web-shared-preferences/dist/Dispatcher.js

An simple class to manage the loacal storage, including React like useString, useJSON and more!

import { useReducer } from "react";
import { SharedPreferences } from "./SharedPreferences";
/**
 * Used to build different hooks for the `localStorage` implementation
 * @param key To get the value from the local storage
 * @param defValue Default value to return if the key does not exist
 * @param coreGetter
 * @param coreSetter
 * @returns
 */
export function usePref(key, defValue, coreGetter, coreSetter) {
    const [, forceRender] = useReducer((x) => x + 1, 0);
    const getter = coreGetter(key, defValue);
    const setter = (value) => {
        coreSetter(key, typeof value == "function" ? value(getter) : value);
        if (getter !== value) {
            forceRender();
        }
    };
    return [getter, setter];
}
export function Dispatcher(storage) {
    const pref = new SharedPreferences(storage);
    return {
        useString(key, defValue) {
            return usePref(key, defValue, (key, defValue) => pref.getString(key, defValue), (key, value) => pref.setString(key, value));
        },
        useBoolean(key, defValue) {
            return usePref(key, defValue, (key, defValue) => pref.getBoolean(key, defValue), (key, value) => pref.setBoolean(key, value));
        },
        useNumber(key, defValue) {
            return usePref(key, defValue, (key, defValue) => pref.getNumber(key, defValue), (key, value) => pref.setNumber(key, value));
        },
        useJSON(key, defValue) {
            return usePref(key, defValue, (key, defValue) => pref.getJSON(key, defValue), (key, value) => pref.setJSON(key, value));
        },
    };
}
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