tree-util

Utility package for building a tree from array plus functions for working with trees

heap-js

Efficient Binary heap (priority queue, binary tree) data structure for JavaScript / TypeScript. Includes JavaScript methods, Python's heapq module methods, and Java's PriorityQueue methods.

treeverse

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