add error for missing destination

example/views/layout.njk

@@ -8,7 +8,7 @@
         {{ site.title }} | {{ page.title }}
     </title>
 
-    {{ helpers.meta(page) }}
+    {{ helpers.meta(page, site) }}
 
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link href="{{ asset('/css/styles.css') }}" rel="stylesheet" type="text/css">
@@ -22,7 +22,7 @@
         <div class="bar">
             <div class="bar__start">
                 <h1 class="site-header__title">
-                    
+                    {{ page.title }}
                 </h1>
             </div>
         </div>

src/engines/nunjucks.js

@@ -1,6 +1,7 @@
 const nunjucks = require('nunjucks')
 const fs = require('fs')
 const assign = require('assign-deep')
+const { minify } = require('html-minifier')
 
 const configStore = require('./../config.js')
 const { asset, resize } = require('./helpers.js')
@@ -68,6 +69,18 @@ class Engine {
         data = assign(data, this._defaults)
 
         this.nunjucks.render(view, data, (error, response) => {
+
+            const options = configStore.get('options')
+
+            // if options minifyHtml is set, minify html
+            if (options.minifyHtml === true) {
+                response = minify(response, {
+                    removeComments: true,
+                    collapseWhitespace: true,
+                    collapseInlineTagWhitespace: true
+                })
+            }
+
             done(error, response)
         })
     }

src/siteomat.js

@@ -1,7 +1,7 @@
 const fs = require('fs')
 const path = require('path')
 const mkdirp = require('mkdirp')
-const { minify } = require('html-minifier')
+const assign = require('assign-deep')
 
 const configStore = require('./config.js')
 
@@ -31,6 +31,11 @@ class Siteomat {
      *
      */
     constructor(source, views, options = {}) {
+
+        if (options.destination === undefined) {
+            throw new Error('Destination is undefined')
+        }
+
         this._source = source
         this._views = views
         this._destination = options.destination
@@ -39,7 +44,7 @@ class Siteomat {
         configStore.set('source', source)
         configStore.set('destination', this._destination)
         configStore.set('views', views)
-        configStore.set('options', Object.assign({}, {
+        configStore.set('options', assign({
             'minifyHtml': true
         }, options))
 
@@ -81,17 +86,6 @@ class Siteomat {
                     return;
                 }
 
-                const options = configStore.get('options')
-
-                // if options minifyHtml is set, minify html
-                if (options.minifyHtml === true) {
-                    content = minify(content, {
-                        removeComments: true,
-                        collapseWhitespace: true,
-                        collapseInlineTagWhitespace: true
-                    })
-                }
-
                 // create directories and write file = page
                 mkdirp(this._destination + page.pathname).then(() => {
                     fs.writeFileSync(this._destination + page.pathname + '/' + page.filename, content)

test.js

@@ -1,4 +1,7 @@
 const Siteomat = require('./src/siteomat.js')
 
-const siteomat = new Siteomat('./example/site', './example/views', './public')
+const siteomat = new Siteomat('./example/site', './example/views', {
+    'destination': './public'
+})
+
 siteomat.run()