isDocumentTitleChangedEvent()

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isDocumentTitleChangedEvent() function

This API is provided as an alpha preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

Type guard for IDocumentTitleChangedEvent.

Signature:

export declare function isDocumentTitleChangedEvent(obj: unknown): obj is IDocumentTitleChangedEvent;

Parameters

Parameter	Type	Description
obj	unknown

Returns:

obj is IDocumentTitleChangedEvent

Remarks

Validates the payload shape too (not just the type), so a malformed event — e.g. one emitted from JS or a mismatched remote module without the expected payload — is rejected rather than narrowed to a type whose later payload.pageTitle access would throw.