@sentry/browser/build/npm/esm/dev/integrations/httpcontext.js

Official Sentry SDK for browsers

import { defineIntegration, safeSetSpanJSONAttributes } from '@sentry/core/browser';
import { WINDOW, getHttpRequestData } from '../helpers.js';
import { HTTP_REQUEST_HEADER_KEY_BASE, URL_FULL, SENTRY_OP, USER_AGENT_ORIGINAL } from '@sentry/conventions/attributes';

const httpContextIntegration = defineIntegration(() => {
  return {
    name: "HttpContext",
    preprocessEvent(event) {
      if (!WINDOW.navigator && !WINDOW.location && !WINDOW.document) {
        return;
      }
      const reqData = getHttpRequestData();
      const headers = {
        ...reqData.headers,
        ...event.request?.headers
      };
      event.request = {
        ...reqData,
        ...event.request,
        headers
      };
    },
    processSpan(span) {
      if (!WINDOW.navigator && !WINDOW.location && !WINDOW.document) {
        return;
      }
      const reqData = getHttpRequestData();
      safeSetSpanJSONAttributes(span, {
        // This attribute is used by the "Filter out events from legacy browsers and crawlers" features on the Sentry backend.
        // Therefore, it's set on every span.
        [USER_AGENT_ORIGINAL]: reqData.headers["User-Agent"],
        // These attributes, we only need on the segment span (analogous to the `request` context for events)
        ...span.is_segment && {
          // Coerce empty string to undefined so the helper's nullish check drops it,
          // rather than writing an empty `url.full` attribute onto the span.
          [URL_FULL]: span.attributes?.[SENTRY_OP] !== "http.client" ? reqData.url : void 0,
          [`${HTTP_REQUEST_HEADER_KEY_BASE}.referer`]: reqData.headers["Referer"]
        }
      });
    }
  };
});

export { httpContextIntegration };
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