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authoraltaf-creator <dev@altafcreator.com>2025-11-09 11:15:19 +0800
committeraltaf-creator <dev@altafcreator.com>2025-11-09 11:15:19 +0800
commit8eff962cab608341a6f2fedc640a0e32d96f26e2 (patch)
tree05534d1a720ddc3691d346c69b4972555820a061 /frontend-old/node_modules/web-vitals/dist/modules/onLCP.d.ts
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+import { LCPMetric, MetricRatingThresholds, ReportOpts } from './types.js';
+/** Thresholds for LCP. See https://web.dev/articles/lcp#what_is_a_good_lcp_score */
+export declare const LCPThresholds: MetricRatingThresholds;
+/**
+ * Calculates the [LCP](https://web.dev/articles/lcp) value for the current page and
+ * calls the `callback` function once the value is ready (along with the
+ * relevant `largest-contentful-paint` performance entry used to determine the
+ * value). The reported value is a `DOMHighResTimeStamp`.
+ *
+ * If the `reportAllChanges` configuration option is set to `true`, the
+ * `callback` function will be called any time a new `largest-contentful-paint`
+ * performance entry is dispatched, or once the final value of the metric has
+ * been determined.
+ */
+export declare const onLCP: (onReport: (metric: LCPMetric) => void, opts?: ReportOpts) => void;