A fork of catch22 to support Nodejs. Just npm i catch22 and you are ready.

Example

const catch22 = require('catch22');

const data = [1,2,3,4,5,6,7,8,9,10];

const features22 = catch22.catch22(data);
const features24 = catch22.catch24(data);

const mode5 = catch22.DN_HistogramMode_5(data);

console.log('features22: ', features22);
console.log('features24: ', features24);
console.log('DN_HistogramMode_5: ', mode5);

For more information, check the official catch22 documentation