refactor(core): use performance API for defer feature

This commit adds a standard performance marker that can be viewed in Chrome dev tools and other tooling. See more info at https://developer.mozilla.org/en-US/docs/Web/API/Performance/mark
AndrewKushnir · Oct 19, 2023 · 3dc4c6b · 3dc4c6b
1 parent 217c940
commit 3dc4c6b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/core/src/defer/instructions.ts b/packages/core/src/defer/instructions.ts
@@ -124,6 +124,8 @@ export function ɵɵdefer(
   ɵɵtemplate(index, null, 0, 0);
 
   if (tView.firstCreatePass) {
+    performance.mark('mark_use_counter', {detail: {feature: 'NgDefer'}});
+
     const tDetails: TDeferBlockDetails = {
       primaryTmplIndex,
       loadingTmplIndex: loadingTmplIndex ?? null,