How to use the cordova/modulemapper.clobbers function in cordova

document.addEventListener('deviceready',function(){
            if(!cacheCalled) {
                navigator.serviceWorker.register('/cordova-sw.js').then(function(registration) {
                    // Registration was successful
                    console.log('ServiceWorker registration successful with scope: ', registration.scope);
                }, function(err) {
                    // registration failed :(
                    console.log('ServiceWorker registration failed: ', err);
                });
            }
        });

        var modulemapper = require('cordova/modulemapper');
        var channel = require('cordova/channel');

        modulemapper.clobbers('cordova/exec/proxy', 'cordova.commandProxy');

        channel.onNativeReady.fire();

        document.addEventListener("visibilitychange", function(){
            if(document.hidden) {
                channel.onPause.fire();
            }
            else {
                channel.onResume.fire();
            }
        });

    // End of bootstrap
    }
};

function onScriptLoadingComplete(moduleList, finishPluginLoading) {
            console.log('onscript loading complete')
            // Loop through all the plugins and then through their clobbers and merges.
            for (var i = 0, module; module = moduleList[i]; i++) { // eslint-disable-line no-cond-assign
                if (module.clobbers && module.clobbers.length) {
                    for (var j = 0; j < module.clobbers.length; j++) {
                        modulemapper.clobbers(module.id, module.clobbers[j]);
                    }
                }

                if (module.merges && module.merges.length) {
                    for (var k = 0; k < module.merges.length; k++) {
                        modulemapper.merges(module.id, module.merges[k]);
                    }
                }

                // Finally, if runs is truthy we want to simply require() the module.
                if (module.runs) {
                    modulemapper.runs(module.id);
                }
            }

            finishPluginLoading();

} else {
    document.addEventListener('DOMContentLoaded', function () {
        channel.onDOMContentLoaded.fire();
    }, false);
}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

modulemapper.clobbers('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function () {
    pluginloader.load(function () {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.
 */
channel.join(function () {

channel.onDOMContentLoaded.fire();
} else {
    document.addEventListener('DOMContentLoaded', function() {
        channel.onDOMContentLoaded.fire();
    }, false);
}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

modulemapper.clobbers('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function() {
    pluginloader.load(function() {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.
 */

function onScriptLoadingComplete (moduleList, finishPluginLoading) {
    // Loop through all the plugins and then through their clobbers and merges.
    for (var i = 0, module; (module = moduleList[i]); i++) {
        if (module.clobbers && module.clobbers.length) {
            for (var j = 0; j < module.clobbers.length; j++) {
                modulemapper.clobbers(module.id, module.clobbers[j]);
            }
        }

        if (module.merges && module.merges.length) {
            for (var k = 0; k < module.merges.length; k++) {
                modulemapper.merges(module.id, module.merges[k]);
            }
        }

        // Finally, if runs is truthy we want to simply require() the module.
        if (module.runs) {
            modulemapper.runs(module.id);
        }
    }

    finishPluginLoading();

if (document.readyState == 'complete' || document.readyState == 'interactive') {
    channel.onDOMContentLoaded.fire();
} else {
    document.addEventListener('DOMContentLoaded', function() {
        channel.onDOMContentLoaded.fire();
    }, false);
}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

modulemapper.clobbers('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function() {
    pluginloader.load(function() {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.

if (document.readyState === 'complete' || document.readyState === 'interactive') {
    channel.onDOMContentLoaded.fire();
} else {
    document.addEventListener('DOMContentLoaded', function () {
        channel.onDOMContentLoaded.fire();
    }, false);
}

// _nativeReady is global variable that the native side can set
// to signify that the native code is ready. It is a global since
// it may be called before any cordova JS is ready.
if (window._nativeReady) {
    channel.onNativeReady.fire();
}

modulemapper.clobbers('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

// Call the platform-specific initialization.
platform.bootstrap && platform.bootstrap();

// Wrap in a setTimeout to support the use-case of having plugin JS appended to cordova.js.
// The delay allows the attached modules to be defined before the plugin loader looks for them.
setTimeout(function () {
    pluginloader.load(function () {
        channel.onPluginsReady.fire();
    });
}, 0);

/**
 * Create all cordova objects once native side is ready.

function handlePluginsObject(moduleList) {
        // if moduleList is not defined or empty, we've nothing to do
        if (!moduleList || !moduleList.length) {
            return;
        }

        // Loop through all the modules and then through their clobbers and merges.
        for (var i = 0, module; module = moduleList[i]; i++) { // eslint-disable-line no-cond-assign
            if (module.clobbers && module.clobbers.length) {
                for (var j = 0; j < module.clobbers.length; j++) {
                    modulemapper.clobbers(module.id, module.clobbers[j]);
                }
            }

            if (module.merges && module.merges.length) {
                for (var k = 0; k < module.merges.length; k++) {
                    modulemapper.merges(module.id, module.merges[k]);
                }
            }

            // Finally, if runs is truthy we want to simply require() the module.
            if (module.runs) {
                modulemapper.runs(module.id);
            }
        }
    }

define("cordova/symbols", function(require, exports, module) {

var modulemapper = require('cordova/modulemapper');

// Use merges here in case others symbols files depend on this running first,
// but fail to declare the dependency with a require().
modulemapper.merges('cordova', 'cordova');
modulemapper.clobbers('cordova/exec', 'cordova.exec');
modulemapper.clobbers('cordova/exec', 'Cordova.exec');

});

bootstrap:function() {
        var cordova = require('cordova'),
            exec = require('cordova/exec'),
            channel = cordova.require('cordova/channel'),
            modulemapper = require('cordova/modulemapper');

        modulemapper.clobbers('cordova/exec/proxy', 'cordova.commandProxy');
        channel.onNativeReady.fire();

        var onWinJSReady = function () {
            var app = WinJS.Application;
            var checkpointHandler = function checkpointHandler() {
                cordova.fireDocumentEvent('pause',null,true);
            };

            var resumingHandler = function resumingHandler() {
                cordova.fireDocumentEvent('resume',null,true);
            };

            app.addEventListener("checkpoint", checkpointHandler);
            Windows.UI.WebUI.WebUIApplication.addEventListener("resuming", resumingHandler, false);
            app.start();
        };