Enable strictNullChecks for @babel/core
#17611
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liuxingbaoyu
commented
Nov 26, 2025
| // This trick is necessary so that | ||
| // NodePath_Final<A | B> is the same as NodePath_Final<A> | NodePath_Final<B> | ||
| type NodePath_Final<T extends t.Node | null = t.Node> = T extends any | ||
| type NodePath_Final<T extends t.Node | null = t.Node | null> = T extends any |
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Do you think it's better for NodePath to default to NodePath<t.Node> or NodePath<t.Node | null>?
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I think it's more useful without null, since most of the usages of NodePath actually contain a node.
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/60314 |
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nicolo-ribaudo
approved these changes
Nov 28, 2025
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Fixes #1, Fixes #2