Update package.json & create proper pre-flight / build process

Author: MattIPv4

.babelrc

@@ -6,7 +6,7 @@
         "forceAllTransforms": true,
         "useBuiltIns": "entry",
         "exclude": ["transform-regenerator", "transform-async-to-generator"],
-        "debug": true,
+        "debug": false,
         "loose": true
       }
     ]

fonts.js

@@ -1,17 +1,48 @@
+/**
+ *  macOSNotifJS: A simple Javascript plugin to create simulated macOS notifications on your website.
+ *  <https://github.com/MattIPv4/macOSNotifJS/>
+ *  Copyright (C) 2019 Matt Cowley (MattIPv4) (me@mattcowley.co.uk)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published
+ *   by the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *  This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *  You should have received a copy of the GNU Affero General Public License
+ *   along with this program. If not, please see
+ *   <https://github.com/MattIPv4/macOSNotifJS/blob/master/LICENSE> or <http://www.gnu.org/licenses/>.
+ */
+
+const chalk = require("chalk");
 const Fontmin = require("fontmin");
 
-const fonts = new Fontmin()
-    .src("src/fonts/src/*.otf")
-    .use(Fontmin.otf2ttf())
-    .use(Fontmin.ttf2eot())
-    .use(Fontmin.ttf2woff({ deflate: true }))
-    .dest("src/fonts/build");
+const buildFonts = () => {
+    return new Promise((resolve, reject) => {
+        const fonts = new Fontmin()
+            .src("src/fonts/src/*.otf")
+            .use(Fontmin.otf2ttf())
+            .use(Fontmin.ttf2eot())
+            .use(Fontmin.ttf2woff({ deflate: true }))
+            .dest("src/fonts/build");
 
-fonts.run((err, files) => {
-    if (err) throw err;
-    files.forEach(file => {
-        console.info("\x1b[36m%s\x1b[0m", "\n" + file.history.slice(-1)[0]);
-        console.log("\t" + file.history.slice(-1)[0].replace(/^.*[\\/]/, ""));
+        fonts.run((err, files) => {
+            if (err) {
+                console.error(chalk.red.bold("Failed to build fonts"));
+                reject();
+                throw err;
+            }
+            files.forEach(file => {
+                console.info(chalk.cyan("\n" + file.history.slice(-1)[0]));
+                console.log("\t" + file.history.slice(-1)[0].replace(/^.*[\\/]/, ""));
+            });
+            console.log(chalk.green("\nSuccessfully built " + files.length.toString() + " font files."));
+            resolve();
+        });
     });
-    console.log("\x1b[32m%s\x1b[0m", "\nSuccessfully built " + files.length.toString() + " font files.");
-});
+};
+
+// Run
+buildFonts();