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VistasAWS Lambda - Error: Cannot find module 'uuid/v4'
I am receiving this Error when trying to use UUID Module in AWS Lambda JavaScript code.
Error: Cannot find module 'uuid/v4'
I am not using AWSCLI or NPM, i am instead using the AWS Lambda dashboard to author the Lambda Functions in JavaScript.
const AWS = require('aws-sdk');
const AWSUUID = require('uuid/v4');
const AWSGamelift = new AWS.GameLift();
exports.handler = async (event) =>
{
//...Ive been searching Google nonstop trying to find a way to get the UUID Module to work. I do not want to have to setup and use an NPM environment.
Is there some method on the AWS Lambda dashboard to provide access to the UUID Module for Lambda code?
3 Respuestas
Responde la pregunta0
You need to install uuid package. uuid recently did a breaking change, the way you use it. New way is
const {"v4": uuidv4} = require('uuid');
Hope this helps.
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AWS Lambda Layers is an option for this if we don't want to set up any npm environment.
Create a new layer for your Lambda function from the AWS console and upload the zip file from the node_modules directory that contains the uuid npm package.
A few things to remember to get this working:
- The directory structure should be kept as per the AWS documentation https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html#configuration-layers-path
This is important, otherwise the Lambda function will not recognize the packages.
- Your Lambda function's IAM role must have the
lambda:GetLayerVersionaction permission, otherwise you'll run into a problem with the missing package. This is clearly explained in the documentation mentioned above.
Once done, you can run your code. response example
The nodejs folder structure is as follows
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navigate to that file, and look around line number 3 in node_modules/expo-constants/exponentConstants.web.js
import uuidv4 from 'uuid/v4
and change it to:
import {v4 as uuidv4} from 'uuid';
This error happens because of the file structure in node_modules/uuid, if you look there is no longer a uuidv4 to import and instead they export a v4. You could change all the places where the developers wrote uuidv4 to v4 but using the { this as that } syntax you don't have to rewrite a bunch of code.