Bring back lost customDebugger function (#237)

packages/cli/src/commands/server/middleware/getDevToolsMiddleware.js

@@ -8,24 +8,41 @@
  */
 import launchChrome from '../launchChrome';
 import logger from '../../../tools/logger';
+import {exec} from 'child_process';
 
 function launchChromeDevTools(port, args = '') {
   const debuggerURL = `http://localhost:${port}/debugger-ui${args}`;
   logger.info('Launching Dev Tools...');
   launchChrome(debuggerURL);
 }
 
+function escapePath(pathname) {
+  // " Can escape paths with spaces in OS X, Windows, and *nix
+  return `"${pathname}"`;
+}
+
 function launchDevTools({port, watchFolders}, isChromeConnected) {
   // Explicit config always wins
   const customDebugger = process.env.REACT_DEBUGGER;
   if (customDebugger) {
-    customDebugger({watchFolders, customDebugger});
+    startCustomDebugger({watchFolders, customDebugger});
   } else if (!isChromeConnected()) {
     // Dev tools are not yet open; we need to open a session
     launchChromeDevTools(port);
   }
 }
 
+function startCustomDebugger({watchFolders, customDebugger}) {
+  const folders = watchFolders.map(escapePath).join(' ');
+  const command = `${customDebugger} ${folders}`;
+  console.log('Starting custom debugger by executing:', command);
+  exec(command, function(error, stdout, stderr) {
+    if (error !== null) {
+      console.log('Error while starting custom debugger:', error);
+    }
+  });
+}
+
 export default function getDevToolsMiddleware(options, isChromeConnected) {
   return function devToolsMiddleware(req, res, next) {
     if (req.url === '/launch-safari-devtools') {

yarn.lock

@@ -5695,15 +5695,10 @@ [email protected]:
   version "0.0.8"
   resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.1, minimist@^1.1.3:
+minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
-
 minimist@~0.0.1:
   version "0.0.10"
   resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"