NativeScript: Update platform-specific manifests

standard-version.js

const fs = require('fs');
const path = require('path');
const pkg = require('./package');
const convert = require('xml-js');
const beautify = require('xml-beautifier');
const plist = require('plist');

updateIOSPList();
updateAndroidManifest();

/**
 * Update iOS PList file with new version
 */
function updateIOSPList() {
    const iosPListPath = path.resolve('./app/App_Resources/iOS/Info.plist');

    let iosPListFile = fs.readFileSync(iosPListPath, { encoding: 'utf-8' }).toString();

    if(!iosPListFile) {
        throw new Error("Could not update iOS Plist file");
    }

    let iosPList = plist.parse(iosPListFile);

    iosPList.CFBundleShortVersionString = pkg.version;
    iosPList.CFBundleVersion = pkg.version;

    const newIOSPList = plist.build(iosPList);

    fs.writeFileSync(iosPListPath, newIOSPList, 'utf8');
}

/**
 * Update Android Manifest with new version
 */
function updateAndroidManifest() {
    const androidManifestPath = path.resolve('./app/App_Resources/Android/src/main/AndroidManifest.xml');

    let androidManifest = fs.readFileSync(androidManifestPath, { encoding: 'utf-8' }).toString();

    let androidManifestXml = convert.xml2js(androidManifest, {
        object: true,
        reversible: true,
        coerce: false,
        sanitize: false,
        trim: false,
        arrayNotation: false,
        alternateTextNode: false
    });

    if(!androidManifestXml.elements[0].attributes['android:versionCode'] && !androidManifestXml.elements[0].attributes['android:versionName']) {
        throw new Error("Could not update Android Manifest");
    }

    androidManifestXml.elements[0].attributes['android:versionCode'] = pkg.version.replace(/\./g, '') + '000';
    androidManifestXml.elements[0].attributes['android:versionName'] = pkg.version;

    const newAndroidManifest = convert.js2xml(androidManifestXml);

    fs.writeFileSync(androidManifestPath, beautify(newAndroidManifest), 'utf8');
}