feat(gatsby): Add optional deleteSourcemapsAfterUpload

packages/gatsby/README.md

@@ -64,6 +64,23 @@ module.exports = {
   ],
 };
 ```
+Additionally, you can delete source map files after they have been uploaded by setting the `deleteSourcemapsAfterUpload`
+option to be `true`.
+
+```javascript
+module.exports = {
+  // ...
+  plugins: [
+    {
+      resolve: '@sentry/gatsby',
+      options: {
+        deleteSourcemapsAfterUpload: true,
+      },
+    },
+    // ...
+  ],
+};
+```
 
 ## Links
 

packages/gatsby/gatsby-node.js

@@ -7,12 +7,15 @@ const SENTRY_USER_CONFIG = ['./sentry.config.js', './sentry.config.ts'];
 exports.onCreateWebpackConfig = ({ getConfig, actions }, options) => {
   const enableClientWebpackPlugin = options.enableClientWebpackPlugin !== false;
   if (process.env.NODE_ENV === 'production' && enableClientWebpackPlugin) {
+    const deleteSourcemapsAfterUpload = options.deleteSourcemapsAfterUpload === true;
     actions.setWebpackConfig({
       plugins: [
         sentryWebpackPlugin({
           sourcemaps: {
             // Only include files from the build output directory
             assets: ['./public/**'],
+            // Delete source files after uploading
+            filesToDeleteAfterUpload: deleteSourcemapsAfterUpload ? ['./public/**/*.map'] : undefined,
             // Ignore files that aren't users' source code related
             ignore: [
               'polyfill-*', // related to polyfills

packages/gatsby/test/gatsby-node.test.ts

@@ -1,4 +1,11 @@
 import { onCreateWebpackConfig } from '../gatsby-node';
+import { sentryWebpackPlugin } from '@sentry/webpack-plugin';
+
+jest.mock('@sentry/webpack-plugin', () => ({
+  sentryWebpackPlugin: jest.fn().mockReturnValue({
+    apply: jest.fn(),
+  }),
+}));
 
 describe('onCreateWebpackConfig', () => {
   let originalNodeEnv: string | undefined;
@@ -12,6 +19,10 @@ describe('onCreateWebpackConfig', () => {
     process.env.NODE_ENV = originalNodeEnv;
   });
 
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
   it('sets a webpack config', () => {
     const actions = {
       setWebpackConfig: jest.fn(),
@@ -36,4 +47,24 @@ describe('onCreateWebpackConfig', () => {
 
     expect(actions.setWebpackConfig).toHaveBeenCalledTimes(0);
   });
+
+  it('sets sourceMapFilesToDeleteAfterUpload when provided in options', () => {
+    const actions = {
+      setWebpackConfig: jest.fn(),
+    };
+
+    const getConfig = jest.fn();
+
+    onCreateWebpackConfig({ actions, getConfig }, { deleteSourcemapsAfterUpload: true });
+
+    expect(actions.setWebpackConfig).toHaveBeenCalledTimes(1);
+
+    expect(sentryWebpackPlugin).toHaveBeenCalledWith(
+      expect.objectContaining({
+        sourcemaps: expect.objectContaining({
+          filesToDeleteAfterUpload: ['./public/**/*.map'],
+        }),
+      })
+    );
+  });
 });