meta: Update changelog for 7.41.0

CHANGELOG.md

@@ -4,6 +4,17 @@
 
 - "You miss 100 percent of the chances you don't take. — Wayne Gretzky" — Michael Scott
 
+## 7.41.0
+
+- feat: Ensure we use the same default `environment` everywhere (#7327)
+- feat(profiling): Add JS self profiling in the browser (#7273)
+- feat(vue): Allow to set `routeLabel: 'path'` to opt-out of using name (#7326)
+- fix(profiling): Guard from throwing if profiler constructor throws (#7328)
+- fix(react): Use namespace import for react router v6 (#7330)
+- fix(remix): Correctly parse `X-Forwarded-For` Http header (#7329)
+
+Work in this release contributed by @OliverJAsh. Thank you for your contribution!
+
 ## 7.40.0
 
 - feat(nextjs): Automatically resolve source of errors in dev mode (#7294)

packages/browser/src/index.ts

@@ -32,3 +32,8 @@ export { Replay } from '@sentry/replay';
 // __ROLLUP_EXCLUDE_OFFLINE_FROM_BUNDLES_BEGIN__
 export { makeBrowserOfflineTransport } from './transports/offline';
 // __ROLLUP_EXCLUDE_OFFLINE_FROM_BUNDLES_END__
+
+// __ROLLUP_EXCLUDE_BROWSER_PROFILING_FROM_BUNDLES_BEGIN__
+export { onProfilingStartRouteTransaction } from './profiling/hubextensions';
+export { BrowserProfilingIntegration } from './profiling/integration';
+// __ROLLUP_EXCLUDE_BROWSER_PROFILING_FROM_BUNDLES_END__

packages/browser/src/profiling/cache.ts

@@ -0,0 +1,72 @@
+import type { Event } from '@sentry/types';
+
+/**
+ * Creates a cache that evicts keys in fifo order
+ * @param size {Number}
+ */
+export function makeProfilingCache<Key extends string, Value extends Event>(
+  size: number,
+): {
+  get: (key: Key) => Value | undefined;
+  add: (key: Key, value: Value) => void;
+  delete: (key: Key) => boolean;
+  clear: () => void;
+  size: () => number;
+} {
+  // Maintain a fifo queue of keys, we cannot rely on Object.keys as the browser may not support it.
+  let evictionOrder: Key[] = [];
+  let cache: Record<string, Value> = {};
+
+  return {
+    add(key: Key, value: Value) {
+      while (evictionOrder.length >= size) {
+        // shift is O(n) but this is small size and only happens if we are
+        // exceeding the cache size so it should be fine.
+        const evictCandidate = evictionOrder.shift();
+
+        if (evictCandidate !== undefined) {
+          // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+          delete cache[evictCandidate];
+        }
+      }
+
+      // in case we have a collision, delete the old key.
+      if (cache[key]) {
+        this.delete(key);
+      }
+
+      evictionOrder.push(key);
+      cache[key] = value;
+    },
+    clear() {
+      cache = {};
+      evictionOrder = [];
+    },
+    get(key: Key): Value | undefined {
+      return cache[key];
+    },
+    size() {
+      return evictionOrder.length;
+    },
+    // Delete cache key and return true if it existed, false otherwise.
+    delete(key: Key): boolean {
+      if (!cache[key]) {
+        return false;
+      }
+
+      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+      delete cache[key];
+
+      for (let i = 0; i < evictionOrder.length; i++) {
+        if (evictionOrder[i] === key) {
+          evictionOrder.splice(i, 1);
+          break;
+        }
+      }
+
+      return true;
+    },
+  };
+}
+
+export const PROFILING_EVENT_CACHE = makeProfilingCache<string, Event>(20);