Add more detail about the polyfill in comment

DataDog · Aug 24, 2023 · 9bc714f · 9bc714f
1 parent 111e331
commit 9bc714f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/rum-core/src/domain/rumEventsCollection/view/interactionCountPolyfill.ts b/packages/rum-core/src/domain/rumEventsCollection/view/interactionCountPolyfill.ts
@@ -4,7 +4,9 @@
  * The interactionCount is an integer which counts the total number of distinct user interactions,
  * for which there was a unique interactionId.
  *
- * The interactionCount polyfill is an estimate based on a convention specific to Chrome
+ * The interactionCount polyfill is an estimate based on a convention specific to Chrome. Cf: https://github.com/GoogleChrome/web-vitals/pull/213
+ * This is currently no an issue as the polyfill is only used for INP which is currently only supported on Chrome.
+ * Hopefully when/if other browsers will support INP, they will also implement performance.interactionCount at the same time, so we won't need that polyfill.
  *
  * Reference implementation: https://github.com/GoogleChrome/web-vitals/blob/main/src/lib/polyfills/interactionCountPolyfill.ts
  */