ApifyDatasetMappingFunction<Metadata>: ((item: Record<string | number, unknown>) => Toolkit<Metadata> | Toolkit<Metadata>[] | Promise<Toolkit<Metadata> | Toolkit<Metadata>[]>)

A type that represents a function that takes a single object (an Apify dataset item) and converts it to an instance of the Document class.

Change function signature to only be asynchronous for simplicity in v0.1.0 https://github.com/langchain-ai/langchainjs/pull/3262

Type Parameters

  • Metadata extends Record<string, any>