Add minify option to backend:build

Co-authored-by: Ainhoa Larumbe <ainhoal@spotify.com>
Signed-off-by: Vincenzo Scamporlino <me@vinzscam.dev>

.changeset/pretty-eagles-relate.md

@@ -2,8 +2,9 @@
 '@backstage/cli': patch
 ---
 
-Add cli option to minify the generated code of a plugin
+Add cli option to minify the generated code of a plugin or backend package
 
 ```
 backstage-cli plugin:build --minify
+backstage-cli backend:build --minify
 ```

docs/local-dev/cli-commands.md

@@ -165,6 +165,7 @@ common example being the `migrations` directory.
 Usage: backstage-cli backend:build [options]
 
 Options:
+  --minify    Minify the generated code
   -h, --help  display help for command
 ```
 

packages/cli/src/commands/backend/build.ts

@@ -14,10 +14,12 @@
  * limitations under the License.
  */
 
+import { Command } from 'commander';
 import { buildPackage, Output } from '../../lib/builder';
 
-export default async () => {
+export default async (cmd: Command) => {
   await buildPackage({
     outputs: new Set([Output.cjs, Output.types]),
+    minify: cmd.minify,
   });
 };

packages/cli/src/commands/index.ts

@@ -44,6 +44,7 @@ export function registerCommands(program: CommanderStatic) {
   program
     .command('backend:build')
     .description('Build a backend plugin')
+    .option('--minify', 'Minify the generated code')
     .action(lazy(() => import('./backend/build').then(m => m.default)));
 
   program