c177363a19
🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
48 lines
1.1 KiB
Markdown
48 lines
1.1 KiB
Markdown
[](https://nodei.co/npm/damerau-levenshtein/)
|
|
|
|
It provides a function that takes two string arguments and returns a hash like this:
|
|
|
|
``` javascript
|
|
{
|
|
steps: 5, // Levenstein demerau distance
|
|
relative: 0.7, // steps / length of the longer string
|
|
similarity: 0.3 // 1 - relative
|
|
}
|
|
```
|
|
|
|
## Install
|
|
|
|
```sh
|
|
npm install damerau-levenshtein
|
|
```
|
|
|
|
## Use with ES6 modules
|
|
|
|
```js
|
|
import * as levenshtein from 'damerau-levenshtein';
|
|
|
|
const lev = levenshtein('hello world', 'Hello World!');
|
|
// { steps: 4, relative: 0.3076923076923077, similarity: 0.6923076923076923 }
|
|
```
|
|
|
|
Please see [tests](./test/test.js) for more insights.
|
|
|
|
## Use with TypeScript
|
|
|
|
```ts
|
|
import * as levenshtein from 'damerau-levenshtein';
|
|
|
|
interface LevenshteinResponse {
|
|
steps: number;
|
|
relative: number;
|
|
similarity: number;
|
|
}
|
|
|
|
const lev: LevenshteinResponse = levenshtein('hello world', 'Hello World!');
|
|
|
|
console.log(lev.steps);
|
|
// 2
|
|
console.log(lev.foo);
|
|
// TypeScript Error: Property 'foo' does not exist on type 'LevenshteinResponse'.
|
|
```
|