@sentry/integrations/esm/transaction.js

/** Add node transaction to the event */
class Transaction  {constructor() { Transaction.prototype.__init.call(this); }
  /**
   * @inheritDoc
   */
   static __initStatic() {this.id = 'Transaction';}

  /**
   * @inheritDoc
   */
   __init() {this.name = Transaction.id;}

  /**
   * @inheritDoc
   */
   setupOnce(addGlobalEventProcessor, getCurrentHub) {
    addGlobalEventProcessor(event => {
      const self = getCurrentHub().getIntegration(Transaction);
      if (self) {
        return self.process(event);
      }
      return event;
    });
  }

  /**
   * @inheritDoc
   */
   process(event) {
    const frames = this._getFramesFromEvent(event);

    // use for loop so we don't have to reverse whole frames array
    for (let i = frames.length - 1; i >= 0; i--) {
      const frame = frames[i];

      if (frame.in_app === true) {
        event.transaction = this._getTransaction(frame);
        break;
      }
    }

    return event;
  }

  /** JSDoc */
   _getFramesFromEvent(event) {
    const exception = event.exception && event.exception.values && event.exception.values[0];
    return (exception && exception.stacktrace && exception.stacktrace.frames) || [];
  }

  /** JSDoc */
   _getTransaction(frame) {
    return frame.module || frame.function ? `${frame.module || '?'}/${frame.function || '?'}` : '<unknown>';
  }
} Transaction.__initStatic();

export { Transaction };
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