@sentry/remix/build/esm/server/serverTimingTracePropagation.js

Official Sentry SDK for Remix

import { getTraceData, debug } from '@sentry/core';
import { isNodeEnv } from '@sentry/core/server';
import { DEBUG_BUILD } from '../utils/debug-build.js';
import { isCloudflareEnv } from '../utils/utils.js';

function generateSentryServerTimingHeader() {
  if (!isNodeEnv() && !isCloudflareEnv()) {
    return null;
  }
  try {
    const traceData = getTraceData();
    const sentryTrace = traceData["sentry-trace"];
    const baggage = traceData.baggage;
    if (!sentryTrace) {
      return null;
    }
    const parts = [];
    parts.push(`sentry-trace;desc="${sentryTrace}"`);
    if (baggage) {
      parts.push(`baggage;desc="${baggage}"`);
    }
    return parts.join(", ");
  } catch (e) {
    DEBUG_BUILD && debug.warn("Failed to generate Server-Timing header", e);
    return null;
  }
}
function injectServerTimingHeaderValue(response, serverTimingValue) {
  try {
    const headers = new Headers(response.headers);
    const existing = headers.get("Server-Timing");
    if (existing?.includes("sentry-trace")) {
      return response;
    }
    headers.set("Server-Timing", existing ? `${existing}, ${serverTimingValue}` : serverTimingValue);
    return new Response(response.body, {
      status: response.status,
      statusText: response.statusText,
      headers
    });
  } catch (e) {
    DEBUG_BUILD && debug.warn("Failed to add Server-Timing header to response", e);
    return response;
  }
}

export { generateSentryServerTimingHeader, injectServerTimingHeaderValue };
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