effector-persist/lib/index.js

Higher-order function for persist effector store in local storage

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.withPersist = void 0;
const effector_1 = require("effector");
const defaultConfig = {
    key: 'persist'
};
const withPersist = (store, config = defaultConfig) => {
    const name = store.shortName;
    const { key, expire } = config;
    const persistKey = `${key}:${name}`;
    const rehydrate = (0, effector_1.createEvent)('@PERSIST/REHYDRATE');
    if (expire && isExpired(expire)) {
        localStorage.removeItem(persistKey);
    }
    const snapshot = localStorage.getItem(persistKey);
    if (snapshot) {
        store.on(rehydrate, () => JSON.parse(snapshot));
        rehydrate();
    }
    store.watch((state) => {
        localStorage.setItem(persistKey, JSON.stringify(state));
    });
    return store;
};
exports.withPersist = withPersist;
const isExpired = (expire) => expire < Date.now();
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