var-clean

clean variable

Usage no npm install needed!

<script type="module">
  import varClean from 'https://cdn.skypack.dev/var-clean';
</script>

README

var-clean Build Status

Simple JavaScript library that clean variable

npm install var-clean

Usage:

var clean = require('var-clean').clean;
clean.cleanInteger(2);  //return 2
clean.cleanInteger('2');  //return 2
clean.cleanInteger('asdf');  //return undefined

var cleanOrThrow = require('var-clean').cleanOrThrow;
cleanOrThrow.cleanInteger(2);  //return 2
cleanOrThrow.cleanInteger('2');  //return 2
cleanOrThrow.cleanInteger('asdf');  //throw Error 'Not a Number'

Based on the spec:

clean

value cleanBoolean cleanTruthy cleanInteger cleanPositiveInteger cleanString cleanOnlyString
true true true undefined undefined 'true' undefined
'true' true true undefined undefined 'true' 'true'
false false false undefined undefined 'false' undefined
'false' false false undefined undefined 'false' 'false'
{} undefined true undefined undefined undefined undefined
{ipsum: 'lorem'} undefined true undefined undefined undefined undefined
'lorem' undefined true undefined undefined 'lorem' 'lorem'
'' undefined false undefined undefined '' ''
1 undefined true 1 1 '1' undefined
0 undefined false 0 0 '0' undefined
153 undefined true 153 153 '153' undefined
'153' undefined true 153 153 '153' '153'
-153 undefined true -153 undefined '-153' undefined
'-153' undefined true -153 undefined -'153' -'153'
undefined undefined false undefined undefined 'undefined' undefined
null undefined false undefined undefined 'null' undefined

cleanOrThrow

value cleanBoolean cleanTruthy cleanInteger cleanPositiveInteger cleanString cleanOnlyString
true true true Not a Number Not a Number 'true' Not a String
'true' true true Not a Number Not a Number 'true' 'true'
false false false undefined Not a Number 'false' Not a String
'false' false false Not a Number Not a Number 'false' 'false'
{} Not a Boolean true Not a Number Not a Number Not a String Not a String
{ipsum: 'lorem'} Not a Boolean true Not a Number Not a Number Not a String Not a String
'lorem' Not a Boolean true Not a Number Not a Number 'lorem' 'lorem'
'' Not a Boolean false Not a Number Not a Number '' ''
1 Not a Boolean true 1 1 '1' Not a String
0 Not a Boolean false 0 0 '0' Not a String
153 Not a Boolean true 153 153 '153' Not a String
'153' Not a Boolean true 153 153 '153' '153'
-153 Not a Boolean true -153 Negative number '-153' Not a String
'-153' Not a Boolean true -153 Negative number -'153' -'153'
undefined Not a Boolean false Not a Number Not a Number 'undefined' Not a String
null Not a Boolean false Not a Number Not a Number 'null' Not a String