Github user nikhilkh commented on a diff in the pull request:

    https://github.com/apache/cordova-windows/pull/96#discussion_r34167579
  
    --- Diff: template/cordova/lib/package.js ---
    @@ -130,58 +145,47 @@ module.exports.findDevice = function (target) {
     };
     
     // returns array of available devices names
    -module.exports.listDevices = function () {
    -    return utils.getAppDeployUtils().then(function(appDeployUtils) {
    -        return exec('"' + appDeployUtils + '" 
/enumeratedevices').then(function(output) {
    -            return Q.resolve(output.split('\n').map(function(line) {
    -                var match = /\s*(\d)+\s+(.*)/.exec(line);
    -                return match && match[2];
    -            }).filter(function (line) {
    -                return line;
    -            }));
    +module.exports.listDevices = function (deploymentTool) {
    +    
    +    return deploymentTool.enumerateDevices().then(function(deviceList) {
    +        return deviceList.map(function(device) {
    +            return device.toString();
             });
    -    });
    -};
    -
     
    -function installAppToPhone(appDeployUtils, package, target, update) {
    -    // /installlaunch option sometimes fails with 'Error: The parameter is 
incorrect.'
    -    // so we use separate steps to /install or /update and then /launch
    -    var cmd = update ? '/update' : '/install';
    -    console.log('Installing application...');
    -    return spawn(appDeployUtils, [cmd, package.appx, '/targetdevice:' + 
target]);
    -}
    +    }, function(e) {
    +        console.warn('Failed to enumerate devices');
    +        console.warn(e);
     
    -function runAppOnPhone(appDeployUtils, target) {
    -    return Q().then(function() {
    -        return module.exports.getAppId(path.join(__dirname, '..', '..'));
    -    }).then(function(appId) {
    -        console.log('Running application... ');
    -        return spawn(appDeployUtils, ['/launch', appId, '/targetdevice:' + 
target]);
    +        throw e;
         });
    -}
    +};
    +
     
     function uninstallAppFromPhone(appDeployUtils, package, target) {
         console.log('Attempting to remove previously installed 
application...');
    -    return spawn(appDeployUtils, ['/uninstall', package.phoneId, 
'/targetdevice:' + target]);
    +    return appDeployUtils.uninstallAppPackage(package.phoneId, target);
     }
     
     // deploys specified phone package to device/emulator and launches it
    -module.exports.deployToPhone = function (package, deployTarget, 
targetWindows10) {
    -    var getTarget = deployTarget == 'device' ? Q('de') :
    -        deployTarget == 'emulator' ? Q('xd') : 
module.exports.findDevice(deployTarget);
    -
    -    return getTarget.then(function(target) {
    -        return 
utils.getAppDeployUtils(targetWindows10).then(function(appDeployUtils) {
    +module.exports.deployToPhone = function (package, deployTarget, 
targetWindows10, deploymentTool) {
    +    var deployment;
    +    if (deploymentTool) {
    +        deployment = Q(deploymentTool);
    +    }
    +    else {
    +        deployment = utils.getAppDeployUtils(targetWindows10);
    +    }
     
    -            return uninstallAppFromPhone(appDeployUtils, package, 
target).then(
    +    return deployment.then(function(deploymentTool) {
    +        return module.exports.findDevice(deploymentTool, 
deployTarget).then(function(target) {
    +            return uninstallAppFromPhone(deploymentTool, package, 
target).then(
                     function() {}, function() {}).then(function() {
    -                    return installAppToPhone(appDeployUtils, package, 
target, false);
    -                }).then(function() {
    -                    return runAppOnPhone(appDeployUtils, target);
    -                }, function(error) {
    +                    // shouldUpdate = false because we've already 
uninstalled
    +                    return deploymentTool.installAppPackage(package.appx, 
target, true, false);
    --- End diff --
    
    It's not clear from looking at the code what the literal `true` stands for 
unless I got to definition of the function `installAppPackage`.


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