nv-facutil-alias

• nv-facutil-alias is a simple util for multi-key dict
• simplified version of nv-facutil-multi-ey

install

• npm install nv-facutil-alias

usage

const {Alias,AlreadyExistError,NotExistError,hole,noexist} = require("nv-facutil-alias");


var alias = new Alias(cfg);

example

new

var cfg = {
    alias: {
        key0:["k00","k01"],
        key1:["k10","k11"],
    },
    defaults : {
        key0:200,
    }
}

var alias = new Alias(cfg);

> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(3) { 'key1', 'k10', 'k11' } => Symbol(hole)
}
>

get

> alias.get('k00')
200
> alias.get('k02')
Symbol(noexist)
> alias.get('key0')
200
>

set

> alias.set("k10",9999999)
true
> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(3) { 'key1', 'k10', 'k11' } => 9999999
}
> alias.set("k",77777)
false
> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(3) { 'key1', 'k10', 'k11' } => 9999999
}
>

add_alias

> alias.add_alias('k10',['k@','k$','k'])
[ 'k@', 'k$', 'k' ]
> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(6) { 'key1', 'k10', 'k11', 'k@', 'k$', 'k' } => 9999999
}
>
> alias.set("k",77777)
true
> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(6) { 'key1', 'k10', 'k11', 'k@', 'k$', 'k' } => 77777
}
>

add

> alias.add("name",["id","n"])
[ 'name', 'id', 'n' ]
> alias
Alias(3) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(6) { 'key1', 'k10', 'k11', 'k@', 'k$', 'k' } => 77777,
  Set(3) { 'name', 'id', 'n' } => Symbol(hole)
}
>

> alias.set('id',"0xabcdef")
true
> alias
Alias(3) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(6) { 'key1', 'k10', 'k11', 'k@', 'k$', 'k' } => 77777,
  Set(3) { 'name', 'id', 'n' } => '0xabcdef'
}
>

del_alias

> alias.del_alias('id',['id','name'])
[ 'id', 'name' ]
> alias
Alias(3) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(6) { 'key1', 'k10', 'k11', 'k@', 'k$', 'k' } => 77777,
  Set(1) { 'n' } => '0xabcdef'
}
>

delete

> alias.delete('k10')
true
> alias
Alias(2) [Map] {
  Set(3) { 'key0', 'k00', 'k01' } => 200,
  Set(1) { 'n' } => '0xabcdef'
}
>

METHODS

• alias.get(k)

• alias.set(k,value)

• alias.add(key,aliases=[])

• alias.del(k)

• alias.add_alias(k,aliases)

• alias.del_alias(k,aliases)

• alias.alias_

• alias.defaults_

LICENSE

• ISC