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Official Sentry SDK for browsers
{"version":3,"file":"fetch.js","sources":["../../../../src/transports/fetch.ts"],"sourcesContent":["import { clearCachedImplementation, getNativeImplementation } from '@sentry-internal/browser-utils';\nimport { createTransport } from '@sentry/core';\nimport type { Transport, TransportMakeRequestResponse, TransportRequest } from '@sentry/types';\nimport { rejectedSyncPromise } from '@sentry/utils';\nimport type { WINDOW } from '../helpers';\n\nimport type { BrowserTransportOptions } from './types';\n\n/**\n * Creates a Transport that uses the Fetch API to send events to Sentry.\n */\nexport function makeFetchTransport(\n options: BrowserTransportOptions,\n nativeFetch: typeof WINDOW.fetch | undefined = getNativeImplementation('fetch'),\n): Transport {\n let pendingBodySize = 0;\n let pendingCount = 0;\n\n function makeRequest(request: TransportRequest): PromiseLike {\n const requestSize = request.body.length;\n pendingBodySize += requestSize;\n pendingCount++;\n\n const requestOptions: RequestInit = {\n body: request.body,\n method: 'POST',\n referrerPolicy: 'origin',\n headers: options.headers,\n // Outgoing requests are usually cancelled when navigating to a different page, causing a \"TypeError: Failed to\n // fetch\" error and sending a \"network_error\" client-outcome - in Chrome, the request status shows \"(cancelled)\".\n // The `keepalive` flag keeps outgoing requests alive, even when switching pages. We want this since we're\n // frequently sending events right before the user is switching pages (eg. whenfinishing navigation transactions).\n // Gotchas:\n // - `keepalive` isn't supported by Firefox\n // - As per spec (https://fetch.spec.whatwg.org/#http-network-or-cache-fetch):\n // If the sum of contentLength and inflightKeepaliveBytes is greater than 64 kibibytes, then return a network error.\n // We will therefore only activate the flag when we're below that limit.\n // There is also a limit of requests that can be open at the same time, so we also limit this to 15\n // See https://github.com/getsentry/sentry-javascript/pull/7553 for details\n keepalive: pendingBodySize <= 60_000 && pendingCount < 15,\n ...options.fetchOptions,\n };\n\n if (!nativeFetch) {\n clearCachedImplementation('fetch');\n return rejectedSyncPromise('No fetch implementation available');\n }\n\n try {\n return nativeFetch(options.url, requestOptions).then(response => {\n pendingBodySize -= requestSize;\n pendingCount--;\n return {\n statusCode: response.status,\n headers: {\n 'x-sentry-rate-limits': response.headers.get('X-Sentry-Rate-Limits'),\n 'retry-after': response.headers.get('Retry-After'),\n },\n };\n });\n } catch (e) {\n clearCachedImplementation('fetch');\n pendingBodySize -= requestSize;\n pendingCount--;\n return rejectedSyncPromise(e);\n }\n }\n\n return createTransport(options, makeRequest);\n}\n"],"names":[],"mappings":";;;;AAQA;AACA;AACA;AACO,SAAS,kBAAkB;AAClC,EAAE,OAAO;AACT,EAAE,WAAW,GAAoC,uBAAuB,CAAC,OAAO,CAAC;AACjF,EAAa;AACb,EAAE,IAAI,eAAgB,GAAE,CAAC,CAAA;AACzB,EAAE,IAAI,YAAa,GAAE,CAAC,CAAA;AACtB;AACA,EAAE,SAAS,WAAW,CAAC,OAAO,EAA+D;AAC7F,IAAI,MAAM,WAAY,GAAE,OAAO,CAAC,IAAI,CAAC,MAAM,CAAA;AAC3C,IAAI,eAAA,IAAmB,WAAW,CAAA;AAClC,IAAI,YAAY,EAAE,CAAA;AAClB;AACA,IAAI,MAAM,cAAc,GAAgB;AACxC,MAAM,IAAI,EAAE,OAAO,CAAC,IAAI;AACxB,MAAM,MAAM,EAAE,MAAM;AACpB,MAAM,cAAc,EAAE,QAAQ;AAC9B,MAAM,OAAO,EAAE,OAAO,CAAC,OAAO;AAC9B;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAM,SAAS,EAAE,eAAgB,IAAG,SAAU,YAAA,GAAe,EAAE;AAC/D,MAAM,GAAG,OAAO,CAAC,YAAY;AAC7B,KAAK,CAAA;AACL;AACA,IAAI,IAAI,CAAC,WAAW,EAAE;AACtB,MAAM,yBAAyB,CAAC,OAAO,CAAC,CAAA;AACxC,MAAM,OAAO,mBAAmB,CAAC,mCAAmC,CAAC,CAAA;AACrE,KAAI;AACJ;AACA,IAAI,IAAI;AACR,MAAM,OAAO,WAAW,CAAC,OAAO,CAAC,GAAG,EAAE,cAAc,CAAC,CAAC,IAAI,CAAC,YAAY;AACvE,QAAQ,eAAA,IAAmB,WAAW,CAAA;AACtC,QAAQ,YAAY,EAAE,CAAA;AACtB,QAAQ,OAAO;AACf,UAAU,UAAU,EAAE,QAAQ,CAAC,MAAM;AACrC,UAAU,OAAO,EAAE;AACnB,YAAY,sBAAsB,EAAE,QAAQ,CAAC,OAAO,CAAC,GAAG,CAAC,sBAAsB,CAAC;AAChF,YAAY,aAAa,EAAE,QAAQ,CAAC,OAAO,CAAC,GAAG,CAAC,aAAa,CAAC;AAC9D,WAAW;AACX,SAAS,CAAA;AACT,OAAO,CAAC,CAAA;AACR,KAAM,CAAA,OAAO,CAAC,EAAE;AAChB,MAAM,yBAAyB,CAAC,OAAO,CAAC,CAAA;AACxC,MAAM,eAAA,IAAmB,WAAW,CAAA;AACpC,MAAM,YAAY,EAAE,CAAA;AACpB,MAAM,OAAO,mBAAmB,CAAC,CAAC,CAAC,CAAA;AACnC,KAAI;AACJ,GAAE;AACF;AACA,EAAE,OAAO,eAAe,CAAC,OAAO,EAAE,WAAW,CAAC,CAAA;AAC9C;;;;"}