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Average Ratings 0 Ratings

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ease
features
design
support

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Description

Koa is an innovative web framework developed by the creators of Express, intended to serve as a more compact, expressive, and sturdy base for web applications and APIs. By utilizing async functions, Koa eliminates the need for callbacks, significantly enhancing error management. Unlike other frameworks, Koa does not include any bundled middleware in its core, instead offering a refined set of methods that facilitate fast and enjoyable server development. A Koa application is essentially an object that holds an array of middleware functions, which are then composed and executed sequentially in a stack-like manner when a request is made. While Koa shares similarities with various middleware systems, such as Ruby's Rack and Connect, it distinguishes itself by incorporating high-level "sugar" into the otherwise low-level middleware layer. This thoughtful design choice not only boosts interoperability and robustness but also enriches the overall experience of writing middleware. Additionally, Koa's focus on simplicity and flexibility empowers developers to create tailored solutions specific to their application needs.

Description

Starlette features an application class known as Starlette, which effectively integrates all its various functionalities. It utilizes a predefined list of middleware that executes with each incoming request. Notably, a Starlette application inherently incorporates two middleware classes: ServerErrorMiddleware, which serves as the outermost layer to catch any uncaught errors that may arise throughout the entire processing stack, and ExceptionMiddleware, positioned as the innermost layer to manage exceptions that are handled within the routing or endpoint logic. Both startup and shutdown handler callables are designed not to accept any parameters and can be implemented as either standard or asynchronous functions, allowing for flexibility in deployment. This structure ensures that developers can maintain robust error handling and lifecycle management within their applications.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

AppSignal
Forest Admin
Idealogic
New Relic
NocoBase
Node.js
Python
Syhunt Hybrid

Integrations

AppSignal
Forest Admin
Idealogic
New Relic
NocoBase
Node.js
Python
Syhunt Hybrid

Pricing Details

Free
Free Trial
Free Version

Pricing Details

No price information available.
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Koa

Website

koajs.com

Vendor Details

Company Name

Starlette

Website

www.starlette.io

Product Features

Alternatives

Alternatives

Express Reviews

Express

OpenJS Foundation
Express Reviews

Express

OpenJS Foundation