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Malte UblandClaude Opus 5.5
5ffc20450e
Message types from SDK declarations often use shapes scriptc refused:
- `{ [key: string]: any }` and `Dictionary<any>` (also a bare
`Dictionary<T = any>`): the overflow values are checked-dynamic, like
`Record<string, unknown>`'s.
- `any[]` members an interface, type literal or class declares, also
optional or nullable: the checked-dynamic array, as `unknown[]` maps.
An object literal's inferred `any[]` member keeps its existing story.
- A class a types-only package declares with public fields only (aws-sdk's
`declare class PresignedPost { url: string; fields: Fields }`, with a
merged namespace of types): it describes JSON data and is never
constructed, so it maps structurally like an interface.
- `Pick<C, K>` and `Omit<C, K>` over a program class, when the view exposes
a method: like an interface the class matches, it keeps a live receiver,
so calls through the view run on the instance.
A record blocked by a member deep inside it now names that member's path
(`member 'poll().jobs[].handle' has type ...`) instead of the outermost
member only; a member holding `any` is named itself.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
20 lines
534 B
TypeScript
20 lines
534 B
TypeScript
// A record blocked by a member deep inside it names the member's path:
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// through a function's result (`()`), the promise and union around it,
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// record members (`.name`) and array elements (`[]`).
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interface Job {
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id: string;
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handle: Promise<number> & { cancel(): void };
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}
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interface Order {
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id: string;
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jobs: Job[];
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}
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interface Provider {
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name: string;
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poll: () => Promise<Order | undefined>;
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}
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function makeProvider(): Provider {
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return { name: "p", poll: async () => undefined };
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}
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console.log(makeProvider().name);
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