70 lines
2.7 KiB
JavaScript
70 lines
2.7 KiB
JavaScript
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"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.NodeFileStore = void 0;
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const fs = __importStar(require("node:fs/promises"));
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const node_fs_1 = require("node:fs");
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const node_path_1 = require("node:path");
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const base_js_1 = require("./base.cjs");
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/**
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* Specific implementation of the `BaseFileStore` class for Node.js.
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* Provides methods to read and write files in a specific base path.
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*/
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class NodeFileStore extends base_js_1.BaseFileStore {
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constructor(basePath = (0, node_fs_1.mkdtempSync)("langchain-")) {
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super();
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Object.defineProperty(this, "basePath", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: basePath
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});
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Object.defineProperty(this, "lc_namespace", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: ["langchain", "stores", "file", "node"]
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});
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}
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/**
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* Reads the contents of a file at the given path.
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* @param path Path of the file to read.
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* @returns The contents of the file as a string.
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*/
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async readFile(path) {
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return await fs.readFile((0, node_path_1.join)(this.basePath, path), "utf8");
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}
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/**
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* Writes the given contents to a file at the specified path.
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* @param path Path of the file to write to.
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* @param contents Contents to write to the file.
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* @returns Promise that resolves when the file has been written.
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*/
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async writeFile(path, contents) {
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await fs.writeFile((0, node_path_1.join)(this.basePath, path), contents, "utf8");
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}
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}
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exports.NodeFileStore = NodeFileStore;
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