ai-utils.js/composed-function/summarize/summarizeRecursively.js

Build AI applications, chatbots, and agents with JavaScript and TypeScript.

export async function summarizeRecursively({ summarize, split, join = (texts) => texts.join("\n\n"), text, }, options) {
    const chunks = await split({ text });
    const summarizedTexts = await Promise.all(chunks.map((chunk) => summarize({ text: chunk }, options)));
    if (summarizedTexts.length === 1) {
        return summarizedTexts[0];
    }
    // recursive mapping: will split joined results as needed to stay
    // within the allowed size limit of the splitter.
    return summarizeRecursively({
        text: join(summarizedTexts),
        summarize,
        split,
        join,
    }, options);
}