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prebid / Prebid.js / 18982973892

31 Oct 2025 07:20PM UTC coverage: 96.233% (-0.006%) from 96.239%
18982973892

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Pubmatic bid adapter: remove extra transactionId from bidder request (#14084)

* Comment transactionId: passed in global ext.wrapper. Not being used in Adserver

(cherry picked from commit 5f28a727f)

* Comment out unused code of setting transactionId

* fix lint

* Remove unused code of setting transactionId

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Co-authored-by: Komal Kumari <komalkumari@Komals-MacBook-Pro-L1834.local>

52635 of 64477 branches covered (81.63%)

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201579 of 209469 relevant lines covered (96.23%)

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83.33
/libraries/timeToFirstBytesUtils/timeToFirstBytesUtils.js
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/**
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 * Calculates the Time to First Byte (TTFB) for the given window object.
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 *
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 * This function attempts to use the Navigation Timing Level 2 API first, and falls back to
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 * the Navigation Timing Level 1 API if the former is not available.
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 *
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 * @param {Window} win - The window object from which to retrieve performance timing information.
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 * @returns {string} The TTFB in milliseconds as a string, or an empty string if the TTFB cannot be determined.
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 */
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export function getTimeToFirstByte(win) {
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  const performance = win.performance || win.webkitPerformance || win.msPerformance || win.mozPerformance;
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  const ttfbWithTimingV2 = performance &&
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        typeof performance.getEntriesByType === 'function' &&
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        Object.prototype.toString.call(performance.getEntriesByType) === '[object Function]' &&
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        performance.getEntriesByType('navigation')[0] &&
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        performance.getEntriesByType('navigation')[0].responseStart &&
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        performance.getEntriesByType('navigation')[0].requestStart &&
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        performance.getEntriesByType('navigation')[0].responseStart > 0 &&
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        performance.getEntriesByType('navigation')[0].requestStart > 0 &&
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        Math.round(
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          performance.getEntriesByType('navigation')[0].responseStart - performance.getEntriesByType('navigation')[0].requestStart
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        );
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  if (ttfbWithTimingV2) {
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    return ttfbWithTimingV2.toString();
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  }
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  const ttfbWithTimingV1 = performance &&
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        performance.timing.responseStart &&
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        performance.timing.requestStart &&
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        performance.timing.responseStart > 0 &&
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        performance.timing.requestStart > 0 &&
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        performance.timing.responseStart - performance.timing.requestStart;
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  return ttfbWithTimingV1 ? ttfbWithTimingV1.toString() : '';
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}
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