libp2p/dist/src/connection-manager/address-sorter.js

JavaScript implementation of libp2p, a modular peer to peer network stack

import { reliableTransportsFirst, loopbackAddressLast, publicAddressesFirst, circuitRelayAddressesLast } from '@libp2p/utils';
/**
 * Compare function for array.sort() that moves certified addresses to the start
 * of the array.
 */
export function certifiedAddressesFirst(a, b) {
    if (a.isCertified && !b.isCertified) {
        return -1;
    }
    else if (!a.isCertified && b.isCertified) {
        return 1;
    }
    return 0;
}
export function defaultAddressSorter(addresses) {
    return addresses.sort((a, b) => loopbackAddressLast(a.multiaddr, b.multiaddr) ||
        publicAddressesFirst(a.multiaddr, b.multiaddr) ||
        circuitRelayAddressesLast(a.multiaddr, b.multiaddr) ||
        certifiedAddressesFirst(a, b) ||
        reliableTransportsFirst(a.multiaddr, b.multiaddr));
}
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