fix rest param type generation (#4361)

* fix rest param type generation * Create happy-eggs-shop.md Co-authored-by: Rich Harris <hello@rich-harris.dev>
sveltejs · Mar 17, 2022 · 85d9231 · 85d9231
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diff --git a/.changeset/happy-eggs-shop.md b/.changeset/happy-eggs-shop.md
@@ -0,0 +1,5 @@
+---
+"@sveltejs/kit": patch
+---
+
+fix rest param type generation
diff --git a/packages/kit/src/core/sync/write_types.js b/packages/kit/src/core/sync/write_types.js
@@ -29,7 +29,7 @@ export function write_types(config, manifest_data) {
 		/** @type {string[]} */
 		const params = [];
 
-		const pattern = /\[([^\]]+)\]/g;
+		const pattern = /\[(?:\.{3})?([^\]]+)\]/g;
 		let match;
 
 		while ((match = pattern.exec(key))) {