feat: support Rolldown (#13747)

Author: teemingc

.changeset/nine-ads-tease.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': minor
+---
+
+feat: add support for Rolldown. See https://vite.dev/guide/rolldown.html#how-to-try-rolldown for details about how to try it. You will also need `vite-plugin-svelte@^6.0.0-next.0` and `vite@^7.0.0-beta.0`.

package.json

@@ -38,6 +38,7 @@
 	"pnpm": {
 		"onlyBuiltDependencies": [
 			"esbuild",
+			"rolldown",
 			"sharp",
 			"svelte-preprocess",
 			"workerd"

packages/adapter-auto/package.json

@@ -41,7 +41,7 @@
 	},
 	"devDependencies": {
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"@types/node": "^18.19.48",
 		"typescript": "^5.3.3",
 		"vitest": "catalog:"

packages/adapter-cloudflare/test/apps/pages/package.json

@@ -11,10 +11,10 @@
 	},
 	"devDependencies": {
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"server-side-dep": "file:server-side-dep",
 		"svelte": "^5.23.1",
-		"vite": "^6.2.7",
+		"vite": "catalog:",
 		"wrangler": "^4.14.3"
 	},
 	"type": "module"

packages/adapter-cloudflare/test/apps/workers/package.json

@@ -11,10 +11,10 @@
 	},
 	"devDependencies": {
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"server-side-dep": "file:server-side-dep",
 		"svelte": "^5.23.1",
-		"vite": "^6.2.7",
+		"vite": "catalog:",
 		"wrangler": "^4.14.3"
 	},
 	"type": "module"

packages/adapter-netlify/package.json

@@ -51,7 +51,7 @@
 		"@rollup/plugin-json": "^6.1.0",
 		"@rollup/plugin-node-resolve": "^16.0.0",
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"@types/node": "^18.19.48",
 		"@types/set-cookie-parser": "^2.4.7",
 		"rollup": "^4.14.2",

packages/adapter-node/package.json

@@ -44,7 +44,7 @@
 	"devDependencies": {
 		"@polka/url": "^1.0.0-next.28",
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"@types/node": "^18.19.48",
 		"polka": "^1.0.0-next.28",
 		"sirv": "^3.0.0",

packages/adapter-static/package.json

@@ -41,12 +41,12 @@
 	"devDependencies": {
 		"@playwright/test": "catalog:",
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"@types/node": "^18.19.48",
 		"sirv": "^3.0.0",
 		"svelte": "^5.23.1",
 		"typescript": "^5.3.3",
-		"vite": "^6.2.7"
+		"vite": "catalog:"
 	},
 	"peerDependencies": {
 		"@sveltejs/kit": "^2.0.0"

packages/adapter-static/test/apps/prerendered/package.json

@@ -10,10 +10,10 @@
 	},
 	"devDependencies": {
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"sirv-cli": "^3.0.0",
 		"svelte": "^5.23.1",
-		"vite": "^6.2.7"
+		"vite": "catalog:"
 	},
 	"type": "module"
 }

packages/adapter-static/test/apps/spa/package.json

@@ -11,10 +11,10 @@
 	"devDependencies": {
 		"@sveltejs/adapter-node": "workspace:^",
 		"@sveltejs/kit": "workspace:^",
-		"@sveltejs/vite-plugin-svelte": "^5.0.1",
+		"@sveltejs/vite-plugin-svelte": "catalog:",
 		"sirv-cli": "^3.0.0",
 		"svelte": "^5.23.1",
-		"vite": "^6.2.7"
+		"vite": "catalog:"
 	},
 	"type": "module"
 }