fix: Disable Live Sync in production builds.

Author: sboyina

src/command.js

@@ -12,7 +12,7 @@ const et = require('elementtree');
 const path = require('path');
 const npmCache = require('./npm-cache');
 const { showConfirmation } = require('./requirements');
-const { isDirectory } = require('./utils');
+const { isDirectory, readAndReplaceFileContent } = require('./utils');
 
 const loggerLabel = 'wm-cordova-cli';
 
@@ -142,6 +142,15 @@ async function updatePackageJson(dest, cordovaVersion, cordovaIosVersion, cordov
     fs.writeFileSync(projectDir + 'config.xml', data);
 }
 
+async function setIsAppConnectedToPreviewToFalse(projectDir) {
+    const writeFn = function(content) {
+        return content.replace(/isAppConnectedToPreview\(\)/, 'isAppConnectedToPreview() && false');
+    };
+    const mobileScriptDir = `${projectDir}www/wmmobile/scripts`;
+    await readAndReplaceFileContent(`${mobileScriptDir}/wm-mobileloader.js`, writeFn);
+    await readAndReplaceFileContent(`${mobileScriptDir}/wm-mobileloader.min.js`, writeFn);
+}
+
 async function getDefaultDestination(projectDir, platform) {
     let data = fs.readFileSync(projectDir + 'config.xml').toString();
     const config = et.parse(data);
@@ -278,6 +287,9 @@ module.exports = {
                 label: loggerLabel,
                 message: `Building at : ${config.src}`
             });
+            if (args.buildType === 'release') {
+                await setIsAppConnectedToPreviewToFalse(config.src);
+            }
             await updatePackageJson(args.dest, args.cordovaVersion, args.cordovaIosVersion, args.cordovaAndroidVersion);
             const cordovaToUse = args.cordovaVersion ? config.src + 'node_modules/cordova/bin/cordova' : 'cordova';
             const cordovaVersion = args.cordovaVersion || (await exec('cordova', ['--version'])).join('').match(/[0-9][0-9\.]+/)[0];

src/utils.js

@@ -6,6 +6,22 @@ const endWith = (str, suffix) => {
     return str;
 };
 
+async function readAndReplaceFileContent(path, writeFn) {
+    if (!fs.existsSync(path)) {
+        return;
+    }
+    const content = fs.readFileSync(path, 'utf-8');
+    return Promise.resolve().then(() => {    
+        return writeFn && writeFn(content);
+    }).then((modifiedContent) => {
+        if (modifiedContent !== undefined && modifiedContent !== null) {
+            fs.writeFileSync(path, modifiedContent);
+            return modifiedContent;
+        }
+        return content;
+    });
+}
+
 function isDirectory(path) {
     try {
         return fs.existsSync(path) && fs.lstatSync(path).isDirectory();
@@ -20,5 +36,6 @@ module.exports = {
         const f = files.find(f => f.match(nameregex));
         return endWith(path, '/') + f;
     },
-    isDirectory: isDirectory
+    isDirectory: isDirectory,
+    readAndReplaceFileContent: readAndReplaceFileContent
 };