Method _transform

packages/components/src/utils.ts:334–341

(generator: AsyncGenerator<AIMessageChunk>)

    }

    async *_transform(generator: AsyncGenerator<AIMessageChunk>): AsyncGenerator<string> {
        for await (const chunk of generator) {
            const text = extractTextFromChunk(chunk)
            if (text) {
                yield text
            }
        }
    }

    async *transform(generator: AsyncGenerator<AIMessageChunk>, options?: Partial<RunnableConfig>): AsyncGenerator<string> {
        yield* this._transformStreamWithConfig(generator, this._transform.bind(this), options)