Handle anonymous components in fallback

cursoragent · cursoragent · commit bcb217127756 · 2026-02-24T23:23:52.000Z
diff --git a/exercises/06.rerenders/01.problem.memo/tests/memoized.test.ts b/exercises/06.rerenders/01.problem.memo/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only ListItem should not rerender when clicking force rerender', async ({
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 
diff --git a/exercises/06.rerenders/01.solution.memo/tests/memoized.test.ts b/exercises/06.rerenders/01.solution.memo/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only ListItem should not rerender when clicking force rerender', async ({
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 
diff --git a/exercises/06.rerenders/02.problem.comparator/tests/memoized.test.ts b/exercises/06.rerenders/02.problem.comparator/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 
diff --git a/exercises/06.rerenders/02.solution.comparator/tests/memoized.test.ts b/exercises/06.rerenders/02.solution.comparator/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 
diff --git a/exercises/06.rerenders/03.problem.primitives/tests/memoized.test.ts b/exercises/06.rerenders/03.problem.primitives/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 
diff --git a/exercises/06.rerenders/03.solution.primitives/tests/memoized.test.ts b/exercises/06.rerenders/03.solution.primitives/tests/memoized.test.ts
@@ -68,10 +68,8 @@ test('Only two ListItems should not rerender when the highlighted item changes',
 						if (!isUserCodeFiberTag(fiber.tag)) continue
 						if (!didFiberRender(fiber.alternate, fiber)) continue
 
-						const componentName = getFiberDisplayName(fiber)
-						if (componentName) {
-							activeFallbackComponentNames.push(componentName)
-						}
+						const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'
+						activeFallbackComponentNames.push(componentName)
 					}
 				}
 

Original file line number	Diff line number	Diff line change
`@@ -68,10 +68,8 @@ test('Only ListItem should not rerender when clicking force rerender', async ({`
`68`	`68`	`if (!isUserCodeFiberTag(fiber.tag)) continue`
`69`	`69`	`if (!didFiberRender(fiber.alternate, fiber)) continue`
`70`	`70`
`71`		`- const componentName = getFiberDisplayName(fiber)`
`72`		`- if (componentName) {`
`73`		`- activeFallbackComponentNames.push(componentName)`
`74`		`- }`
	`71`	`+ const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'`
	`72`	`+ activeFallbackComponentNames.push(componentName)`
`75`	`73`	`}`
`76`	`74`	`}`
`77`	`75`
Original file line number	Diff line number	Diff line change
`@@ -68,10 +68,8 @@ test('Only two ListItems should not rerender when the highlighted item changes',`
`68`	`68`	`if (!isUserCodeFiberTag(fiber.tag)) continue`
`69`	`69`	`if (!didFiberRender(fiber.alternate, fiber)) continue`
`70`	`70`
`71`		`- const componentName = getFiberDisplayName(fiber)`
`72`		`- if (componentName) {`
`73`		`- activeFallbackComponentNames.push(componentName)`
`74`		`- }`
	`71`	`+ const componentName = getFiberDisplayName(fiber) ?? 'Anonymous'`
	`72`	`+ activeFallbackComponentNames.push(componentName)`
`75`	`73`	`}`
`76`	`74`	`}`
`77`	`75`