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feat: Add AI tool building capabilities (#7336)

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Github issue / Community forum post (link here to close automatically):
https://community.n8n.io/t/langchain-memory-chat/23733

---------

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Val <68596159+valya@users.noreply.github.com>
Co-authored-by: Alex Grozav <alex@grozav.com>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
Co-authored-by: Deborah <deborah@starfallprojects.co.uk>
Co-authored-by: Jesper Bylund <mail@jesperbylund.com>
Co-authored-by: Jon <jonathan.bennetts@gmail.com>
Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Mason Geloso <Mason.geloso@gmail.com>
Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local>
Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>
This commit is contained in:
Jan Oberhauser
2023-11-29 12:13:55 +01:00
committed by GitHub
parent dbfd617ace
commit 87def60979
243 changed files with 21526 additions and 321 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
packages/nodes-base/nodes/Code/JavaScriptSandbox.ts
View File

@@ -1,4 +1,4 @@
import { NodeVM, makeResolverFromLegacyOptions } from '@n8n/vm2';
import { NodeVM, makeResolverFromLegacyOptions, type Resolver } from '@n8n/vm2';
import type { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
import { ValidationError } from './ValidationError';
@@ -27,6 +27,7 @@ export class JavaScriptSandbox extends Sandbox {
private jsCode: string,
itemIndex: number | undefined,
helpers: IExecuteFunctions['helpers'],
options?: { resolver?: Resolver },
) {
super(
{
@@ -41,17 +42,29 @@ export class JavaScriptSandbox extends Sandbox {
this.vm = new NodeVM({
console: 'redirect',
sandbox: context,
require: vmResolver,
require: options?.resolver ?? vmResolver,
wasm: false,
});
this.vm.on('console.log', (...args: unknown[]) => this.emit('output', ...args));
}
async runCodeAllItems(): Promise<INodeExecutionData[]> {
async runCode(): Promise<unknown> {
const script = `module.exports = async function() {${this.jsCode}\n}()`;
try {
const executionResult = await this.vm.run(script, __dirname);
return executionResult;
} catch (error) {
throw new ExecutionError(error);
}
}
async runCodeAllItems(options?: {
multiOutput?: boolean;
}): Promise<INodeExecutionData[] | INodeExecutionData[][]> {
const script = `module.exports = async function() {${this.jsCode}\n}()`;
let executionResult: INodeExecutionData | INodeExecutionData[];
let executionResult: INodeExecutionData | INodeExecutionData[] | INodeExecutionData[][];
try {
executionResult = await this.vm.run(script, __dirname);
@@ -67,7 +80,25 @@ export class JavaScriptSandbox extends Sandbox {
if (executionResult === null) return [];
return this.validateRunCodeAllItems(executionResult);
if (options?.multiOutput === true) {
// Check if executionResult is an array of arrays
if (!Array.isArray(executionResult) || executionResult.some((item) => !Array.isArray(item))) {
throw new ValidationError({
message: "The code doesn't return an array of arrays",
description:
'Please return an array of arrays. One array for the different outputs and one for the different items that get returned.',
itemIndex: this.itemIndex,
});
}
return executionResult.map((data) => {
return this.validateRunCodeAllItems(data);
});
}
return this.validateRunCodeAllItems(
executionResult as INodeExecutionData | INodeExecutionData[],
);
}
async runCodeEachItem(): Promise<INodeExecutionData | undefined> {