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npm · #2664 most downloaded on npm
Curated collection of data structures for the JavaScript/TypeScript.
Last release 13 days ago
22 Sep 2026
Release timing varies
gaps range from 1 weeks to 1.2 years
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
75 releases · first in 2016
* Adding InvertedIndex.
InvertedIndex.* Adding bunch of set functions.
Fixing error related to Trie.size.
One column per quarter.
Trie.get.Trie.size.Fixing an error in VPTree.neighbors.
VPTree.neighbors.- Adding Index. - Adding MultiIndex. - Adding MultiMap. - Adding MultiSet. - Adding SymSpell.
Index.MultiIndex.MultiMap.MultiSet.SymSpell.* Adding VPTree.
VPTree.* Adding BKTree.
BKTree.Adding static #.from method to all relevant structures.
BloomFilter.#.from method to all relevant structures.MultiSet until proper API is found.* Adding MultiSet.
MultiSet.Adding SuffixArray & GeneralizedSuffixArray.
SuffixArray & GeneralizedSuffixArray.Trie sentinel.Adding possibility to pass custom comparator to Heap & FibonacciHeap.
Queue.Heap & FibonacciHeap.- Adding FibonacciHeap. - Fixing bug related to Heap.
FibonacciHeap.Heap.* Adding Trie.
Trie.* Adding Heap.
Heap.* Adding LinkedList. * Adding Stack.
LinkedList.Stack.Your coding agent can read these notes before it upgrades. Set up the MCP server →