A tour of Abstract Syntax Trees
What is the syntax tree of these variants? It turns out that it’s the same as the original example. Things likes spaces, formatting and semicolons are usually ignored in these tree representations because they don’t generally carry useful information. And that’s why these trees are called Abstract: they are not a faithful concrete representation of the original source code, rather an abstraction t
JavaScript Binary AST Engineering Newsletter #1
Hey, all cool kids have exciting Engineering Newsletters these days, so it’s high time the JavaScript Binary AST got one! Summary JavaScript Binary AST is a joint project between Mozilla and Facebook to rethink how JavaScript source code is stored/transmitted/parsed. We expect that this project will help visibly speed up the loading of large codebases of JS applications and will have a large impac
Codemods: A Quick and Easy Way to Automate Code Refactoring — SitePoint
Stay Relevant and Grow Your Career in TechPremium ResultsPublish articles on SitePointDaily curated jobsLearning PathsDiscounts to dev toolsStart Free Trial7 Day Free Trial. Cancel Anytime. Key Takeaways Codemods, developed by Facebook, offer a powerful solution for automating large-scale refactoring tasks, enabling developers to efficiently update codebases to align with new JavaScript standards
How to write a codemod · Ramana Venkata
Solution: In this section of this tutorial, I will teach to how to use ASTExplorer and arrive at the solution to our problem incrementally. Whenever I try to solve a problem, my first approach is to break down the problem into smaller pieces and solve them one by one. To explain this bit more, you don’t need to solve problem in its full generality in the first go, solve for a specific case it may
ASTs for Beginners at Clevertech (February 2017)
Slides: http://kcd.im/beginner-asts-slides More on writing a Codemod with Babel: https://youtu.be/Hn6Ca6gzNsw The Abstract Syntax Tree. It sounds a lot worse than it is. It’s actually quite simple and enables some powerful tools. BabelJS uses it to transform your code from ES.Next to ES5. ESLint uses it to lint your code. And with a knowledge of how it works, you can extend these and other tools
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GitHub - glayzzle/php-parser: :herb: NodeJS PHP Parser - extract AST or tokens
esprima/ChangeLog at 4.0.0 · jquery/esprima
GitHub - babel-utils/ast-pretty-print: A pretty printer for AST-like structures
GitHub - babel-utils/babel-explode-module: Serialize a module into an easier format to work with
jscodeshift example
GitHub - DmitrySoshnikov/regexp-tree: Regular expressions processor in JavaScript
Release v6.16.0 · babel/babylon
The Esprit Collection
Release Release 4.0.0 · acornjs/acorn
esprima/ChangeLog at 3.0.0 · jquery/esprima
acorn/CHANGELOG.md at 3.3.0 · acornjs/acorn
GitHub - rse/astq: Abstract Syntax Tree (AST) Query Engine
GitHub - twada/merge-estraverse-visitors: merge multiple estraverse visitors into one
textlint AST explorer
GitHub - jdonaghue/es-search: Search ECMAScript structurally
