remove optional chains

Author: Lms24

packages/browser-utils/src/metrics/web-vitals/lib/getVisibilityWatcher.ts

@@ -24,13 +24,13 @@ const initHiddenTime = () => {
   // that visibility state is always 'hidden' during prerendering, so we have
   // to ignore that case until prerendering finishes (see: `prerenderingchange`
   // event logic below).
-  return WINDOW.document?.visibilityState === 'hidden' && !WINDOW.document?.prerendering ? 0 : Infinity;
+  return WINDOW.document!.visibilityState === 'hidden' && !WINDOW.document!.prerendering ? 0 : Infinity;
 };
 
 const onVisibilityUpdate = (event: Event) => {
   // If the document is 'hidden' and no previous hidden timestamp has been
   // set, update it based on the current event data.
-  if (WINDOW.document?.visibilityState === 'hidden' && firstHiddenTime > -1) {
+  if (WINDOW.document!.visibilityState === 'hidden' && firstHiddenTime > -1) {
     // If the event is a 'visibilitychange' event, it means the page was
     // visible prior to this change, so the event timestamp is the first
     // hidden time.
@@ -60,7 +60,7 @@ const removeChangeListeners = () => {
 };
 
 export const getVisibilityWatcher = () => {
-  if (firstHiddenTime < 0) {
+  if (WINDOW.document && firstHiddenTime < 0) {
     // If the document is hidden when this code runs, assume it was hidden
     // since navigation start. This isn't a perfect heuristic, but it's the
     // best we can do until an API is available to support querying past

packages/browser-utils/src/metrics/web-vitals/lib/initMetric.ts

@@ -25,9 +25,9 @@ export const initMetric = <MetricName extends MetricType['name']>(name: MetricNa
   let navigationType: MetricType['navigationType'] = 'navigate';
 
   if (navEntry) {
-    if (WINDOW.document?.prerendering || getActivationStart() > 0) {
+    if ((WINDOW.document && WINDOW.document.prerendering) || getActivationStart() > 0) {
       navigationType = 'prerender';
-    } else if (WINDOW.document?.wasDiscarded) {
+    } else if (WINDOW.document && WINDOW.document.wasDiscarded) {
       navigationType = 'restore';
     } else if (navEntry.type) {
       navigationType = navEntry.type.replace(/_/g, '-') as MetricType['navigationType'];

packages/browser-utils/src/metrics/web-vitals/lib/interactions.ts

@@ -113,7 +113,7 @@ export const processInteractionEntry = (entry: PerformanceEventTiming) => {
         existingInteraction.latency = entry.duration;
       } else if (
         entry.duration === existingInteraction.latency &&
-        entry.startTime === existingInteraction?.entries[0]?.startTime
+        entry.startTime === (existingInteraction.entries[0] && existingInteraction.entries[0].startTime)
       ) {
         existingInteraction.entries.push(entry);
       }

packages/browser-utils/src/metrics/web-vitals/lib/whenActivated.ts

@@ -17,8 +17,8 @@
 import { WINDOW } from '../../../types';
 
 export const whenActivated = (callback: () => void) => {
-  if (WINDOW.document?.prerendering) {
-    WINDOW.document?.addEventListener('prerenderingchange', () => callback(), true);
+  if (WINDOW.document && WINDOW.document.prerendering) {
+    addEventListener('prerenderingchange', () => callback(), true);
   } else {
     callback();
   }

packages/browser-utils/src/metrics/web-vitals/lib/whenIdle.ts

@@ -30,7 +30,7 @@ export const whenIdle = (cb: () => void): number => {
   cb = runOnce(cb) as () => void;
   // If the document is hidden, run the callback immediately, otherwise
   // race an idle callback with the next `visibilitychange` event.
-  if (WINDOW.document?.visibilityState === 'hidden') {
+  if (WINDOW.document && WINDOW.document.visibilityState === 'hidden') {
     cb();
   } else {
     handle = rIC(cb);