set.js

import browser from "webextension-polyfill";

const entries = async (key) => {
    const values = await browser.storage.local.get(key);
    if (Array.isArray(values[key])) {
        return values[key];
    } else {
        return [];
    }
}

const remove = async (key, item) => {
    const items = await entries(key);
    const newArray = items.filter(filter => filter !== item);
    await browser.storage.local.set({[key]: newArray});
}

const removeObject = async (key, objectKey, objectValue) => {
    const items = await entries(key);
    const newArray = items.filter(filter => filter[objectKey] !== objectValue);
    await browser.storage.local.set({[key]: newArray});
}

const add = async (key, item) => {
    const array = await entries(key);
    array.push(item);
    await browser.storage.local.set({[key]: array});
}

const addObject = async (key, item) => {
    const array = await entries(key);
    const result = array.find( ({ name }) => name === item.name );
    if(result) {
        return false;
    } else {
        array.push(item);
        await browser.storage.local.set({[key]: array});
        return array;
    }
}

const local = {
    entries,
    add,
    addObject,
    remove,
    removeObject
};
export {local};