@sentry-internal/tracing
Version:
Sentry Internal Tracing Package
25 lines • 1.23 kB
TypeScript
import type { FirstInputPolyfillEntry, NavigationTimingPolyfillEntry, PerformancePaintTiming } from '../types';
export interface PerformanceEntryHandler {
(entry: PerformanceEntry): void;
}
interface PerformanceEntryMap {
event: PerformanceEventTiming[];
paint: PerformancePaintTiming[];
'layout-shift': LayoutShift[];
'largest-contentful-paint': LargestContentfulPaint[];
'first-input': PerformanceEventTiming[] | FirstInputPolyfillEntry[];
navigation: PerformanceNavigationTiming[] | NavigationTimingPolyfillEntry[];
resource: PerformanceResourceTiming[];
longtask: PerformanceEntry[];
}
/**
* Takes a performance entry type and a callback function, and creates a
* `PerformanceObserver` instance that will observe the specified entry type
* with buffering enabled and call the callback _for each entry_.
*
* This function also feature-detects entry support and wraps the logic in a
* try/catch to avoid errors in unsupporting browsers.
*/
export declare const observe: <K extends keyof PerformanceEntryMap>(type: K, callback: (entries: PerformanceEntryMap[K]) => void, opts?: PerformanceObserverInit) => PerformanceObserver | undefined;
export {};
//# sourceMappingURL=observe.d.ts.map