refac: improve multi browser support

lib/base64loader.ts

@@ -0,0 +1,16 @@
+import fs from "fs";
+import mime from "mime-types";
+
+export const base64Loader = {
+  name: "base64-loader",
+  transform(_: any, id: string) {
+    const [filePath, query] = id.split("?");
+    if (query !== "base64") return null;
+
+    const data = fs.readFileSync(filePath, { encoding: 'base64' });
+    const mimeType = mime.lookup(filePath);
+    const dataURL = `data:${mimeType};base64,${data}`;
+
+    return `export default '${dataURL}';`;
+  },
+};