feat: static asset handling

src/utils.ts

@@ -1,4 +1,6 @@
 import { URL, URLSearchParams } from 'node:url'
+import path from 'node:path'
+import { createHash } from 'node:crypto'
 import { loadEnv as viteLoadEnv } from 'vite'
 
 export function isObject(value: unknown): value is Record<string, unknown> {
@@ -26,6 +28,15 @@ export function parseRequest(id: string): Record<string, string> | null {
   return Object.fromEntries(new URLSearchParams(search))
 }
 
+export function getHash(text: Buffer | string): string {
+  return createHash('sha256').update(text).digest('hex').substring(0, 8)
+}
+
+export function toRelativePath(filename: string, importer: string): string {
+  const relPath = path.posix.relative(path.dirname(importer), filename)
+  return relPath.startsWith('.') ? relPath : `./${relPath}`
+}
+
 /**
  * Load `.env` files within the `envDir`(default: `process.cwd()`).
  * By default, only env variables prefixed with `MAIN_VITE_`, `PRELOAD_VITE_` and