nice-ui/lib/hooks/useBehaviorSubject.js

React design system, components, and utilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.useBehaviorSubjectOpt = exports.useBehaviorSubject = void 0;
const react_1 = require("react");
const useBehaviorSubject = (subject) => {
    const ref = (0, react_1.useRef)(subject.getValue());
    const [, setCnt] = (0, react_1.useState)(0);
    (0, react_1.useEffect)(() => {
        const subscription = subject.subscribe((value) => {
            ref.current = value;
            setCnt((prev) => prev + 1);
        });
        return () => subscription.unsubscribe();
    }, [subject]);
    return ref.current;
};
exports.useBehaviorSubject = useBehaviorSubject;
const useBehaviorSubjectOpt = (subject) => {
    const ref = (0, react_1.useRef)(subject?.getValue());
    const [, setCnt] = (0, react_1.useState)(0);
    (0, react_1.useEffect)(() => {
        if (!subject) {
            ref.current = undefined;
            return;
        }
        const subscription = subject.subscribe((value) => {
            ref.current = value;
            setCnt((prev) => prev + 1);
        });
        return () => subscription.unsubscribe();
    }, [subject]);
    return ref.current;
};
exports.useBehaviorSubjectOpt = useBehaviorSubjectOpt;