Object.defineProperty(exports, '__esModule', { value: true });

const utils = require('@sentry/utils');
const constants = require('../constants.js');
const eventProcessors = require('../eventProcessors.js');
const scope = require('../scope.js');

/**
 * Adds common information to events.
 *
 * The information includes release and environment from `options`,
 * breadcrumbs and context (extra, tags and user) from the scope.
 *
 * Information that is already present in the event is never overwritten. For
 * nested objects, such as the context, keys are merged.
 *
 * Note: This also triggers callbacks for `addGlobalEventProcessor`, but not `beforeSend`.
 *
 * @param event The original event.
 * @param hint May contain additional information about the original exception.
 * @param scope A scope containing event metadata.
 * @returns A new event with more information.
 * @hidden
 */
function prepareEvent(
  options,
  event,
  hint,
  scope$1,
  client,
) {
  const { normalizeDepth = 3, normalizeMaxBreadth = 1000 } = options;
  const prepared = {
    ...event,
    event_id: event.event_id || hint.event_id || utils.uuid4(),
    timestamp: event.timestamp || utils.dateTimestampInSeconds(),
  };
  const integrations = hint.integrations || options.integrations.map(i => i.name);

  applyClientOptions(prepared, options);
  applyIntegrationsMetadata(prepared, integrations);

  // Only put debug IDs onto frames for error events.
  if (event.type === undefined) {
    applyDebugIds(prepared, options.stackParser);
  }

  // If we have scope given to us, use it as the base for further modifications.
  // This allows us to prevent unnecessary copying of data if `captureContext` is not provided.
  let finalScope = scope$1;
  if (hint.captureContext) {
    finalScope = scope.Scope.clone(finalScope).update(hint.captureContext);
  }

  // We prepare the result here with a resolved Event.
  let result = utils.resolvedSyncPromise(prepared);

  const clientEventProcessors = client && client.getEventProcessors ? client.getEventProcessors() : [];

  // This should be the last thing called, since we want that
  // {@link Hub.addEventProcessor} gets the finished prepared event.
  //
  // We need to check for the existence of `finalScope.getAttachments`
  // because `getAttachments` can be undefined if users are using an older version
  // of `@sentry/core` that does not have the `getAttachments` method.
  // See: https://github.com/getsentry/sentry-javascript/issues/5229
  if (finalScope) {
    // Collect attachments from the hint and scope
    if (finalScope.getAttachments) {
      const attachments = [...(hint.attachments || []), ...finalScope.getAttachments()];

      if (attachments.length) {
        hint.attachments = attachments;
      }
    }

    // In case we have a hub we reassign it.
    result = finalScope.applyToEvent(prepared, hint, clientEventProcessors);
  } else {
    // Apply client & global event processors even if there is no scope
    // TODO (v8): Update the order to be Global > Client
    result = eventProcessors.notifyEventProcessors([...clientEventProcessors, ...eventProcessors.getGlobalEventProcessors()], prepared, hint);
  }

  return result.then(evt => {
    if (evt) {
      // We apply the debug_meta field only after all event processors have ran, so that if any event processors modified
      // file names (e.g.the RewriteFrames integration) the filename -> debug ID relationship isn't destroyed.
      // This should not cause any PII issues, since we're only moving data that is already on the event and not adding
      // any new data
      applyDebugMeta(evt);
    }

    if (typeof normalizeDepth === 'number' && normalizeDepth > 0) {
      return normalizeEvent(evt, normalizeDepth, normalizeMaxBreadth);
    }
    return evt;
  });
}

/**
 *  Enhances event using the client configuration.
 *  It takes care of all "static" values like environment, release and `dist`,
 *  as well as truncating overly long values.
 * @param event event instance to be enhanced
 */
function applyClientOptions(event, options) {
  const { environment, release, dist, maxValueLength = 250 } = options;

  if (!('environment' in event)) {
    event.environment = 'environment' in options ? environment : constants.DEFAULT_ENVIRONMENT;
  }

  if (event.release === undefined && release !== undefined) {
    event.release = release;
  }

  if (event.dist === undefined && dist !== undefined) {
    event.dist = dist;
  }

  if (event.message) {
    event.message = utils.truncate(event.message, maxValueLength);
  }

  const exception = event.exception && event.exception.values && event.exception.values[0];
  if (exception && exception.value) {
    exception.value = utils.truncate(exception.value, maxValueLength);
  }

  const request = event.request;
  if (request && request.url) {
    request.url = utils.truncate(request.url, maxValueLength);
  }
}

const debugIdStackParserCache = new WeakMap();

/**
 * Puts debug IDs into the stack frames of an error event.
 */
function applyDebugIds(event, stackParser) {
  const debugIdMap = utils.GLOBAL_OBJ._sentryDebugIds;

  if (!debugIdMap) {
    return;
  }

  let debugIdStackFramesCache;
  const cachedDebugIdStackFrameCache = debugIdStackParserCache.get(stackParser);
  if (cachedDebugIdStackFrameCache) {
    debugIdStackFramesCache = cachedDebugIdStackFrameCache;
  } else {
    debugIdStackFramesCache = new Map();
    debugIdStackParserCache.set(stackParser, debugIdStackFramesCache);
  }

  // Build a map of filename -> debug_id
  const filenameDebugIdMap = Object.keys(debugIdMap).reduce((acc, debugIdStackTrace) => {
    let parsedStack;
    const cachedParsedStack = debugIdStackFramesCache.get(debugIdStackTrace);
    if (cachedParsedStack) {
      parsedStack = cachedParsedStack;
    } else {
      parsedStack = stackParser(debugIdStackTrace);
      debugIdStackFramesCache.set(debugIdStackTrace, parsedStack);
    }

    for (let i = parsedStack.length - 1; i >= 0; i--) {
      const stackFrame = parsedStack[i];
      if (stackFrame.filename) {
        acc[stackFrame.filename] = debugIdMap[debugIdStackTrace];
        break;
      }
    }
    return acc;
  }, {});

  try {
    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
    event.exception.values.forEach(exception => {
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      exception.stacktrace.frames.forEach(frame => {
        if (frame.filename) {
          frame.debug_id = filenameDebugIdMap[frame.filename];
        }
      });
    });
  } catch (e) {
    // To save bundle size we're just try catching here instead of checking for the existence of all the different objects.
  }
}

/**
 * Moves debug IDs from the stack frames of an error event into the debug_meta field.
 */
function applyDebugMeta(event) {
  // Extract debug IDs and filenames from the stack frames on the event.
  const filenameDebugIdMap = {};
  try {
    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
    event.exception.values.forEach(exception => {
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      exception.stacktrace.frames.forEach(frame => {
        if (frame.debug_id) {
          if (frame.abs_path) {
            filenameDebugIdMap[frame.abs_path] = frame.debug_id;
          } else if (frame.filename) {
            filenameDebugIdMap[frame.filename] = frame.debug_id;
          }
          delete frame.debug_id;
        }
      });
    });
  } catch (e) {
    // To save bundle size we're just try catching here instead of checking for the existence of all the different objects.
  }

  if (Object.keys(filenameDebugIdMap).length === 0) {
    return;
  }

  // Fill debug_meta information
  event.debug_meta = event.debug_meta || {};
  event.debug_meta.images = event.debug_meta.images || [];
  const images = event.debug_meta.images;
  Object.keys(filenameDebugIdMap).forEach(filename => {
    images.push({
      type: 'sourcemap',
      code_file: filename,
      debug_id: filenameDebugIdMap[filename],
    });
  });
}

/**
 * This function adds all used integrations to the SDK info in the event.
 * @param event The event that will be filled with all integrations.
 */
function applyIntegrationsMetadata(event, integrationNames) {
  if (integrationNames.length > 0) {
    event.sdk = event.sdk || {};
    event.sdk.integrations = [...(event.sdk.integrations || []), ...integrationNames];
  }
}

/**
 * Applies `normalize` function on necessary `Event` attributes to make them safe for serialization.
 * Normalized keys:
 * - `breadcrumbs.data`
 * - `user`
 * - `contexts`
 * - `extra`
 * @param event Event
 * @returns Normalized event
 */
function normalizeEvent(event, depth, maxBreadth) {
  if (!event) {
    return null;
  }

  const normalized = {
    ...event,
    ...(event.breadcrumbs && {
      breadcrumbs: event.breadcrumbs.map(b => ({
        ...b,
        ...(b.data && {
          data: utils.normalize(b.data, depth, maxBreadth),
        }),
      })),
    }),
    ...(event.user && {
      user: utils.normalize(event.user, depth, maxBreadth),
    }),
    ...(event.contexts && {
      contexts: utils.normalize(event.contexts, depth, maxBreadth),
    }),
    ...(event.extra && {
      extra: utils.normalize(event.extra, depth, maxBreadth),
    }),
  };

  // event.contexts.trace stores information about a Transaction. Similarly,
  // event.spans[] stores information about child Spans. Given that a
  // Transaction is conceptually a Span, normalization should apply to both
  // Transactions and Spans consistently.
  // For now the decision is to skip normalization of Transactions and Spans,
  // so this block overwrites the normalized event to add back the original
  // Transaction information prior to normalization.
  if (event.contexts && event.contexts.trace && normalized.contexts) {
    normalized.contexts.trace = event.contexts.trace;

    // event.contexts.trace.data may contain circular/dangerous data so we need to normalize it
    if (event.contexts.trace.data) {
      normalized.contexts.trace.data = utils.normalize(event.contexts.trace.data, depth, maxBreadth);
    }
  }

  // event.spans[].data may contain circular/dangerous data so we need to normalize it
  if (event.spans) {
    normalized.spans = event.spans.map(span => {
      // We cannot use the spread operator here because `toJSON` on `span` is non-enumerable
      if (span.data) {
        span.data = utils.normalize(span.data, depth, maxBreadth);
      }
      return span;
    });
  }

  return normalized;
}

exports.applyDebugIds = applyDebugIds;
exports.applyDebugMeta = applyDebugMeta;
exports.prepareEvent = prepareEvent;
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