@sentry/core/build/types/fetch.d.ts

Base implementation for all Sentry JavaScript SDKs

import type { HandlerDataFetch } from './types-hoist/instrument';
import type { Span, SpanOrigin } from './types-hoist/span';
type PolymorphicRequestHeaders = Record<string, string | undefined> | Array<[string, string]> | {
    append: (key: string, value: string) => void;
    get: (key: string) => string | null | undefined;
};
/**
 * Create and track fetch request spans for usage in combination with `addFetchInstrumentationHandler`.
 *
 * @returns Span if a span was created, otherwise void.
 */
export declare function instrumentFetchRequest(handlerData: HandlerDataFetch, shouldCreateSpan: (url: string) => boolean, shouldAttachHeaders: (url: string) => boolean, spans: Record<string, Span>, spanOrigin?: SpanOrigin): Span | undefined;
/**
 * Adds sentry-trace and baggage headers to the various forms of fetch headers.
 * exported only for testing purposes
 *
 * When we determine if we should add a baggage header, there are 3 cases:
 * 1. No previous baggage header -> add baggage
 * 2. Previous baggage header has no sentry baggage values -> add our baggage
 * 3. Previous baggage header has sentry baggage values -> do nothing (might have been added manually by users)
 */
export declare function _addTracingHeadersToFetchRequest(request: string | Request, fetchOptionsObj: {
    headers?: {
        [key: string]: string[] | string | undefined;
    } | PolymorphicRequestHeaders;
}, span?: Span): PolymorphicRequestHeaders | undefined;
export {};
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