nv-array-match v1.0.0

nv-array-match

• nv-array-match
• partial order match with str/regexp/function

install

• npm install nv-array-match

usage

const {
    po_all_pos,
    po_all_match,
    po_gen_pos,
    po_gen_match,
    po_is_match
} = require("nv-array-match")

example

const {
    po_all_pos,
    po_all_match,
    po_gen_pos,
    po_gen_match,
    po_is_match
} = require("./index")

var data_ary =   ["a","A","a","B","6","888"]
var matches = ["a",(r,i)=>r==="A"||r==="B",/[0-9]+/]

> po_all_match(data_ary,matches)
[
  [ 'a', 'A', '6' ],
  [ 'a', 'B', '6' ],
  [ 'a', 'B', '6' ],
  [ 'a', 'A', '888' ],
  [ 'a', 'B', '888' ],
  [ 'a', 'B', '888' ]
]
> po_all_pos(data_ary,matches)
[
  [ 0, 1, 4 ],
  [ 0, 3, 4 ],
  [ 2, 3, 4 ],
  [ 0, 1, 5 ],
  [ 0, 3, 5 ],
  [ 2, 3, 5 ]
]
> var g = po_gen_match(data_ary,matches)
undefined
> g.next()
{ value: [ 'a', 'A', '6' ], done: false }
> g.next()
{ value: [ 'a', 'B', '6' ], done: false }
> g.next()
{ value: [ 'a', 'B', '6' ], done: false }
> g.next()
{ value: [ 'a', 'A', '888' ], done: false }
> g.next()
{ value: [ 'a', 'B', '888' ], done: false }
> g.next()
{ value: [ 'a', 'B', '888' ], done: false }
> g.next()
{ value: undefined, done: true }
>

MATCHES

type F  = (r:any,i:number)=>boolean
type SP =  string | RegExp | Set | Array<any> | F
type SPS = Array<SP>

API

• ary_mch.po_all_pos(data:Array,matches:Array):Array<Array>
• ary_mch.po_all_match(data:Array,matches:Array):Array<Array>
• ary_mch.po_gen_pos(data:Array,matches:Array):Generator
• ary_mch.po_gen_match(data:Array,matches:Array):Generator
• ary_mch.po_is_match(data:Array,matches:Array):Boolean

LICENSE

• ISC