60 lines
2.5 KiB
JavaScript
60 lines
2.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.loadSummarizationChain = void 0;
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const llm_chain_js_1 = require("../llm_chain.cjs");
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const combine_docs_chain_js_1 = require("../combine_docs_chain.cjs");
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const stuff_prompts_js_1 = require("./stuff_prompts.cjs");
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const refine_prompts_js_1 = require("./refine_prompts.cjs");
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const loadSummarizationChain = (llm, params = { type: "map_reduce" }) => {
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const { verbose } = params;
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if (params.type === "stuff") {
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const { prompt = stuff_prompts_js_1.DEFAULT_PROMPT } = params;
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const llmChain = new llm_chain_js_1.LLMChain({ prompt, llm, verbose });
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const chain = new combine_docs_chain_js_1.StuffDocumentsChain({
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llmChain,
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documentVariableName: "text",
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verbose,
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});
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return chain;
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}
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if (params.type === "map_reduce") {
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const { combineMapPrompt = stuff_prompts_js_1.DEFAULT_PROMPT, combinePrompt = stuff_prompts_js_1.DEFAULT_PROMPT, combineLLM, returnIntermediateSteps, } = params;
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const llmChain = new llm_chain_js_1.LLMChain({ prompt: combineMapPrompt, llm, verbose });
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const combineLLMChain = new llm_chain_js_1.LLMChain({
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prompt: combinePrompt,
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llm: combineLLM ?? llm,
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verbose,
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});
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const combineDocumentChain = new combine_docs_chain_js_1.StuffDocumentsChain({
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llmChain: combineLLMChain,
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documentVariableName: "text",
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verbose,
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});
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const chain = new combine_docs_chain_js_1.MapReduceDocumentsChain({
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llmChain,
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combineDocumentChain,
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documentVariableName: "text",
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returnIntermediateSteps,
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verbose,
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});
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return chain;
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}
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if (params.type === "refine") {
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const { refinePrompt = refine_prompts_js_1.REFINE_PROMPT, refineLLM, questionPrompt = stuff_prompts_js_1.DEFAULT_PROMPT, } = params;
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const llmChain = new llm_chain_js_1.LLMChain({ prompt: questionPrompt, llm, verbose });
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const refineLLMChain = new llm_chain_js_1.LLMChain({
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prompt: refinePrompt,
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llm: refineLLM ?? llm,
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verbose,
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});
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const chain = new combine_docs_chain_js_1.RefineDocumentsChain({
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llmChain,
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refineLLMChain,
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documentVariableName: "text",
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verbose,
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});
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return chain;
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}
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throw new Error(`Invalid _type: ${params.type}`);
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};
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exports.loadSummarizationChain = loadSummarizationChain;
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