chore(typescript): Enable strictNullChecks for the SDK source (#4760)

Author: krystofwoldrich

packages/core/src/js/feedback/FeedbackWidget.tsx

@@ -26,9 +26,7 @@ import { base64ToUint8Array, feedbackAlertDialog, isValidEmail  } from './utils'
  * Implements a feedback form screen that sends feedback to Sentry using Sentry.captureFeedback.
  */
 export class FeedbackWidget extends React.Component<FeedbackWidgetProps, FeedbackWidgetState> {
-  public static defaultProps: Partial<FeedbackWidgetProps> = {
-    ...defaultConfiguration
-  }
+  public static defaultProps = defaultConfiguration;
 
   private static _savedState: Omit<FeedbackWidgetState, 'isVisible'> = {
     name: '',
@@ -67,7 +65,7 @@ export class FeedbackWidget extends React.Component<FeedbackWidgetProps, Feedbac
   public handleFeedbackSubmit: () => void = () => {
     const { name, email, description } = this.state;
     const { onSubmitSuccess, onSubmitError, onFormSubmitted } = this.props;
-    const text: FeedbackTextConfiguration = this.props;
+    const text = this.props;
 
     const trimmedName = name?.trim();
     const trimmedEmail = email?.trim();
@@ -119,14 +117,14 @@ export class FeedbackWidget extends React.Component<FeedbackWidgetProps, Feedbac
 
   public onScreenshotButtonPress: () => void = async () => {
     if (!this.state.filename && !this.state.attachment) {
-      const imagePickerConfiguration: ImagePickerConfiguration = this.props;
-      if (imagePickerConfiguration.imagePicker) {
-        const launchImageLibrary = imagePickerConfiguration.imagePicker.launchImageLibraryAsync
+      const { imagePicker } = this.props;
+      if (imagePicker) {
+        const launchImageLibrary = imagePicker.launchImageLibraryAsync
           // expo-image-picker library is available
-          ? () => imagePickerConfiguration.imagePicker.launchImageLibraryAsync({ mediaTypes: ['images'], base64: isWeb() })
+          ? () => imagePicker.launchImageLibraryAsync?.({ mediaTypes: ['images'], base64: isWeb() })
           // react-native-image-picker library is available
-          : imagePickerConfiguration.imagePicker.launchImageLibrary
-            ? () => imagePickerConfiguration.imagePicker.launchImageLibrary({ mediaType: 'photo', includeBase64: isWeb() })
+          : imagePicker.launchImageLibrary
+            ? () => imagePicker.launchImageLibrary?.({ mediaType: 'photo', includeBase64: isWeb() })
             : null;
         if (!launchImageLibrary) {
           logger.warn('No compatible image picker library found. Please provide a valid image picker library.');
@@ -140,22 +138,22 @@ export class FeedbackWidget extends React.Component<FeedbackWidgetProps, Feedbac
         }
 
         const result = await launchImageLibrary();
-        if (result.assets && result.assets.length > 0) {
+        if (result?.assets && result.assets.length > 0) {
           if (isWeb()) {
-            const filename = result.assets[0].fileName;
-            const imageUri = result.assets[0].uri;
-            const base64 = result.assets[0].base64;
-            const data = base64ToUint8Array(base64);
-            if (data != null) {
+            const filename = result.assets[0]?.fileName;
+            const imageUri = result.assets[0]?.uri;
+            const base64 = result.assets[0]?.base64;
+            const data = base64 ? base64ToUint8Array(base64) : undefined;
+            if (data) {
               this.setState({ filename, attachment: data, attachmentUri: imageUri });
             } else {
               logger.error('Failed to read image data on the web');
             }
           } else {
-            const filename = result.assets[0].fileName;
-            const imageUri = result.assets[0].uri;
-            getDataFromUri(imageUri).then((data) => {
-              if (data != null) {
+            const filename = result.assets[0]?.fileName;
+            const imageUri = result.assets[0]?.uri;
+            imageUri && getDataFromUri(imageUri).then((data) => {
+              if (data) {
                 this.setState({ filename, attachment: data, attachmentUri: imageUri });
               } else {
                 logger.error('Failed to read image data from uri:', imageUri);

packages/core/src/js/feedback/FeedbackWidget.types.ts

@@ -21,38 +21,38 @@ export interface FeedbackGeneralConfiguration {
    *
    * @default true
    */
-  showBranding?: boolean;
+  showBranding: boolean;
 
   /**
    * Should the email field be required?
    */
-  isEmailRequired?: boolean;
+  isEmailRequired: boolean;
 
   /**
    * Should the email field be validated?
    */
-  shouldValidateEmail?: boolean;
+  shouldValidateEmail: boolean;
 
   /**
    * Should the name field be required?
    */
-  isNameRequired?: boolean;
+  isNameRequired: boolean;
 
   /**
    * Should the email input field be visible? Note: email will still be collected if set via `Sentry.setUser()`
    */
-  showEmail?: boolean;
+  showEmail: boolean;
 
   /**
    * Should the name input field be visible? Note: name will still be collected if set via `Sentry.setUser()`
    */
-  showName?: boolean;
+  showName: boolean;
 
   /**
    * This flag determines whether the "Add Screenshot" button is displayed
    * @default false
    */
-  enableScreenshot?: boolean;
+  enableScreenshot: boolean;
 
   /**
    * Fill in email/name input fields with Sentry user context if it exists.
@@ -71,32 +71,32 @@ export interface FeedbackTextConfiguration {
   /**
    * The label for the Feedback form cancel button that closes dialog
    */
-  cancelButtonLabel?: string;
+  cancelButtonLabel: string;
 
   /**
    * The label for the Feedback form submit button that sends feedback
    */
-  submitButtonLabel?: string;
+  submitButtonLabel: string;
 
   /**
    * The title of the Feedback form
    */
-  formTitle?: string;
+  formTitle: string;
 
   /**
    * Label for the email input
    */
-  emailLabel?: string;
+  emailLabel: string;
 
   /**
    * Placeholder text for Feedback email input
    */
-  emailPlaceholder?: string;
+  emailPlaceholder: string;
 
   /**
    * Label for the message input
    */
-  messageLabel?: string;
+  messageLabel: string;
 
   /**
    * Placeholder text for Feedback message input
@@ -106,52 +106,52 @@ export interface FeedbackTextConfiguration {
   /**
    * Label for the name input
    */
-  nameLabel?: string;
+  nameLabel: string;
 
   /**
    * Message after feedback was sent successfully
    */
-  successMessageText?: string;
+  successMessageText: string;
 
   /**
    * Placeholder text for Feedback name input
    */
-  namePlaceholder?: string;
+  namePlaceholder: string;
 
   /**
    * Text which indicates that a field is required
    */
-  isRequiredLabel?: string;
+  isRequiredLabel: string;
 
   /**
    * The label for the button that adds a screenshot and renders the image editor
    */
-  addScreenshotButtonLabel?: string;
+  addScreenshotButtonLabel: string;
 
   /**
    * The label for the button that removes a screenshot and hides the image editor
    */
-  removeScreenshotButtonLabel?: string;
+  removeScreenshotButtonLabel: string;
 
   /**
    * The title of the error dialog
    */
-  errorTitle?: string;
+  errorTitle: string;
 
   /**
    * The error message when the form is invalid
    */
-  formError?: string;
+  formError: string;
 
   /**
    * The error message when the email is invalid
    */
-  emailError?: string;
+  emailError: string;
 
   /**
    * Message when there is a generic error
    */
-  genericError?: string;
+  genericError: string;
 }
 
 /**
@@ -161,34 +161,34 @@ export interface FeedbackCallbacks {
   /**
    * Callback when form is opened
    */
-  onFormOpen?: () => void;
+  onFormOpen: () => void;
 
   /**
    * Callback when form is closed and not submitted
    */
-  onFormClose?: () => void;
+  onFormClose: () => void;
 
   /**
    * Callback when a screenshot is added
    */
-  onAddScreenshot?: (addScreenshot: (uri: string) => void) => void;
+  onAddScreenshot: (addScreenshot: (uri: string) => void) => void;
 
   /**
    * Callback when feedback is successfully submitted
    *
    * After this you'll see a SuccessMessage on the screen for a moment.
    */
-  onSubmitSuccess?: (data: FeedbackFormData) => void;
+  onSubmitSuccess: (data: FeedbackFormData) => void;
 
   /**
    * Callback when feedback is unsuccessfully submitted
    */
-  onSubmitError?: (error: Error) => void;
+  onSubmitError: (error: Error) => void;
 
   /**
    * Callback when the feedback form is submitted successfully, and the SuccessMessage is complete, or dismissed
    */
-  onFormSubmitted?: () => void;
+  onFormSubmitted: () => void;
 }
 
 /**

packages/core/src/js/feedback/FeedbackWidgetManager.tsx

@@ -15,6 +15,10 @@ const PULL_DOWN_CLOSE_THRESHOLD = 200;
 const SLIDE_ANIMATION_DURATION = 200;
 const BACKGROUND_ANIMATION_DURATION = 200;
 
+const NOOP_SET_VISIBILITY = (): void => {
+  // No-op
+};
+
 class FeedbackWidgetManager {
   private static _isVisible = false;
   private static _setVisibility: (visible: boolean) => void;
@@ -28,22 +32,24 @@ class FeedbackWidgetManager {
    */
   public static reset(): void {
     this._isVisible = false;
-    this._setVisibility = undefined;
+    this._setVisibility = NOOP_SET_VISIBILITY;
   }
 
   public static show(): void {
-    if (this._setVisibility) {
+    if (this._setVisibility !== NOOP_SET_VISIBILITY) {
       this._isVisible = true;
       this._setVisibility(true);
     } else {
       // This message should be always shown otherwise it's not possible to use the widget.
       // eslint-disable-next-line no-console
-      console.warn('[Sentry] FeedbackWidget requires `Sentry.wrap(RootComponent)` to be called before `showFeedbackWidget()`.');
+      console.warn(
+        '[Sentry] FeedbackWidget requires `Sentry.wrap(RootComponent)` to be called before `showFeedbackWidget()`.',
+      );
     }
   }
 
   public static hide(): void {
-    if (this._setVisibility) {
+    if (this._setVisibility !== NOOP_SET_VISIBILITY) {
       this._isVisible = false;
       this._setVisibility(false);
     } else {

packages/core/src/js/feedback/defaults.ts

@@ -19,7 +19,7 @@ const ADD_SCREENSHOT_LABEL = 'Add a screenshot';
 const REMOVE_SCREENSHOT_LABEL = 'Remove screenshot';
 const GENERIC_ERROR_TEXT = 'Unable to send feedback due to an unexpected error.';
 
-export const defaultConfiguration: Partial<FeedbackWidgetProps> = {
+export const defaultConfiguration: FeedbackWidgetProps = {
   // FeedbackCallbacks
   onFormOpen: () => {
     // Does nothing by default

packages/core/src/js/feedback/integration.ts

@@ -8,7 +8,7 @@ type FeedbackIntegration = Integration & {
   options: Partial<FeedbackWidgetProps>;
 };
 
-export const feedbackIntegration = (initOptions: FeedbackWidgetProps = {}): FeedbackIntegration => {
+export const feedbackIntegration = (initOptions: Partial<FeedbackWidgetProps> = {}): FeedbackIntegration => {
   return {
     name: MOBILE_FEEDBACK_INTEGRATION_NAME,
     options: initOptions,

packages/core/src/js/feedback/utils.ts

@@ -15,7 +15,7 @@ declare global {
  */
 export function isModalSupported(): boolean {
   const { major, minor } = ReactNativeLibraries.ReactNativeVersion?.version || {};
-  return !(isFabricEnabled() && major === 0 && minor < 71);
+  return !(isFabricEnabled() && major === 0 && minor && minor < 71);
 }
 
 export const isValidEmail = (email: string): boolean => {

packages/core/src/js/integrations/debugsymbolicator.ts

@@ -131,7 +131,7 @@ async function convertReactNativeFramesToSentryFrames(frames: ReactNative.StackF
  * @param event Event
  * @param frames StackFrame[]
  */
-function replaceExceptionFramesInException(exception: Exception, frames: SentryStackFrame[]): void {
+function replaceExceptionFramesInException(exception: Exception | undefined, frames: SentryStackFrame[]): void {
   if (exception?.stacktrace) {
     exception.stacktrace.frames = frames.reverse();
   }

packages/core/src/js/integrations/debugsymbolicatorutils.ts

@@ -20,7 +20,14 @@ export async function fetchSourceContext(frames: SentryStackFrame[]): Promise<Se
         return;
       }
 
-      xhr.open('POST', getSentryMetroSourceContextUrl(), true);
+      const url = getSentryMetroSourceContextUrl();
+      if (!url) {
+        logger.error('Could not fetch source context. No dev server URL found.');
+        resolve(frames);
+        return;
+      }
+
+      xhr.open('POST', url, true);
       xhr.setRequestHeader('Content-Type', 'application/json');
       xhr.send(JSON.stringify({ stack: frames }));
 
@@ -52,8 +59,14 @@ export async function fetchSourceContext(frames: SentryStackFrame[]): Promise<Se
   });
 }
 
-function getSentryMetroSourceContextUrl(): string {
-  return `${getDevServer().url}__sentry/context`;
+function getSentryMetroSourceContextUrl(): string | undefined {
+  const devServer = getDevServer();
+
+  if (!devServer) {
+    return undefined;
+  }
+
+  return `${devServer.url}__sentry/context`;
 }
 
 /**

packages/core/src/js/integrations/default.ts

@@ -142,8 +142,8 @@ export function getDefaultIntegrations(options: ReactNativeClientOptions): Integ
 
   if (!hasReplayOptions && hasExperimentsReplayOptions) {
     // Remove in the next major version (v7)
-    options.replaysOnErrorSampleRate = options._experiments.replaysOnErrorSampleRate;
-    options.replaysSessionSampleRate = options._experiments.replaysSessionSampleRate;
+    options.replaysOnErrorSampleRate = options._experiments?.replaysOnErrorSampleRate;
+    options.replaysSessionSampleRate = options._experiments?.replaysSessionSampleRate;
   }
 
   if ((hasReplayOptions || hasExperimentsReplayOptions) && notWeb()) {

packages/core/src/js/integrations/screenshot.ts

@@ -18,13 +18,13 @@ export const screenshotIntegration = (): Integration => {
 };
 
 async function processEvent(event: Event, hint: EventHint, client: ReactNativeClient): Promise<Event> {
-  const hasException = event.exception?.values?.length > 0;
+  const hasException = event.exception?.values && event.exception.values.length > 0;
   if (!hasException || client.getOptions().beforeScreenshot?.(event, hint) === false) {
     return event;
   }
 
   const screenshots: ScreenshotAttachment[] | null = await NATIVE.captureScreenshot();
-  if (screenshots?.length > 0) {
+  if (screenshots && screenshots.length > 0) {
     hint.attachments = [...screenshots, ...(hint?.attachments || [])];
   }