enforce vite 3

sveltejs · Jul 14, 2022 · 293d564 · 293d564
1 parent 3f5eb6a
commit 293d564
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/packages/kit/src/vite/index.js b/packages/kit/src/vite/index.js
@@ -160,6 +160,9 @@ function kit() {
 		};
 	}
 
+	// TODO remove this for 1.0
+	check_vite_version();
+
 	return {
 		name: 'vite-plugin-svelte-kit',
 
@@ -388,6 +391,23 @@ function kit() {
 	};
 }
 
+function check_vite_version() {
+	let vite_major = 3;
+
+	try {
+		const pkg = JSON.parse(fs.readFileSync('package.json', 'utf-8'));
+		vite_major = +pkg.devDependencies['vite'].replace(/^[~^]/, '')[0];
+	} catch {
+		// do nothing
+	}
+
+	if (vite_major < 3) {
+		throw new Error(
+			`Vite version ${vite_major} is no longer supported. Please upgrade to version 3`
+		);
+	}
+}
+
 /** @param {import('rollup').OutputBundle} bundle */
 function collect_output(bundle) {
 	/** @type {import('rollup').OutputChunk[]} */