call svelte-kit sync only if installed

changelog.md

@@ -1,5 +1,10 @@
 # changelog
 
+## 0.63.2
+
+- call `svelte-kit sync` only if it's installed
+  ([#353](https://github.com/feltcoop/gro/pull/353))
+
 ## 0.63.1
 
 - pass `--skipLibCheck` to `tsc` on `gro build` so it can be disabled in dependents' tsconfigs

src/build/buildSource.ts

@@ -19,7 +19,7 @@ export const buildSource = async (
 ): Promise<void> => {
 	log.info('building source', gray(dev ? 'development' : 'production'));
 
-	await sveltekitSync();
+	await sveltekitSync(fs);
 
 	const totalTiming = createStopwatch();
 	const timings = new Timings();

src/typecheck.task.ts

@@ -18,7 +18,7 @@ export const task: Task<Args> = {
 	run: async ({fs, args, log}): Promise<void> => {
 		const {tsconfig} = args;
 
-		await sveltekitSync();
+		await sveltekitSync(fs);
 
 		if (await fs.exists('node_modules/.bin/svelte-check')) {
 			// svelte-check

src/utils/sveltekit.ts

@@ -1,6 +1,11 @@
 import {unwrap} from '@feltcoop/felt';
 import {spawn} from '@feltcoop/felt/util/process.js';
 
-export const sveltekitSync = async (): Promise<void> => {
+import type {Filesystem} from '../fs/filesystem.js';
+
+export const sveltekitSync = async (fs: Filesystem): Promise<void> => {
+	if (!(await fs.exists('node_modules/.bin/svelte-kit'))) {
+		return;
+	}
 	unwrap(await spawn('npx', ['svelte-kit', 'sync']), 'failed svelte-kit sync');
 };