upgrade @ryanatkn/belt@0.24 and fix task timings

.changeset/silver-oranges-hide.md

@@ -0,0 +1,5 @@
+---
+"@ryanatkn/gro": minor
+---
+
+upgrade `@ryanatkn/belt@0.24` and fix task timings

package.json

@@ -44,7 +44,7 @@
     "typescript"
   ],
   "dependencies": {
-    "@ryanatkn/belt": "^0.23.0",
+    "@ryanatkn/belt": "^0.24.1",
     "chokidar": "^3.6.0",
     "dotenv": "^16.4.5",
     "es-module-lexer": "^1.5.4",

src/lib/invoke_task.ts

@@ -27,18 +27,26 @@ import type {Gro_Config} from './config.js';
  * Precise error messages are especially difficult and
  * there are some subtle differences in the complex logical branches.
  * The comments describe each condition.
+ *
+ * @param task_name - The name of the task to invoke.
+ * @param args - The CLI args to pass to the task.
+ * @param config - The Gro configuration.
+ * @param initial_timings - The timings to use for the top-level task, `null` for composed tasks.
  */
 export const invoke_task = async (
 	task_name: Raw_Input_Path,
 	args: Args | undefined,
 	config: Gro_Config,
-	timings = new Timings(),
+	initial_timings: Timings | null = null,
 ): Promise<void> => {
 	const log = new System_Logger(print_log_label(task_name || 'gro'));
 	log.info('invoking', task_name ? cyan(task_name) : 'gro');
 
+	const timings = initial_timings ?? new Timings();
+
 	const total_timing = create_stopwatch();
 	const finish = () => {
+		if (!initial_timings) return; // print timings only for the top-level task
 		print_timings(timings, log);
 		log.info(`🕒 ${print_ms(total_timing())}`);
 	};

src/lib/package.ts

@@ -39,7 +39,7 @@ export const package_json = {
 		'typescript',
 	],
 	dependencies: {
-		'@ryanatkn/belt': '^0.23.0',
+		'@ryanatkn/belt': '^0.24.1',
 		chokidar: '^3.6.0',
 		dotenv: '^16.4.5',
 		'es-module-lexer': '^1.5.4',