Fix cordova 7.x issues

scripts/lib/swiftHelper.js

@@ -72,17 +72,51 @@ function init(ctx) {
  * @return {Object} projectFile - project file information
  */
 function loadProjectFile() {
-  var platform_ios,
-    projectFile;
+  var platform_ios;
+  var projectFile;
 
   try {
     // try pre-5.0 cordova structure
     platform_ios = context.requireCordovaModule('cordova-lib/src/plugman/platforms')['ios'];
     projectFile = platform_ios.parseProjectFile(iosPlatformPath);
   } catch (e) {
-    // let's try cordova 5.0 structure
-    platform_ios = context.requireCordovaModule('cordova-lib/src/plugman/platforms/ios');
-    projectFile = platform_ios.parseProjectFile(iosPlatformPath);
+    try {
+      // let's try cordova 5.0 structure
+      platform_ios = context.requireCordovaModule('cordova-lib/src/plugman/platforms/ios');
+      projectFile = platform_ios.parseProjectFile(iosPlatformPath);
+    } catch (e) {
+      // Then cordova 7.0
+      var project_files = context.requireCordovaModule('glob').sync(path.join(iosPlatformPath, '*.xcodeproj', 'project.pbxproj'));
+
+      if (project_files.length === 0) {
+        throw new Error('does not appear to be an xcode project (no xcode project file)');
+      }
+
+      var pbxPath = project_files[0];
+
+      var xcodeproj = context.requireCordovaModule('xcode').project(pbxPath);
+      xcodeproj.parseSync();
+
+      projectFile = {
+        'xcode': xcodeproj,
+        write: function () {
+          var fs = context.requireCordovaModule('fs');
+          var frameworks_file = path.join(iosPlatformPath, 'frameworks.json');
+          var frameworks = {};
+        try {
+          frameworks = context.requireCordovaModule(frameworks_file);
+        } catch (e) { }
+
+        fs.writeFileSync(pbxPath, xcodeproj.writeSync());
+          if (Object.keys(frameworks).length === 0){
+            // If there is no framework references remain in the project, just remove this file
+            context.requireCordovaModule('shelljs').rm('-rf', frameworks_file);
+            return;
+          }
+          fs.writeFileSync(frameworks_file, JSON.stringify(this.frameworks, null, 4));
+        }
+      };
+    }
   }
 
   return projectFile;