@sentry/core/esm/tracing/transaction.js.map

Base implementation for all Sentry JavaScript SDKs

{"version":3,"file":"transaction.js","sources":["../../../src/tracing/transaction.ts"],"sourcesContent":["import type {\n  Context,\n  Contexts,\n  DynamicSamplingContext,\n  Event,\n  Measurements,\n  MeasurementUnit,\n  Transaction as TransactionInterface,\n  TransactionContext,\n  TransactionMetadata,\n} from '@sentry/types';\nimport { dropUndefinedKeys, logger } from '@sentry/utils';\n\nimport { DEFAULT_ENVIRONMENT } from '../constants';\nimport type { Hub } from '../hub';\nimport { getCurrentHub } from '../hub';\nimport { Span as SpanClass, SpanRecorder } from './span';\n\n/** JSDoc */\nexport class Transaction extends SpanClass implements TransactionInterface {\n  public metadata: TransactionMetadata;\n\n  /**\n   * The reference to the current hub.\n   */\n  public readonly _hub: Hub;\n\n  private _name: string;\n\n  private _measurements: Measurements = {};\n\n  private _contexts: Contexts = {};\n\n  private _trimEnd?: boolean;\n\n  private _frozenDynamicSamplingContext: Readonly<Partial<DynamicSamplingContext>> | undefined = undefined;\n\n  /**\n   * This constructor should never be called manually. Those instrumenting tracing should use\n   * `Sentry.startTransaction()`, and internal methods should use `hub.startTransaction()`.\n   * @internal\n   * @hideconstructor\n   * @hidden\n   */\n  public constructor(transactionContext: TransactionContext, hub?: Hub) {\n    super(transactionContext);\n\n    this._hub = hub || getCurrentHub();\n\n    this._name = transactionContext.name || '';\n\n    this.metadata = {\n      source: 'custom',\n      ...transactionContext.metadata,\n      spanMetadata: {},\n    };\n\n    this._trimEnd = transactionContext.trimEnd;\n\n    // this is because transactions are also spans, and spans have a transaction pointer\n    this.transaction = this;\n\n    // If Dynamic Sampling Context is provided during the creation of the transaction, we freeze it as it usually means\n    // there is incoming Dynamic Sampling Context. (Either through an incoming request, a baggage meta-tag, or other means)\n    const incomingDynamicSamplingContext = this.metadata.dynamicSamplingContext;\n    if (incomingDynamicSamplingContext) {\n      // We shallow copy this in case anything writes to the original reference of the passed in `dynamicSamplingContext`\n      this._frozenDynamicSamplingContext = { ...incomingDynamicSamplingContext };\n    }\n  }\n\n  /** Getter for `name` property */\n  public get name(): string {\n    return this._name;\n  }\n\n  /** Setter for `name` property, which also sets `source` as custom */\n  public set name(newName: string) {\n    this.setName(newName);\n  }\n\n  /**\n   * JSDoc\n   */\n  public setName(name: string, source: TransactionMetadata['source'] = 'custom'): void {\n    this._name = name;\n    this.metadata.source = source;\n  }\n\n  /**\n   * Attaches SpanRecorder to the span itself\n   * @param maxlen maximum number of spans that can be recorded\n   */\n  public initSpanRecorder(maxlen: number = 1000): void {\n    if (!this.spanRecorder) {\n      this.spanRecorder = new SpanRecorder(maxlen);\n    }\n    this.spanRecorder.add(this);\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public setContext(key: string, context: Context | null): void {\n    if (context === null) {\n      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n      delete this._contexts[key];\n    } else {\n      this._contexts[key] = context;\n    }\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public setMeasurement(name: string, value: number, unit: MeasurementUnit = ''): void {\n    this._measurements[name] = { value, unit };\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public setMetadata(newMetadata: Partial<TransactionMetadata>): void {\n    this.metadata = { ...this.metadata, ...newMetadata };\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public finish(endTimestamp?: number): string | undefined {\n    // This transaction is already finished, so we should not flush it again.\n    if (this.endTimestamp !== undefined) {\n      return undefined;\n    }\n\n    if (!this.name) {\n      __DEBUG_BUILD__ && logger.warn('Transaction has no name, falling back to `<unlabeled transaction>`.');\n      this.name = '<unlabeled transaction>';\n    }\n\n    // just sets the end timestamp\n    super.finish(endTimestamp);\n\n    const client = this._hub.getClient();\n    if (client && client.emit) {\n      client.emit('finishTransaction', this);\n    }\n\n    if (this.sampled !== true) {\n      // At this point if `sampled !== true` we want to discard the transaction.\n      __DEBUG_BUILD__ && logger.log('[Tracing] Discarding transaction because its trace was not chosen to be sampled.');\n\n      if (client) {\n        client.recordDroppedEvent('sample_rate', 'transaction');\n      }\n\n      return undefined;\n    }\n\n    const finishedSpans = this.spanRecorder ? this.spanRecorder.spans.filter(s => s !== this && s.endTimestamp) : [];\n\n    if (this._trimEnd && finishedSpans.length > 0) {\n      this.endTimestamp = finishedSpans.reduce((prev: SpanClass, current: SpanClass) => {\n        if (prev.endTimestamp && current.endTimestamp) {\n          return prev.endTimestamp > current.endTimestamp ? prev : current;\n        }\n        return prev;\n      }).endTimestamp;\n    }\n\n    const metadata = this.metadata;\n\n    const transaction: Event = {\n      contexts: {\n        ...this._contexts,\n        // We don't want to override trace context\n        trace: this.getTraceContext(),\n      },\n      spans: finishedSpans,\n      start_timestamp: this.startTimestamp,\n      tags: this.tags,\n      timestamp: this.endTimestamp,\n      transaction: this.name,\n      type: 'transaction',\n      sdkProcessingMetadata: {\n        ...metadata,\n        dynamicSamplingContext: this.getDynamicSamplingContext(),\n      },\n      ...(metadata.source && {\n        transaction_info: {\n          source: metadata.source,\n        },\n      }),\n    };\n\n    const hasMeasurements = Object.keys(this._measurements).length > 0;\n\n    if (hasMeasurements) {\n      __DEBUG_BUILD__ &&\n        logger.log(\n          '[Measurements] Adding measurements to transaction',\n          JSON.stringify(this._measurements, undefined, 2),\n        );\n      transaction.measurements = this._measurements;\n    }\n\n    __DEBUG_BUILD__ && logger.log(`[Tracing] Finishing ${this.op} transaction: ${this.name}.`);\n\n    return this._hub.captureEvent(transaction);\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public toContext(): TransactionContext {\n    const spanContext = super.toContext();\n\n    return dropUndefinedKeys({\n      ...spanContext,\n      name: this.name,\n      trimEnd: this._trimEnd,\n    });\n  }\n\n  /**\n   * @inheritDoc\n   */\n  public updateWithContext(transactionContext: TransactionContext): this {\n    super.updateWithContext(transactionContext);\n\n    this.name = transactionContext.name || '';\n\n    this._trimEnd = transactionContext.trimEnd;\n\n    return this;\n  }\n\n  /**\n   * @inheritdoc\n   *\n   * @experimental\n   */\n  public getDynamicSamplingContext(): Readonly<Partial<DynamicSamplingContext>> {\n    if (this._frozenDynamicSamplingContext) {\n      return this._frozenDynamicSamplingContext;\n    }\n\n    const hub: Hub = this._hub || getCurrentHub();\n    const client = hub && hub.getClient();\n\n    if (!client) return {};\n\n    const { environment, release } = client.getOptions() || {};\n    const { publicKey: public_key } = client.getDsn() || {};\n\n    const maybeSampleRate = this.metadata.sampleRate;\n    const sample_rate = maybeSampleRate !== undefined ? maybeSampleRate.toString() : undefined;\n\n    const scope = hub.getScope();\n    const { segment: user_segment } = (scope && scope.getUser()) || {};\n\n    const source = this.metadata.source;\n\n    // We don't want to have a transaction name in the DSC if the source is \"url\" because URLs might contain PII\n    const transaction = source && source !== 'url' ? this.name : undefined;\n\n    const dsc = dropUndefinedKeys({\n      environment: environment || DEFAULT_ENVIRONMENT,\n      release,\n      transaction,\n      user_segment,\n      public_key,\n      trace_id: this.traceId,\n      sample_rate,\n    });\n\n    // Uncomment if we want to make DSC immutable\n    // this._frozenDynamicSamplingContext = dsc;\n\n    return dsc;\n  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