feat(browser): Handles data URIs in chrome stack frames

Author: timfish

packages/browser/src/stack-parsers.ts

@@ -61,10 +61,21 @@ const chromeRegex =
 
 const chromeEvalRegex = /\((\S*)(?::(\d+))(?::(\d+))\)/;
 
+//  at dynamicFn (data:application/javascript,export function dynamicFn() {...
+const chromeDataUriRegex = /at (.+?) ?\(data:(.+?),/;
+
 // Chromium based browsers: Chrome, Brave, new Opera, new Edge
 // We cannot call this variable `chrome` because it can conflict with global `chrome` variable in certain environments
 // See: https://github.com/getsentry/sentry-javascript/issues/6880
 const chromeStackParserFn: StackLineParserFn = line => {
+  const dataUriMatch = line.match(chromeDataUriRegex);
+  if (dataUriMatch) {
+    return {
+      filename: `<data:${dataUriMatch[2]}>`,
+      function: dataUriMatch[1],
+    };
+  }
+
   // If the stack line has no function name, we need to parse it differently
   const noFnParts = chromeRegexNoFnName.exec(line) as null | [string, string, string, string];
 

packages/browser/test/tracekit/chromium.test.ts

@@ -741,4 +741,55 @@ describe('Tracekit - Chrome Tests', () => {
       value: 'memory access out of bounds',
     });
   });
+
+  it('should correctly parse with data uris', () => {
+    const DATA_URI_ERROR = {
+      message: 'Error from data-uri module',
+      name: 'Error',
+      stack: `Error: Error from data-uri module
+                at dynamicFn (data:application/javascript,export function dynamicFn() {  throw new Error('Error from data-uri module');};:1:38)
+                at loadDodgyModule (file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs:8:5)
+                at async callSomeFunction (file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs:12:5)
+                at async file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs:16:5`,
+    };
+
+    const ex = exceptionFromError(parser, DATA_URI_ERROR);
+
+    // This is really ugly but the wasm integration should clean up these stack frames
+    expect(ex).toStrictEqual({
+      stacktrace: {
+        frames: [
+          {
+            colno: 5,
+            filename: 'file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs',
+            function: '?',
+            in_app: true,
+            lineno: 16,
+          },
+          {
+            colno: 5,
+            filename: 'file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs',
+            function: 'async callSomeFunction',
+            in_app: true,
+            lineno: 12,
+          },
+          {
+            colno: 5,
+            filename: 'file:///Users/tim/Documents/Repositories/data-uri-tests/index.mjs',
+            function: 'loadDodgyModule',
+            in_app: true,
+            lineno: 8,
+          },
+          {
+            filename: '<data:application/javascript>',
+            function: 'dynamicFn',
+          }
+        ]
+      },
+      type: 'Error',
+      value: 'Error from data-uri module',
+    });
+  });
 });
+
+