Add banner text to main.min.js

- Add `---` YAML Front Matter as a workaround to allow the theme gem's version to be overridden locally.
- Adjust page scope in Front Matter default to avoid adding a layout to `main.min.js`
- Fixes #874, Fixes #722

banner.js

@@ -0,0 +1,21 @@
+const fs = require('fs');
+const pkg = require('./package.json');
+const filename = 'assets/js/main.min.js';
+const script = fs.readFileSync(filename);
+const padStart = str => ('0' + str).slice(-2)
+const dateObj = new Date;
+const date = `${dateObj.getFullYear()}-${padStart(dateObj.getMonth() + 1)}-${padStart(dateObj.getDate())}`;
+const banner = `---
+layout:
+---
+
+/*!
+ * Minimal Mistakes Jekyll Theme ${pkg.version} by ${pkg.author}
+ * Copyright ${dateObj.getFullYear()} Michael Rose - mademistakes.com | @mmistakes
+ * Licensed under ${pkg.license}
+ */
+`;
+
+if (script.slice(0, 3) != '/**') {
+  fs.writeFileSync(filename, banner + script);
+}

docs/_config.yml

@@ -195,7 +195,7 @@ defaults:
       related: true
   # _pages
   - scope:
-      path: ""
+      path: "_pages"
       type: pages
     values:
       layout: single

package.json

@@ -27,7 +27,8 @@
   },
   "scripts": {
     "uglify": "uglifyjs assets/js/vendor/jquery/jquery-1.12.4.min.js assets/js/plugins/jquery.fitvids.js assets/js/plugins/jquery.greedy-navigation.js assets/js/plugins/jquery.magnific-popup.js assets/js/plugins/jquery.smooth-scroll.min.js assets/js/_main.js -c -m -o assets/js/main.min.js",
+    "add-banner": "node banner.js",
     "watch:js": "onchange \"assets/js/**/*.js\" -e \"assets/js/main.min.js\" -- npm run build:js",
-    "build:js": "npm run uglify"
+    "build:js": "npm run uglify && npm run add-banner"
   }
 }

test/_config.yml

@@ -258,7 +258,7 @@ defaults:
       related: true
   # _pages
   - scope:
-      path: ""
+      path: "_pages"
       type: pages
     values:
       layout: single