| 1 | export const getResolvedSigningRegion = (hostname, { signingRegion, regionRegex, useFipsEndpoint }) => {
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| 2 | if (signingRegion) {
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| 3 | return signingRegion;
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| 4 | }
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| 5 | else if (useFipsEndpoint) {
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| 6 | const regionRegexJs = regionRegex.replace("\\\\", "\\").replace(/^\^/g, "\\.").replace(/\$$/g, "\\.");
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| 7 | const regionRegexmatchArray = hostname.match(regionRegexJs);
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| 8 | if (regionRegexmatchArray) {
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| 9 | return regionRegexmatchArray[0].slice(1, -1);
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| 10 | }
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| 11 | }
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| 12 | };
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