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headerUtil.ts
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headerUtil.ts
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import { HeaderBag } from "@aws-sdk/types";
export function hasHeader(soughtHeader: string, headers: HeaderBag): boolean {
soughtHeader = soughtHeader.toLowerCase();
for (const headerName of Object.keys(headers)) {
if (soughtHeader === headerName.toLowerCase()) {
return true;
}
}
return false;
}
/* Get the value of one request header, ignore the case. Return string if header is in the headers, else return undefined */
export function getHeaderValue(soughtHeader: string, headers: HeaderBag): string | undefined {
soughtHeader = soughtHeader.toLowerCase();
for (const headerName of Object.keys(headers)) {
if (soughtHeader === headerName.toLowerCase()) {
return headers[headerName];
}
}
return undefined;
}
/* Delete the one request header, ignore the case. Do nothing if it's not there */
export function deleteHeader(soughtHeader: string, headers: HeaderBag) {
soughtHeader = soughtHeader.toLowerCase();
for (const headerName of Object.keys(headers)) {
if (soughtHeader === headerName.toLowerCase()) {
delete headers[headerName];
}
}
}