# Glench/fuzzyset.js

fuzzyset.js - A fuzzy string set for javascript

Repository: https://github.com/Glench/fuzzyset.js
Canonical: https://ross.abutalabs.com/products/fuzzysetjs
Homepage: http://glench.github.io/fuzzyset.js/
Language: JavaScript
License: NOASSERTION
License Family: other
Last push: 2021-12-13T18:44:00+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4998, "days_push": 1724, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license, no_readme
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1375, forks 104 (observed 2026-08-28T04:04:33.146856+00:00)

## What it is
A JavaScript data structure for fuzzy string matching that finds likely misspellings and approximate matches against a set of strings. It uses n-gram indexing with optional Levenshtein distance scoring to return ranked matches with confidence scores.

## Use cases
- fuzzy match user input against a list of known strings
- detect likely misspellings of names or words
- autocomplete with typo tolerance
- deduplicate strings with slight variations
- match city or product names entered with typos

## When to choose
- you need fast approximate string lookup in JavaScript in the browser or Node
- you want ranked matches with similarity scores
- your dataset fits in memory and you need simple typo correction

## When to avoid
- you need full-text search over large document collections
- you need Unicode-heavy or non-Latin script matching with high accuracy
- you need an actively developed library with ongoing support

## Facets
- artifact type: library
- maturity: maintenance
- function: search-engine, nlp, parser
- domain: developer-tools
- platform: browser
- tags: fuzzy-matching, string-matching, spell-correction, levenshtein-distance, data-structure, natural-language-processing, search, nodejs, javascript

## Member repositories
- Glench/fuzzyset.js (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:33.146856+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:40:33.120949+00:00, confidence not recorded.
  - homepage: http://glench.github.io/fuzzyset.js/ (fetched 2026-08-29T11:57:05.003606+00:00, sha d88948187dd5)
  - registry_npm: https://registry.npmjs.org/fuzzyset.js (fetched 2026-08-29T11:57:05.007051+00:00, sha 5ef7105ce893)
- Data as of 2026-08-30T08:39:29.467469+00:00.