94 lines
2.7 KiB
JavaScript
Executable file
94 lines
2.7 KiB
JavaScript
Executable file
#!/usr/bin/env node
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// Add Platform Class
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// v1.0
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// Automatically adds the platform class to the body tag
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// after the `prepare` command. By placing the platform CSS classes
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// directly in the HTML built for the platform, it speeds up
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// rendering the correct layout/style for the specific platform
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// instead of waiting for the JS to figure out the correct classes.
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var fs = require('fs');
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var path = require('path');
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var rootdir = process.argv[2];
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function addPlatformBodyTag(indexPath, platform) {
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// add the platform class to the body tag
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try {
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var platformClass = 'platform-' + platform;
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var cordovaClass = 'platform-cordova platform-webview';
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var html = fs.readFileSync(indexPath, 'utf8');
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var bodyTag = findBodyTag(html);
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if(!bodyTag) return; // no opening body tag, something's wrong
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if(bodyTag.indexOf(platformClass) > -1) return; // already added
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var newBodyTag = bodyTag;
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var classAttr = findClassAttr(bodyTag);
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if(classAttr) {
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// body tag has existing class attribute, add the classname
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var endingQuote = classAttr.substring(classAttr.length-1);
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var newClassAttr = classAttr.substring(0, classAttr.length-1);
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newClassAttr += ' ' + platformClass + ' ' + cordovaClass + endingQuote;
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newBodyTag = bodyTag.replace(classAttr, newClassAttr);
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} else {
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// add class attribute to the body tag
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newBodyTag = bodyTag.replace('>', ' class="' + platformClass + ' ' + cordovaClass + '">');
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}
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html = html.replace(bodyTag, newBodyTag);
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fs.writeFileSync(indexPath, html, 'utf8');
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process.stdout.write('add to body class: ' + platformClass + '\n');
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} catch(e) {
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process.stdout.write(e);
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}
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}
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function findBodyTag(html) {
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// get the body tag
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try{
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return html.match(/<body(?=[\s>])(.*?)>/gi)[0];
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}catch(e){}
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}
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function findClassAttr(bodyTag) {
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// get the body tag's class attribute
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try{
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return bodyTag.match(/ class=["|'](.*?)["|']/gi)[0];
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}catch(e){}
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}
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if (rootdir) {
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// go through each of the platform directories that have been prepared
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var platforms = (process.env.CORDOVA_PLATFORMS ? process.env.CORDOVA_PLATFORMS.split(',') : []);
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for(var x=0; x<platforms.length; x++) {
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// open up the index.html file at the www root
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try {
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var platform = platforms[x].trim().toLowerCase();
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var indexPath;
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if(platform == 'android') {
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indexPath = path.join('platforms', platform, 'assets', 'www', 'index.html');
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} else {
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indexPath = path.join('platforms', platform, 'www', 'index.html');
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}
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if(fs.existsSync(indexPath)) {
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addPlatformBodyTag(indexPath, platform);
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}
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} catch(e) {
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process.stdout.write(e);
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}
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}
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}
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