Enzyme
redux-thunk
Our great sponsors
Enzyme | redux-thunk | |
---|---|---|
33 | 33 | |
19,964 | 17,732 | |
-0.1% | 0.0% | |
6.7 | 7.4 | |
2 months ago | 9 days ago | |
JavaScript | TypeScript | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Enzyme
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The best testing strategies for frontends
Probably Enzyme was the first to popularize component testing in React by doing shallow rendering and expecting some things to be there in the React component tree. Then React Testing library came and took component testing to a whole new level.
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Testing React Components: A Comprehensive Overview of Testing Libraries
Enzyme is another popular testing utility for React. It allows you to manipulate and traverse React components' output, making it easier to write comprehensive tests.
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Speeding up the JavaScript ecosystem – Polyfills gone rogue
ljharb is an extremely interesting person. There’s no doubting the positive impact he’s had on the OSS community and the work he’s done.
However, there are some things he does that are incomprehensible.
For example, Enzyme. Over three years ago this issue was opened for Enzyme on React 17: https://github.com/enzymejs/enzyme/issues/2429
Nothing moved for a while, and I think he said something along the lines of “if you want React 17 support, stop complaining and help”. So the community got involved. There are multiple PRs adding React 17 support. Many unofficial React 17 adapters. A lot of people have put a lot of work into this, ensuring compatibility, coverage etc. Yet to this day, none of them have been merged. Eg https://github.com/enzymejs/enzyme/pull/2564
Given the amount of time that has passed, and the work the community has put in, something is amiss. It feels like he’s now intentionally avoiding React 17+ support. But why? I don’t understand why someone would ask for help then ignore the help when it comes in. That isn’t much better than the swathe of rude/entitled comments he was getting on the issue before he locked it.
I ended up migrating to RTL, but this made many of my tests more complicated (especially compared to shallow rendering).
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Mastering React Testing: A Comprehensive Guide to Jest, Enzyme, and React Testing Library
Enzyme Documentation
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How To Scale Your React Applications
One way to do this is by writing tests for your React components. Tools like Jest and Enzyme make it easy to test your component's behavior, rendering output, and state changes. By writing tests for your components, you can ensure that they behave as expected and prevent issues before they reach production.
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Top OpenAI Tools, Examples & Use Cases
GitHub link: https://github.com/enzymejs/enzyme
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How to Confidently Write Unit Tests using React Testing Library
So If you have experience with enzyme testing, where you might be checking the value of state once you click any button or you might be checking the prop value If something changes.
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Difference Between JEST and Enzyme?
Enzyme offers two types of API for shallow rendering and full rendering. Both are preferred for different test scenarios and functionalities.
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Testing with Jest and React Testing Library
At Visa, I was writing unit tests for a Next.js project using components designed with Chakra UI. That's where React Testing Library came in handy. Unlike other solutions like Enzyme, I did not have to worry about the application snapshot but could instead focus on each UI element, its expected behaviour and the data it would render upon user interactions.
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Superset: Testing and Enzyme to RTL conversion
Superset uses Jest and React Testing Library (RTL) to write unit and integration tests. In the past we used Enzyme, but now that we're currently converting all of our class components to functional components, Enzyme cannot support our testing needs. Since RTL is better for testing functional components, we're converting all of our test files to RTL. This can be quite a learning curve - I've gone through a lot of the process so I'd like to share what I've learned so far.
redux-thunk
- Redux Toolkit 2.0: new features, faster perf, smaller bundle sizes (plus major versions for all Redux family packages!)
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Redux Toolkit 2.0: new features, faster perf, smaller bundle sizes, and more
- Throws better errors in an RSC environment
- https://github.com/reduxjs/react-redux/releases/tag/v9.0.0
## Reselect 5.0:
- Switches to a new `weakMapMemoize` memoizer as default
- Renames `defaultMemoize` to `lruMemoize`
- Allows passing memoizer options direct to `createSelector`
- Many TS improvements
- https://github.com/reduxjs/reselect/releases/tag/v5.0.1
## Redux Thunk 3.0:
- Drops the default export and switches to named exports ( `{thunk, withExtraArgument}` )
- https://github.com/reduxjs/redux-thunk/releases/tag/v3.1.0
This has been a _huge_ year-long development effort!
We're thrilled to get these improvements out. The tooling and bundle improvements will help all users, and we think the features and TS changes will improve the Redux dev experience significantly.
Thank you SO MUCH to everyone who has contributed or helped test out the work!
Please file bug reports for the inevitable issues that pop up post-release!
but now I'm going off on a conf trip and going to take a very well-earned break from Redux work for December :)
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20 Essential Parts Of Any Large Scale React App
redux-thunk : For asynchronous operations
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Use Redux to Manage Authenticated State in a React App
Use async logic with Redux "thunk" middleware for handling things like login, data fetching, and handling loading state.
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Recap of the state management history in React
Since it was a relatively low level tool, just like React, that gave a lot of freedom to the user to find different ways to make it work for them. In particular when it came to async operations Redux itself gave no official solution. The most popular options are redux-thunk, redux-observable, and redux-saga. There were probably a dozen more options out there.
- Redux explicado de manera simple y sucinta para los desarrolladores de React
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The React roadmap for beginners you never knew you needed.
Redux Thunk
- Reselect 4.1: new cache size and result equality check options, direct selector customization, improved TS types, and more!
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Querying Firestore to get Redux initialState
I recommend https://github.com/reduxjs/redux-thunk if you use Redux with any async data.
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Redux Thunk For Dummies
As you might have heard, redux-thunk is a very small package. You can see the entirety of the behavior in the following code (reproduced here from the redux-thunk github repo):
What are some alternatives?
react-testing-library - 🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
redux-toolkit - The official, opinionated, batteries-included toolset for efficient Redux development
Sinon.JS - Test spies, stubs and mocks for JavaScript.
react-query - 🤖 Powerful asynchronous state management, server-state utilities and data fetching for TS/JS, React, Solid, Svelte and Vue. [Moved to: https://github.com/TanStack/query]
WebdriverIO - Next-gen browser and mobile automation test framework for Node.js
jotai - 👻 Primitive and flexible state management for React
jest - Delightful JavaScript Testing.
axios - Promise based HTTP client for the browser and node.js
react-hook-form - 📋 React Hooks for form state management and validation (Web + React Native)
zustand - 🐻 Bear necessities for state management in React
Jooks (Jest ❤ + Hooks 🤘🏻) - Testing hooks with Jest
redux-saga - An alternative side effect model for Redux apps