var-clean

var-clean

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