fix: use logger to throw error with proper exit code

packages/webpack-cli/lib/utils/__tests__/resolve-command.test.js

@@ -0,0 +1,32 @@
+jest.setMock('../prompt-installation', jest.fn());
+
+const resolveCommand = require('../resolve-command');
+const promptInstallation = require('../prompt-installation');
+
+describe('resolve-command util', () => {
+    const processExitSpy = jest.spyOn(process, 'exit').mockImplementation(() => {});
+    const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    beforeEach(() => {
+        processExitSpy.mockClear();
+        consoleErrorSpy.mockClear();
+    });
+
+    it('should not throw error', async () => {
+        promptInstallation.mockImplementation(() => {});
+
+        await expect(resolveCommand('info')).resolves.not.toThrow();
+        expect(processExitSpy.mock.calls.length).toBe(0);
+        expect(consoleErrorSpy.mock.calls.length).toBe(0);
+    });
+
+    it('should throw error and exit with invalid command', async () => {
+        promptInstallation.mockImplementation(() => {
+            throw new Error();
+        });
+
+        await resolveCommand('invalid');
+        expect(processExitSpy).toBeCalledWith(2);
+        expect(consoleErrorSpy.mock.calls.length).toBe(1);
+    });
+});

packages/webpack-cli/lib/utils/resolve-command.js

@@ -17,6 +17,7 @@ const run = async (name, ...args) => {
             });
         } catch (err) {
             logger.error(`Action Interrupted, use ${cyan('webpack-cli help')} to see possible commands.`);
+            process.exit(2);
         }
     }
 

packages/webpack-cli/lib/utils/run-command.js

@@ -1,4 +1,5 @@
 const execa = require('execa');
+const logger = require('./logger');
 
 async function runCommand(command, args = []) {
     try {
@@ -7,7 +8,8 @@ async function runCommand(command, args = []) {
             shell: true,
         });
     } catch (e) {
-        throw new Error(e);
+        logger.error(e);
+        process.exit(2);
     }
 }