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TanStack · Function

isCancelledError

isCancelledError checks whether a value is a CancelledError. It is deprecated; use instanceof CancelledError instead.

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Syntax

function isCancelledError(value: any): value is CancelledError;

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  • CancelledError
  • instanceof CancelledError
  • retryer.ts

Source: isCancelledError | TanStack Query Svelte Docs. Checked 2026-11-03.