20 lines
916 B
TypeScript
20 lines
916 B
TypeScript
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type HeaderValue = string | undefined | null;
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export type HeadersLike = Headers | readonly HeaderValue[][] | Record<string, HeaderValue | readonly HeaderValue[]> | undefined | null | NullableHeaders;
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declare const brand_privateNullableHeaders: unique symbol;
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/**
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* @internal
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* Users can pass explicit nulls to unset default headers. When we parse them
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* into a standard headers type we need to preserve that information.
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*/
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export type NullableHeaders = {
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/** Brand check, prevent users from creating a NullableHeaders. */
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[brand_privateNullableHeaders]: true;
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/** Parsed headers. */
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values: Headers;
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/** Set of lowercase header names explicitly set to null. */
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nulls: Set<string>;
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};
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export declare const buildHeaders: (newHeaders: HeadersLike[]) => NullableHeaders;
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export declare const isEmptyHeaders: (headers: HeadersLike) => boolean;
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export {};
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//# sourceMappingURL=headers.d.ts.map
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