refactor build scripts

util/buildAppConfig.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var fs = require('fs');
+var shell = require('shelljs');
+
+var getCommitHash = function() {
+  //exec git command to get the hash of the current commit
+  //git rev-parse HEAD
+
+  var hash = shell.exec('git rev-parse HEAD', {
+    silent: true
+  }).output.trim().substr(0, 7);
+  return hash;
+}
+
+var commitHash = getCommitHash();
+
+
+var appConfig = JSON.parse(fs.readFileSync('./appConfig.json', 'utf8'));
+var pkg = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
+
+console.log('v' + pkg.version + ' #' + commitHash + ' App:' + appConfig.name);
+
+
+var content = 'window.version="' + pkg.version + '";';
+content = content + '\nwindow.commitHash="' + commitHash + '";';
+
+content = content + '\nwindow.appConfig=' + JSON.stringify(appConfig) + ';';
+fs.writeFileSync("./src/js/appConfig.js", content);
+