89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
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import { z } from "zod";
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import { StructuredTool } from "@langchain/core/tools";
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/**
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* Class for reading files from the disk. Extends the StructuredTool
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* class.
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*/
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export class ReadFileTool extends StructuredTool {
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static lc_name() {
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return "ReadFileTool";
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}
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constructor({ store }) {
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super(...arguments);
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Object.defineProperty(this, "schema", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: z.object({
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file_path: z.string().describe("name of file"),
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})
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});
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Object.defineProperty(this, "name", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: "read_file"
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});
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Object.defineProperty(this, "description", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: "Read file from disk"
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});
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Object.defineProperty(this, "store", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: void 0
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});
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this.store = store;
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}
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async _call({ file_path }) {
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return await this.store.readFile(file_path);
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}
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}
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/**
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* Class for writing data to files on the disk. Extends the StructuredTool
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* class.
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*/
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export class WriteFileTool extends StructuredTool {
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static lc_name() {
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return "WriteFileTool";
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}
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constructor({ store, ...rest }) {
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super(rest);
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Object.defineProperty(this, "schema", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: z.object({
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file_path: z.string().describe("name of file"),
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text: z.string().describe("text to write to file"),
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})
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});
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Object.defineProperty(this, "name", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: "write_file"
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});
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Object.defineProperty(this, "description", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: "Write file from disk"
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});
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Object.defineProperty(this, "store", {
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enumerable: true,
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configurable: true,
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writable: true,
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value: void 0
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});
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this.store = store;
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}
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async _call({ file_path, text }) {
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await this.store.writeFile(file_path, text);
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return "File written to successfully.";
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}
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}
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