobs_addListener(forceUpdate);
        return () => observable.__sobs_removeListener(listenerId);
    }, [observable]);
};
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