Kismet Hasanaj
29 lines
1011 B
TypeScript
29 lines
1011 B
TypeScript
/**
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* Vary Params Decoding
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*
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* This module is shared between server and client.
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*/
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export type VaryParams = Set<string>;
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type FulfilledVaryParamsThenable = {
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status: 'fulfilled';
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value: VaryParams;
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} & PromiseLike<VaryParams>;
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type PendingVaryParamsThenable = {
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status: 'pending' | 'resolved_model';
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value: unknown;
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} & PromiseLike<VaryParams>;
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export type VaryParamsThenable = FulfilledVaryParamsThenable | PendingVaryParamsThenable;
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/**
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* Synchronously reads vary params from a thenable.
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*
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* By the time this is called (client-side or in collectSegmentData), the
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* thenable should already be fulfilled because the Flight stream has been
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* fully received. We check the status synchronously to avoid unnecessary
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* microtasks.
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*
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* Returns null if the thenable is still pending (which shouldn't happen in
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* normal operation - it indicates the server failed to track vary params).
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*/
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export declare function readVaryParams(thenable: VaryParamsThenable): VaryParams | null;
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export {};
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