From 8e145ed15776bf8cfe5ce9df598cf7170490aa07 Mon Sep 17 00:00:00 2001
From: Sergey Goliney <sergey@goliney.com>
Date: Thu, 13 Apr 2017 00:22:37 +0300
Subject: [PATCH] feat(client): Introduce Vuejs

Convert sidebar logic to vuejs

Closes #18
---
 .eslintrc                                     |  10 +-
 README.md                                     |   6 +-
 example/source/10__Item 1/index.html          |   2 +-
 .../10__Nested Folder 1/10__Item 2/index.html |   2 +-
 .../source/20__Folder 1/20__Item 3/index.html |   2 +-
 .../20__Nested Folder 2/10__Item 4/index.html |   2 +-
 example/source/30__Item 5/index.html          |   2 +-
 lib/coderoom.js                               |  22 +-
 lib/room.class.js                             |  11 +
 lib/settings.js                               |   1 +
 lib/templates/default/scss/_sidebar.scss      |  17 +-
 lib/templates/default/static/js/base.js       |  42 ++--
 lib/templates/default/static/js/search.js     | 205 +++++++-----------
 .../default/static/js/vendor/vue-2.2.0.min.js |   8 +
 lib/templates/default/tpls/index.html         |  40 +++-
 lib/templates/default/tpls/partials/menu.html |   4 +-
 package.json                                  |   2 +-
 test/room.class.spec.js                       |  53 ++++-
 18 files changed, 237 insertions(+), 194 deletions(-)
 create mode 100644 lib/templates/default/static/js/vendor/vue-2.2.0.min.js

diff --git a/.eslintrc b/.eslintrc
index 25a2fd9..8547209 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -8,6 +8,11 @@
         "es6": true
     },
     "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaFeatures": {
+            "experimentalObjectRestSpread": true
+        }
+    },
     "rules": {
         "comma-dangle": [
             "error",
@@ -32,6 +37,9 @@
         "no-console": "off"
     },
     "globals": {
-        "ace": true
+        "ace": true,
+        "Vue": true,
+        "ROOT": true,
+        "DEPTH": true
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index 0d4d9ea..80ce68f 100644
--- a/README.md
+++ b/README.md
@@ -93,9 +93,9 @@ Example:
 ```
 
 ### Complex preview
-If you want to include to preview more than just html, you have to create a folder with `index.html` in it. If you
-place any css or javascript files into that folder, they will become a part of a "room", and you will be able to
-switch among them on live presentation.
+If you want to include in preview more than just html, you have to create a folder with `index.html` in it. Place any 
+css or javascript files into that folder, they will become a part of a "room", and you'll be able to switch between 
+them on live presentation.
 
 ## Automation
 - [grunt-coderoom](https://github.com/goliney/grunt-coderoom)
diff --git a/example/source/10__Item 1/index.html b/example/source/10__Item 1/index.html
index 92cd1d9..326a7b4 100644
--- a/example/source/10__Item 1/index.html	
+++ b/example/source/10__Item 1/index.html	
@@ -1 +1 @@
-<h2>This is from index.html</h2>
\ No newline at end of file
+<h2>This is from index.html (ITEM 1)</h2>
\ No newline at end of file
diff --git a/example/source/20__Folder 1/10__Nested Folder 1/10__Item 2/index.html b/example/source/20__Folder 1/10__Nested Folder 1/10__Item 2/index.html
index 92cd1d9..c524137 100644
--- a/example/source/20__Folder 1/10__Nested Folder 1/10__Item 2/index.html	
+++ b/example/source/20__Folder 1/10__Nested Folder 1/10__Item 2/index.html	
@@ -1 +1 @@
-<h2>This is from index.html</h2>
\ No newline at end of file
+<h2>This is from index.html (ITEM 2)</h2>
\ No newline at end of file
diff --git a/example/source/20__Folder 1/20__Item 3/index.html b/example/source/20__Folder 1/20__Item 3/index.html
index 92cd1d9..358f615 100644
--- a/example/source/20__Folder 1/20__Item 3/index.html	
+++ b/example/source/20__Folder 1/20__Item 3/index.html	
@@ -1 +1 @@
-<h2>This is from index.html</h2>
\ No newline at end of file
+<h2>This is from index.html (ITEM 3)</h2>
\ No newline at end of file
diff --git a/example/source/20__Folder 1/20__Nested Folder 2/10__Item 4/index.html b/example/source/20__Folder 1/20__Nested Folder 2/10__Item 4/index.html
index 92cd1d9..c998440 100644
--- a/example/source/20__Folder 1/20__Nested Folder 2/10__Item 4/index.html	
+++ b/example/source/20__Folder 1/20__Nested Folder 2/10__Item 4/index.html	
@@ -1 +1 @@
-<h2>This is from index.html</h2>
\ No newline at end of file
+<h2>This is from index.html (ITEM 4)</h2>
\ No newline at end of file
diff --git a/example/source/30__Item 5/index.html b/example/source/30__Item 5/index.html
index 92cd1d9..4a51f88 100644
--- a/example/source/30__Item 5/index.html	
+++ b/example/source/30__Item 5/index.html	
@@ -1 +1 @@
-<h2>This is from index.html</h2>
\ No newline at end of file
+<h2>This is from index.html (ITEM 5)</h2>
\ No newline at end of file
diff --git a/lib/coderoom.js b/lib/coderoom.js
index 36ebb1e..fcac7a8 100644
--- a/lib/coderoom.js
+++ b/lib/coderoom.js
@@ -172,16 +172,16 @@ function generateHtml() {
                 );
             }
         });
-
-        // entry point index.html
-        fs.writeFileSync(
-            path.join(targetDir, 'index.html'),
-            handlebars.compile(index)({
-                settings,
-                root,
-                config: root.config,
-                depth: 0,
-            })
-        );
     }
+
+    // entry point index.html
+    fs.writeFileSync(
+        path.join(targetDir, 'index.html'),
+        handlebars.compile(index)({
+            settings,
+            root,
+            config: root.config,
+            depth: 0,
+        })
+    );
 }
\ No newline at end of file
diff --git a/lib/room.class.js b/lib/room.class.js
index 5eb49a8..660f570 100644
--- a/lib/room.class.js
+++ b/lib/room.class.js
@@ -68,6 +68,13 @@ module.exports = class Room {
         return assets;
     }
 
+    getStructure() {
+        return {
+            title: this.config.title,
+            items: this.items.map(i => i.getStructure()),
+        };
+    }
+
     get hasFiles() {
         return this.files.length > 0;
     }
@@ -109,6 +116,10 @@ module.exports = class Room {
         });
     }
 
+    get stringifiedStructure() {
+        return JSON.stringify(this.getStructure());
+    }
+
     static parseFilePatterns(patterns) {
         patterns = _.isArray(patterns) ? patterns : [patterns];
         return patterns.reduce((acc, pattern) => {
diff --git a/lib/settings.js b/lib/settings.js
index 44cb770..56556e1 100644
--- a/lib/settings.js
+++ b/lib/settings.js
@@ -16,6 +16,7 @@ module.exports = {
         'static/js/vendor/ace/ace.js',
         'static/js/vendor/ace/mode-html.js',
         'static/js/vendor/jquery-2.2.3.min.js',
+        'static/js/vendor/vue-2.2.0.min.js',
         'static/js/base.js',
         'static/js/editor.js',
         'static/js/search.js',
diff --git a/lib/templates/default/scss/_sidebar.scss b/lib/templates/default/scss/_sidebar.scss
index d33ab8c..72d042b 100644
--- a/lib/templates/default/scss/_sidebar.scss
+++ b/lib/templates/default/scss/_sidebar.scss
@@ -33,7 +33,6 @@
       }
 
       .fa-remove {
-        display: none;
         position: absolute;
         right: 0;
         padding: 0 $sidebar_gutter 0 10px;
@@ -47,13 +46,8 @@
         }
       }
 
-      &.has-query .fa-remove {
-        display: inline-block;
-      }
-
       &:hover .fa-search,
-      &.has-query .fa-search,
-      &.focus .fa-search  { // .focus - not :focus
+      &.active .fa-search  {
         color: $sidebar_color_bright;
       }
 
@@ -124,16 +118,13 @@
     }
   }
 
-  [no-items-label] {
-    display: none;
+  .no-items-label {
     padding: $sidebar_gutter;
     padding-top: $sidebar_gutter * 2;
     font-style: italic;
   }
 
-  &.no-search-results {
-    [no-items-label] {
-      display: block;
-    }
+  &:not(.mounted) .no-items-label {
+    display: none;
   }
 }
\ No newline at end of file
diff --git a/lib/templates/default/static/js/base.js b/lib/templates/default/static/js/base.js
index 0ca68aa..8b48b6b 100644
--- a/lib/templates/default/static/js/base.js
+++ b/lib/templates/default/static/js/base.js
@@ -3,40 +3,29 @@ var editor;
 (function () {
     'use strict';
 
-    var $menuEl = $('#menu');
-    var $contentEl = $('#content');
-    var $editorEl = $('#editor');
-    var $iframeEl = $('#iframe');
-    var $backdrop = $('#backdrop');
+    const $contentEl = $('#content');
+    const $editorEl = $('#editor');
+    const $iframeEl = $('#iframe');
+    const $backdrop = $('#backdrop');
 
-    markActiveMenu();
     activateResizable();
 
-    function markActiveMenu() {
-        var links = $menuEl.find('.link');
-        for (var i = 0; i < links.length; i++) {
-            var href = (links[i].getAttribute('href')).replace(/\.\.\//g, '');
-            if (document.URL.indexOf(href) !== -1) {
-                links[i].classList.add('active');
-            }
-        }
-    }
-
     function activateResizable() {
-        var minWidth = 200;
-        var $handle = $('#resize-handle');
+        const minWidth = 200;
+        const $handle = $('#resize-handle');
+
         $handle.bind('mousedown', function (e) {
-            var initialX;
-            var contentWidth;
-            var iframeWidth;
-            var editorWidth;
+            let initialX = e.pageX;
+            let contentWidth = $contentEl.outerWidth();
+            let iframeWidth = $iframeEl.outerWidth();
+            let editorWidth = $editorEl.outerWidth();
 
             $backdrop.removeClass('hidden');
             $backdrop.bind({
                 mousemove: function (e) {
-                    var delta = initialX - e.pageX;
+                    const delta = initialX - e.pageX;
                     if (editorWidth - delta > minWidth && iframeWidth + delta > minWidth) {
-                        var percentage = (iframeWidth + delta) * 100 / contentWidth;
+                        const percentage = (iframeWidth + delta) * 100 / contentWidth;
                         $iframeEl.css('width', percentage + '%');
                         editor.resize();
                     }
@@ -46,11 +35,6 @@ var editor;
                     $backdrop.addClass('hidden');
                 },
             });
-
-            initialX = e.pageX;
-            contentWidth = $contentEl.outerWidth();
-            iframeWidth = $iframeEl.outerWidth();
-            editorWidth = $editorEl.outerWidth();
         });
     }
 })();
\ No newline at end of file
diff --git a/lib/templates/default/static/js/search.js b/lib/templates/default/static/js/search.js
index 9c24b49..e5a3ded 100644
--- a/lib/templates/default/static/js/search.js
+++ b/lib/templates/default/static/js/search.js
@@ -1,128 +1,91 @@
 (function () {
     'use strict';
-    var FILTERED_OUT_CLASS = 'filtered-out';
-    var FILTERED_IN_CLASS = 'filtered-in';
-    var DIR_FILTERED_IN_CLASS = 'dir-filtered-in';
-    var HAS_QUERY_CLASS = 'has-query';
-    var NO_ITEMS_AVAILABLE_CLASS = 'no-search-results';
-    var SEARCH_DATA_KEY = 'SEARCH_DATA_KEY';
 
-    var $sidebar = $('#sidebar');
-    var $searchWrap = $sidebar.find('.search');
-    var $input = $searchWrap.find('input');
-    var $clear = $searchWrap.find('[clear]');
-
-    var $items = $sidebar.find('li:not(.search)');
-
-    activate();
-
-    function activate() {
-        $input.focus();
-        bindEvents();
-        prepareTreeData();
-    }
-
-    function bindEvents() {
-        $input.on('focus', function () {
-            $searchWrap.addClass('focus');
-        });
-
-        $input.on('blur', function () {
-            $searchWrap.removeClass('focus');
-        });
-
-        $input.on('keydown', function (e) {
-            if (e.keyCode == 27) {  // ESC
-                $input.val('');
-                $input.change();
-            }
-        });
-
-        $input.on('propertychange change click keyup input paste', function () {
-            var value = $input.val().trim();
-            if ($input.data('oldVal') != value) {
-                $input.data('oldVal', value);
-
-                if (value.length > 0) {
-                    $searchWrap.addClass(HAS_QUERY_CLASS);
-                    filter(value);
-                } else {
-                    $searchWrap.removeClass(HAS_QUERY_CLASS);
-                    clearFilter();
-                }
-                checkItemsAvailability();
-            }
-        });
-
-        $clear.on('click', function () {
-            $input.val('');
-            $input.change();
-            $input.focus();
+    updateRooms(ROOT);
+    function updateRooms(room, depth = 1) {
+        room.items.forEach((item, index) => {
+            item.index = index;
+            updateRooms(item, depth + 1);
         });
     }
 
-    function prepareTreeData() {
-        $items.each(function () {
-            var $item = $(this);
-            var $childDir = $item.children('.dir-name');
-            var $children = $item.find('.link, .dir-name');
-            var $arrayOfNames = $children.map(function () {
-                return $(this).text().toLowerCase();
-            });
-            var isDir = $childDir.length > 0;
-
-            $item.data(SEARCH_DATA_KEY, {
-                isDir: isDir,
-                dirName: isDir ? $childDir.text().toLowerCase() : '',
-                allNames: $arrayOfNames.get(),
-            });
-        });
-    }
-
-    function filter(query) {
-        query = query.toLowerCase();
-        $items.each(function () {
-            var $item = $(this);
-            var childrenNames = $item.data(SEARCH_DATA_KEY).allNames;
-            var isDir = $item.data(SEARCH_DATA_KEY).isDir;
-            var dirName = $item.data(SEARCH_DATA_KEY).dirName;
-
-            var hasMatchedChild = childrenNames.some(function (name) {
-                return name.indexOf(query) !== -1;
-            });
-
-            var isDirMatch = isDir && dirName.indexOf(query) !== -1;
-            var hasParentDirMatch = $item.parents('.' + DIR_FILTERED_IN_CLASS).length > 0;
-
-            // if dir name matches search - set class to dir
-            if (isDirMatch) {
-                $item.addClass(DIR_FILTERED_IN_CLASS);
-            } else {
-                $item.removeClass(DIR_FILTERED_IN_CLASS);
-            }
-
-            if (hasMatchedChild || hasParentDirMatch) {
-                $item.addClass(FILTERED_IN_CLASS);
-                $item.removeClass(FILTERED_OUT_CLASS);
-            } else {
-                $item.addClass(FILTERED_OUT_CLASS);
-                $item.removeClass(FILTERED_IN_CLASS);
-            }
-        });
-    }
-
-    function clearFilter() {
-        $items.removeClass(FILTERED_IN_CLASS);
-        $items.removeClass(FILTERED_OUT_CLASS);
-    }
-
-    function checkItemsAvailability() {
-        var hasAvailableItems = $items.filter('.' + FILTERED_IN_CLASS).length > 0;
-        var hasQuery = $input.val().length > 0;
-        if (hasAvailableItems || !hasQuery) {
-            $sidebar.removeClass(NO_ITEMS_AVAILABLE_CLASS);
-        } else {
-            $sidebar.addClass(NO_ITEMS_AVAILABLE_CLASS);
-        }
-    }
+    // menu item
+    Vue.component('menu-item', {
+        delimiters: ['${', '}'],
+        props: ['room', 'pathToParent'],
+        template: '#menu-item-tpl',
+        methods: {
+            getRoomUrl() {
+                const pathToRoot = Array(DEPTH).join('../');
+                return `./${pathToRoot}tpls/${this.pathToRoom}index.html`;
+            },
+        },
+        computed: {
+            pathToRoom() {
+                return `${this.pathToParent || ''}${this.room.index}/`;
+            },
+            isActive() {
+                // TODO: must be better way of doing this
+                const href = this.getRoomUrl().replace(/.+?(?=\/tpls)/, '');
+                return document.URL.indexOf(href) !== -1;
+            },
+        },
+    });
+
+    // Sidebar
+    new Vue({
+        delimiters: ['${', '}'],
+        el: '#sidebar',
+        data: {
+            root: ROOT,
+            search: '',
+            mounted: false,
+            isSearchFocused: false,
+        },
+        mounted() {
+            this.mounted = true;
+            this.focusSearch();
+        },
+        computed: {
+            /**
+             * Return rooms which title or children title contains search query.
+             * Nesting is preserved
+             *
+             * @returns {Array} - root items which satisfy query
+             */
+            filteredItems() {
+                const query = this.search.toLowerCase().trim();
+                const filteredRoot = _traverse({...this.root, title: ''});
+                return filteredRoot ? filteredRoot.items : [];
+
+                function _traverse(room) {
+                    // return whole room with items if title matches
+                    if (room.title.toLowerCase().indexOf(query) > -1) {
+                        return room;
+                    }
+                    // find items that match
+                    const items = room.items.reduce((acc, item) => {
+                        const traversedItem = _traverse(item);
+                        if (traversedItem) {
+                            acc.push(traversedItem);
+                        }
+                        return acc;
+                    }, []);
+                    // return room with only those items, that match
+                    if (items.length > 0) {
+                        return {...room, items};
+                    }
+                }
+            },
+        },
+        methods: {
+            clearSearch() {
+                this.search = '';
+                this.focusSearch();
+            },
+            focusSearch() {
+                this.$refs.search.focus();
+            },
+        },
+    });
 })();
\ No newline at end of file
diff --git a/lib/templates/default/static/js/vendor/vue-2.2.0.min.js b/lib/templates/default/static/js/vendor/vue-2.2.0.min.js
new file mode 100644
index 0000000..d0cecce
--- /dev/null
+++ b/lib/templates/default/static/js/vendor/vue-2.2.0.min.js
@@ -0,0 +1,8 @@
+/*!
+ * Vue.js v2.2.0
+ * (c) 2014-2017 Evan You
+ * Released under the MIT License.
+ */
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.Vue=t()}(this,function(){"use strict";function e(e){return null==e?"":"object"==typeof e?JSON.stringify(e,null,2):String(e)}function t(e){var t=parseFloat(e);return isNaN(t)?e:t}function n(e,t){for(var n=Object.create(null),r=e.split(","),i=0;i<r.length;i++)n[r[i]]=!0;return t?function(e){return n[e.toLowerCase()]}:function(e){return n[e]}}function r(e,t){if(e.length){var n=e.indexOf(t);if(n>-1)return e.splice(n,1)}}function i(e,t){return Ei.call(e,t)}function o(e){return"string"==typeof e||"number"==typeof e}function a(e){var t=Object.create(null);return function(n){var r=t[n];return r||(t[n]=e(n))}}function s(e,t){function n(n){var r=arguments.length;return r?r>1?e.apply(t,arguments):e.call(t,n):e.call(t)}return n._length=e.length,n}function c(e,t){t=t||0;for(var n=e.length-t,r=new Array(n);n--;)r[n]=e[n+t];return r}function u(e,t){for(var n in 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diff --git a/lib/templates/default/tpls/index.html b/lib/templates/default/tpls/index.html
index 1da6c26..7872877 100644
--- a/lib/templates/default/tpls/index.html
+++ b/lib/templates/default/tpls/index.html
@@ -9,22 +9,50 @@
     <link rel="apple-touch-icon" sizes="152x152" href="{{path_to_root depth}}static/favicons/apple-touch-icon-152x152.png">
     <link rel="apple-touch-icon" sizes="180x180" href="{{path_to_root depth}}static/favicons/apple-touch-icon-180x180.png">
     <link rel="shortcut icon" href="{{path_to_root depth}}static/favicons/favicon.ico">
+
+    <script>
+        var ROOT = {{{root.stringifiedStructure}}};
+        var DEPTH = {{depth}};
+    </script>
+
+    <script type="text/x-template" id="menu-item-tpl">
+        <li>
+            <a v-if="room.items.length === 0" class="link" :class="{active: isActive}" :href="getRoomUrl()">${room.title}</a>
+            <template v-else>
+                <div class="dir-name">${room.title}</div>
+                <ul>
+                    <menu-item v-for="item in room.items" :room="item" :path-to-parent="pathToRoom"></menu-item>
+                </ul>
+            </template>
+        </li>
+    </script>
 </head>
 <body>
     <!-- sidebar -->
-    <section id="sidebar">
+    <section id="sidebar" :class="{mounted: mounted}">
         <header>
             <a href="{{path_to_root depth}}index.html">{{root.config.title}}</a>
         </header>
         <ul id="menu">
-            <li class="search">
+            <li class="search" :class="{active: isSearchFocused || search.length > 0}">
                 <i class="fa fa-search"></i>
-                <input type="text" placeholder="Search...">
-                <button type="button" clear class="fa fa-remove" title="Clear search"></button>
+                <!-- search input -->
+                <input type="text"
+                   placeholder="Search..."
+                   v-model="search"
+                   @focus="isSearchFocused = true"
+                   @blur="isSearchFocused = false"
+                   ref="search" />
+                <!-- clear search button -->
+                <button type="button"
+                    class="fa fa-remove"
+                    title="Clear search"
+                    v-show="search.length > 0"
+                    @click="clearSearch()"></button>
             </li>
-            {{> menu with depth=depth items=root.items base='tpls'}}
+            <menu-item v-for="item in filteredItems" :room="item"></menu-item>
         </ul>
-        <div no-items-label>No results found.</div>
+        <div class="no-items-label" v-if="filteredItems.length === 0">No results found.</div>
     </section>
     <!-- /sidebar -->
 
diff --git a/lib/templates/default/tpls/partials/menu.html b/lib/templates/default/tpls/partials/menu.html
index 9e245fa..ec374ba 100644
--- a/lib/templates/default/tpls/partials/menu.html
+++ b/lib/templates/default/tpls/partials/menu.html
@@ -9,6 +9,4 @@
     </ul>
     {{/if}}
 </li>
-{{/each}}
-
-{{#if isDir}}active{{/if}}
\ No newline at end of file
+{{/each}}
\ No newline at end of file
diff --git a/package.json b/package.json
index a178ccf..6e0eb74 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "ghooks": "1.3.2",
     "istanbul": "^1.0.0-alpha",
     "mocha": "2.5.3",
-    "mock-fs": "3.12.0",
+    "mock-fs": "4.2.0",
     "node-sass": "3.8.0",
     "semantic-release": "4.3.5"
   },
diff --git a/test/room.class.spec.js b/test/room.class.spec.js
index 95f6951..f0fd6b1 100644
--- a/test/room.class.spec.js
+++ b/test/room.class.spec.js
@@ -10,7 +10,16 @@ describe('Room class', function () {
     before(function () {
         mock({
             // for initialization and stuff
-            '1__Room1': {},
+            '1__Room1': {
+                'Nested_Room_1': {
+                    'Nested_Room_2': {
+                        'index.html': '',
+                    },
+                    'Nested_Room_3': {
+                        'index.html': '',
+                    },
+                },
+            },
             '2__Room2': {
                 'config.json': '{"title": "from-config"}',
             },
@@ -162,6 +171,41 @@ describe('Room class', function () {
             });
         });
 
+        describe('getStructure', function () {
+            let structure;
+
+            beforeEach(function () {
+                room = new Room('1__Room1');
+                const nestedRoom1 = new Room('1__Room1/Nested_Room_1');
+                const nestedRoom2 = new Room('1__Room1/Nested_Room_1/Nested_Room_2');
+                const nestedRoom3 = new Room('1__Room1/Nested_Room_1/Nested_Room_3');
+                nestedRoom1.pushItem(nestedRoom2);
+                nestedRoom1.pushItem(nestedRoom3);
+                room.pushItem(nestedRoom1);
+                structure = room.getStructure();
+            });
+
+            afterEach(function () {
+                room = null;
+                structure = null;
+            });
+
+            it('should return room structure as an object', function () {
+                expect(structure).to.be.an('object');
+            });
+
+            it('should contain title and nested items', function () {
+                expect(structure.title).to.equal('Room1');
+                expect(structure.items).to.have.lengthOf(1);
+                expect(structure.items[0].title).to.equal('Nested_Room_1');
+                expect(structure.items[0].items).to.have.lengthOf(2);
+                expect(structure.items[0].items[0].title).to.equal('Nested_Room_2');
+                expect(structure.items[0].items[0].items).to.have.lengthOf(0);
+                expect(structure.items[0].items[1].title).to.equal('Nested_Room_3');
+                expect(structure.items[0].items[1].items).to.have.lengthOf(0);
+            });
+        });
+
         describe('which parses resources', function () {
             let room5;
             let room6;
@@ -311,6 +355,13 @@ describe('Room class', function () {
                     expect(room.parsedJSFiles[0].parse.ext).to.be.equal('.js');
                 });
             });
+
+            describe('stringifiedStructure', function () {
+                it('should return stringified JSON room structure', function () {
+                    const structure = JSON.parse(room.stringifiedStructure);
+                    expect(structure.title).to.equal('Room1');
+                });
+            });
         });
 
     });