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Node.js util.types.isModuleNamespaceObject() Method

Last Updated : 13 Aug, 2020
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This function is used to check whether the following object is an instance of Module Namespace Object. This function returns a true value if the value is an instance of a Module Namespace Object. Syntax: 
util.types.isModuleNamespaceObject( value );
Parameters:
  • value: This value parameter is of any type. It is the value for which the function is to be checked for.
Return value: This function returns Boolean value. It returns True or false depending on whether an object is a Module Namespace Object or not. Example 1: Filename: index.js javascript 
// Requiring module
const util = require('util');
const mongoose = require('mongoose')

console.log(util.types.isModuleNamespaceObject(mongoose))
console.log(util.types.isModuleNamespaceObject(util))
Output: 
false
false
Example 2: Filename: index.js javascript 
// Requiring file
const b = require('./index.js');
// The index.js can be anyfile located in 
// the directory where the code resides

// Requiring module
const util = require('util')

if (util.types.isModuleNamespaceObject(b)) {
   console.log("It is a namespaceobject module")
} else {
   console.log("It is not a namespace object module")
}
Run index.js file using the following command: 
node index.js
Output: 
It is not a namespaceobject module
Reference: https://nodejs.org/api/util.html#util_util_types_ismodulenamespaceobject_value

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