fix: exit fedx-scripts with the status code of the invoked tool

Author: David Joy

scripts/babel.js

@@ -9,5 +9,7 @@ module.exports = (args = []) => {
     args.push(`--config-file=${configFile}`);
   }
 
-  spawn('babel', args);
+  spawn('babel', args).on('exit', (code) => {
+    process.exit(code);
+  });
 };

scripts/eslint.js

@@ -10,5 +10,7 @@ module.exports = (args = []) => {
     args.push(`--config=${configFile}`);
   }
 
-  spawn('eslint', [...args, PROJECT_ROOT]);
+  spawn('eslint', [...args, PROJECT_ROOT]).on('exit', (code) => {
+    process.exit(code);
+  });
 };

scripts/jest.js

@@ -4,5 +4,7 @@ const getProjectConfigFile = require('../lib/getProjectConfigFile.js');
 module.exports = (args = []) => {
   getProjectConfigFile('jest');
 
-  spawn('jest', args);
+  spawn('jest', args).on('exit', (code) => {
+    process.exit(code);
+  });
 };

scripts/webpack-dev-server.js

@@ -14,5 +14,7 @@ module.exports = (args = []) => {
       NODE_ENV: 'development',
       BABEL_ENV: 'development',
     },
+  }).on('exit', (code) => {
+    process.exit(code);
   });
 };

scripts/webpack.js

@@ -14,5 +14,7 @@ module.exports = (args = []) => {
       NODE_ENV: 'production',
       BABEL_ENV: 'production',
     },
+  }).on('exit', (code) => {
+    process.exit(code);
   });
 };