nv-array-find-index

• nv-array-find-index

install

• npm install nv-array-find-index

usage

example

const ary_findi = require("nv-array-find-index")

var arr = [1,2,3,4,5]
var narr = ary_findi.all(arr,r=>r%2)
//[0,2,4]

var narr = ary_findi.all_not(arr,r=>r%2)
//[ 1, 3 ]

ary_findi.which(arr,1,r=>r%2)
//2
ary_findi.which(arr,5,r=>r%2)
//undefined
ary_findi.which_not(arr,1,r=>r%2)
//3

ary_findi.which_from_lst(arr,1,r=>r%2)
//2    5->4->3

ary_findi.fst(arr,r=>r%2)
//0
ary_findi.fst_not(arr,r=>r%2)
//1
ary_findi.lst(arr,r=>r%2)
//4
ary_findi.lst_not(arr,r=>r%2)
//3

ary_findi.some(arr,[0,2],r=>r%2)
//[0,4]
ary_findi.some_not(arr,[0,2],r=>r%2)
//[ 1 ]
ary_findi.some_not(arr,[0,1],r=>r%2)
//[ 1, 3 ]
ary_findi.some_from_lst(arr,[0,2],r=>r%2)
//[4,0]
ary_findi.some_not_from_lst(arr,[0,2],r=>r%2)
//[3]
ary_findi.some_not_from_lst(arr,[0,1],r=>r%2)
//[ 3, 1 ]

API

• ary_findi.fst(arr,cond_func,...other_params)
• ary_findi.fst_not(arr,cond_func,...other_params)
• ary_findi.lst(arr,cond_func,...other_params)
• ary_findi.fst_not(arr,cond_func,...other_params)
• ary_findi.which(arr,which,cond_func,...other_params)
• ary_findi.which_not(arr,which,cond_func,...other_params)
• ary_findi.which_from_lst(arr,which,cond_func,...other_params)
• ary_findi.which_not_from_lst(arr,which,cond_func,...other_params)
• ary_findi.some(arr,whiches,cond_func,...other_params)
• ary_findi.some_not(arr,whiches,cond_func,...other_params)
• ary_findi.some_from_lst(arr,whiches,cond_func,...other_params)
• ary_findi.some_not_from_lst(arr,whiches,cond_func,...other_params)
• ary_findi.all(arr,cond_func,...other_params)
• ary_findi.all_not(arr,cond_func,...other_params)

LICENSE

• ISC