check if a value is nonpresent

basically the same as is-blank.

installation

npm install is-nonpresent

usage

const isNonpresent = require('is-nonpresent')
 
isNonpresent([])              // => true
isNonpresent({})              // => true
isNonpresent(0)               // => true
isNonpresent(function(){})    // => true
isNonpresent(null)            // => true
isNonpresent(undefined)       // => true
isNonpresent('')              // => true
isNonpresent('    ')          // => true
isNonpresent('\r\t\n ')       // => true
 
isNonpresent(['a', 'b'])      // => false
isNonpresent({ a: 'b' })      // => false
isNonpresent('string')        // => false
isNonpresent(42)              // => false
isNonpresent(function(a,b){}) // => false

related:

• is-present
• is-blank
• is-whitespace
• is-empty