range-inclusive 
Generate a closed range of numbers
[a, b]with step sized
Installation
npm install range-inclusiveUsage
var rangeInclusive = require('range-inclusive')
rangeInclusive(10) // [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
rangeInclusive(3, 9, 3) // [3, 6, 9]
rangeInclusive(7, 5, -1) // [7, 6, 5]