Hide behind a feature flag

Author: gaearon

src/isomorphic/classic/element/__tests__/ReactElementValidator-test.js

@@ -526,7 +526,7 @@ describe('ReactElementValidator', () => {
     );
   });
 
-  it('provides stack via non-standard console.stack for invalid types', () => {
+  it('provides stack via non-standard console.__reactStack for invalid types', () => {
     spyOn(console, 'error');
 
     function Foo() {
@@ -539,8 +539,8 @@ describe('ReactElementValidator', () => {
     }
 
     try {
-      console.stack = jest.fn();
-      console.stackEnd = jest.fn();
+      console.__reactStack = jest.fn();
+      console.__reactStackEnd = jest.fn();
 
       expect(() => {
         ReactTestUtils.renderIntoDocument(React.createElement(App));
@@ -551,10 +551,10 @@ describe('ReactElementValidator', () => {
           'defined in. Check the render method of `Foo`.',
       );
 
-      expect(console.stack.mock.calls.length).toBe(1);
-      expect(console.stackEnd.mock.calls.length).toBe(1);
+      expect(console.__reactStack.mock.calls.length).toBe(1);
+      expect(console.__reactStackEnd.mock.calls.length).toBe(1);
 
-      var stack = console.stack.mock.calls[0][0];
+      var stack = console.__reactStack.mock.calls[0][0];
       expect(Array.isArray(stack)).toBe(true);
       expect(stack.map(frame => frame.name)).toEqual([
         'Foo', // <Bad> is inside Foo
@@ -572,8 +572,8 @@ describe('ReactElementValidator', () => {
         null,
       ]);
     } finally {
-      delete console.stack;
-      delete console.stackEnd;
+      delete console.__reactStack;
+      delete console.__reactStackEnd;
     }
   });
 });

src/isomorphic/hooks/ReactComponentTreeHook.js

@@ -407,7 +407,7 @@ var ReactComponentTreeHook = {
     isCreatingElement: boolean,
     currentSource: ?Source,
   ) {
-    if (typeof console.stack !== 'function') {
+    if (typeof console.__reactStack !== 'function') {
       return;
     }
 
@@ -444,14 +444,14 @@ var ReactComponentTreeHook = {
       // Stop building the stack (it's just a nice to have).
     }
 
-    console.stack(stack);
+    console.__reactStack(stack);
   },
 
   popNonStandardWarningStack() {
-    if (typeof console.stackEnd !== 'function') {
+    if (typeof console.__reactStackEnd !== 'function') {
       return;
     }
-    console.stackEnd();
+    console.__reactStackEnd();
   },
 };
 

src/isomorphic/modern/element/__tests__/ReactJSXElementValidator-test.js

@@ -401,7 +401,7 @@ describe('ReactJSXElementValidator', () => {
     );
   });
 
-  it('provides stack via non-standard console.stack for invalid types', () => {
+  it('provides stack via non-standard console.__reactStack for invalid types', () => {
     spyOn(console, 'error');
 
     function Foo() {
@@ -414,8 +414,8 @@ describe('ReactJSXElementValidator', () => {
     }
 
     try {
-      console.stack = jest.fn();
-      console.stackEnd = jest.fn();
+      console.__reactStack = jest.fn();
+      console.__reactStackEnd = jest.fn();
 
       expect(() => {
         ReactTestUtils.renderIntoDocument(<App />);
@@ -426,10 +426,10 @@ describe('ReactJSXElementValidator', () => {
           'defined in. Check the render method of `Foo`.',
       );
 
-      expect(console.stack.mock.calls.length).toBe(1);
-      expect(console.stackEnd.mock.calls.length).toBe(1);
+      expect(console.__reactStack.mock.calls.length).toBe(1);
+      expect(console.__reactStackEnd.mock.calls.length).toBe(1);
 
-      var stack = console.stack.mock.calls[0][0];
+      var stack = console.__reactStack.mock.calls[0][0];
       expect(Array.isArray(stack)).toBe(true);
       expect(stack.map(frame => frame.name)).toEqual([
         'Foo', // <Bad> is inside Foo
@@ -447,8 +447,8 @@ describe('ReactJSXElementValidator', () => {
         'number',
       ]);
     } finally {
-      delete console.stack;
-      delete console.stackEnd;
+      delete console.__reactStack;
+      delete console.__reactStackEnd;
     }
   });
 });