source: frontend/node_modules/relateurl/lib/util/object.js

"use strict";

/*
        Deep-clone an object.
*/
function clone(obj)
{
        if (obj instanceof Object)
        {
                var clonedObj = (obj instanceof Array) ? [] : {};
                
                for (var i in obj)
                {
                        if ( obj.hasOwnProperty(i) )
                        {
                                clonedObj[i] = clone( obj[i] );
                        }
                }
                
                return clonedObj;
        }
        
        return obj;
}



/*
        https://github.com/jonschlinkert/is-plain-object
*/
function isPlainObject(obj)
{
        return !!obj && typeof obj==="object" && obj.constructor===Object;
}



/*
        Shallow-merge two objects.
*/
function shallowMerge(target, source)
{
        if (target instanceof Object && source instanceof Object)
        {
                for (var i in source)
                {
                        if ( source.hasOwnProperty(i) )
                        {
                                target[i] = source[i];
                        }
                }
        }
        
        return target;
}



module.exports =
{
        clone: clone,
        isPlainObject: isPlainObject,
        shallowMerge: shallowMerge
};