core(work-during-interaction): add INP savings (#15176)

GoogleChrome · Jun 15, 2023 · 0a32e6c · 0a32e6c
1 parent 373c9c6
commit 0a32e6c
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Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/core/audits/work-during-interaction.js b/core/audits/work-during-interaction.js
@@ -224,15 +224,23 @@ class WorkDuringInteraction extends Audit {
     const {settings} = context;
     // TODO: responsiveness isn't yet supported by lantern.
     if (settings.throttlingMethod === 'simulate') {
-      return {score: null, notApplicable: true};
+      return {
+        score: null,
+        notApplicable: true,
+        metricSavings: {INP: 0},
+      };
     }
 
     const trace = artifacts.traces[WorkDuringInteraction.DEFAULT_PASS];
     const metricData = {trace, settings};
     const interactionEvent = await Responsiveness.request(metricData, context);
     // If no interaction, diagnostic audit is n/a.
     if (interactionEvent === null) {
-      return {score: null, notApplicable: true};
+      return {
+        score: null,
+        notApplicable: true,
+        metricSavings: {INP: 0},
+      };
     }
     // TODO: remove workaround once 103.0.5052.0 is sufficiently released.
     if (interactionEvent.name === 'FallbackTiming') {
@@ -271,6 +279,9 @@ class WorkDuringInteraction extends Audit {
         type: 'list',
         items: auditDetailsItems,
       },
+      metricSavings: {
+        INP: duration,
+      },
     };
   }
 }

diff --git a/core/test/audits/work-during-interaction-test.js b/core/test/audits/work-during-interaction-test.js
@@ -255,6 +255,9 @@ Object {
       "timeInMs": 368,
     },
   },
+  "metricSavings": Object {
+    "INP": 368,
+  },
   "score": 0,
 }
 `);
@@ -280,6 +283,7 @@ Object {
     expect(result).toMatchObject({
       score: null,
       notApplicable: true,
+      metricSavings: {INP: 0},
     });
   });
 
@@ -290,6 +294,7 @@ Object {
     expect(result).toMatchObject({
       score: null,
       notApplicable: true,
+      metricSavings: {INP: 0},
     });
   });
 });