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{"version":3,"file":"xhr.js","sources":["../../../src/instrument/xhr.ts"],"sourcesContent":["// TODO(v8): Move everything in this file into the browser package. Nothing here is generic and we run risk of leaking browser types into non-browser packages.\n\n/* eslint-disable @typescript-eslint/no-explicit-any */\n/* eslint-disable @typescript-eslint/ban-types */\nimport type { HandlerDataXhr, SentryWrappedXMLHttpRequest, WrappedFunction } from '@sentry/types';\n\nimport { isString } from '../is';\nimport { fill } from '../object';\nimport { GLOBAL_OBJ } from '../worldwide';\nimport { addHandler, maybeInstrument, triggerHandlers } from './_handlers';\n\nconst WINDOW = GLOBAL_OBJ as unknown as Window;\n\nexport const SENTRY_XHR_DATA_KEY = '__sentry_xhr_v3__';\n\n/**\n * Add an instrumentation handler for when an XHR request happens.\n * The handler function is called once when the request starts and once when it ends,\n * which can be identified by checking if it has an `endTimestamp`.\n *\n * Use at your own risk, this might break without changelog notice, only used internally.\n * @hidden\n */\nexport function addXhrInstrumentationHandler(handler: (data: HandlerDataXhr) => void): void {\n const type = 'xhr';\n addHandler(type, handler);\n maybeInstrument(type, instrumentXHR);\n}\n\n/** Exported only for tests. */\nexport function instrumentXHR(): void {\n // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access\n if (!(WINDOW as any).XMLHttpRequest) {\n return;\n }\n\n const xhrproto = XMLHttpRequest.prototype;\n\n fill(xhrproto, 'open', function (originalOpen: () => void): () => void {\n return function (this: XMLHttpRequest & SentryWrappedXMLHttpRequest, ...args: any[]): void {\n const startTimestamp = Date.now();\n\n // open() should always be called with two or more arguments\n // But to be on the safe side, we actually validate this and bail out if we don't have a method & url\n const method = isString(args[0]) ? args[0].toUpperCase() : undefined;\n const url = parseUrl(args[1]);\n\n if (!method || !url) {\n return originalOpen.apply(this, args);\n }\n\n this[SENTRY_XHR_DATA_KEY] = {\n method,\n url,\n request_headers: {},\n };\n\n // if Sentry key appears in URL, don't capture it as a request\n if (method === 'POST' && url.match(/sentry_key/)) {\n this.__sentry_own_request__ = true;\n }\n\n const onreadystatechangeHandler: () => void = () => {\n // For whatever reason, this is not the same instance here as from the outer method\n const xhrInfo = this[SENTRY_XHR_DATA_KEY];\n\n if (!xhrInfo) {\n return;\n }\n\n if (this.readyState === 4) {\n try {\n // touching statusCode in some platforms throws\n // an exception\n xhrInfo.status_code = this.status;\n } catch (e) {\n /* do nothing */\n }\n\n const handlerData: HandlerDataXhr = {\n args: [method, url],\n endTimestamp: Date.now(),\n startTimestamp,\n xhr: this,\n };\n triggerHandlers('xhr', handlerData);\n }\n };\n\n if ('onreadystatechange' in this && typeof this.onreadystatechange === 'function') {\n fill(this, 'onreadystatechange', function (original: WrappedFunction): Function {\n return function (this: SentryWrappedXMLHttpRequest, ...readyStateArgs: any[]): void {\n onreadystatechangeHandler();\n return original.apply(this, readyStateArgs);\n };\n });\n } else {\n this.addEventListener('readystatechange', onreadystatechangeHandler);\n }\n\n // Intercepting `setRequestHeader` to access the request headers of XHR instance.\n // This will only work for user/library defined headers, not for the default/browser-assigned headers.\n // Request cookies are also unavailable for XHR, as `Cookie` header can't be defined by `setRequestHeader`.\n fill(this, 'setR
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