Marc Mintel
5397309103
Some checks failed
Build & Deploy / 🔍 Prepare (push) Successful in 20s
Build & Deploy / 🧪 QA (push) Failing after 34s
Build & Deploy / 🏗️ Build (push) Has started running
Build & Deploy / 🚀 Deploy (push) Has been cancelled
Build & Deploy / 🧪 Smoke Test (push) Has been cancelled
Build & Deploy / ⚡ Lighthouse (push) Has been cancelled
Build & Deploy / 🔔 Notify (push) Has been cancelled
74 lines
2.7 KiB
Plaintext
74 lines
2.7 KiB
Plaintext
import type { Metric } from './base.js';
|
|
/**
|
|
* An LCP-specific version of the Metric object.
|
|
*/
|
|
export interface LCPMetric extends Metric {
|
|
name: 'LCP';
|
|
entries: LargestContentfulPaint[];
|
|
}
|
|
/**
|
|
* An object containing potentially-helpful debugging information that
|
|
* can be sent along with the LCP value for the current page visit in order
|
|
* to help identify issues happening to real-users in the field.
|
|
*/
|
|
export interface LCPAttribution {
|
|
/**
|
|
* By default, a selector identifying the element corresponding to the
|
|
* largest contentful paint for the page. If the `generateTarget`
|
|
* configuration option was passed, then this will instead be the return
|
|
* value of that function, falling back to the default if that returns null
|
|
* or undefined.
|
|
*/
|
|
target?: string;
|
|
/**
|
|
* The URL (if applicable) of the LCP image resource. If the LCP element
|
|
* is a text node, this value will not be set.
|
|
*/
|
|
url?: string;
|
|
/**
|
|
* The time from when the user initiates loading the page until when the
|
|
* browser receives the first byte of the response (a.k.a. TTFB). See
|
|
* [Optimize LCP](https://web.dev/articles/optimize-lcp) for details.
|
|
*/
|
|
timeToFirstByte: number;
|
|
/**
|
|
* The delta between TTFB and when the browser starts loading the LCP
|
|
* resource (if there is one, otherwise 0). See [Optimize
|
|
* LCP](https://web.dev/articles/optimize-lcp) for details.
|
|
*/
|
|
resourceLoadDelay: number;
|
|
/**
|
|
* The total time it takes to load the LCP resource itself (if there is one,
|
|
* otherwise 0). See [Optimize LCP](https://web.dev/articles/optimize-lcp) for
|
|
* details.
|
|
*/
|
|
resourceLoadDuration: number;
|
|
/**
|
|
* The delta between when the LCP resource finishes loading until the LCP
|
|
* element is fully rendered. See [Optimize
|
|
* LCP](https://web.dev/articles/optimize-lcp) for details.
|
|
*/
|
|
elementRenderDelay: number;
|
|
/**
|
|
* The `navigation` entry of the current page, which is useful for diagnosing
|
|
* general page load issues. This can be used to access `serverTiming` for example:
|
|
* navigationEntry?.serverTiming
|
|
*/
|
|
navigationEntry?: PerformanceNavigationTiming;
|
|
/**
|
|
* The `resource` entry for the LCP resource (if applicable), which is useful
|
|
* for diagnosing resource load issues.
|
|
*/
|
|
lcpResourceEntry?: PerformanceResourceTiming;
|
|
/**
|
|
* The `LargestContentfulPaint` entry corresponding to LCP.
|
|
*/
|
|
lcpEntry?: LargestContentfulPaint;
|
|
}
|
|
/**
|
|
* An LCP-specific version of the Metric object with attribution.
|
|
*/
|
|
export interface LCPMetricWithAttribution extends LCPMetric {
|
|
attribution: LCPAttribution;
|
|
}
|
|
//# sourceMappingURL=lcp.d.ts.map |