use null marker in id

sites/svelte.dev/src/routes/docs/+server.js

@@ -1,5 +1,5 @@
 // @ts-expect-error custom suffix doesn't have types
-import js from './redirect.js?minified';
+import js from 'minified-raw:./redirect.js';
 
 // prerenderer will choke otherwise
 export const prerender = false;

sites/svelte.dev/vite.config.js

@@ -4,24 +4,50 @@ import { readFile } from 'node:fs/promises';
 import browserslist from 'browserslist';
 import { transformWithEsbuild } from 'vite';
 
-/** @type {import('vite').Plugin[]} */
+/**
-const plugins = [
+ * @param {string[]} ext
-	raw(['.ttf']),
+ * @returns {import("vite").Plugin}
-	sveltekit(),
+ */
-	{
+function raw(ext) {
-		name: 'minified-raw-js',
+	return {
+		name: 'vite-plugin-raw',
+		async transform(_, id) {
+			if (ext.some((e) => id.endsWith(e))) {
+				const buffer = await readFile(id);
+				return { code: `export default ${JSON.stringify(buffer)}`, map: null };
+			}
+		}
+	};
+}
+
+/** @returns {import('vite').Plugin} */
+function minified_raw_plugin() {
+	const prefix = 'minified-raw:';
 
+	return {
+		name: 'minified-raw-js',
+		async resolveId(id, importer) {
+			if (id.startsWith(prefix)) {
+				const resolved = await this.resolve(id.slice(prefix.length), importer);
+				return '\0' + prefix + resolved.id;
+			}
+		},
 		async load(id) {
-			if (id.endsWith('.js?minified')) {
+			if (id.startsWith('\0' + prefix)) {
-				const file = id.replace('?minified', '');
+				const real_id = id.slice(1 + prefix.length);
-				let code = await readFile(file, 'utf-8');
+				const original = await readFile(real_id, 'utf-8');
-				return `export default ${JSON.stringify(
+				const { code } = await transformWithEsbuild(original, real_id, {
-					(await transformWithEsbuild(code, file, { minify: true, format: 'esm' })).code
+					minify: true,
-				)}`;
+					format: 'esm'
+				});
+				return `export default ${JSON.stringify(code)}`;
 			}
 		}
-	}
+	};
-];
+}
+
+/** @type {import('vite').Plugin[]} */
+const plugins = [raw(['.ttf']), sveltekit(), minified_raw_plugin()];
 
 // Only enable sharp if we're not in a webcontainer env
 if (!process.versions.webcontainer) {
@@ -38,22 +64,6 @@ if (!process.versions.webcontainer) {
 	);
 }
 
-/**
- * @param {string[]} ext
- * @returns {import("vite").Plugin}
- */
-function raw(ext) {
-	return {
-		name: 'vite-plugin-raw',
-		async transform(_, id) {
-			if (ext.some((e) => id.endsWith(e))) {
-				const buffer = await readFile(id);
-				return { code: `export default ${JSON.stringify(buffer)}`, map: null };
-			}
-		}
-	};
-}
-
 /** @type {import('vite').UserConfig} */
 const config = {
 	logLevel: 'info',