Method invoke

packages/components/src/utils.ts:330–332

(input: AIMessageChunk, _options?: Partial<RunnableConfig>)

    lc_namespace = ['flowise', 'output_parsers']

    async invoke(input: AIMessageChunk, _options?: Partial<RunnableConfig>): Promise<string> {
        return extractTextFromChunk(input)
    }

    async *_transform(generator: AsyncGenerator<AIMessageChunk>): AsyncGenerator<string> {
        for await (const chunk of generator) {