fix: finish 2.9.0 plugin moves and get every check green

packages/plugin-sdk/cli/lib/static-url-imports.mjs

@@ -0,0 +1,54 @@
+import crypto from "node:crypto";
+import fs from "node:fs";
+import path from "node:path";
+
+/**
+ * `import url from "some/file.js?url"` in a plugin frontend, as core's Vite
+ * build allows: the file is copied next to the bundle under assets/ and the
+ * import becomes its URL, resolved against the bundle's own URL so it works
+ * under /plugin-assets/<id>/. Only scripts, since that is all the asset
+ * route serves (a pdfjs or Monaco worker, say).
+ */
+export function staticUrlImports({ outDir }) {
+  return {
+    name: "static-url-imports",
+    setup(build) {
+      build.onResolve({ filter: /\?url$/ }, async (args) => {
+        const target = args.path.slice(0, -"?url".length);
+        const resolved = await build.resolve(target, {
+          kind: args.kind,
+          resolveDir: args.resolveDir,
+          importer: args.importer,
+        });
+        if (resolved.errors.length > 0) return { errors: resolved.errors };
+        return { path: resolved.path, namespace: "static-url" };
+      });
+
+      build.onLoad({ filter: /.*/, namespace: "static-url" }, (args) => {
+        if (!/\.(m?js|cjs)$/.test(args.path)) {
+          return {
+            errors: [
+              {
+                text: `${args.path}: only script files can be imported with ?url`,
+              },
+            ],
+          };
+        }
+        const bytes = fs.readFileSync(args.path);
+        const hash = crypto
+          .createHash("sha256")
+          .update(bytes)
+          .digest("hex")
+          .slice(0, 8);
+        const base = path.basename(args.path).replace(/\.(m?js|cjs)$/, "");
+        const name = `${base}-${hash}.js`;
+        fs.mkdirSync(path.join(outDir, "assets"), { recursive: true });
+        fs.writeFileSync(path.join(outDir, "assets", name), bytes);
+        return {
+          contents: `export default new URL("./assets/${name}", import.meta.url).href;`,
+          loader: "js",
+        };
+      });
+    },
+  };
+}