js-empty

#JSEmpty for NodeJS

Check empty or null value of object, array, string,.. for NodeJS

Installation

$ npm install jsempty

API

var jsEmpty = require('jsempty');

jsEmpty(params [, options])

params: This is a object, array, string,..

options: Optionally, you can add an array index are ignored. This is a object or array.

Return

true: is empty

false: not empty

Example

Example 1

``
var params = {
name:'MrTam',
email:null
};
if(jsEmpty(params)){
console.log('is empty');
}else{
console.log('not empty');
}
// return is empty
`

Example 2

`
var params = {
name:'MrTam',
email:null
};
if(jsEmpty(params, ['email'])){
console.log('is empty');
}else{
console.log('not empty');
}
// return not empty
`

Example 3

`
var params = {
name:'MrTam',
email:null,
birthday: {
day: 10,
month: 8,
year: null
}
};
if(jsEmpty(params, ['email'])){
console.log('is empty');
}else{
console.log('not empty');
}
// return is empty
`

Example 4

`
var params = {
name:'MrTam',
email:null,
birthday: {
day: 10,
month: 8,
year: null
}
};
if(jsEmpty(params, {'email':'email', birthday:['year']})){
console.log('is empty');
}else{
console.log('not empty');
}
// return not empty
`

Example 5

`
var params = {
name:'MrTam',
email:null,
birthday: {
day: 10,
month: 8,
year: null
}
};
if(jsEmpty(params, ['email', 'year'])){
console.log('is empty');
}else{
console.log('not empty');
}
// return not empty
``