1481b2649f
### What? When accessing `params` on a `RootLayout`, while also using parallel routes, two potential errors would occur: - A `Warning: React.createElement: type is invalid` error when attempting to render a `NotFound` component that doesn't exist - A `TypeError: Cannot read properties of undefined` error when attempting to access params in the root layout. ### Why? `createComponentTree` will render a duplicate `RootLayout` (to ensure the `notFound()` fallback in unmatched parallel slots have a `NotFoundBoundary` to catch them) but it currently doesn't ensure a `NotFound` component exists nor does it forward `params` to the layout. ### How? This forwards the params to the `RootLayout` and doesn't render a `NotFoundComponent` if one doesn't exist. This replaces a few `any` types with more sound types that would have helped catch these mistakes. There's still a lot more typing that needs to be done (left a comment below with some additional details) but I opted to make the minimal changes related to this issue. Longer term we should remove this duplicate `RootLayout` (see #60220) which will require special UI to show unmatched slots (similar to the error overlay, but less harsh) Closes NEXT-1909 Fixes #59711
3 lines
76 B
TypeScript
3 lines
76 B
TypeScript
export default function NotFound() {
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return <div>Custom Not Found</div>
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}
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