renamed the post-pack script and added comments for clarity

Author: davidrapin

package.json

@@ -4,7 +4,7 @@
   "description": "Data-table plugin for Linkurious Enterprise",
   "main": "index.js",
   "scripts": {
-    "postpack": "scripts/bundle.js"
+    "postpack": "scripts/postpack.js"
   },
   "author": "Linkurious",
   "license": "Apache 2",

scripts/bundle.js

@@ -0,0 +1,18 @@
+#!/usr/bin/env node
+
+'use strict';
+const { spawnSync } = require( 'child_process' );
+
+// read the package.json file
+const pack = require(__dirname + '/../package.json');
+
+// construct the archive base name
+const baseName = pack.name + '-' + pack.version;
+
+// unzip the .TGZ file to a .TAR file
+const gunzip = spawnSync('gunzip', [baseName + '.tgz']);
+console.log('gunzip:' + gunzip.stdout.toString() + ' / ' + gunzip.stderr.toString());
+
+// rename the .TAR file to an .LKE file
+const mv = spawnSync( 'mv', [baseName + '.tar', baseName + '.lke']);
+console.log('mv:' + mv.stdout.toString() + ' / ' + mv.stderr.toString());