Count initial mounts in fallback render tracking

Author: cursoragent

exercises/06.rerenders/01.problem.memo/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only ListItem should not rerender when clicking force rerender', async ({
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

exercises/06.rerenders/01.solution.memo/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only ListItem should not rerender when clicking force rerender', async ({
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

exercises/06.rerenders/02.problem.comparator/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

exercises/06.rerenders/02.solution.comparator/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

exercises/06.rerenders/03.problem.primitives/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

exercises/06.rerenders/03.solution.primitives/tests/memoized.test.ts

@@ -50,7 +50,7 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 				}
 
 				function didFiberRender(previousFiber, nextFiber) {
-					if (!previousFiber) return false
+					if (!previousFiber) return true
 					return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 				}
 

shared/get-component-calls.tsx

@@ -54,7 +54,7 @@ function getFiberDisplayName(fiber: any) {
 }
 
 function didFiberRender(previousFiber: any, nextFiber: any) {
-	if (!previousFiber) return false
+	if (!previousFiber) return true
 	return (nextFiber.flags & PerformedWorkFlag) === PerformedWorkFlag
 }