Feat: option --allow-cors for resource sharing

README.md

@@ -58,6 +58,7 @@ Options:
   -t,--target <url> remote proxy server
      --no-reload    close  auto-reload feature,(not recommended)
      --no-launch    close the auto launch feature
+     --allow-cors   allow cross origin resource sharing
   -h,--help     help list
 
 ```

src/cli.js

@@ -36,6 +36,7 @@ program
   .option('--views <path>', 'change the template\' folder, default is ./views')
   .option('--no-reload', 'stop livereload')
   .option('--no-launch', 'stop autolaunch page in browser')
+  .option('--allow-cors', 'allow CORS for all origins')
 
 
 
@@ -62,7 +63,8 @@ program.once('done', function(createFile){
     views: program.views,
     reload: program.reload,
     launch: program.launch,
-    engine: program.engine
+    engine: program.engine,
+    allowCORS: program.allowCors,
   }
 
 

src/index.js

@@ -103,7 +103,15 @@ var puer = module.exports = function ( options ){
     options.server = server;
     app.use( livereload (options))
   }
-
+
+  if (options.allowCORS) {
+    // Allow Cross Origin Resource Sharing
+    // https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
+    app.use(function (req, res, next) {
+      res.setHeader("Access-Control-Allow-Origin", "*");
+      return next();
+    });
+  }
 
   if(options.rules){ app.use( rewrite( options ) ); }
   app.use( folder( options ) );