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damerau-levenshtein

1.0.5 • Public • Published

NPM

It provides a function that takes two string arguments and returns a hash like this:

{
  steps: 5,       // Levenstein demerau distance
  relative: 0.7,  // steps / length of the longer string
  similarity: 0.3 // 1 - relative
}

Install

npm install damerau-levenshtein

Use with ES6 modules

import * as levenshtien from 'damerau-levenshtein';
 
const lev = levenshtien('hello world', 'Hello World!');
// { steps: 4, relative: 0.3076923076923077, similarity: 0.6923076923076923 }

Please see tests for more insights.

Use with TypeScript

import * as levenshtien from 'damerau-levenshtein';
 
interface LevenshteinResponse {
  steps: number;
  relative: number;
  similarity: number;
}
 
const lev: LevenshteinResponse = levenshtien('hello world', 'Hello World!');
 
console.log(lev.steps);
// 2
console.log(lev.foo);
// TypeScript Error: Property 'foo' does not exist on type 'LevenshteinResponse'.

install

npm i damerau-levenshtein

Downloadsweekly downloads

2,998,485

version

1.0.5

license

BSD-2-Clause

homepage

github.com

repository

Gitgithub

last publish

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