getRegionInfo.js•1.63 kB
import { getHostnameFromVariants } from "./getHostnameFromVariants";
import { getResolvedHostname } from "./getResolvedHostname";
import { getResolvedPartition } from "./getResolvedPartition";
import { getResolvedSigningRegion } from "./getResolvedSigningRegion";
export const getRegionInfo = (region, { useFipsEndpoint = false, useDualstackEndpoint = false, signingService, regionHash, partitionHash, }) => {
const partition = getResolvedPartition(region, { partitionHash });
const resolvedRegion = region in regionHash ? region : partitionHash[partition]?.endpoint ?? region;
const hostnameOptions = { useFipsEndpoint, useDualstackEndpoint };
const regionHostname = getHostnameFromVariants(regionHash[resolvedRegion]?.variants, hostnameOptions);
const partitionHostname = getHostnameFromVariants(partitionHash[partition]?.variants, hostnameOptions);
const hostname = getResolvedHostname(resolvedRegion, { regionHostname, partitionHostname });
if (hostname === undefined) {
throw new Error(`Endpoint resolution failed for: ${{ resolvedRegion, useFipsEndpoint, useDualstackEndpoint }}`);
}
const signingRegion = getResolvedSigningRegion(hostname, {
signingRegion: regionHash[resolvedRegion]?.signingRegion,
regionRegex: partitionHash[partition].regionRegex,
useFipsEndpoint,
});
return {
partition,
signingService,
hostname,
...(signingRegion && { signingRegion }),
...(regionHash[resolvedRegion]?.signingService && {
signingService: regionHash[resolvedRegion].signingService,
}),
};
};