Error Prone
react-codemod
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Error Prone | react-codemod | |
---|---|---|
16 | 9 | |
6,716 | 4,055 | |
0.6% | 0.3% | |
9.4 | 3.5 | |
7 days ago | about 1 month ago | |
Java | JavaScript | |
Apache License 2.0 | 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.
Error Prone
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
error-prone is good for some extra static analysis.
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How to use Java Records
A special kind of validation is enforcing that record fields are not null. (Un)fortunately, records do not have any special behavior regarding nullability. You can use tools like NullAway or Error Prone to prevent null in your code in general, or you can add checks to your records:
- Prusti: Static Analyzer for Rust
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Why is `suspend` a language keyword, but @Composable and @Serializable are annotations
I am all in favour to more third side libraries adding functionalities, like Lombok, Manifold and error prone. As well as smaller projects like this shameless plug and what appears in this list
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Picnic loves Error Prone: producing high-quality and consistent Java code
If only Google didn't suck when it came to Java9+ support... https://github.com/google/error-prone/issues/2649
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What does the future hold for Project Amber?
I haven't used it. I use Google's ErrorProne + Lombok to prevent NPEs in java.
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Plans for Compile-time Null Pointer Safety?
Take a look at NullAway, a plugin for Error Prone.
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What I miss in Java, the perspective of a Kotlin developer
For some of this stuff, there are compiler extensions that allow extra type checking to be added e.g. Google Error-Prone: https://github.com/google/error-prone with stuff like: https://errorprone.info/bugpattern/ReturnMissingNullable.
Doesn't help you with third party libraries, but across an org applying that rule (and others!) typically ensures some consistency.
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A guide on how to improve your coding skills with static code analysis.
How to build a static analysis plugin. Google has a framework for Java with a good tutorial.
- Error Prone 2.11.0 Released. Requires JDK11+
react-codemod
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Converting class based components into functional ones
You can convert the “easy” render-only class components to function components using the pure-component codemod.
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Front-end Guide
Developer Experience - There are a number of tools that improves the development experience with React. React Developer Tools is a browser extension that allows you to inspect your component, view and manipulate its props and state. Hot reloading with webpack allows you to view changes to your code in your browser, without you having to refresh the browser. Front end development involves a lot of tweaking code, saving and then refreshing the browser. Hot reloading helps you by eliminating the last step. When there are library updates, Facebook provides codemod scripts to help you migrate your code to the new APIs. This makes the upgrading process relatively pain-free. Kudos to the Facebook team for their dedication in making the development experience with React great.
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A new way to ship Codemods
Like most popular libraries, e.g. React, Next.js and more, which provide codemods to help move their huge user base across versions, we needed a bespoke and fairly simple CLI wrapper of jscodeshift, that would provide a means of publishing, downloading and running codemods. So we created a custom 'codemod-cli', our first piece of internal codemod infrastructure.
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React v18.0
If you'd like to migrate them, the React team maintains some awesome codemods:
https://github.com/reactjs/react-codemod
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[AskJS] How do you release libraries updates with breaking changes?
Codemods - providing automated tooling to change old patterns to new ones can go a long way in helping drive adoption of the new version. The most notable example of doing this is react-codemod (many other examples exist)
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All about Abstract Syntax Tree
Sometimes you need to migrate from one version of a library to another, for example, when React has updated to version 15.5 the PropTypes has moved to different package and the react-developers provides codemod for migration.
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Modern JavaScript:Everything you missed over the last 10 years(ECMAScript 2020)
Can you point me towards examples of the usage of AST rewriting tools that are actively being used by open-source library maintainers in other ecosystems to help their consumers do upgrades in large code-bases (e.g. I can see that `clang` has AST tooling, but I don't see examples online of this being widely used: https://devblogs.microsoft.com/cppblog/exploring-clang-tooli...).
Within the JavaScript ecosystem this is quite popular (1. https://github.com/reactjs/react-codemod; 2. https://github.com/mui-org/material-ui/tree/HEAD/packages/ma... 3. https://github.com/emotion-js/emotion/tree/main/packages/esl... etc.) Teams that maintain huge codebases have tooling to safely automate their upgrades and the best library maintainers provide their consumers with these AST transformations.
> Don't tell that to anyone who uses
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Introducing Astra: A Tool for Refactoring Java Programs at Scale
Agree. I know js has a similar tool, jscodeshift. https://github.com/reactjs/react-codemod and https://github.com/cpojer/js-codemod/tree/master/transforms have some ideas for js.
- React 17 DOM tree inside of React 16.2 DOM
What are some alternatives?
Spotbugs - SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
jscodeshift - A JavaScript codemod toolkit.
SonarQube - Continuous Inspection
Acorn - A small, fast, JavaScript-based JavaScript parser
PMD - An extensible multilanguage static code analyzer.
react-gradual-upgrade-demo - Demonstration of how to gradually upgrade an app to a new version of React
Checkstyle - Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
codemod-example - Codemod for my article: https://blog.paulcodes.tech/all-about-abstract-syntax-tree
FindBugs - The new home of the FindBugs project
betaflight-configurator - Cross platform configuration tool for the Betaflight firmware
infer - A static analyzer for Java, C, C++, and Objective-C
js-codemod - Codemod scripts to transform code to next generation JS