*add polyfill injection to have Buffer and process be global

build.js

@@ -10,6 +10,7 @@ esbuild.buildSync({
   define: {
     global: "self",
   },
+  inject: ["./polyfill.js"],
 });
 
 esbuild.buildSync({

polyfill.js

@@ -0,0 +1,2 @@
+export const process = require("process");
+export const Buffer = require("buffer").Buffer;