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Modular Programming with JavaScript

You're reading from   Modular Programming with JavaScript Modularize your JavaScript code for better readability, greater maintainability, and enhanced testability

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Product type Paperback
Published in Jul 2016
Publisher Packt
ISBN-13 9781785880650
Length 274 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. What Are Modules and Their Advantages? FREE CHAPTER 2. Review of Important JavaScript OOP Concepts 3. Module Design Pattern 4. Designing Simple Modules 5. Module Augmentation 6. Cloning, Inheritance, and Submodules 7. Base, Sandbox, and Core Modules 8. Application Implementation – Putting It All Together 9. Modular Application Design and Testing 10. Enterprise Grade Modular Design, AMD, CommonJS, and ES6 Modules Index

Creating ImagesInc_Utilites module


Since a utilities module is a good place to implement our object cloning code, let's create our ImagesInc_Utilites module as follows:

var ImagesInc_Utilitizes = (function(){
 
    var clone = function clone(deep) {
        
        // create an instance of the object
        var newClonedObj = new this.constructor();
    
        //copy all properties from the original object
        for (var property in this){
            // if deep flag is not set, just do a shallow copy of properties
            if (!deep){ 
                if(this.hasOwnProperty(property)){
                    newClonedObj[property] = this[property];
                }
            // to make a deep copy, call the function recursively
            }else if (typeof this[property] == 'object' && this.hasOwnProperty(property)){
                newClonedObj[property] = this[property].clone(deep);
            }else if(this.hasOwnProperty(property)){
                //Just copy properties...
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