try this

Rich-Harris · Rich-Harris · commit 9b9c082ebc46 · 2023-11-13T12:18:41.000-05:00
diff --git a/sites/svelte.dev/placeholder/index.html b/sites/svelte.dev/placeholder/index.html
@@ -0,0 +1 @@
+<p>see <a href="https://github.com/sveltejs/svelte/pull/9424">#9424</a></p>
diff --git a/sites/svelte.dev/vercel.json b/sites/svelte.dev/vercel.json
@@ -3,5 +3,6 @@
 	"github": {
 		"silent": true
 	},
-	"buildCommand": "echo \"TODO reinstate in future: cd ../../packages/svelte && pnpm prepublishOnly && cd ../../sites/svelte.dev && pnpm rebuild sharp && pnpm build\""
+	"buildCommand": "echo \"TODO reinstate in future: cd ../../packages/svelte && pnpm prepublishOnly && cd ../../sites/svelte.dev && pnpm rebuild sharp && pnpm build\"",
+	"outputDirectory": "placeholder"
 }

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+<p>see <a href="https://github.com/sveltejs/svelte/pull/9424">#9424</a></p>`
Original file line number	Diff line number	Diff line change
`@@ -3,5 +3,6 @@`
`3`	`3`	`"github": {`
`4`	`4`	`"silent": true`
`5`	`5`	`},`
`6`		`- "buildCommand": "echo \"TODO reinstate in future: cd ../../packages/svelte && pnpm prepublishOnly && cd ../../sites/svelte.dev && pnpm rebuild sharp && pnpm build\""`
	`6`	`+ "buildCommand": "echo \"TODO reinstate in future: cd ../../packages/svelte && pnpm prepublishOnly && cd ../../sites/svelte.dev && pnpm rebuild sharp && pnpm build\"",`
	`7`	`+ "outputDirectory": "placeholder"`
`7`	`8`	`}`