Fix react-devtools projectRoots parse

Author: jhen0409

electron/url-handle/handleURL.js

@@ -30,7 +30,7 @@ export const parseUrl = _url => {
   const query = {
     host: resolveHost(host),
     port: Number(port) || 8081,
-    projectRoots: Array.isArray(projectRoots) ? filterPaths(projectRoots.split(',')) : undefined,
+    projectRoots: filterPaths(Array.isArray(projectRoots) ? projectRoots : [projectRoots]),
   };
   return query;
 };

npm-package/src/injectDevToolsMiddleware.js

@@ -91,7 +91,8 @@ const rnFlags = {
       replaceFunc:
         "function launchDefaultDebugger(host, port, args = '', skipRNDebugger) {",
       funcCall: '(host, port, args, true)',
-      args: "(host || 'localhost') + '&port=' + port + '&args=' + args",
+      args: "(host || 'localhost') + '&port=' + port + '&projectRoots=' + process.cwd() + " +
+        "'&args=' + args",
     },
   ],
 };