nv-array-range

nv-array-range

• nv-array-range
• subview and range of array

install

• npm install nv-array-range

usage

 const {Range,shuffle} = require("./index");

    

example

var ary = [10,20,30,40,50,60,70,80]
var range = new Range(ary)


> range
{
  ranges: [
      [0,8)
  ],
  view: [
    10, 20, 30, 40,
    50, 60, 70, 80
  ],
  ary: [
    10, 20, 30, 40,
    50, 60, 70, 80
  ]
}
>

> range.popat(3)
40
> range
{
  ranges: [
      [0,3),
      [4,8)
  ],
  view: [
    10, 20, 30, 50,
    60, 70, 80
  ],
  ary: [
    10, 20, 30, 40,
    50, 60, 70, 80
  ]
}
>

> range.popat(3)
Symbol(noexist)
>
> range.popat(6)
70
> range
{
  ranges: [
      [0,3),
      [4,6),
      [7,8)
  ],
  view: [ 10, 20, 30, 50, 60, 80 ],
  ary: [
    10, 20, 30, 40,
    50, 60, 70, 80
  ]
}
>

> range.popat(2)
30
> range.popat(5)
60
> range.popat(4)
50
> range
{
  ranges: [
      [0,2),
      [7,8)
  ],
  view: [ 10, 20, 80 ],
  ary: [
    10, 20, 30, 40,
    50, 60, 70, 80
  ]
}
>

METHODS

range.ary_                  range.constructor           range.popat
range.rngs_                 range.slcs_                 range.view_
range.vwlength_

API

• ary_rng.noexist
• ary_rng.Range(ary,si,ei)
• ary_rng.shuffle(ary)

LICENSE

• ISC