range-array-to-string


How to use

``bash
npm install range-array-to-string
`
`javascript
const RangeArrayToString = require('range-array-to-string');

const rats = new RangeArrayToString();

rats.range([1, 2, 3, 5, 6, 7, 20])
.then((string) => {
// >> '1-3,5-7,20'
})
.catch((err) => {
// handle error
});
`

Array pre-sorting
`javascript
const rats = new RangeArrayToString({sort: true});

rats.range([44, 20, 1, 2, 3, 5, 6, 7])
.then((string) => {
// >> '1-3,5-7,20,44'
})
``