getaddress-autocomplete-modal/lib/AddressStorage.js

GetAddress.io - Autocomplete modal plug-in

export default class Storage {
    saveAddress(id, address) {
        const key = "getaddress_saved_addresses";
        let savedAddresses = localStorage.getItem(key);
        if (!savedAddresses) {
            const map = new Map();
            const storedAddress = new StoredAddress(address, new Date().getTime());
            map.set(id, storedAddress);
            const jsonMap = JSON.stringify([...map]);
            localStorage.setItem(key, jsonMap);
        }
        else {
            const map = new Map(JSON.parse(savedAddresses));
            if (!map.get(id)) {
                if (map.size >= 6) {
                    const storedEntries = [...map.entries()].sort((a, b) => {
                        const address1 = a[1];
                        const address2 = b[1];
                        return address1.timestamp - address2.timestamp;
                    });
                    map.delete(storedEntries[0][0]);
                }
                const storedAddress = new StoredAddress(address, new Date().getTime());
                map.set(id, storedAddress);
                const jsonMap = JSON.stringify([...map]);
                localStorage.setItem(key, jsonMap);
            }
        }
    }
}
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