@sentry/core/build/cjs/utils/applyScopeDataToEvent.js

Base implementation for all Sentry JavaScript SDKs

Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

const dynamicSamplingContext = require('../tracing/dynamicSamplingContext.js');
const merge = require('./merge.js');
const spanUtils = require('./spanUtils.js');

/**
 * Applies data from the scope to the event and runs all event processors on it.
 */
function applyScopeDataToEvent(event, data) {
  const { fingerprint, span, breadcrumbs, sdkProcessingMetadata } = data;

  // Apply general data
  applyDataToEvent(event, data);

  // We want to set the trace context for normal events only if there isn't already
  // a trace context on the event. There is a product feature in place where we link
  // errors with transaction and it relies on that.
  if (span) {
    applySpanToEvent(event, span);
  }

  applyFingerprintToEvent(event, fingerprint);
  applyBreadcrumbsToEvent(event, breadcrumbs);
  applySdkMetadataToEvent(event, sdkProcessingMetadata);
}

/** Merge data of two scopes together. */
function mergeScopeData(data, mergeData) {
  const {
    extra,
    tags,
    user,
    contexts,
    level,
    sdkProcessingMetadata,
    breadcrumbs,
    fingerprint,
    eventProcessors,
    attachments,
    propagationContext,
    transactionName,
    span,
  } = mergeData;

  mergeAndOverwriteScopeData(data, 'extra', extra);
  mergeAndOverwriteScopeData(data, 'tags', tags);
  mergeAndOverwriteScopeData(data, 'user', user);
  mergeAndOverwriteScopeData(data, 'contexts', contexts);

  data.sdkProcessingMetadata = merge.merge(data.sdkProcessingMetadata, sdkProcessingMetadata, 2);

  if (level) {
    data.level = level;
  }

  if (transactionName) {
    data.transactionName = transactionName;
  }

  if (span) {
    data.span = span;
  }

  if (breadcrumbs.length) {
    data.breadcrumbs = [...data.breadcrumbs, ...breadcrumbs];
  }

  if (fingerprint.length) {
    data.fingerprint = [...data.fingerprint, ...fingerprint];
  }

  if (eventProcessors.length) {
    data.eventProcessors = [...data.eventProcessors, ...eventProcessors];
  }

  if (attachments.length) {
    data.attachments = [...data.attachments, ...attachments];
  }

  data.propagationContext = { ...data.propagationContext, ...propagationContext };
}

/**
 * Merges certain scope data. Undefined values will overwrite any existing values.
 * Exported only for tests.
 */
function mergeAndOverwriteScopeData

(data, prop, mergeVal) {
  data[prop] = merge.merge(data[prop], mergeVal, 1);
}

function applyDataToEvent(event, data) {
  const { extra, tags, user, contexts, level, transactionName } = data;

  if (Object.keys(extra).length) {
    event.extra = { ...extra, ...event.extra };
  }

  if (Object.keys(tags).length) {
    event.tags = { ...tags, ...event.tags };
  }

  if (Object.keys(user).length) {
    event.user = { ...user, ...event.user };
  }

  if (Object.keys(contexts).length) {
    event.contexts = { ...contexts, ...event.contexts };
  }

  if (level) {
    event.level = level;
  }

  // transaction events get their `transaction` from the root span name
  if (transactionName && event.type !== 'transaction') {
    event.transaction = transactionName;
  }
}

function applyBreadcrumbsToEvent(event, breadcrumbs) {
  const mergedBreadcrumbs = [...(event.breadcrumbs || []), ...breadcrumbs];
  event.breadcrumbs = mergedBreadcrumbs.length ? mergedBreadcrumbs : undefined;
}

function applySdkMetadataToEvent(event, sdkProcessingMetadata) {
  event.sdkProcessingMetadata = {
    ...event.sdkProcessingMetadata,
    ...sdkProcessingMetadata,
  };
}

function applySpanToEvent(event, span) {
  event.contexts = {
    trace: spanUtils.spanToTraceContext(span),
    ...event.contexts,
  };

  event.sdkProcessingMetadata = {
    dynamicSamplingContext: dynamicSamplingContext.getDynamicSamplingContextFromSpan(span),
    ...event.sdkProcessingMetadata,
  };

  const rootSpan = spanUtils.getRootSpan(span);
  const transactionName = spanUtils.spanToJSON(rootSpan).description;
  if (transactionName && !event.transaction && event.type === 'transaction') {
    event.transaction = transactionName;
  }
}

/**
 * Applies fingerprint from the scope to the event if there's one,
 * uses message if there's one instead or get rid of empty fingerprint
 */
function applyFingerprintToEvent(event, fingerprint) {
  // Make sure it's an array first and we actually have something in place
  event.fingerprint = event.fingerprint
    ? Array.isArray(event.fingerprint)
      ? event.fingerprint
      : [event.fingerprint]
    : [];

  // If we have something on the scope, then merge it with event
  if (fingerprint) {
    event.fingerprint = event.fingerprint.concat(fingerprint);
  }

  // If we have no data at all, remove empty array default
  if (!event.fingerprint.length) {
    delete event.fingerprint;
  }
}

exports.applyScopeDataToEvent = applyScopeDataToEvent;
exports.mergeAndOverwriteScopeData = mergeAndOverwriteScopeData;
exports.mergeScopeData = mergeScopeData;
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