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JavaScript@langchain/corelanguage_modelscompat

Module●Since v1.1

language_models/compat

Functions

View source on GitHub

convertChunksToEvents→ AsyncGenerator<ChatModelStreamEvent>

Convert an async iterable of legacy ChatGenerationChunks into ChatModelStreamEvents with typed deltas.

finalizeContentBlock→ ContentBlock

Finalize a content block for the finish event. For tool calls, parse the accumulated JSON args string.

Compatibility bridge: converts legacy _streamResponseChunks (ChatGenerationChunk / AIMessageChunk) output to the new ChatModelStreamEvent protocol.

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import { ... } from "@langchain/core/language_models/compat";