recast
jest
recast | jest | |
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6 | 3 | |
4,825 | 42,329 | |
- | - | |
5.8 | 9.6 | |
28 days ago | 9 months ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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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.
recast
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What is an Abstract Syntax Tree in Programming?
GitHub | Website
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[AskJS] Any good shortcuts for migrating off of enzyme?
If jscodeshift is confusing, I recommend looking into using recast directly, along with ast-types for AST traversal and its node factories. Inside your visitors, write some conditionals that check for the patterns you want to detect, then mutate the node passed to the visitor, or otherwise mutate the AST. Keep going until tests are passing.
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Evan you on Svelte migration from Vue
I ended up writing my own codemod tool based on recast to automate most of the repetitive, mindless grunt work. Even with the tool shaving hundreds of hours off of the migration effort, there's still a huge amount of work left, since we need to find or create Vue 3-compatible alternatives of all of our Vue 2-only dependencies. Some of these dependencies (e.g. vee-validate) are used pretty ubiquitously too
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Which library to use for AST manipulation?
I had great results with a combination of babel + recast. Babel is doing the job and Recast is mostly here to preserve the original style when printing code again. I animated a workshop @ Node.JS Montréal 2019 that was recorded here. We cover the parse/transform/print of code using Babel (live coding starts around 45').
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JARVIS – Write me a Codemod
recast
- Show HN: Monocle – bidirectional code generation library
jest
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What is an Abstract Syntax Tree in Programming?
GitHub | Website
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ReactJS Good Practices
Jest
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Should you use jest as a testing library?
This means that the instanceof operator will not workas expected, and it will generate false negatives! You can get a quick example of this problem in the following test.js snippet file:
What are some alternatives?
escodegen - ECMAScript code generator
xhp-lib - Class libraries for XHP. XHP is a Hack feature that augments the syntax of the language such that XML document fragments become valid Hack expressions.
espree - An Esprima-compatible JavaScript parser
memlab - A framework for finding JavaScript memory leaks and analyzing heap snapshots
Acorn - A small, fast, JavaScript-based JavaScript parser
react-hooks-testing-library - 🐏 Simple and complete React hooks testing utilities that encourage good testing practices. [Moved to: https://github.com/testing-library/react-hooks-testing-library]
jscodeshift - A JavaScript codemod toolkit.
blog-posts - A collection of my Fastify blog posts!
ast-node-finder - AST Node Find api automatically generated from code
react-redux-links - Curated tutorial and resource links I've collected on React, Redux, ES6, and more
ts-lite - Compiled TypeScript. Generates Go, Swift, Kotlin, WASM, Binary
Gatsby - The best React-based framework with performance, scalability and security built in.