feat: accept multiple options, add debug and warning messages

packages/create-plugin/src/utils/utils.config.ts

@@ -1,9 +1,12 @@
 import fs from 'node:fs';
 import path from 'node:path';
+import createDebug from 'debug';
 import { getVersion } from './utils.version.js';
 import { argv, commandName } from './utils.cli.js';
 import { DEFAULT_FEATURE_FLAGS } from '../constants.js';
 
+const debug = createDebug('config');
+
 export type FeatureFlags = {
   bundleGrafanaUI?: boolean;
 
@@ -88,12 +91,23 @@ function readRCFileSync(path: string): CreatePluginConfig | undefined {
 function createFeatureFlags(flags?: FeatureFlags): FeatureFlags {
   const featureFlags = commandName === 'generate' ? DEFAULT_FEATURE_FLAGS : flags ?? {};
   const cliArgFlags = parseFeatureFlagsFromCliArgs();
+  debug('Detected CLI feature flags:', cliArgFlags);
   return { ...featureFlags, ...cliArgFlags };
 }
 
 function parseFeatureFlagsFromCliArgs() {
-  const flagsfromCliArgs: string[] = argv.featureFlags ? argv.featureFlags.split(',') : [];
-  const knownFlags = flagsfromCliArgs.filter((item) => Object.keys(DEFAULT_FEATURE_FLAGS).includes(item));
+  const rawCliArgs = argv.featureFlags || argv.featureflags || argv['feature-flags'];
+  const flagsfromCliArgs: string[] = rawCliArgs ? rawCliArgs.split(',') : [];
+  const availableFlags = Object.keys(DEFAULT_FEATURE_FLAGS);
+  const knownFlags = flagsfromCliArgs.filter((item) => {
+    const isValidFeatureFlag = availableFlags.includes(item);
+
+    if (!isValidFeatureFlag) {
+      console.warn(`Warning! Unknown feature flag "${item}". (Available flags: ${availableFlags.join(', ')})`);
+    }
+
+    return isValidFeatureFlag;
+  });
   return knownFlags.reduce((acc, flag) => {
     return { ...acc, [flag]: true };
   }, {} as FeatureFlags);