web-vitals
Version:
Easily measure performance metrics in JavaScript
25 lines (24 loc) • 1.11 kB
TypeScript
import type { MetricType } from '../types.js';
export declare const initMetric: <MetricName extends MetricType["name"]>(name: MetricName, value?: number, navigationType?: MetricType["navigationType"], navigationId?: number, navigationInteractionId?: number, navigationURL?: string, navigationStartTime?: number) => {
name: MetricName;
value: number;
rating: "good";
delta: number;
entries: (Extract<import("../types.js").CLSMetric, {
name: MetricName;
}> | Extract<import("../types.js").FCPMetric, {
name: MetricName;
}> | Extract<import("../types.js").INPMetric, {
name: MetricName;
}> | Extract<import("../types.js").LCPMetric, {
name: MetricName;
}> | Extract<import("../types.js").TTFBMetric, {
name: MetricName;
}>)["entries"];
id: string;
navigationType: "navigate" | "reload" | "back-forward" | "back-forward-cache" | "prerender" | "restore" | "soft-navigation";
navigationId: number;
navigationInteractionId: number | undefined;
navigationURL: string | undefined;
navigationStartTime: number;
};