<commit_before>The code needs a ES2015+ polyfill to work, for example
[babel-polyfill](https://babeljs.io/docs/usage/polyfill).
```js
require( 'babel-polyfill' ) ;
// or
import 'babel-polyfill' ;
```

Then
```js
const number = require( 'aureooms-js-disjoint-set' ) ;
// or
import number from 'aureooms-js-disjoint-set' ;
```<commit_msg>fix doc<commit_after>The code needs a ES2015+ polyfill to work, for example
[babel-polyfill](https://babeljs.io/docs/usage/polyfill).
```js
require( 'babel-polyfill' ) ;
// or
import 'babel-polyfill' ;
```

Then
```js
const disjointset = require( 'aureooms-js-disjoint-set' ) ;
// or
import disjointset from 'aureooms-js-disjoint-set' ;
```
{'fraction_non_alphanumeric': 0.17455621301775148, 'fraction_numerical': 0.011834319526627219, 'mean_word_length': 4.641666666666667, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 2, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4968112', 'n_tokens_mistral': 270, 'n_tokens_neox': 245, 'n_words': 57}