Na}{

File Content: tracer.js.map

{"version":3,"sources":["../../../../src/server/lib/trace/tracer.ts"],"sourcesContent":["import type { FetchEventResult } from '../../web/types'\nimport type { TextMapSetter } from '@opentelemetry/api'\nimport type { SpanTypes } from './constants'\nimport { LogSpanAllowList, NextVanillaSpanAllowlist } from './constants'\n\nimport type {\n  ContextAPI,\n  Span,\n  SpanOptions,\n  Tracer,\n  AttributeValue,\n  TextMapGetter,\n} from 'next/dist/compiled/@opentelemetry/api'\nimport { isThenable } from '../../../shared/lib/is-thenable'\n\nlet api: typeof import('next/dist/compiled/@opentelemetry/api')\n\n// we want to allow users to use their own version of @opentelemetry/api if they\n// want to, so we try to require it first, and if it fails we fall back to the\n// version that is bundled with Next.js\n// this is because @opentelemetry/api has to be synced with the version of\n// @opentelemetry/tracing that is used, and we don't want to force users to use\n// the version that is bundled with Next.js.\n// the API is ~stable, so this should be fine\nif (process.env.NEXT_RUNTIME === 'edge') {\n  api = require('@opentelemetry/api')\n} else {\n  try {\n    api = require('@opentelemetry/api')\n  } catch (err) {\n    api = require('next/dist/compiled/@opentelemetry/api')\n  }\n}\n\nconst { context, propagation, trace, SpanStatusCode, SpanKind, ROOT_CONTEXT } =\n  api\n\nexport class BubbledError extends Error {\n  constructor(\n    public readonly bubble?: boolean,\n    public readonly result?: FetchEventResult\n  ) {\n    super()\n  }\n}\n\nexport function isBubbledError(error: unknown): error is BubbledError {\n  if (typeof error !== 'object' || error === null) return false\n  return error instanceof BubbledError\n}\n\nconst closeSpanWithError = (span: Span, error?: Error) => {\n  if (isBubbledError(error) && error.bubble) {\n    span.setAttribute('next.bubble', true)\n  } else {\n    if (error) {\n      span.recordException(error)\n    }\n    span.setStatus({ code: SpanStatusCode.ERROR, message: error?.message })\n  }\n  span.end()\n}\n\ntype TracerSpanOptions = Omit<SpanOptions, 'attributes'> & {\n  parentSpan?: Span\n  spanName?: string\n  attributes?: Partial<Record<AttributeNames, AttributeValue | undefined>>\n  hideSpan?: boolean\n}\n\ninterface NextTracer {\n  getContext(): ContextAPI\n\n  /**\n   * Instruments a function by automatically creating a span activated on its\n   * scope.\n   *\n   * The span will automatically be finished when one of these conditions is\n   * met:\n   *\n   * * The function returns a promise, in which case the span will finish when\n   * the promise is resolved or rejected.\n   * * The function takes a callback as its second parameter, in which case the\n   * span will finish when that callback is called.\n   * * The function doesn't accept a callback and doesn't return a promise, in\n   * which case the span will finish at the end of the function execution.\n   *\n   */\n  trace<T>(\n    type: SpanTypes,\n    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>\n  ): Promise<T>\n  trace<T>(\n    type: SpanTypes,\n    fn: (span?: Span, done?: (error?: Error) => any) => T\n  ): T\n  trace<T>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>\n  ): Promise<T>\n  trace<T>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: (span?: Span, done?: (error?: Error) => any) => T\n  ): T\n\n  /**\n   * Wrap a function to automatically create a span activated on its\n   * scope when it's called.\n   *\n   * The span will automatically be finished when one of these conditions is\n   * met:\n   *\n   * * The function returns a promise, in which case the span will finish when\n   * the promise is resolved or rejected.\n   * * The function takes a callback as its last parameter, in which case the\n   * span will finish when that callback is called.\n   * * The function doesn't accept a callback and doesn't return a promise, in\n   * which case the span will finish at the end of the function execution.\n   */\n  wrap<T = (...args: Array<any>) => any>(type: SpanTypes, fn: T): T\n  wrap<T = (...args: Array<any>) => any>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: T\n  ): T\n  wrap<T = (...args: Array<any>) => any>(\n    type: SpanTypes,\n    options: (...args: any[]) => TracerSpanOptions,\n    fn: T\n  ): T\n\n  /**\n   * Starts and returns a new Span representing a logical unit of work.\n   *\n   * This method do NOT modify the current Context by default. In result, any inner span will not\n   * automatically set its parent context to the span created by this method unless manually activate\n   * context via `tracer.getContext().with`. `trace`, or `wrap` is generally recommended as it gracefully\n   * handles context activation. (ref: https://github.com/open-telemetry/opentelemetry-js/issues/1923)\n   */\n  startSpan(type: SpanTypes): Span\n  startSpan(type: SpanTypes, options: TracerSpanOptions): Span\n\n  /**\n   * Returns currently activated span if current context is in the scope of the span.\n   * Returns undefined otherwise.\n   */\n  getActiveScopeSpan(): Span | undefined\n\n  /**\n   * Returns trace propagation data for the currently active context. The format is equal to data provided\n   * through the OpenTelemetry propagator API.\n   */\n  getTracePropagationData(): ClientTraceDataEntry[]\n}\n\ntype NextAttributeNames =\n  | 'next.route'\n  | 'next.page'\n  | 'next.rsc'\n  | 'next.segment'\n  | 'next.span_name'\n  | 'next.span_type'\n  | 'next.clientComponentLoadCount'\ntype OTELAttributeNames = `http.${string}` | `net.${string}`\ntype AttributeNames = NextAttributeNames | OTELAttributeNames\n\n/** we use this map to propagate attributes from nested spans to the top span */\nconst rootSpanAttributesStore = new Map<\n  number,\n  Map<AttributeNames, AttributeValue | undefined>\n>()\nconst rootSpanIdKey = api.createContextKey('next.rootSpanId')\nlet lastSpanId = 0\nconst getSpanId = () => lastSpanId++\n\nexport interface ClientTraceDataEntry {\n  key: string\n  value: string\n}\n\nconst clientTraceDataSetter: TextMapSetter<ClientTraceDataEntry[]> = {\n  set(carrier, key, value) {\n    carrier.push({\n      key,\n      value,\n    })\n  },\n}\n\nclass NextTracerImpl implements NextTracer {\n  /**\n   * Returns an instance to the trace with configured name.\n   * Since wrap / trace can be defined in any place prior to actual trace subscriber initialization,\n   * This should be lazily evaluated.\n   */\n  private getTracerInstance(): Tracer {\n    return trace.getTracer('next.js', '0.0.1')\n  }\n\n  public getContext(): ContextAPI {\n    return context\n  }\n\n  public getTracePropagationData(): ClientTraceDataEntry[] {\n    const activeContext = context.active()\n    const entries: ClientTraceDataEntry[] = []\n    propagation.inject(activeContext, entries, clientTraceDataSetter)\n    return entries\n  }\n\n  public getActiveScopeSpan(): Span | undefined {\n    return trace.getSpan(context?.active())\n  }\n\n  public withPropagatedContext<T, C>(\n    carrier: C,\n    fn: () => T,\n    getter?: TextMapGetter<C>\n  ): T {\n    const activeContext = context.active()\n    if (trace.getSpanContext(activeContext)) {\n      // Active span is already set, too late to propagate.\n      return fn()\n    }\n    const remoteContext = propagation.extract(activeContext, carrier, getter)\n    return context.with(remoteContext, fn)\n  }\n\n  // Trace, wrap implementation is inspired by datadog trace implementation\n  // (https://datadoghq.dev/dd-trace-js/interfaces/tracer.html#trace).\n  public trace<T>(\n    type: SpanTypes,\n    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>\n  ): Promise<T>\n  public trace<T>(\n    type: SpanTypes,\n    fn: (span?: Span, done?: (error?: Error) => any) => T\n  ): T\n  public trace<T>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: (span?: Span, done?: (error?: Error) => any) => Promise<T>\n  ): Promise<T>\n  public trace<T>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: (span?: Span, done?: (error?: Error) => any) => T\n  ): T\n  public trace<T>(...args: Array<any>) {\n    const [type, fnOrOptions, fnOrEmpty] = args\n\n    // coerce options form overload\n    const {\n      fn,\n      options,\n    }: {\n      fn: (span?: Span, done?: (error?: Error) => any) => T | Promise<T>\n      options: TracerSpanOptions\n    } =\n      typeof fnOrOptions === 'function'\n        ? {\n            fn: fnOrOptions,\n            options: {},\n          }\n        : {\n            fn: fnOrEmpty,\n            options: { ...fnOrOptions },\n          }\n\n    const spanName = options.spanName ?? type\n\n    if (\n      (!NextVanillaSpanAllowlist.includes(type) &&\n        process.env.NEXT_OTEL_VERBOSE !== '1') ||\n      options.hideSpan\n    ) {\n      return fn()\n    }\n\n    // Trying to get active scoped span to assign parent. If option specifies parent span manually, will try to use it.\n    let spanContext = this.getSpanContext(\n      options?.parentSpan ?? this.getActiveScopeSpan()\n    )\n    let isRootSpan = false\n\n    if (!spanContext) {\n      spanContext = context?.active() ?? ROOT_CONTEXT\n      isRootSpan = true\n    } else if (trace.getSpanContext(spanContext)?.isRemote) {\n      isRootSpan = true\n    }\n\n    const spanId = getSpanId()\n\n    options.attributes = {\n      'next.span_name': spanName,\n      'next.span_type': type,\n      ...options.attributes,\n    }\n\n    return context.with(spanContext.setValue(rootSpanIdKey, spanId), () =>\n      this.getTracerInstance().startActiveSpan(\n        spanName,\n        options,\n        (span: Span) => {\n          const startTime =\n            'performance' in globalThis && 'measure' in performance\n              ? globalThis.performance.now()\n              : undefined\n\n          const onCleanup = () => {\n            rootSpanAttributesStore.delete(spanId)\n            if (\n              startTime &&\n              process.env.NEXT_OTEL_PERFORMANCE_PREFIX &&\n              LogSpanAllowList.includes(type || ('' as any))\n            ) {\n              performance.measure(\n                `${process.env.NEXT_OTEL_PERFORMANCE_PREFIX}:next-${(\n                  type.split('.').pop() || ''\n                ).replace(\n                  /[A-Z]/g,\n                  (match: string) => '-' + match.toLowerCase()\n                )}`,\n                {\n                  start: startTime,\n                  end: performance.now(),\n                }\n              )\n            }\n          }\n\n          if (isRootSpan) {\n            rootSpanAttributesStore.set(\n              spanId,\n              new Map(\n                Object.entries(options.attributes ?? {}) as [\n                  AttributeNames,\n                  AttributeValue | undefined,\n                ][]\n              )\n            )\n          }\n          try {\n            if (fn.length > 1) {\n              return fn(span, (err) => closeSpanWithError(span, err))\n            }\n\n            const result = fn(span)\n            if (isThenable(result)) {\n              // If there's error make sure it throws\n              return result\n                .then((res) => {\n                  span.end()\n                  // Need to pass down the promise result,\n                  // it could be react stream response with error { error, stream }\n                  return res\n                })\n                .catch((err) => {\n                  closeSpanWithError(span, err)\n                  throw err\n                })\n                .finally(onCleanup)\n            } else {\n              span.end()\n              onCleanup()\n            }\n\n            return result\n          } catch (err: any) {\n            closeSpanWithError(span, err)\n            onCleanup()\n            throw err\n          }\n        }\n      )\n    )\n  }\n\n  public wrap<T = (...args: Array<any>) => any>(type: SpanTypes, fn: T): T\n  public wrap<T = (...args: Array<any>) => any>(\n    type: SpanTypes,\n    options: TracerSpanOptions,\n    fn: T\n  ): T\n  public wrap<T = (...args: Array<any>) => any>(\n    type: SpanTypes,\n    options: (...args: any[]) => TracerSpanOptions,\n    fn: T\n  ): T\n  public wrap(...args: Array<any>) {\n    const tracer = this\n    const [name, options, fn] =\n      args.length === 3 ? args : [args[0], {}, args[1]]\n\n    if (\n      !NextVanillaSpanAllowlist.includes(name) &&\n      process.env.NEXT_OTEL_VERBOSE !== '1'\n    ) {\n      return fn\n    }\n\n    return function (this: any) {\n      let optionsObj = options\n      if (typeof optionsObj === 'function' && typeof fn === 'function') {\n        optionsObj = optionsObj.apply(this, arguments)\n      }\n\n      const lastArgId = arguments.length - 1\n      const cb = arguments[lastArgId]\n\n      if (typeof cb === 'function') {\n        const scopeBoundCb = tracer.getContext().bind(context.active(), cb)\n        return tracer.trace(name, optionsObj, (_span, done) => {\n          arguments[lastArgId] = function (err: any) {\n            done?.(err)\n            return scopeBoundCb.apply(this, arguments)\n          }\n\n          return fn.apply(this, arguments)\n        })\n      } else {\n        return tracer.trace(name, optionsObj, () => fn.apply(this, arguments))\n      }\n    }\n  }\n\n  public startSpan(type: SpanTypes): Span\n  public startSpan(type: SpanTypes, options: TracerSpanOptions): Span\n  public startSpan(...args: Array<any>): Span {\n    const [type, options]: [string, TracerSpanOptions | undefined] = args as any\n\n    const spanContext = this.getSpanContext(\n      options?.parentSpan ?? this.getActiveScopeSpan()\n    )\n    return this.getTracerInstance().startSpan(type, options, spanContext)\n  }\n\n  private getSpanContext(parentSpan?: Span) {\n    const spanContext = parentSpan\n      ? trace.setSpan(context.active(), parentSpan)\n      : undefined\n\n    return spanContext\n  }\n\n  public getRootSpanAttributes() {\n    const spanId = context.active().getValue(rootSpanIdKey) as number\n    return rootSpanAttributesStore.get(spanId)\n  }\n\n  public 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Name	Size	Permission
constants.js	7495 bytes	0644
constants.js.map	6701 bytes	0644
tracer.js	8881 bytes	0644
tracer.js.map	21420 bytes	0644
utils.js	440 bytes	0644
utils.js.map	928 bytes	0644

Command Bosku: