Cordova build hook, to use build version from config.xml in your hybrid app

020_build_version.js

#!/usr/bin/env node

// config.xml => <hook src="hooks/020_build_version.js" type="after_prepare" />
// This plugin replaces text in a file with the app version from config.xml.
module.exports = function(ctx) {
    var wwwFileToReplace = "js/index.js";

    //var fs = require('fs');
    var fs = ctx.requireCordovaModule('fs'),
        path = ctx.requireCordovaModule('path'),
        //xml2js = ctx.requireCordovaModule('xml2js'),
        deferral = ctx.requireCordovaModule('q').defer();

    var xml2js = require('xml2js')

    var json = "";
    var fileData = fs.readFileSync("config.xml", 'ascii');
    var parser = new xml2js.Parser();
    parser.parseString(fileData.substring(0, fileData.length), function (err, result) {
        json = result;
    });
    var rawJSON = json;

    //var rawJSON = loadConfigXMLDoc(configXMLPath);
    var version = rawJSON.widget.$.version;
    console.log("Version:", version);

    var rootdir = ctx.opts.projectRoot;
    var wwwPath = "";

    if (ctx.opts.platforms[0].indexOf('android') > -1) {
        wwwPath = "platforms/android/assets/www/";
        console.log("Current build platforms: Android");
    }

    if (ctx.opts.platforms[0].indexOf('ios') > -1) {
        wwwPath = "platforms/ios/www/";

        console.log("Current build platforms: iOS");
    }

    var fullfilename = path.join(rootdir, wwwPath + wwwFileToReplace);

    if (fs.existsSync(fullfilename)) {
        
        var data = fs.readFileSync(fullfilename, 'utf8');

        var result = data.replace(new RegExp("%%VERSION%%", "g"), version);
        fs.writeFileSync(fullfilename, result, 'utf8');

        console.log("Replaced version in file: " + fullfilename);
    }

    return true;
};

appController.js

angular.module('equipmentShare').controller('AppController', function ($scope, BUILD) {
    $scope.appVersion = BUILD.VERSION;
});

build.js

/*
 * Cordova build hook will replace this version with the actual version from config.xml.
 */
angular.module('equipmentShare').constant('BUILD', {
    VERSION: "%%VERSION%%"
});

sidemenu.html

<!-- This example is from an Ionic app. Modify as needed for your framework/templating solution. -->
... other content ...
    <ion-item>
        Version {{appVersion}}
    </ion-item>
... other content ...