nv-array-span v1.0.0

nv-array-span

• nv-array-span

install

• npm install nv-array-span

usage

example

const ary_span = require("nv-array-span")

ary_span.pair([1,2,3,4])
//[ [ 1, 2 ], [ 3, 4 ] ]

ary_span.interval([1,2,3,4,5,6,7],3)
//[ [ 1, 2, 3 ], [ 4, 5, 6 ] ]




ary_span.range(6,1,3,5)
//[ [ 0, 1 ], [ 1, 3 ], [ 3, 5 ], [ 5, 6 ] ]


var spans = [[0,3],[4,7],[8,10],[17,20]]
ary_span.fullfill(spans)
/*
[
  [ 0, 3 ],
  [ 3, 4 ],
  [ 4, 7 ],
  [ 7, 8 ],
  [ 8, 10 ],
  [ 10, 17 ],
  [ 17, 20 ]
]

*/

var spans = [[1,3],[4,7],[8,10],[17,20]]
ary_span.supplement(spans)
//[ [ 0, 1 ], [ 3, 4 ], [ 7, 8 ], [ 10, 17 ] ]


var arr = [1,5,6,7,8,13,14,18,30,31,32,33,34,40]
ary_span.compress(arr)
//[ [ 1, 2 ], [ 5, 9 ], [ 13, 15 ], [ 18, 19 ], [ 30, 35 ],[40,41] ]
var arr = [1,5,6,7,8,13,14,18,30,31,32,33,34,40,41]
ary_span.compress(arr)
//[ [ 1, 2 ], [ 5, 9 ], [ 13, 15 ], [ 18, 19 ], [ 30, 35 ], [ 40, 42 ] ]


var spans = [ [ 1, 2 ], [ 5, 9 ], [ 13, 15 ], [ 18, 19 ], [ 30, 35 ],[40,41] ]
ary_span.uncompress(spans)
//[1,5,6,7,8,13,14,18,30,31,32,33,34,40]

API

• ary_span.pair(arr)
• ary_span.interval(arr,interval)
• ary_span.range(max_length,...indexes)
• ary_span.fullfill(spans)
• ary_span.supplement(spans)
• ary_span.compress(arr)
• ary_span.uncompress(spans)

LICENSE

• ISC