Traversal Packages

transform the ast on a recursive walk

Query JavaScript objects with JSONPath expressions. Robust / safe JSONPath engine for Node.js.

walk a directory tree recursively with events

Execute a callback on every node of a source code's AST and stop walking when you see fit

Utility functions to deal with references in objects

simple but flexible lexically ordered AST traversal with pre and post visitors

walk a directory tree recursively with events

Get or set a deep value using a keypath string. Supports bracket and dot notation

Declarative JavaScript AST modification façade

Looks up the first non-whitespace character to the left/right of a given index

It iterates through a graph or a tree recursively

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

Recursively walk and transform EcmaScript AST

➔ 𝐃eep standalone lib / 𝐋odash extension: ✓ eachDeep ✓ filterDeep ✓ mapDeep ✓ reduceDeep ✓ pickDeep ✓ omitDeep ✓ keysDeep ✓ index ✓ condenseDeep ⋮ Parents stack ⋮ Circular check ⋮ Leaves only mode ⋮ Children mode ⋮ cherry-pick ⋮ esm

Traverse object hierarchies using matching and callbacks.

Provides a simple Javascript AST traversal utility that traverses all nodes / children regardless of type.

Query JavaScript objects with JSONPath expressions. Robust / safe JSONPath engine for Node.js.

A library for modeling and traversing graphs

transform the ast on a recursive walk

Partial lenses is a comprehensive, high-performance optics library for JavaScript