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Utilities for all Sentry JavaScript SDKs
{"version":3,"file":"baggage.js","sources":["../../src/baggage.ts"],"sourcesContent":["import type { DynamicSamplingContext } from '@sentry/types';\n\nimport { DEBUG_BUILD } from './debug-build';\nimport { isString } from './is';\nimport { logger } from './logger';\n\nexport const BAGGAGE_HEADER_NAME = 'baggage';\n\nexport const SENTRY_BAGGAGE_KEY_PREFIX = 'sentry-';\n\nexport const SENTRY_BAGGAGE_KEY_PREFIX_REGEX = /^sentry-/;\n\n/**\n * Max length of a serialized baggage string\n *\n * https://www.w3.org/TR/baggage/#limits\n */\nexport const MAX_BAGGAGE_STRING_LENGTH = 8192;\n\n/**\n * Takes a baggage header and turns it into Dynamic Sampling Context, by extracting all the \"sentry-\" prefixed values\n * from it.\n *\n * @param baggageHeader A very bread definition of a baggage header as it might appear in various frameworks.\n * @returns The Dynamic Sampling Context that was found on `baggageHeader`, if there was any, `undefined` otherwise.\n */\nexport function baggageHeaderToDynamicSamplingContext(\n // Very liberal definition of what any incoming header might look like\n baggageHeader: string | string[] | number | null | undefined | boolean,\n): Partial | undefined {\n const baggageObject = parseBaggageHeader(baggageHeader);\n\n if (!baggageObject) {\n return undefined;\n }\n\n // Read all \"sentry-\" prefixed values out of the baggage object and put it onto a dynamic sampling context object.\n const dynamicSamplingContext = Object.entries(baggageObject).reduce>((acc, [key, value]) => {\n if (key.match(SENTRY_BAGGAGE_KEY_PREFIX_REGEX)) {\n const nonPrefixedKey = key.slice(SENTRY_BAGGAGE_KEY_PREFIX.length);\n acc[nonPrefixedKey] = value;\n }\n return acc;\n }, {});\n\n // Only return a dynamic sampling context object if there are keys in it.\n // A keyless object means there were no sentry values on the header, which means that there is no DSC.\n if (Object.keys(dynamicSamplingContext).length > 0) {\n return dynamicSamplingContext as Partial;\n } else {\n return undefined;\n }\n}\n\n/**\n * Turns a Dynamic Sampling Object into a baggage header by prefixing all the keys on the object with \"sentry-\".\n *\n * @param dynamicSamplingContext The Dynamic Sampling Context to turn into a header. For convenience and compatibility\n * with the `getDynamicSamplingContext` method on the Transaction class ,this argument can also be `undefined`. If it is\n * `undefined` the function will return `undefined`.\n * @returns a baggage header, created from `dynamicSamplingContext`, or `undefined` either if `dynamicSamplingContext`\n * was `undefined`, or if `dynamicSamplingContext` didn't contain any values.\n */\nexport function dynamicSamplingContextToSentryBaggageHeader(\n // this also takes undefined for convenience and bundle size in other places\n dynamicSamplingContext?: Partial,\n): string | undefined {\n if (!dynamicSamplingContext) {\n return undefined;\n }\n\n // Prefix all DSC keys with \"sentry-\" and put them into a new object\n const sentryPrefixedDSC = Object.entries(dynamicSamplingContext).reduce>(\n (acc, [dscKey, dscValue]) => {\n if (dscValue) {\n acc[`${SENTRY_BAGGAGE_KEY_PREFIX}${dscKey}`] = dscValue;\n }\n return acc;\n },\n {},\n );\n\n return objectToBaggageHeader(sentryPrefixedDSC);\n}\n\n/**\n * Take a baggage header and parse it into an object.\n */\nexport function parseBaggageHeader(\n baggageHeader: string | string[] | number | null | undefined | boolean,\n): Record | undefined {\n if (!baggageHeader || (!isString(baggageHeader) && !Array.isArray(baggageHeader))) {\n return undefined;\n }\n\n if (Array.isArray(baggageHeader)) {\n // Combine all baggage headers into one object containing the baggage values so we can later read the Sentry-DSC-values from it\n return baggageHeader.reduce>((acc, curr) => {\n const currBaggageObject = baggageHeaderToObject(curr);\n Object.entries(currBaggageObject).forEach(([key, value]) => {\n acc[key] = value;\n });\n return acc;\n }, {});\n }\n\n return baggageHeaderToObject(baggageHeader);\n}\n\n/**\n * Will parse a baggage header, which is a simple key-value map, into a flat object.\n *\n * @param baggageHeader The baggage header to parse.\n * @returns a flat object containing all the key-value pairs from `baggageHeader`.\n */\nfunction baggageHeaderToObject(baggageHeader: string): Record {\n return baggageHeader\n .split(',')\n .map(baggageEntry => baggageEntry.split('=').map(keyOrValue => decodeURIComponent(keyOrValue.trim())))\n .reduce>((acc, [key, value]) => {\n if (key && value) {\n acc[key] = value;\n }\n return acc;\n }, {});\n}\n\n/**\n * Turns a flat object (key-value pairs) into a baggage header, which is also just key-value pairs.\n *\n * @param object The object to turn into a baggage header.\n * @returns a baggage header string, or `undefined` if the object didn't have any values, since an empty baggage header\n * is not spec compliant.\n */\nfunction objectToBaggageHeader(object: Record): string | undefined {\n if (Object.keys(object).length === 0) {\n // An empty baggage header is not spec compliant: We return undefined.\n return undefined;\n }\n\n return Object.entries(object).reduce((baggageHeader, [objectKey, objectValue], currentIndex) => {\n const baggageEntry = `${encodeURIComponent(objectKey)}=${encodeURIComponent(objectValue)}`;\n const newBaggageHeader = currentIndex === 0 ? baggageEntry : `${baggageHeader},${baggageEntry}`;\n if (newBaggageHeader.length > MAX_BAGGAGE_STRING_LENGTH) {\n DEBUG_BUILD &&\n logger.warn(\n `Not adding key: ${objectKey} with val: ${objectValue} to baggage header due to exceeding baggage size limits.`,\n );\n return baggageHeader;\n } else {\n return newBaggageHeader;\n }\n }, '');\n}\n"],"names":[],"mappings":";;;;AAMO,MAAM,mBAAoB,GAAE,UAAS;AAC5C;AACO,MAAM,yBAA0B,GAAE,UAAS;AAClD;AACO,MAAM,+BAAgC,GAAE,WAAU;AACzD;AACA;AACA;AACA;AACA;AACA;AACO,MAAM,yBAA0B,GAAE,KAAI;AAC7C;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,SAAS,qCAAqC;AACrD;AACA,EAAE,aAAa;AACf,EAA+C;AAC/C,EAAE,MAAM,aAAc,GAAE,kBAAkB,CAAC,aAAa,CAAC,CAAA;AACzD;AACA,EAAE,IAAI,CAAC,aAAa,EAAE;AACtB,IAAI,OAAO,SAAS,CAAA;AACpB,GAAE;AACF;AACA;AACA,EAAE,MAAM,yBAAyB,MAAM,CAAC,OAAO,CAAC,aAAa,CAAC,CAAC,MAAM,CAAyB,CAAC,GAAG,EAAE,CAAC,GAAG,EAAE,KAAK,CAAC,KAAK;AACrH,IAAI,IAAI,GAAG,CAAC,KAAK,CAAC,+BAA+B,CAAC,EAAE;AACpD,MAAM,MAAM,cAAe,GAAE,GAAG,CAAC,KAAK,CAAC,yBAAyB,CAAC,MAAM,CAAC,CAAA;AACxE,MAAM,GAAG,CAAC,cAAc,CAAA,GAAI,KAAK,CAAA;AACjC,KAAI;AACJ,IAAI,OAAO,GAAG,CAAA;AACd,GAAG,EAAE,EAAE,CAAC,CAAA;AACR;AACA;AACA;AACA,EAAE,IAAI,MAAM,CAAC,IAAI,CAAC,sBAAsB,CAAC,CAAC,MAAA,GAAS,CAAC,EAAE;AACtD,IAAI,OAAO,sBAAuB,EAAA;AAClC,SAAS;AACT,IAAI,OAAO,SAAS,CAAA;AACpB,GAAE;AACF,CAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,SAAS,2CAA2C;AAC3D;AACA,EAAE,sBAAsB;AACxB,EAAsB;AACtB,EAAE,IAAI,CAAC,sBAAsB,EAAE;AAC/B,IAAI,OAAO,SAAS,CAAA;AACpB,GAAE;AACF;AACA;AACA,EAAE,MAAM,iBAAkB,GAAE,MAAM,CAAC,OAAO,CAAC,sBAAsB,CAAC,CAAC,MAAM;AACzE,IAAI,CAAC,GAAG,EAAE,CAAC,MAAM,EAAE,QAAQ,CAAC,KAAK;AACjC,MAAM,IAAI,QAAQ,EAAE;AACpB,QAAQ,GAAG,CAAC,CAAC,EAAA,yBAAA,CAAA,EAAA,MAAA,CAAA,CAAA,CAAA,GAAA,QAAA,CAAA;AACA,OAAA;AACA,MAAA,OAAA,GAAA,CAAA;AACA,KAAA;AACA,IAAA,EAAA;AACA,GAAA,CAAA;AACA;AACA,EAAA,OAAA,qBAAA,CAAA,iBAAA,CAAA,CAAA;AACA,CAAA;AACA;AACA;AACA;AACA;AACA,SAAA,kBAAA;AACA,EAAA,aAAA;AACA,EAAA;AACA,EAAA,IAAA,CAAA,aAAA,KAAA,CAAA,QAAA,CAAA,aAAA,CAAA,IAAA,CAAA,KAAA,CAAA,OAAA,CAAA,aAAA,CAAA,CAAA,EAAA;AACA,IAAA,OAAA,SAAA,CAAA;AACA,GAAA;AACA;AACA,EAAA,IAAA,KAAA,CAAA,OAAA,CAAA,aAAA,CAAA,EAAA;AACA;AACA,IAAA,OAAA,aAAA,CAAA,MAAA,CAAA,CAAA,GAAA,EAAA,IAAA,KAAA;AACA,MAAA,MAAA,iBAAA,GAAA,qBAAA,CAAA,IAAA,CAAA,CAAA;AACA,MAAA,MAAA,CAAA,OAAA,CAAA,iBAAA,CAAA,CAAA,OAAA,CAAA,CAAA,CAAA,GAAA,EAAA,KAAA,CAAA,KAAA;AACA,QAAA,GAAA,CAAA,GAAA,CAAA,GAAA,KAAA,CAAA;AACA,OAAA,CAAA,CAAA;AACA,MAAA,OAAA,GAAA,CAAA;AACA,KAAA,EAAA,EAAA,CAAA,CAAA;AACA,GAAA;AACA;AACA,EAAA,OAAA,qBAAA,CAAA,aAAA,CAAA,CAAA;AACA,CAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,SAAA,qBAAA,CAAA,aAAA,EAAA;AACA,EAAA,OAAA,aAAA;AACA,KAAA,KAAA,CAAA,GAAA,CAAA;AACA,KAAA,GAAA,CAAA,YAAA,IAAA,YAAA,CAAA,KAAA,CAAA,GAAA,CAAA,CAAA,GAAA,CAAA,UAAA,IAAA,kBAAA,CAAA,UAAA,CAAA,IAAA,EAAA,CAAA,CAAA,CAAA;AACA,KAAA,MAAA,CAAA,CAAA,GAAA,EAAA,CAAA,GAAA,EAAA,KAAA,CAAA,KAAA;AACA,MAAA,IAAA,GAAA,IAAA,KAAA,EAAA;AACA,QAAA,GAAA,CAAA,GAAA,CAAA,GAAA,KAAA,CAAA;AACA,OAAA;AACA,MAAA,OAAA,GAAA,CAAA;AACA,KAAA,EAAA,EAAA,CAAA,CAAA;AACA,CAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,SAAA,qBAAA,CAAA,MAAA,EAAA;AACA,EAAA,IAAA,MAAA,CAAA,IAAA,CAAA,MAAA,CAAA,CAAA,MAAA,KAAA,CAAA,EAAA;AACA;AACA,IAAA,OAAA,SAAA,CAAA;AACA,GAAA;AACA;AACA,EAAA,OAAA,MAAA,CAAA,OAAA,CAAA,MAAA,CAAA,CAAA,MAAA,CAAA,CAAA,aAAA,EAAA,CAAA,SAAA,EAAA,WAAA,CAAA,EAAA,YAAA,KAAA;AACA,IAAA,MAAA,YAAA,GAAA,CAAA,EAAA,kBAAA,CAAA,SAAA,CAAA,CAAA,CAAA,EAAA,kBAAA,CAAA,WAAA,CAAA,CAAA,CAAA,CAAA;AACA,IAAA,MAAA,gBAAA,GAAA,YAAA,KAAA,CAAA,GAAA,YAAA,GAAA,CAAA,EAAA,aAAA,CAAA,CAAA,EAAA,YAAA,CAAA,CAAA,CAAA;AACA,IAAA,IAAA,gBAAA,CAAA,MAAA,GAAA,yBAAA,EAAA;AACA,MAAA,WAAA;AACA,QAAA,MAAA,CAAA,IAAA;AACA,UAAA,CAAA,gBAAA,EAAA,SAAA,CAAA,WAAA,EAAA,WAAA,CAAA,wDAAA,CAAA;AACA,SAAA,CAAA;AACA,MAAA,OAAA,aAAA,CAAA;AACA,KAAA,MAAA;AACA,MAAA,OAAA,gBAAA,CAAA;AACA,KAAA;AACA,GAAA,EAAA,EAAA,CAAA,CAAA;AACA;;;;"}