middy
zod
middy | zod | |
---|---|---|
22 | 288 | |
3,637 | 30,347 | |
0.6% | - | |
9.3 | 9.1 | |
12 days ago | 6 days ago | |
JavaScript | TypeScript | |
MIT License | MIT License |
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middy
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Clean authorization control in serverless functions
In many cases, you will have to write the same authorization code in multiple functions. For example, you might want to check that the user is in the requested organization. You can share this code in a middleware. If you are using AWS Lambda, you can rely on middy.
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Testing Serverless Applications on AWS
Adding the is-test flag to our object metadata gave us our way of passing some kind of test context into our workload. The next step was to make the Lambda Function capable of discovering the context and then using that to control how it behaves under test. For this we used Middy.
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Learn serverless on AWS step-by-step: Strong Types!
I also decided to use the middy library to add CORS management to our lambda function. This will allow us to call our lambda function from our frontend, without having to worry about CORS.
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Go Lambda Middlewae
Is there any equivalent to Node based https://middy.js.org/ for Golang?
- Middy: AWS Lambda middleware framework for Node.js
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The Old Faithful: Why SSM Parameter Store still reigns over Secrets Manager
And if your requirements were to change at a later date, it’s straightforward to swap out SSM Parameter Store with Secrets Manager there and then. Especially if you’re accessing the relevant service through a middleware layer such as Middy for javascript Lambda functions.
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Implementing Magic Links with Amazon Cognito: A Step-by-Step Guide
This function uses the Middy middleware engine to handle unhandled errors and add CORS headers in the response.
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Ask HN: What would be your stack if you are building an MVP today?
I mean I'm literally building an AWS lambda function that outputs HTML when it's called via API Gateway. So someone hits https://mydomain.com/mycoolpage, then the MyCoolPage AWS Lambda function is executed and outputs whatever.
If you're interested, I use https://middy.js.org/ as a middleware engine for my AWS lambda functions which I find helpful.
I use the open sourced serverless framework for doing deploys https://www.serverless.com/
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tRPC: Build Full-Stack TypeScript Applications With Type Safety
middy for lambda-side middleware
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How to Securely Use Secrets in AWS Lambda?
That is it from the CDK side. Now let us create the handler and retrieve that secret. I like to use middy which describes itself as "stylish Node.js middleware engine for AWS Lambda". It offers some helpful middlewares like ssm which will help us retrieve and cache values from SSM Parameter Store. (Middy provides various other official middlewares including one for Secrets Manager.) I prefer a middleware for this because it keeps the code for retrieving the secret out of your handler which should deal with actual business logic.
zod
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From Flaky to Flawless: Angular API Response Management with Zod
Zod is an open-source schema declaration and validation library that emphasizes TypeScript. It can refer to any data type, from simple to complex. Zod eliminates duplicative type declarations by inferring static TypeScript types and allows easy composition of complex data structures from simpler ones. It has no dependencies, is compatible with Node.js and modern browsers, and has a concise, chainable interface. Zod is lightweight (8kb when zipped), immutable, with methods returning new instances. It encourages parsing over validation and is not limited to TypeScript but works well with JavaScript as well.
- TypeScript Essentials: Distinguishing Types with Branding
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You can’t run away from runtime errors using TypeScript
Zod is a TypeScript-first schema declaration and validation library. It helps create schemas for any data type and is very developer-friendly. Zod has the functional approach of "parse, don't validate." It supports coercion in all primitive types.
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Best Next.js Libraries and Tools in 2024
Link: https://zod.dev/
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Popular Libraries For Building Type-safe Web Application APIs
You can check out their documentation here.
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Epic Next JS 14 Tutorial Part 4: How To Handle Login And Authentication in Next.js
You can learn more about Zod on their website here.
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What even is a JSON number?
In JS, it's a good idea anyway to use some JSON parsing library instead of JSON.parse.
With Zod, you can use z.bigint() parser. If you take the "parse any JSON" snippet https://zod.dev/?id=json-type and change z.number() to z.bigint(), it should do what you are looking for.
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Error handling in our form component for the NextAuth CredentialsProvider
We will validate our input using client-side zod. Zod handles TypeScript-first schema validation with static type inference. This means that it will not only validate your fields, it will also set types on validated fields.
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Zod: Zero to Hero - Chapter 4
A word of warning: while discriminated unions are very powerful, there's an ongoing discussion on whether discriminated unions should be deprecated and replaced with a different API.
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Zod: Zero to Hero - Chapter 1
I was first introduced to Zod by Adam Bobrow - a colleague of mine and a dear friend. Adam was sick and tired from JavaScript's brittleness, and about two years ago he started migrating our code base to TypeScript. But that wasn't enough for him. He kept complaining: "What good are my types, if some other service decides to send me bad data and breaks my code?". That's when he discovered Zod.
What are some alternatives?
aws-cdk - The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code
class-validator - Decorator-based property validation for classes.
dynamodb-toolbox - A simple set of tools for working with Amazon DynamoDB and the DocumentClient
joi - The most powerful data validation library for JS [Moved to: https://github.com/sideway/joi]
aws-sdk-js-v3 - Modularized AWS SDK for JavaScript.
Yup - Dead simple Object schema validation
typescript-badges - :smirk_cat: TypeScript Badges
typebox - Json Schema Type Builder with Static Type Resolution for TypeScript
powertools-lambda-typescript - Powertools is a developer toolkit to implement Serverless best practices and increase developer velocity.
ajv - The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
projen - Rapidly build modern applications with advanced configuration management
io-ts - Runtime type system for IO decoding/encoding