Setup node bin

package.json

@@ -3,10 +3,19 @@
   "version": "1.0.0",
   "description": "btoj (Binary to JavaScript) is a utility that converts binary files into pure JavaScript modules exporting those files as Node.js Buffers.",
   "main": "src/btoj.js",
+  "engines": {
+    "node": ">= 6.0.0"
+  },
   "files": [
     "/src",
     "/types"
   ],
+  "bin": {
+    "btoj": "./src/btoj.js"
+  },
+  "scripts": {
+    "btoj": "node src/btoj.js"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/statsig-io/btoj.git"

src/btoj.js

@@ -1,9 +1,11 @@
+#!/usr/bin/env node
+
 const fs = require("fs");
 const { exit } = require("process");
 
-fs.readFile("./binary.bin", "latin1", (e, d) => {
-  if (e) {
-    console.error(e);
+fs.readFile("./binary.bin", "latin1", (re, d) => {
+  if (re) {
+    console.error(re);
     exit(1);
   }
 
@@ -22,11 +24,16 @@ fs.readFile("./binary.bin", "latin1", (e, d) => {
     `const data = Buffer.from("${data}", "latin1");
 module.exports = data;
 `,
-    (e) => {
-      if (e) {
-        console.error(e);
+
+    (we) => {
+      if (we) {
+        console.error(we);
         exit(1);
       }
+
+      console.info(
+        `Generated binary.js\nYou can now delete binary.bin from your project. The js file is all you need.`
+      );
     }
   );
 });