Function: isCollection()#

function isCollection(value): value is Collection<any, any, any, StandardSchemaV1<unknown, unknown>, any>;

function isCollection(value): value is Collection<any, any, any, StandardSchemaV1<unknown, unknown>, any>;

Defined in: packages/db/src/live-query-adapter.ts:22

Structural check for a live-query/Collection instance.

Uses duck typing rather than instanceof CollectionImpl on purpose: adapters and core can resolve to different copies of @tanstack/db (dual-package / multi-realm), where instanceof gives false negatives. The three methods below uniquely identify a Collection.

Parameters#

value#

unknown

Returns#

value is Collection<any, any, any, StandardSchemaV1<unknown, unknown>, any>