drange

For adding/subtracting sets of range of numbers.


Usage

``
const DRange = require('drange');

let allNums = new DRange(1, 100); //[ 1-100 ]
let badNums = DRange(13).add(8).add(60,80); //[8, 13, 60-80]
let goodNums = allNums.clone().subtract(badNums);
console.log(goodNums.toString()); //[ 1-7, 9-12, 14-59, 81-100 ]
let randomGoodNum = goodNums.index(Math.floor(Math.random() * goodNums.length));
`

API

`js
let drange = new DRange()
drange.add(1, 10);
drange.add(21, 30);
console.log(drange.index(15)); // 25
`

$3

`js
let drange = new DRange(1, 4)
drange.add(6);
drange.subtract(2);
console.log(drange.numbers()); // [1, 3, 4, 6]
`

$3

`js
let drange = new DRange(1, 4)
drange.add(6, 8);
console.log(drange.subranges());
/*
[
{ low: 1, high: 4, length: 4 },
{ low: 6, high: 8, length: 3 }
]
*/
`

$3

`typescript
import * as DRange from "drange";
const range: DRange = new Drange(2, 5);
``

Use dtslint to check the definition file.

npm install -g dtslint
npm run dtslint