feat: support command aliases with webpack-cli version (#1664)

Author: jamesgeorge007

packages/webpack-cli/lib/groups/HelpGroup.js

@@ -49,7 +49,7 @@ class HelpGroup {
     outputVersion(externalPkg, commandsUsed, invalidArgs) {
         if (externalPkg && commandsUsed.length === 1 && invalidArgs.length === 0) {
             try {
-                if (commandsUsed.includes(externalPkg.name)) {
+                if ([externalPkg.alias, externalPkg.name].some((pkg) => commandsUsed.includes(pkg))) {
                     const { name, version } = require(`@webpack-cli/${defaultCommands[externalPkg.name]}/package.json`);
                     process.stdout.write(`\n${name} ${version}`);
                 } else {

test/version/version-external-packages.test.js

@@ -17,6 +17,13 @@ describe('version flag with external packages', () => {
         expect(stderr).toHaveLength(0);
     });
 
+    it('outputs version with the alias c for init', () => {
+        const { stdout, stderr } = run(__dirname, ['c', '--version'], false);
+        expect(stdout).toContain(initPkgJSON.version);
+        expect(stdout).toContain(cliPkgJSON.version);
+        expect(stderr).toHaveLength(0);
+    });
+
     it('outputs version with info', () => {
         const { stdout, stderr } = run(__dirname, ['info', '--version'], false);
         expect(stdout).toContain(infoPkgJSON.version);