feat: remove @vercel/og (#28)

* wip

* wip

* support dynamic assets

* changeset

.changeset/seven-berries-repair.md

@@ -0,0 +1,5 @@
+---
+"hono-og": patch
+---
+
+Migrated from `@vercel/og` to direct Satori + Resvg for non-edge/worker targets.

.scripts/postbuild.ts

@@ -0,0 +1,20 @@
+import { copyFileSync, mkdirSync } from "node:fs";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+await copyWasm();
+
+async function copyWasm() {
+  const distDir = resolve(__dirname, "../src/lib/wasm");
+  mkdirSync(distDir);
+  copyFileSync(
+    resolve(__dirname, "../src/wasm/resvg.wasm"),
+    resolve(distDir, "resvg.wasm"),
+  );
+  copyFileSync(
+    resolve(__dirname, "../src/wasm/yoga.wasm"),
+    resolve(distDir, "yoga.wasm"),
+  );
+}

example/package.json

@@ -1,6 +1,7 @@
 {
   "name": "example",
   "private": true,
+  "version": "0.0.0",
   "scripts": {
     "dev": "bun run --hot src/index.tsx"
   },

package.json

@@ -1,7 +1,7 @@
 {
-  "workspaces": ["src", "example", "vendor/*"],
+  "workspaces": ["src", "example"],
   "scripts": {
-    "build": "bun run clean && tsc --project ./tsconfig.build.json",
+    "build": "bun run clean && tsc --project ./tsconfig.build.json && bun .scripts/postbuild.ts",
     "changeset": "changeset",
     "changeset:release": "bun run build && changeset publish",
     "changeset:version": "changeset version && bun install --lockfile-only",