This is related to this other question:  Last evaluated expression in Javascript  But I wanted to provide more details about what I wanted to do and show how I finally solved the problem as some users requested in the comments.  I have snippets of Ja...
How do you build an AST (Abstract Syntax Tree) for left-associative operators using PEG.js?  I've tried to write some code based on the information I found on the internet, but I seem to have made a mistake.  The code I wrote generates an incorre...
I'm looking for a library in scala that generates JavaScript from an abstract syntax tree. I want to use it in an compiler that generates JavaScript at the end and I don't want to implement the pretty printing part myself....
I am working with reflect.js (a nice Javascript parser) from Zach Carter on github; I am trying to modify the behavior of his parser to handle comments as normal tokens that should be parsed like anything else.  The default behavior of reflect.js is...
I have been struggling to adding a new object to array of objects with jscodeshift. My problem is I can't figure out how I have to query an array after I got VariableDeclarator. I need to get a last element in the array after that I can insert a...
For a research project that I'm currently conducting, one of the tasks that I need to do is as follows: given a rooted, labeled, directed tree, I need to find all the subtree repeats within this tree; in other words, given all the subtrees (with...
I want to get full AST ( Abstract Syntax Tree ) of a javascript code and I have decided to use V8's parser. After trying to use V8, what I realize is that V8 does not parse functions which are not executed ( dead code ). My assumption is V8 is tr...
The NPM package dependency-check can be used to check that all dependencies are actually used in your project. It can handle non-javascript syntax by registering different detective extensions to handle various file extensions that will convert those...
I would like to allow our users to write string parsing logic in JavaScript, that would then be executed on the server.  Edit (more info):    Regex is not an option as they will need if, else, switch etc I would like to avoid creating a custom langua...
I am referring the ESTree documentation for ECMAScript 2015 here.  For instance, it uses the following syntax:  extend interface Program {     sourceType: "script" | "module";     body: [ Statement | ModuleDeclaration ]; }  interface...

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