ref(core): Remove optional chaining

packages/core/src/baseclient.ts

@@ -150,7 +150,7 @@ export abstract class BaseClient<B extends Backend, O extends Options> implement
    */
   public captureEvent(event: Event, hint?: EventHint, scope?: Scope): string | undefined {
     // ensure we haven't captured this very object before
-    if (hint?.originalException && checkOrSetAlreadyCaught(hint.originalException)) {
+    if (hint && hint.originalException && checkOrSetAlreadyCaught(hint.originalException)) {
       logger.log(ALREADY_SEEN_ERROR);
       return;
     }
@@ -523,6 +523,15 @@ export abstract class BaseClient<B extends Backend, O extends Options> implement
     const { beforeSend, sampleRate } = this.getOptions();
     const transport = this.getTransport();
 
+    type RecordLostEvent = NonNullable<Transport['recordLostEvent']>;
+    type RecordLostEventParams = Parameters<RecordLostEvent>;
+
+    function recordLostEvent(outcome: RecordLostEventParams[0], category: RecordLostEventParams[1]): void {
+      if (transport.recordLostEvent) {
+        transport.recordLostEvent(outcome, category);
+      }
+    }
+
     if (!this._isEnabled()) {
       return SyncPromise.reject(new SentryError('SDK not enabled, will not capture event.'));
     }
@@ -532,7 +541,7 @@ export abstract class BaseClient<B extends Backend, O extends Options> implement
     // 0.0 === 0% events are sent
     // Sampling for transaction happens somewhere else
     if (!isTransaction && typeof sampleRate === 'number' && Math.random() > sampleRate) {
-      transport.recordLostEvent?.(Outcome.SampleRate, 'event');
+      recordLostEvent(Outcome.SampleRate, 'event');
       return SyncPromise.reject(
         new SentryError(
           `Discarding event because it's not included in the random sample (sampling rate = ${sampleRate})`,
@@ -543,7 +552,7 @@ export abstract class BaseClient<B extends Backend, O extends Options> implement
     return this._prepareEvent(event, scope, hint)
       .then(prepared => {
         if (prepared === null) {
-          transport.recordLostEvent?.(Outcome.EventProcessor, event.type || 'event');
+          recordLostEvent(Outcome.EventProcessor, event.type || 'event');
           throw new SentryError('An event processor returned null, will not send event.');
         }
 
@@ -557,7 +566,7 @@ export abstract class BaseClient<B extends Backend, O extends Options> implement
       })
       .then(processedEvent => {
         if (processedEvent === null) {
-          transport.recordLostEvent?.(Outcome.BeforeSend, event.type || 'event');
+          recordLostEvent(Outcome.BeforeSend, event.type || 'event');
           throw new SentryError('`beforeSend` returned `null`, will not send event.');
         }
 

packages/core/src/integrations/inboundfilters.ts

@@ -194,7 +194,7 @@ export class InboundFilters implements Integration {
     for (let i = frames.length - 1; i >= 0; i--) {
       const frame = frames[i];
 
-      if (frame?.filename !== '<anonymous>' && frame?.filename !== '[native code]') {
+      if (frame && frame.filename !== '<anonymous>' && frame.filename !== '[native code]') {
         return frame.filename || null;
       }
     }

packages/core/src/sdk.ts

@@ -17,7 +17,10 @@ export function initAndBind<F extends Client, O extends Options>(clientClass: Cl
     logger.enable();
   }
   const hub = getCurrentHub();
-  hub.getScope()?.update(options.initialScope);
+  const scope = hub.getScope();
+  if (scope) {
+    scope.update(options.initialScope);
+  }
   const client = new clientClass(options);
   hub.bindClient(client);
 }