base-core: fix varargs cli argument handling

cli/jhipster-command.mjs

@@ -18,7 +18,7 @@
  */
 
 import chalk from 'chalk';
-import { Command, Option } from 'commander';
+import { Argument, Command, Option } from 'commander';
 import { kebabCase } from 'lodash-es';
 import { convertConfigToOption } from '../lib/command/index.js';
 
@@ -167,7 +167,11 @@ export default class JHipsterCommand extends Command {
     Object.entries(jhipsterArguments ?? {}).forEach(([key, value]) => {
       let argName = value.type === Array ? `${key}...` : key;
       argName = value.required ? `<${argName}>` : `[${argName}]`;
-      this.argument(argName, value.description);
+      const argument = new Argument(argName, value.description);
+      if (value.choices) {
+        argument.choices(value.choices.map(choice => (typeof choice === 'string' ? choice : choice.value)));
+      }
+      this.addArgument(argument);
     });
     return this;
   }

generators/base-core/generator.ts

@@ -578,6 +578,8 @@ You can ignore this error by passing '--skip-checks' to jhipster command.`);
           argument = positionalArguments;
           positionalArguments = [];
         }
+        // Replace varargs empty array with undefined.
+        argument = Array.isArray(argument) && argument.length === 0 ? undefined : argument;
         if (argument !== undefined) {
           const convertedValue = !argumentDef.type || argumentDef.type === Array ? argument : argumentDef.type(argument);
           if (argumentDef.scope === undefined || argumentDef.scope === 'generator') {

generators/ci-cd/generator.spec.ts

@@ -22,6 +22,7 @@ import { describe, expect, it } from 'esmocha';
 import { snakeCase } from 'lodash-es';
 
 import { shouldSupportFeatures, testBlueprintSupport } from '../../test/support/tests.js';
+import { defaultHelpers as helpers, runResult } from '../../lib/testing/helpers.js';
 import Generator from './index.js';
 
 const __filename = fileURLToPath(import.meta.url);
@@ -35,4 +36,28 @@ describe(`generator - ${generator}`, () => {
   });
   shouldSupportFeatures(Generator);
   describe('blueprint support', () => testBlueprintSupport(generator));
+
+  describe('questions', () => {
+    describe('without answers', () => {
+      before(async () => {
+        await helpers
+          .runJHipster('ci-cd')
+          .withJHipsterConfig()
+          .withOptions({
+            // ciCd argument is a varargs, pass an empty array to check if ciCd prompt is asked
+            positionalArguments: [[]],
+          })
+          .withSkipWritingPriorities();
+      });
+
+      it('should match order', () => {
+        expect(runResult.askedQuestions.map(({ name }) => name)).toMatchInlineSnapshot(`
+[
+  "ciCd",
+  "ciCdIntegrations",
+]
+`);
+      });
+    });
+  });
 });

lib/command/converter.ts

@@ -1,7 +1,9 @@
 import type { JHipsterOptionDefinition } from '../jdl/core/types/parsing.js';
-import type { ConfigSpec, JHipsterArguments, JHipsterConfigs, JHipsterOption } from './types.js';
+import type { ConfigSpec, JHipsterArguments, JHipsterConfigs, JHipsterOption, JHispterChoices } from './types.js';
 
-export const extractArgumentsFromConfigs = (configs: JHipsterConfigs | undefined): JHipsterArguments => {
+type JHipsterArgumentsWithChoices = JHipsterArguments & { choices?: JHispterChoices };
+
+export const extractArgumentsFromConfigs = (configs: JHipsterConfigs | undefined): JHipsterArgumentsWithChoices => {
   if (!configs) return {};
   return Object.fromEntries(
     Object.entries(configs)
@@ -11,10 +13,11 @@ export const extractArgumentsFromConfigs = (configs: JHipsterConfigs | undefined
         {
           description: def.description,
           scope: def.scope,
+          choices: def.choices,
           ...def.argument,
         },
       ]),
-  ) as JHipsterArguments;
+  ) as JHipsterArgumentsWithChoices;
 };
 
 export const extractJdlDefinitionFromCommandConfig = (configs: JHipsterConfigs = {}): JHipsterOptionDefinition[] =>