@broxus/tvm-connect/lib/esm/hooks/useRecentConnectionMeta.js

Nekoton-compatible wallets connector.

import { debug, isBrowser, storage } from '@broxus/js-utils';
import * as React from 'react';
import { TVM_RECENT_CONNECTION } from '../constants';
import { useTvmWalletProviders } from '../context';
import { ConnectionType } from '../types';
function isRecentConnectionMeta(value) {
    const meta = { providerId: value.providerId, type: value.type };
    return Boolean(meta.type && ConnectionType[meta.type] && !!meta.providerId);
}
export function storeRecentConnectionMeta(meta, storageKey = TVM_RECENT_CONNECTION) {
    if (!meta) {
        storage.remove(storageKey);
        return;
    }
    debug('Store TVM recent connection', meta);
    storage.set(storageKey, JSON.stringify(meta));
}
export function getRecentConnectionMeta(storageKey = TVM_RECENT_CONNECTION) {
    const value = storage.get(storageKey);
    if (!value) {
        return undefined;
    }
    try {
        const json = JSON.parse(value);
        if (isRecentConnectionMeta(json)) {
            return json;
        }
    }
    catch (e) {
        debug(e);
    }
    storeRecentConnectionMeta(undefined, storageKey);
    return undefined;
}
export function useRecentConnectionMeta() {
    const walletProviders = useTvmWalletProviders();
    const storageKey = walletProviders.recentMetaStorageKey ?? TVM_RECENT_CONNECTION;
    const [recentMeta, setRecentMeta] = React.useState(getRecentConnectionMeta(storageKey));
    const setMeta = (meta) => {
        storeRecentConnectionMeta(meta, storageKey);
    };
    React.useEffect(() => {
        const onStorage = (event) => {
            if (event.key === storageKey && event.newValue) {
                const json = JSON.parse(event.newValue);
                if (isRecentConnectionMeta(json)) {
                    setRecentMeta(json);
                }
            }
        };
        if (isBrowser()) {
            window.addEventListener('storage', onStorage);
        }
        return () => {
            if (isBrowser()) {
                window.removeEventListener('storage', onStorage);
            }
        };
    }, [storageKey]);
    return [recentMeta, setMeta];
}