34 lines
1.4 KiB
JavaScript
34 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.formatDocument = void 0;
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/**
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* @deprecated
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* Formats a document using a given prompt template.
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*
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* @async
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* @param {Document} document - The document to format.
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* @param {BasePromptTemplate} prompt - The prompt template to use for formatting.
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* @returns {Promise<string>} A Promise that resolves to the formatted document as a string.
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* @throws {Error} If the document is missing required metadata variables specified in the prompt template.
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*/
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const formatDocument = async (document, prompt) => {
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const baseInfo = {
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pageContent: document.pageContent,
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...document.metadata,
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};
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const variables = new Set(prompt.inputVariables);
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const requiredMetadata = new Set(prompt.inputVariables
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.map((v) => (v !== "pageContent" ? v : null))
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.filter((v) => v !== null));
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const missingMetadata = [];
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for (const variable of variables) {
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if (!(variable in baseInfo) && variable !== "pageContent") {
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missingMetadata.push(variable);
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}
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}
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if (missingMetadata.length) {
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throw new Error(`Document prompt requires documents to have metadata variables: ${JSON.stringify(requiredMetadata)}. Received document with missing metadata: ${JSON.stringify(missingMetadata)}`);
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}
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return prompt.format(baseInfo);
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};
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exports.formatDocument = formatDocument;
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