fix: may as well just check for presence of zone

patches/@rrweb__record@2.0.0-alpha.17.patch

@@ -1,45 +1,32 @@
 diff --git a/dist/record.js b/dist/record.js
-index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83a7e17c58 100644
+index 46ec389fefb698243008b39db65470dbdf0a3857..efc65d8c393de8d0ad35083cba315aef91a04c2c 100644
 --- a/dist/record.js
 +++ b/dist/record.js
-@@ -26,6 +26,27 @@ const testableMethods$1 = {
+@@ -26,6 +26,14 @@ const testableMethods$1 = {
    Element: [],
    MutationObserver: ["constructor"]
  };
-+const isFunction = (x) => typeof x === 'function';
-+const isAngularZonePatchedFunction = (x) => {
++
++const isAngularZonePresent = () => {
 +  try {
-+    if (!isFunction(x)) {
-+        return false;
-+    }
-+    // if Angular has a zone, then whatever this is could be tainted
-+    if (globalThis.Zone) {
-+      return true
-+    }
-+    for (const key of Object.getOwnPropertyNames(x || {})) {
-+        if (key.indexOf('__zone') !== -1) {
-+            return true;
-+        }
-+    }
-+    return false
++    return !!globalThis.Zone
 +  } catch {
-+    // we've seen some intermittent problems in Safari since introducing this check
 +    return false
 +  }
 +}
  const untaintedBasePrototype$1 = {};
  function getUntaintedPrototype$1(key) {
    if (untaintedBasePrototype$1[key])
-@@ -54,7 +75,7 @@ function getUntaintedPrototype$1(key) {
+@@ -54,7 +62,7 @@ function getUntaintedPrototype$1(key) {
        }
      )
    );
 -  if (isUntaintedAccessors && isUntaintedMethods) {
-+  if (isUntaintedAccessors && isUntaintedMethods && !isAngularZonePatchedFunction(defaultObj)) {
++  if (isUntaintedAccessors && isUntaintedMethods && !isAngularZonePresent()) {
      untaintedBasePrototype$1[key] = defaultObj.prototype;
      return defaultObj.prototype;
    }
-@@ -65,10 +86,10 @@ function getUntaintedPrototype$1(key) {
+@@ -65,10 +73,10 @@ function getUntaintedPrototype$1(key) {
      if (!win) return defaultObj.prototype;
      const untaintedObject = win[key].prototype;
      document.body.removeChild(iframeEl);
@@ -52,7 +39,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
    }
  }
  const untaintedAccessorCache$1 = {};
-@@ -246,6 +267,9 @@ function isCSSImportRule(rule2) {
+@@ -246,6 +254,9 @@ function isCSSImportRule(rule2) {
  function isCSSStyleRule(rule2) {
    return "selectorText" in rule2;
  }
@@ -62,7 +49,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
  class Mirror {
    constructor() {
      __publicField$1(this, "idNodeMap", /* @__PURE__ */ new Map());
-@@ -809,9 +833,14 @@ function serializeElementNode(n2, options) {
+@@ -809,9 +820,14 @@ function serializeElementNode(n2, options) {
      }
    }
    if (tagName === "link" && inlineStylesheet) {
@@ -80,7 +67,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
      let cssText = null;
      if (stylesheet) {
        cssText = stringifyStylesheet(stylesheet);
-@@ -855,7 +884,15 @@ function serializeElementNode(n2, options) {
+@@ -855,7 +871,15 @@ function serializeElementNode(n2, options) {
      }
    }
    if (tagName === "dialog" && n2.open) {
@@ -97,7 +84,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
    }
    if (tagName === "canvas" && recordCanvas) {
      if (n2.__context === "2d") {
-@@ -1116,7300 +1153,227 @@ function serializeNodeWithId(n2, options) {
+@@ -1116,7300 +1140,227 @@ function serializeNodeWithId(n2, options) {
        keepIframeSrcFn
      };
      if (serializedNode.type === NodeType$2.Element && serializedNode.tagName === "textarea" && serializedNode.attributes.value !== void 0) ;
@@ -7607,7 +7594,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
  class BaseRRNode {
    // eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any
    constructor(..._args) {
-@@ -8507,7 +1471,7 @@ function getUntaintedPrototype(key) {
+@@ -8507,7 +1458,7 @@ function getUntaintedPrototype(key) {
        }
      )
    );
@@ -7616,7 +7603,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
      untaintedBasePrototype[key] = defaultObj.prototype;
      return defaultObj.prototype;
    }
-@@ -11382,11 +4346,19 @@ class CanvasManager {
+@@ -11382,11 +4333,19 @@ class CanvasManager {
      let rafId;
      const getCanvas = () => {
        const matchedCanvas = [];
@@ -7641,7 +7628,7 @@ index 46ec389fefb698243008b39db65470dbdf0a3857..6c62dab78676066344afb27976dd7d83
        return matchedCanvas;
      };
      const takeCanvasSnapshots = (timestamp) => {
-@@ -11407,13 +4379,20 @@ class CanvasManager {
+@@ -11407,13 +4366,20 @@ class CanvasManager {
              context.clear(context.COLOR_BUFFER_BIT);
            }
          }

src/utils/prototype-utils.ts

@@ -5,7 +5,7 @@
  */
 
 import { AssignableWindow } from './globals'
-import { isAngularZonePatchedFunction, isFunction, isNativeFunction } from './type-utils'
+import { isAngularZonePresent, isFunction, isNativeFunction } from './type-utils'
 import { logger } from './logger'
 
 interface NativeImplementationsCache {
@@ -25,7 +25,7 @@ export function getNativeImplementation<T extends keyof NativeImplementationsCac
 
     let impl = assignableWindow[name] as NativeImplementationsCache[T]
 
-    if (isNativeFunction(impl) && !isAngularZonePatchedFunction(impl)) {
+    if (isNativeFunction(impl) && !isAngularZonePresent()) {
         return (cachedImplementations[name] = impl.bind(assignableWindow) as NativeImplementationsCache[T])
     }
 

src/utils/type-utils.ts

@@ -1,4 +1,5 @@
 import { includes } from '.'
+import { window } from './globals'
 import { knownUnsafeEditableEvent, KnownUnsafeEditableEvent } from '../types'
 
 // eslint-disable-next-line posthog-js/no-direct-array-check
@@ -24,13 +25,9 @@ export const isFunction = (x: unknown): x is (...args: any[]) => any => {
 export const isNativeFunction = (x: unknown): x is (...args: any[]) => any =>
     isFunction(x) && x.toString().indexOf('[native code]') !== -1
 
-// When angular patches functions they pass the above `isNativeFunction` check
-export const isAngularZonePatchedFunction = (x: unknown): boolean => {
-    if (!isFunction(x)) {
-        return false
-    }
-    const prototypeKeys = Object.getOwnPropertyNames(x.prototype || {})
-    return prototypeKeys.some((key) => key.indexOf('__zone'))
+// When angular patches functions they pass the above `isNativeFunction` check (at least the MutationObserver)
+export const isAngularZonePresent = (): boolean => {
+    return !!(window as any).Zone
 }
 
 // Underscore Addons