16 lines
643 B
JavaScript
16 lines
643 B
JavaScript
import { isValidHostLabel } from "@smithy/util-endpoints";
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const validRegions = new Set();
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export const checkRegion = (region, check = isValidHostLabel) => {
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if (!validRegions.has(region) && !check(region)) {
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if (region === "*") {
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console.warn(`@smithy/config-resolver WARN - Please use the caller region instead of "*". See "sigv4a" in https://github.com/aws/aws-sdk-js-v3/blob/main/supplemental-docs/CLIENTS.md.`);
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}
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else {
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throw new Error(`Region not accepted: region="${region}" is not a valid hostname component.`);
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}
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}
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else {
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validRegions.add(region);
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}
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};
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