waffle/frontend/src/storage.js

const defaults = {
    apiBase: `${window.location.origin}/api/v1`,
    gatewayBase: `${location.protocol === "https:" ? "wss" : "ws"}://${location.host}/gateway`,
    doAnimations: true,
    token: "",
    "loggingSink:Gateway": false,
    "loggingSink:Store": false
};
const store = new Map(Object.entries(defaults));
const persistentProvider = localStorage;

export function setItem(key, value) {
    store.set(key, value);
    if (persistentProvider) {
        persistentProvider.setItem(key, typeof value === "string" ? value : JSON.stringify(value));
    }
}

export function getItem(key) {
    return store.get(key);
}

export function removeItem(key) {
    store.delete(key);
    if (persistentProvider) {
        persistentProvider.removeItem(key);
    }
}

export function init() {
    if (!persistentProvider)
        return;

    store.forEach((defaultValue, key) => {
        const override = persistentProvider.getItem(key);
        if (override !== null) {
            try {
                store.set(key, typeof defaultValue === "string" ? override : JSON.parse(override));
            } catch (o_O) {
                console.warn("[Storage]", `init(): An exception was thrown while parsing the value of key "${key}" from _persistentProvider`, o_O);
            }
        }
    });
}

export function apiRoute(fragment) {
    return `${getItem("apiBase")}/${fragment}`
}