Update: move cli tool to buckets.ts

Author: jacoborus

README.md

@@ -61,7 +61,7 @@ deno install --allow-net --allow-read --allow-write --allow-env https://deno.lan
 Run:
 
 ```sh
-buckets <entry_path> > my-bundle.js
+buckets <entry_path> [out_file]
 ```
 
 ### API

buckets.ts

@@ -0,0 +1,17 @@
+import { bundle } from "./mod.ts";
+
+const helpText = `USAGE:
+    buckets <source_file> [out_file]`;
+
+const [target, destination] = Deno.args;
+
+if (!target) {
+  console.log("Error: missing <source_file> param\n\n");
+  console.log(helpText);
+  Deno.exit(1);
+}
+
+const content = await bundle(target);
+
+if (destination) Deno.writeTextFileSync(destination, content);
+else await Deno.stdout.write(new TextEncoder().encode(content));