Subversion Repositories SmartDukaan

#!/usr/bin/env node

// Add Platform Class

// v1.0

// Automatically adds the platform class to the body tag

// after the `prepare` command. By placing the platform CSS classes

// directly in the HTML built for the platform, it speeds up

// rendering the correct layout/style for the specific platform

// instead of waiting for the JS to figure out the correct classes.

var fs = require('fs');

var path = require('path');

var rootdir = process.argv[2];

function addPlatformBodyTag(indexPath, platform) {

  // add the platform class to the body tag

  try {

    var platformClass = 'platform-' + platform;

    var cordovaClass = 'platform-cordova platform-webview';

    var html = fs.readFileSync(indexPath, 'utf8');

    var bodyTag = findBodyTag(html);

    if(!bodyTag) return; // no opening body tag, something's wrong

    if(bodyTag.indexOf(platformClass) > -1) return; // already added

    var newBodyTag = bodyTag;

    var classAttr = findClassAttr(bodyTag);

    if(classAttr) {

      // body tag has existing class attribute, add the classname

      var endingQuote = classAttr.substring(classAttr.length-1);

      var newClassAttr = classAttr.substring(0, classAttr.length-1);

      newClassAttr += ' ' + platformClass + ' ' + cordovaClass + endingQuote;

      newBodyTag = bodyTag.replace(classAttr, newClassAttr);

    } else {

      // add class attribute to the body tag

      newBodyTag = bodyTag.replace('>', ' class="' + platformClass + ' ' + cordovaClass + '">');

    }

    html = html.replace(bodyTag, newBodyTag);

    fs.writeFileSync(indexPath, html, 'utf8');

    process.stdout.write('add to body class: ' + platformClass + '\n');

  } catch(e) {

    process.stdout.write(e);

  }

}

function findBodyTag(html) {

  // get the body tag

  try{

    return html.match(/<body(?=[\s>])(.*?)>/gi)[0];

  }catch(e){}

}

function findClassAttr(bodyTag) {

  // get the body tag's class attribute

  try{

    return bodyTag.match(/ class=["|'](.*?)["|']/gi)[0];

  }catch(e){}

}

if (rootdir) {

  // go through each of the platform directories that have been prepared

  var platforms = (process.env.CORDOVA_PLATFORMS ? process.env.CORDOVA_PLATFORMS.split(',') : []);

  for(var x=0; x<platforms.length; x++) {

    // open up the index.html file at the www root

    try {

      var platform = platforms[x].trim().toLowerCase();

      var indexPath;

      if(platform == 'android') {

        indexPath = path.join('platforms', platform, 'assets', 'www', 'index.html');

      } else {

        indexPath = path.join('platforms', platform, 'www', 'index.html');

      }

      if(fs.existsSync(indexPath)) {

        addPlatformBodyTag(indexPath, platform);

      }

    } catch(e) {

      process.stdout.write(e);

    }

  }

}