cordova.js

// file: F:/coho/cordova-windows/cordova-js-src/confighelper.js
define("cordova/confighelper", function(require, exports, module) {

// config.xml wrapper (non-node ConfigParser analogue)
var config, doc;
var utils = require("cordova/utils");

var isPhone = (cordova.platformId == 'windows') && WinJS.Utilities.isPhone;
var isWin10UWP = navigator.appVersion.indexOf('MSAppHost/3.0') !== -1;
var manifestFilePath = isWin10UWP ? "/package.windows10.appxmanifest" : (isPhone ? "/package.phone.appxmanifest" : "/package.windows.appxmanifest");

var isHosted = window.location.protocol.indexOf('http') === 0;
var isMsAppxWeb = window.location.protocol.indexOf('ms-appx-web') === 0;

var schema = (isHosted || isWin10UWP && isMsAppxWeb) ? 'ms-appx-web' : 'ms-appx';

manifestFilePath = 'ms-appx:///www' + manifestFilePath;//schema + '://' + manifestFilePath;

function XmlFile(text) {
    this.text = text;
}

XmlFile.prototype.loadTags = function (tagName) {
    var parser;
    if (!this.doc) {
        parser = new DOMParser();
        this.doc = parser.parseFromString(this.text, "application/xml");
    }

    var tags = this.doc.getElementsByTagName(tagName);
    return Array.prototype.slice.call(tags);
}

function Config(text) {
    XmlFile.apply(this, arguments);
    this.preferences = this.loadTags("preference");
}

function Manifest(text) {
    XmlFile.apply(this, arguments);
    this.splashScreen = this.loadTags("SplashScreen")[0];
}

utils.extend(Config, XmlFile);
utils.extend(Manifest, XmlFile);

function requestFile(filePath, success, error) {
    var xhr;

    if (typeof config != 'undefined') {
        success(config);
    }

    function fail(msg) {
        console.error(msg);

        if (error) {
            error(msg);
        }
    }

    var xhrStatusChangeHandler = function () {
        if (xhr.readyState == 4) {
            if (xhr.status == 200 || xhr.status == 304 || xhr.status == 0 /* file:// */) {
                success(xhr);
            }
            else {
                fail('[Windows][cordova.js][xhrStatusChangeHandler] Could not XHR ' + filePath + ': ' + xhr.statusText);
            }
        }
    };

    xhr = new XMLHttpRequest();
    xhr.addEventListener("load", xhrStatusChangeHandler);

    try {
        xhr.open("get", filePath, true);
        xhr.send();
    } catch (e) {
        fail('[Windows][cordova.js][xhrFile] Could not XHR ' + filePath + ': ' + JSON.stringify(e));
    }
}

function readConfig(success, error) {
    requestFile("/config.xml", function (xhr) {
        success(new Config(xhr.responseText));
    }, error);
}

function readManifest(success, error) {
    function getFileContentAsync(filePath) {
        var uri = new Windows.Foundation.Uri(filePath);
        return Windows.Storage.StorageFile.getFileFromApplicationUriAsync(uri).then(function (file) {
            return Windows.Storage.FileIO.readTextAsync(file);
        });
    }

    getFileContentAsync(manifestFilePath).then(function (text) {
        success(new Manifest(text));
    }, error);
}

/**
 * Reads a preference value from config.xml.
 * Returns preference value or undefined if it does not exist.
 * @param {String} preferenceName Preference name to read */
Config.prototype.getPreferenceValue = function (preferenceName) {
    var preferenceItem = this.preferences && this.preferences.filter(function (item) {
        return item.attributes['name'].value === preferenceName;
    });

    if (preferenceItem && preferenceItem[0] && preferenceItem[0].attributes && preferenceItem[0].attributes['value']) {
        return preferenceItem[0].attributes['value'].value;
    }
}

/**
 * Reads SplashScreen image path
 */
Manifest.prototype.getSplashScreenImagePath = function () {
    return this.splashScreen.attributes['Image'].value;
}

exports.readConfig = readConfig;
exports.readManifest = readManifest;

});

// usage:
                var manifest;
                e.setPromise(makePromise(configHelper.readManifest).then(function (manifestTmp) {
                    manifest = manifestTmp;
                    return makePromise(configHelper.readConfig);
                })
                .then(function (config) {
                    splashscreen.firstShow(config, manifest, e);
                }).then(function () {
...

//
        // Update splashscreen image path to match application manifest
        splashImageSrc = schema + ':///' + manifest.getSplashScreenImagePath().replace(/\\/g, '/');