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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | 4x 3x 7x 7x 7x 2x 5x 1x 1x 2x 1x 1x 1x | import { Logger } from '@metamask/logger';
/**
* Utilities for handling relay query strings in kernel workers.
*/
const logger = new Logger('relay-query-string');
/**
* Creates a query string parameter for relay addresses.
*
* @param relays - Array of relay addresses (e.g., libp2p multiaddrs)
* @returns Encoded query string parameter for relays
*/
export function createRelayQueryString(relays: string[]): string {
return `relays=${encodeURIComponent(JSON.stringify(relays))}`;
}
/**
* Parses relay addresses from a query string.
*
* @param queryString - The query string (e.g., from window.location.search)
* @returns Array of relay addresses, or empty array if parsing fails
*/
export function parseRelayQueryString(queryString: string): string[] {
try {
const relaysParam = queryString.split('relays=')[1];
if (!relaysParam) {
return [];
}
return JSON.parse(decodeURIComponent(relaysParam.split('&')[0] ?? '[]'));
} catch (error) {
logger.error('Error parsing relays from query string:', error);
return [];
}
}
/**
* Gets relay addresses from the current global location's query string.
* This is intended to be used within a worker context.
*
* @returns Array of relay addresses from the current location
*/
export function getRelaysFromCurrentLocation(): string[] {
if (typeof globalThis.location === 'undefined') {
logger.warn('No location object available in current context');
return [];
}
return parseRelayQueryString(globalThis.location.search);
}
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