Add ReportCallback type back but deprecate it

GoogleChrome · May 20, 2024 · 5e48429 · 5e48429
1 parent 27f5d87
commit 5e48429
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/types/base.ts b/src/types/base.ts
@@ -116,6 +116,15 @@ export type MetricWithAttribution =
  */
 export type MetricRatingThresholds = [number, number];
 
+/**
+ * @deprecated Use metric-specific function types instead, such as:
+ * `(metric: LCPMetric) => void`. If a single callback type is needed for
+ * multiple metrics, use `(metric: MetricType) => void`.
+ */
+export interface ReportCallback {
+  (metric: MetricType): void;
+}
+
 export interface ReportOpts {
   reportAllChanges?: boolean;
   durationThreshold?: number;