Removed Masonry, instead uses groups of data

Added some error handling which reverts the frontend data changes &
notifies the user

16 files changed, 154 insertions, 2551 deletions

diff --git a/app/assets/javascripts/boards/boards_bundle.js.es6 b/app/assets/javascripts/boards/boards_bundle.js.es6
index afe4c9f9175..4ac91786762 100644
--- a/app/assets/javascripts/boards/boards_bundle.js.es6
+++ b/app/assets/javascripts/boards/boards_bundle.js.es6
@@ -5,7 +5,6 @@
 //= require vue
 //= require vue-resource
 //= require Sortable
-//= require masonry
 //= require_tree ./models
 //= require_tree ./stores
 //= require_tree ./services
diff --git a/app/assets/javascripts/boards/components/issue_card_inner.js.es6 b/app/assets/javascripts/boards/components/issue_card_inner.js.es6
index 10b82ba0998..22a8b971ff8 100644
--- a/app/assets/javascripts/boards/components/issue_card_inner.js.es6
+++ b/app/assets/javascripts/boards/components/issue_card_inner.js.es6
@@ -33,7 +33,7 @@
       filterByLabel(label, e) {
         let labelToggleText = label.title;
         const labelIndex = Store.state.filters.label_name.indexOf(label.title);
-        $(e.target).tooltip('hide');
+        $(e.currentTarget).tooltip('hide');
 
         if (labelIndex === -1) {
           Store.state.filters.label_name.push(label.title);
@@ -55,6 +55,12 @@
 
         Store.updateFiltersUrl();
       },
+      labelStyle(label) {
+        return {
+          backgroundColor: label.color,
+          color: label.textColor,
+        };
+      },
     },
     template: `
       <div>
@@ -93,7 +99,7 @@
             type="button"
             v-if="showLabel(label)"
             @click="filterByLabel(label, $event)"
-            :style="{ backgroundColor: label.color, color: label.textColor }"
+            :style="labelStyle(label)"
             :title="label.description"
             data-container="body">
             {{ label.title }}
diff --git a/app/assets/javascripts/boards/components/modal/footer.js.es6 b/app/assets/javascripts/boards/components/modal/footer.js.es6
index 8883beb1290..4085a22b25a 100644
--- a/app/assets/javascripts/boards/components/modal/footer.js.es6
+++ b/app/assets/javascripts/boards/components/modal/footer.js.es6
@@ -1,5 +1,7 @@
+/* eslint-disable no-new */
 //= require ./lists_dropdown
 /* global Vue */
+/* global Flash */
 (() => {
   const ModalStore = gl.issueBoards.ModalStore;
 
@@ -15,7 +17,7 @@
       submitText() {
         const count = ModalStore.selectedCount();
 
-        return `Add ${count > 0 ? count : ''} issue${count > 1 || !count ? 's' : ''}`;
+        return `Add ${count > 0 ? count : ''} ${gl.text.pluralize('issue', count)}`;
       },
     },
     methods: {
@@ -27,6 +29,13 @@
         // Post the data to the backend
         gl.boardService.bulkUpdate(issueIds, {
           add_label_ids: [list.label.id],
+        }).catch(() => {
+          new Flash('Failed to update issues, please try again.', 'alert');
+
+          selectedIssues.forEach((issue) => {
+            list.removeIssue(issue);
+            list.issuesSize -= 1;
+          });
         });
 
         // Add the issues on the frontend
diff --git a/app/assets/javascripts/boards/components/modal/header.js.es6 b/app/assets/javascripts/boards/components/modal/header.js.es6
index 194d598d42e..dbbcd73f1fe 100644
--- a/app/assets/javascripts/boards/components/modal/header.js.es6
+++ b/app/assets/javascripts/boards/components/modal/header.js.es6
@@ -3,7 +3,7 @@
 (() => {
   const ModalStore = gl.issueBoards.ModalStore;
 
-  gl.issueBoards.IssuesModalHeader = Vue.extend({
+  gl.issueBoards.ModalHeader = Vue.extend({
     mixins: [gl.issueBoards.ModalMixins],
     data() {
       return ModalStore.store;
@@ -16,6 +16,9 @@
 
         return 'Deselect all';
       },
+      showSearch() {
+        return this.activeTab === 'all' && !this.loading && this.issuesCount > 0;
+      },
     },
     methods: {
       toggleAll() {
@@ -45,7 +48,7 @@
         <modal-tabs v-if="!loading && issuesCount > 0"></modal-tabs>
         <div
           class="add-issues-search append-bottom-10"
-          v-if="activeTab == 'all' && !loading && issuesCount > 0">
+          v-if="showSearch">
           <input
             placeholder="Search issues..."
             class="form-control"
diff --git a/app/assets/javascripts/boards/components/modal/index.js.es6 b/app/assets/javascripts/boards/components/modal/index.js.es6
index 43d2fa03d92..666f4e16793 100644
--- a/app/assets/javascripts/boards/components/modal/index.js.es6
+++ b/app/assets/javascripts/boards/components/modal/index.js.es6
@@ -53,10 +53,9 @@
     },
     methods: {
       searchOperation: _.debounce(function searchOperationDebounce() {
-        this.issues = [];
-        this.loadIssues();
+        this.loadIssues(true);
       }, 500),
-      loadIssues() {
+      loadIssues(clearIssues = false) {
         return gl.boardService.getBacklog({
           search: this.searchTerm,
           page: this.page,
@@ -64,10 +63,14 @@
         }).then((res) => {
           const data = res.json();
 
+          if (clearIssues) {
+            this.issues = [];
+          }
+
           data.issues.forEach((issueObj) => {
             const issue = new ListIssue(issueObj);
             const foundSelectedIssue = ModalStore.findSelectedIssue(issue);
-            issue.selected = foundSelectedIssue !== undefined;
+            issue.selected = !!foundSelectedIssue;
 
             this.issues.push(issue);
           });
@@ -75,7 +78,7 @@
           this.loadingNewPage = false;
 
           if (!this.issuesCount) {
-            this.issuesCount = this.issues.length;
+            this.issuesCount = data.size;
           }
         });
       },
@@ -88,9 +91,16 @@
 
         return this.issuesCount > 0;
       },
+      showEmptyState() {
+        if (!this.loading && this.issuesCount === 0) {
+          return true;
+        }
+
+        return this.activeTab === 'selected' && this.selectedIssues.length === 0;
+      },
     },
     components: {
-      'modal-header': gl.issueBoards.IssuesModalHeader,
+      'modal-header': gl.issueBoards.ModalHeader,
       'modal-list': gl.issueBoards.ModalList,
       'modal-footer': gl.issueBoards.ModalFooter,
       'empty-state': gl.issueBoards.ModalEmptyState,
@@ -106,7 +116,7 @@
             :root-path="rootPath"
             v-if="!loading && showList"></modal-list>
           <empty-state
-            v-if="(!loading && issuesCount === 0) || (activeTab === 'selected' && selectedIssues.length === 0)"
+            v-if="showEmptyState"
             :image="blankStateImage"
             :new-issue-path="newIssuePath"></empty-state>
           <section
diff --git a/app/assets/javascripts/boards/components/modal/list.js.es6 b/app/assets/javascripts/boards/components/modal/list.js.es6
index ae3e405e70e..d0901219216 100644
--- a/app/assets/javascripts/boards/components/modal/list.js.es6
+++ b/app/assets/javascripts/boards/components/modal/list.js.es6
@@ -1,8 +1,7 @@
 /* global Vue */
 /* global ListIssue */
-/* global Masonry */
+/* global bp */
 (() => {
-  let listMasonry;
   const ModalStore = gl.issueBoards.ModalStore;
 
   gl.issueBoards.ModalList = Vue.extend({
@@ -21,18 +20,10 @@
     },
     watch: {
       activeTab() {
-        this.initMasonry();
-
         if (this.activeTab === 'all') {
           ModalStore.purgeUnselectedIssues();
         }
       },
-      issues: {
-        handler() {
-          this.initMasonry();
-        },
-        deep: true,
-      },
     },
     computed: {
       loopIssues() {
@@ -42,8 +33,31 @@
 
         return this.selectedIssues;
       },
+      groupedIssues() {
+        const groups = [];
+        this.loopIssues.forEach((issue, i) => {
+          const index = i % this.columns;
+
+          if (!groups[index]) {
+            groups.push([]);
+          }
+
+          groups[index].push(issue);
+        });
+
+        return groups;
+      },
     },
     methods: {
+      scrollHandler() {
+        const currentPage = Math.floor(this.issues.length / this.perPage);
+
+        if ((this.scrollTop() > this.scrollHeight() - 100) && !this.loadingNewPage
+          && currentPage === this.page) {
+          this.loadingNewPage = true;
+          this.page += 1;
+        }
+      },
       toggleIssue(e, issue) {
         if (e.target.tagName !== 'A') {
           ModalStore.toggleIssue(issue);
@@ -65,40 +79,29 @@
 
         return index !== -1;
       },
-      initMasonry() {
-        const listScrollTop = this.$refs.list.scrollTop;
-
-        this.$nextTick(() => {
-          this.destroyMasonry();
-          listMasonry = new Masonry(this.$refs.list, {
-            transitionDuration: 0,
-          });
+      setColumnCount() {
+        const breakpoint = bp.getBreakpointSize();
 
-          this.$refs.list.scrollTop = listScrollTop;
-        });
-      },
-      destroyMasonry() {
-        if (listMasonry) {
-          listMasonry.destroy();
-          listMasonry = undefined;
+        if (breakpoint === 'lg' || breakpoint === 'md') {
+          this.columns = 3;
+        } else if (breakpoint === 'sm') {
+          this.columns = 2;
+        } else {
+          this.columns = 1;
         }
       },
     },
     mounted() {
-      this.initMasonry();
-
-      this.$refs.list.onscroll = () => {
-        const currentPage = Math.floor(this.issues.length / this.perPage);
+      this.scrollHandlerWrapper = this.scrollHandler.bind(this);
+      this.setColumnCountWrapper = this.setColumnCount.bind(this);
+      this.setColumnCount();
 
-        if ((this.scrollTop() > this.scrollHeight() - 100) && !this.loadingNewPage
-          && currentPage === this.page) {
-          this.loadingNewPage = true;
-          this.page += 1;
-        }
-      };
+      this.$refs.list.addEventListener('scroll', this.scrollHandlerWrapper);
+      window.addEventListener('resize', this.setColumnCountWrapper);
     },
-    destroyed() {
-      this.destroyMasonry();
+    beforeDestroy() {
+      this.$refs.list.removeEventListener('scroll', this.scrollHandlerWrapper);
+      window.removeEventListener('resize', this.setColumnCountWrapper);
     },
     components: {
       'issue-card-inner': gl.issueBoards.IssueCardInner,
@@ -108,25 +111,29 @@
         class="add-issues-list add-issues-list-columns"
         ref="list">
         <div
-          v-for="issue in loopIssues"
-          v-if="showIssue(issue)"
-          class="card-parent">
+          v-for="group in groupedIssues"
+          class="add-issues-list-column">
           <div
-            class="card"
-            :class="{ 'is-active': issue.selected }"
-            @click="toggleIssue($event, issue)">
-            <issue-card-inner
-              :issue="issue"
-              :issue-link-base="issueLinkBase"
-              :root-path="rootPath">
-            </issue-card-inner>
-            <span
-              :aria-label="'Issue #' + issue.id + ' selected'"
-              aria-checked="true"
-              v-if="issue.selected"
-              class="issue-card-selected text-center">
-              <i class="fa fa-check"></i>
-            </span>
+            v-for="issue in group"
+            v-if="showIssue(issue)"
+            class="card-parent">
+            <div
+              class="card"
+              :class="{ 'is-active': issue.selected }"
+              @click="toggleIssue($event, issue)">
+              <issue-card-inner
+                :issue="issue"
+                :issue-link-base="issueLinkBase"
+                :root-path="rootPath">
+              </issue-card-inner>
+              <span
+                :aria-label="'Issue #' + issue.id + ' selected'"
+                aria-checked="true"
+                v-if="issue.selected"
+                class="issue-card-selected text-center">
+                <i class="fa fa-check"></i>
+              </span>
+            </div>
           </div>
         </div>
       </section>
diff --git a/app/assets/javascripts/boards/components/modal/lists_dropdown.js.es6 b/app/assets/javascripts/boards/components/modal/lists_dropdown.js.es6
index bb2d43c4a21..96f12da3753 100644
--- a/app/assets/javascripts/boards/components/modal/lists_dropdown.js.es6
+++ b/app/assets/javascripts/boards/components/modal/lists_dropdown.js.es6
@@ -37,7 +37,7 @@
                 href="#"
                 role="button"
                 :class="{ 'is-active': list.id == selected.id }"
-                @click="modal.selectedList = list">
+                @click.prevent="modal.selectedList = list">
                 <span
                   class="dropdown-label-box"
                   :style="{ backgroundColor: list.label.color }">
diff --git a/app/assets/javascripts/boards/components/modal/tabs.js.es6 b/app/assets/javascripts/boards/components/modal/tabs.js.es6
index d556c6d3e04..e8cb43f3503 100644
--- a/app/assets/javascripts/boards/components/modal/tabs.js.es6
+++ b/app/assets/javascripts/boards/components/modal/tabs.js.es6
@@ -23,7 +23,7 @@
               href="#"
               role="button"
               @click.prevent="changeTab('all')">
-              <span>All issues</span>
+              All issues
               <span class="badge">
                 {{ issuesCount }}
               </span>
@@ -34,7 +34,7 @@
               href="#"
               role="button"
               @click.prevent="changeTab('selected')">
-              <span>Selected issues</span>
+              Selected issues
               <span class="badge">
                 {{ selectedCount }}
               </span>
diff --git a/app/assets/javascripts/boards/components/sidebar/remove_issue.js.es6 b/app/assets/javascripts/boards/components/sidebar/remove_issue.js.es6
index 124baaae42a..e74935e1cb0 100644
--- a/app/assets/javascripts/boards/components/sidebar/remove_issue.js.es6
+++ b/app/assets/javascripts/boards/components/sidebar/remove_issue.js.es6
@@ -1,4 +1,6 @@
+/* eslint-disable no-new */
 /* global Vue */
+/* global Flash */
 (() => {
   const Store = gl.issueBoards.BoardsStore;
 
@@ -18,17 +20,24 @@
     },
     methods: {
       removeIssue() {
-        const lists = this.issue.getLists();
+        const issue = this.issue;
+        const lists = issue.getLists();
         const labelIds = lists.map(list => list.label.id);
 
         // Post the remove data
-        gl.boardService.bulkUpdate([this.issue.globalId], {
+        gl.boardService.bulkUpdate([issue.globalId], {
           remove_label_ids: labelIds,
+        }).catch(() => {
+          new Flash('Failed to remove issue from board, please try again.', 'alert');
+
+          lists.forEach((list) => {
+            list.addIssue(issue);
+          });
         });
 
         // Remove from the frontend store
         lists.forEach((list) => {
-          list.removeIssue(this.issue);
+          list.removeIssue(issue);
         });
 
         Store.detail.issue = {};
diff --git a/app/assets/javascripts/boards/stores/modal_store.js.es6 b/app/assets/javascripts/boards/stores/modal_store.js.es6
index 9c498ba48c4..fa46b6135e0 100644
--- a/app/assets/javascripts/boards/stores/modal_store.js.es6
+++ b/app/assets/javascripts/boards/stores/modal_store.js.es6
@@ -5,6 +5,7 @@
   class ModalStore {
     constructor() {
       this.store = {
+        columns: 3,
         issues: [],
         issuesCount: false,
         selectedIssues: [],
@@ -25,9 +26,11 @@
 
     toggleIssue(issueObj) {
       const issue = issueObj;
-      issue.selected = !issue.selected;
+      const selected = issue.selected;
 
-      if (issue.selected) {
+      issue.selected = !selected;
+
+      if (!selected) {
         this.addSelectedIssue(issue);
       } else {
         this.removeSelectedIssue(issue);
diff --git a/app/assets/javascripts/lib/utils/text_utility.js b/app/assets/javascripts/lib/utils/text_utility.js
index 6bb575059b7..d9370db0cf2 100644
--- a/app/assets/javascripts/lib/utils/text_utility.js
+++ b/app/assets/javascripts/lib/utils/text_utility.js
@@ -161,6 +161,9 @@
     gl.text.humanize = function(string) {
       return string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);
     };
+    gl.text.pluralize = function(str, count) {
+      return str + (count > 1 || count === 0 ? 's' : '');
+    };
     return gl.text.truncate = function(string, maxLength) {
       return string.substr(0, (maxLength - 3)) + '...';
     };
diff --git a/app/assets/stylesheets/pages/boards.scss b/app/assets/stylesheets/pages/boards.scss
index ded15dc493e..9b413f3e61c 100644
--- a/app/assets/stylesheets/pages/boards.scss
+++ b/app/assets/stylesheets/pages/boards.scss
@@ -418,6 +418,18 @@
   display: flex;
 }
 
+.add-issues-list-column {
+  width: 100%;
+
+  @media (min-width: $screen-sm-min) {
+    width: 50%;
+  }
+
+  @media (min-width: $screen-md-min) {
+    width: (100% / 3);
+  }
+}
+
 .add-issues-list {
   display: -webkit-flex;
   display: flex;
@@ -429,16 +441,7 @@
   overflow-y: scroll;
 
   .card-parent {
-    width: 100%;
     padding: 0 5px 5px;
-
-    @media (min-width: $screen-sm-min) {
-      width: 50%;
-    }
-
-    @media (min-width: $screen-md-min) {
-      width: (100% / 3);
-    }
   }
 
   .card {
@@ -480,6 +483,6 @@
   color: $white-light;
   border: 1px solid $border-blue-light;
   font-size: 9px;
-  line-height: 17px;
+  line-height: 15px;
   border-radius: 50%;
 }
diff --git a/spec/javascripts/boards/issue_spec.js.es6 b/spec/javascripts/boards/issue_spec.js.es6
index c8a61a0a9b5..1d33490fc75 100644
--- a/spec/javascripts/boards/issue_spec.js.es6
+++ b/spec/javascripts/boards/issue_spec.js.es6
@@ -20,7 +20,7 @@ describe('Issue model', () => {
   let issue;
 
   beforeEach(() => {
-    gl.boardService = new BoardService('/test/issue-boards/board', '1');
+    gl.boardService = new BoardService('/test/issue-boards/board', '', '1');
     gl.issueBoards.BoardsStore.create();
 
     issue = new ListIssue({
diff --git a/spec/javascripts/boards/list_spec.js.es6 b/spec/javascripts/boards/list_spec.js.es6
index 7d942ec3d65..770aa981bcb 100644
--- a/spec/javascripts/boards/list_spec.js.es6
+++ b/spec/javascripts/boards/list_spec.js.es6
@@ -24,7 +24,7 @@ describe('List model', () => {
 
   beforeEach(() => {
     Vue.http.interceptors.push(boardsMockInterceptor);
-    gl.boardService = new BoardService('/test/issue-boards/board', '1');
+    gl.boardService = new BoardService('/test/issue-boards/board', '', '1');
     gl.issueBoards.BoardsStore.create();
 
     list = new List(listObj);
diff --git a/spec/javascripts/lib/utils/text_utility_spec.js.es6 b/spec/javascripts/lib/utils/text_utility_spec.js.es6
index e97356b65d5..329e18f405a 100644
--- a/spec/javascripts/lib/utils/text_utility_spec.js.es6
+++ b/spec/javascripts/lib/utils/text_utility_spec.js.es6
@@ -21,5 +21,19 @@
         expect(largeFont > regular).toBe(true);
       });
     });
+
+    describe('gl.text.pluralize', () => {
+      it('returns pluralized', () => {
+        expect(gl.text.pluralize('test', 2)).toBe('tests');
+      });
+
+      it('returns pluralized', () => {
+        expect(gl.text.pluralize('test', 0)).toBe('tests');
+      });
+
+      it('does not return pluralized', () => {
+        expect(gl.text.pluralize('test', 1)).toBe('test');
+      });
+    });
   });
 })();
diff --git a/vendor/assets/javascripts/masonry.js b/vendor/assets/javascripts/masonry.js
deleted file mode 100644
index adf62864671..00000000000
--- a/vendor/assets/javascripts/masonry.js
+++ /dev/null
@@ -1,2463 +0,0 @@
-/*!
- * Masonry PACKAGED v4.1.1
- * Cascading grid layout library
- * http://masonry.desandro.com
- * MIT License
- * by David DeSandro
- */
-
-/**
- * Bridget makes jQuery widgets
- * v2.0.1
- * MIT license
- */
-
-/* jshint browser: true, strict: true, undef: true, unused: true */
-
-( function( window, factory ) {
-  // universal module definition
-  /*jshint strict: false */ /* globals define, module, require */
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD
-    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
-      return factory( window, jQuery );
-    });
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS
-    module.exports = factory(
-      window,
-      require('jquery')
-    );
-  } else {
-    // browser global
-    window.jQueryBridget = factory(
-      window,
-      window.jQuery
-    );
-  }
-
-}( window, function factory( window, jQuery ) {
-'use strict';
-
-// ----- utils ----- //
-
-var arraySlice = Array.prototype.slice;
-
-// helper function for logging errors
-// $.error breaks jQuery chaining
-var console = window.console;
-var logError = typeof console == 'undefined' ? function() {} :
-  function( message ) {
-    console.error( message );
-  };
-
-// ----- jQueryBridget ----- //
-
-function jQueryBridget( namespace, PluginClass, $ ) {
-  $ = $ || jQuery || window.jQuery;
-  if ( !$ ) {
-    return;
-  }
-
-  // add option method -> $().plugin('option', {...})
-  if ( !PluginClass.prototype.option ) {
-    // option setter
-    PluginClass.prototype.option = function( opts ) {
-      // bail out if not an object
-      if ( !$.isPlainObject( opts ) ){
-        return;
-      }
-      this.options = $.extend( true, this.options, opts );
-    };
-  }
-
-  // make jQuery plugin
-  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
-    if ( typeof arg0 == 'string' ) {
-      // method call $().plugin( 'methodName', { options } )
-      // shift arguments by 1
-      var args = arraySlice.call( arguments, 1 );
-      return methodCall( this, arg0, args );
-    }
-    // just $().plugin({ options })
-    plainCall( this, arg0 );
-    return this;
-  };
-
-  // $().plugin('methodName')
-  function methodCall( $elems, methodName, args ) {
-    var returnValue;
-    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';
-
-    $elems.each( function( i, elem ) {
-      // get instance
-      var instance = $.data( elem, namespace );
-      if ( !instance ) {
-        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
-          pluginMethodStr );
-        return;
-      }
-
-      var method = instance[ methodName ];
-      if ( !method || methodName.charAt(0) == '_' ) {
-        logError( pluginMethodStr + ' is not a valid method' );
-        return;
-      }
-
-      // apply method, get return value
-      var value = method.apply( instance, args );
-      // set return value if value is returned, use only first value
-      returnValue = returnValue === undefined ? value : returnValue;
-    });
-
-    return returnValue !== undefined ? returnValue : $elems;
-  }
-
-  function plainCall( $elems, options ) {
-    $elems.each( function( i, elem ) {
-      var instance = $.data( elem, namespace );
-      if ( instance ) {
-        // set options & init
-        instance.option( options );
-        instance._init();
-      } else {
-        // initialize new instance
-        instance = new PluginClass( elem, options );
-        $.data( elem, namespace, instance );
-      }
-    });
-  }
-
-  updateJQuery( $ );
-
-}
-
-// ----- updateJQuery ----- //
-
-// set $.bridget for v1 backwards compatibility
-function updateJQuery( $ ) {
-  if ( !$ || ( $ && $.bridget ) ) {
-    return;
-  }
-  $.bridget = jQueryBridget;
-}
-
-updateJQuery( jQuery || window.jQuery );
-
-// -----  ----- //
-
-return jQueryBridget;
-
-}));
-
-/**
- * EvEmitter v1.0.3
- * Lil' event emitter
- * MIT License
- */
-
-/* jshint unused: true, undef: true, strict: true */
-
-( function( global, factory ) {
-  // universal module definition
-  /* jshint strict: false */ /* globals define, module, window */
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD - RequireJS
-    define( 'ev-emitter/ev-emitter',factory );
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS - Browserify, Webpack
-    module.exports = factory();
-  } else {
-    // Browser globals
-    global.EvEmitter = factory();
-  }
-
-}( typeof window != 'undefined' ? window : this, function() {
-
-
-
-function EvEmitter() {}
-
-var proto = EvEmitter.prototype;
-
-proto.on = function( eventName, listener ) {
-  if ( !eventName || !listener ) {
-    return;
-  }
-  // set events hash
-  var events = this._events = this._events || {};
-  // set listeners array
-  var listeners = events[ eventName ] = events[ eventName ] || [];
-  // only add once
-  if ( listeners.indexOf( listener ) == -1 ) {
-    listeners.push( listener );
-  }
-
-  return this;
-};
-
-proto.once = function( eventName, listener ) {
-  if ( !eventName || !listener ) {
-    return;
-  }
-  // add event
-  this.on( eventName, listener );
-  // set once flag
-  // set onceEvents hash
-  var onceEvents = this._onceEvents = this._onceEvents || {};
-  // set onceListeners object
-  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
-  // set flag
-  onceListeners[ listener ] = true;
-
-  return this;
-};
-
-proto.off = function( eventName, listener ) {
-  var listeners = this._events && this._events[ eventName ];
-  if ( !listeners || !listeners.length ) {
-    return;
-  }
-  var index = listeners.indexOf( listener );
-  if ( index != -1 ) {
-    listeners.splice( index, 1 );
-  }
-
-  return this;
-};
-
-proto.emitEvent = function( eventName, args ) {
-  var listeners = this._events && this._events[ eventName ];
-  if ( !listeners || !listeners.length ) {
-    return;
-  }
-  var i = 0;
-  var listener = listeners[i];
-  args = args || [];
-  // once stuff
-  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];
-
-  while ( listener ) {
-    var isOnce = onceListeners && onceListeners[ listener ];
-    if ( isOnce ) {
-      // remove listener
-      // remove before trigger to prevent recursion
-      this.off( eventName, listener );
-      // unset once flag
-      delete onceListeners[ listener ];
-    }
-    // trigger listener
-    listener.apply( this, args );
-    // get next listener
-    i += isOnce ? 0 : 1;
-    listener = listeners[i];
-  }
-
-  return this;
-};
-
-return EvEmitter;
-
-}));
-
-/*!
- * getSize v2.0.2
- * measure size of elements
- * MIT license
- */
-
-/*jshint browser: true, strict: true, undef: true, unused: true */
-/*global define: false, module: false, console: false */
-
-( function( window, factory ) {
-  'use strict';
-
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD
-    define( 'get-size/get-size',[],function() {
-      return factory();
-    });
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS
-    module.exports = factory();
-  } else {
-    // browser global
-    window.getSize = factory();
-  }
-
-})( window, function factory() {
-'use strict';
-
-// -------------------------- helpers -------------------------- //
-
-// get a number from a string, not a percentage
-function getStyleSize( value ) {
-  var num = parseFloat( value );
-  // not a percent like '100%', and a number
-  var isValid = value.indexOf('%') == -1 && !isNaN( num );
-  return isValid && num;
-}
-
-function noop() {}
-
-var logError = typeof console == 'undefined' ? noop :
-  function( message ) {
-    console.error( message );
-  };
-
-// -------------------------- measurements -------------------------- //
-
-var measurements = [
-  'paddingLeft',
-  'paddingRight',
-  'paddingTop',
-  'paddingBottom',
-  'marginLeft',
-  'marginRight',
-  'marginTop',
-  'marginBottom',
-  'borderLeftWidth',
-  'borderRightWidth',
-  'borderTopWidth',
-  'borderBottomWidth'
-];
-
-var measurementsLength = measurements.length;
-
-function getZeroSize() {
-  var size = {
-    width: 0,
-    height: 0,
-    innerWidth: 0,
-    innerHeight: 0,
-    outerWidth: 0,
-    outerHeight: 0
-  };
-  for ( var i=0; i < measurementsLength; i++ ) {
-    var measurement = measurements[i];
-    size[ measurement ] = 0;
-  }
-  return size;
-}
-
-// -------------------------- getStyle -------------------------- //
-
-/**
- * getStyle, get style of element, check for Firefox bug
- * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
- */
-function getStyle( elem ) {
-  var style = getComputedStyle( elem );
-  if ( !style ) {
-    logError( 'Style returned ' + style +
-      '. Are you running this code in a hidden iframe on Firefox? ' +
-      'See http://bit.ly/getsizebug1' );
-  }
-  return style;
-}
-
-// -------------------------- setup -------------------------- //
-
-var isSetup = false;
-
-var isBoxSizeOuter;
-
-/**
- * setup
- * check isBoxSizerOuter
- * do on first getSize() rather than on page load for Firefox bug
- */
-function setup() {
-  // setup once
-  if ( isSetup ) {
-    return;
-  }
-  isSetup = true;
-
-  // -------------------------- box sizing -------------------------- //
-
-  /**
-   * WebKit measures the outer-width on style.width on border-box elems
-   * IE & Firefox<29 measures the inner-width
-   */
-  var div = document.createElement('div');
-  div.style.width = '200px';
-  div.style.padding = '1px 2px 3px 4px';
-  div.style.borderStyle = 'solid';
-  div.style.borderWidth = '1px 2px 3px 4px';
-  div.style.boxSizing = 'border-box';
-
-  var body = document.body || document.documentElement;
-  body.appendChild( div );
-  var style = getStyle( div );
-
-  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
-  body.removeChild( div );
-
-}
-
-// -------------------------- getSize -------------------------- //
-
-function getSize( elem ) {
-  setup();
-
-  // use querySeletor if elem is string
-  if ( typeof elem == 'string' ) {
-    elem = document.querySelector( elem );
-  }
-
-  // do not proceed on non-objects
-  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
-    return;
-  }
-
-  var style = getStyle( elem );
-
-  // if hidden, everything is 0
-  if ( style.display == 'none' ) {
-    return getZeroSize();
-  }
-
-  var size = {};
-  size.width = elem.offsetWidth;
-  size.height = elem.offsetHeight;
-
-  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';
-
-  // get all measurements
-  for ( var i=0; i < measurementsLength; i++ ) {
-    var measurement = measurements[i];
-    var value = style[ measurement ];
-    var num = parseFloat( value );
-    // any 'auto', 'medium' value will be 0
-    size[ measurement ] = !isNaN( num ) ? num : 0;
-  }
-
-  var paddingWidth = size.paddingLeft + size.paddingRight;
-  var paddingHeight = size.paddingTop + size.paddingBottom;
-  var marginWidth = size.marginLeft + size.marginRight;
-  var marginHeight = size.marginTop + size.marginBottom;
-  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
-  var borderHeight = size.borderTopWidth + size.borderBottomWidth;
-
-  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;
-
-  // overwrite width and height if we can get it from style
-  var styleWidth = getStyleSize( style.width );
-  if ( styleWidth !== false ) {
-    size.width = styleWidth +
-      // add padding and border unless it's already including it
-      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
-  }
-
-  var styleHeight = getStyleSize( style.height );
-  if ( styleHeight !== false ) {
-    size.height = styleHeight +
-      // add padding and border unless it's already including it
-      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
-  }
-
-  size.innerWidth = size.width - ( paddingWidth + borderWidth );
-  size.innerHeight = size.height - ( paddingHeight + borderHeight );
-
-  size.outerWidth = size.width + marginWidth;
-  size.outerHeight = size.height + marginHeight;
-
-  return size;
-}
-
-return getSize;
-
-});
-
-/**
- * matchesSelector v2.0.1
- * matchesSelector( element, '.selector' )
- * MIT license
- */
-
-/*jshint browser: true, strict: true, undef: true, unused: true */
-
-( function( window, factory ) {
-  /*global define: false, module: false */
-  'use strict';
-  // universal module definition
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD
-    define( 'desandro-matches-selector/matches-selector',factory );
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS
-    module.exports = factory();
-  } else {
-    // browser global
-    window.matchesSelector = factory();
-  }
-
-}( window, function factory() {
-  'use strict';
-
-  var matchesMethod = ( function() {
-    var ElemProto = Element.prototype;
-    // check for the standard method name first
-    if ( ElemProto.matches ) {
-      return 'matches';
-    }
-    // check un-prefixed
-    if ( ElemProto.matchesSelector ) {
-      return 'matchesSelector';
-    }
-    // check vendor prefixes
-    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];
-
-    for ( var i=0; i < prefixes.length; i++ ) {
-      var prefix = prefixes[i];
-      var method = prefix + 'MatchesSelector';
-      if ( ElemProto[ method ] ) {
-        return method;
-      }
-    }
-  })();
-
-  return function matchesSelector( elem, selector ) {
-    return elem[ matchesMethod ]( selector );
-  };
-
-}));
-
-/**
- * Fizzy UI utils v2.0.2
- * MIT license
- */
-
-/*jshint browser: true, undef: true, unused: true, strict: true */
-
-( function( window, factory ) {
-  // universal module definition
-  /*jshint strict: false */ /*globals define, module, require */
-
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD
-    define( 'fizzy-ui-utils/utils',[
-      'desandro-matches-selector/matches-selector'
-    ], function( matchesSelector ) {
-      return factory( window, matchesSelector );
-    });
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS
-    module.exports = factory(
-      window,
-      require('desandro-matches-selector')
-    );
-  } else {
-    // browser global
-    window.fizzyUIUtils = factory(
-      window,
-      window.matchesSelector
-    );
-  }
-
-}( window, function factory( window, matchesSelector ) {
-
-
-
-var utils = {};
-
-// ----- extend ----- //
-
-// extends objects
-utils.extend = function( a, b ) {
-  for ( var prop in b ) {
-    a[ prop ] = b[ prop ];
-  }
-  return a;
-};
-
-// ----- modulo ----- //
-
-utils.modulo = function( num, div ) {
-  return ( ( num % div ) + div ) % div;
-};
-
-// ----- makeArray ----- //
-
-// turn element or nodeList into an array
-utils.makeArray = function( obj ) {
-  var ary = [];
-  if ( Array.isArray( obj ) ) {
-    // use object if already an array
-    ary = obj;
-  } else if ( obj && typeof obj.length == 'number' ) {
-    // convert nodeList to array
-    for ( var i=0; i < obj.length; i++ ) {
-      ary.push( obj[i] );
-    }
-  } else {
-    // array of single index
-    ary.push( obj );
-  }
-  return ary;
-};
-
-// ----- removeFrom ----- //
-
-utils.removeFrom = function( ary, obj ) {
-  var index = ary.indexOf( obj );
-  if ( index != -1 ) {
-    ary.splice( index, 1 );
-  }
-};
-
-// ----- getParent ----- //
-
-utils.getParent = function( elem, selector ) {
-  while ( elem != document.body ) {
-    elem = elem.parentNode;
-    if ( matchesSelector( elem, selector ) ) {
-      return elem;
-    }
-  }
-};
-
-// ----- getQueryElement ----- //
-
-// use element as selector string
-utils.getQueryElement = function( elem ) {
-  if ( typeof elem == 'string' ) {
-    return document.querySelector( elem );
-  }
-  return elem;
-};
-
-// ----- handleEvent ----- //
-
-// enable .ontype to trigger from .addEventListener( elem, 'type' )
-utils.handleEvent = function( event ) {
-  var method = 'on' + event.type;
-  if ( this[ method ] ) {
-    this[ method ]( event );
-  }
-};
-
-// ----- filterFindElements ----- //
-
-utils.filterFindElements = function( elems, selector ) {
-  // make array of elems
-  elems = utils.makeArray( elems );
-  var ffElems = [];
-
-  elems.forEach( function( elem ) {
-    // check that elem is an actual element
-    if ( !( elem instanceof HTMLElement ) ) {
-      return;
-    }
-    // add elem if no selector
-    if ( !selector ) {
-      ffElems.push( elem );
-      return;
-    }
-    // filter & find items if we have a selector
-    // filter
-    if ( matchesSelector( elem, selector ) ) {
-      ffElems.push( elem );
-    }
-    // find children
-    var childElems = elem.querySelectorAll( selector );
-    // concat childElems to filterFound array
-    for ( var i=0; i < childElems.length; i++ ) {
-      ffElems.push( childElems[i] );
-    }
-  });
-
-  return ffElems;
-};
-
-// ----- debounceMethod ----- //
-
-utils.debounceMethod = function( _class, methodName, threshold ) {
-  // original method
-  var method = _class.prototype[ methodName ];
-  var timeoutName = methodName + 'Timeout';
-
-  _class.prototype[ methodName ] = function() {
-    var timeout = this[ timeoutName ];
-    if ( timeout ) {
-      clearTimeout( timeout );
-    }
-    var args = arguments;
-
-    var _this = this;
-    this[ timeoutName ] = setTimeout( function() {
-      method.apply( _this, args );
-      delete _this[ timeoutName ];
-    }, threshold || 100 );
-  };
-};
-
-// ----- docReady ----- //
-
-utils.docReady = function( callback ) {
-  var readyState = document.readyState;
-  if ( readyState == 'complete' || readyState == 'interactive' ) {
-    callback();
-  } else {
-    document.addEventListener( 'DOMContentLoaded', callback );
-  }
-};
-
-// ----- htmlInit ----- //
-
-// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
-utils.toDashed = function( str ) {
-  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
-    return $1 + '-' + $2;
-  }).toLowerCase();
-};
-
-var console = window.console;
-/**
- * allow user to initialize classes via [data-namespace] or .js-namespace class
- * htmlInit( Widget, 'widgetName' )
- * options are parsed from data-namespace-options
- */
-utils.htmlInit = function( WidgetClass, namespace ) {
-  utils.docReady( function() {
-    var dashedNamespace = utils.toDashed( namespace );
-    var dataAttr = 'data-' + dashedNamespace;
-    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
-    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
-    var elems = utils.makeArray( dataAttrElems )
-      .concat( utils.makeArray( jsDashElems ) );
-    var dataOptionsAttr = dataAttr + '-options';
-    var jQuery = window.jQuery;
-
-    elems.forEach( function( elem ) {
-      var attr = elem.getAttribute( dataAttr ) ||
-        elem.getAttribute( dataOptionsAttr );
-      var options;
-      try {
-        options = attr && JSON.parse( attr );
-      } catch ( error ) {
-        // log error, do not initialize
-        if ( console ) {
-          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
-          ': ' + error );
-        }
-        return;
-      }
-      // initialize
-      var instance = new WidgetClass( elem, options );
-      // make available via $().data('layoutname')
-      if ( jQuery ) {
-        jQuery.data( elem, namespace, instance );
-      }
-    });
-
-  });
-};
-
-// -----  ----- //
-
-return utils;
-
-}));
-
-/**
- * Outlayer Item
- */
-
-( function( window, factory ) {
-  // universal module definition
-  /* jshint strict: false */ /* globals define, module, require */
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD - RequireJS
-    define( 'outlayer/item',[
-        'ev-emitter/ev-emitter',
-        'get-size/get-size'
-      ],
-      factory
-    );
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS - Browserify, Webpack
-    module.exports = factory(
-      require('ev-emitter'),
-      require('get-size')
-    );
-  } else {
-    // browser global
-    window.Outlayer = {};
-    window.Outlayer.Item = factory(
-      window.EvEmitter,
-      window.getSize
-    );
-  }
-
-}( window, function factory( EvEmitter, getSize ) {
-'use strict';
-
-// ----- helpers ----- //
-
-function isEmptyObj( obj ) {
-  for ( var prop in obj ) {
-    return false;
-  }
-  prop = null;
-  return true;
-}
-
-// -------------------------- CSS3 support -------------------------- //
-
-
-var docElemStyle = document.documentElement.style;
-
-var transitionProperty = typeof docElemStyle.transition == 'string' ?
-  'transition' : 'WebkitTransition';
-var transformProperty = typeof docElemStyle.transform == 'string' ?
-  'transform' : 'WebkitTransform';
-
-var transitionEndEvent = {
-  WebkitTransition: 'webkitTransitionEnd',
-  transition: 'transitionend'
-}[ transitionProperty ];
-
-// cache all vendor properties that could have vendor prefix
-var vendorProperties = {
-  transform: transformProperty,
-  transition: transitionProperty,
-  transitionDuration: transitionProperty + 'Duration',
-  transitionProperty: transitionProperty + 'Property',
-  transitionDelay: transitionProperty + 'Delay'
-};
-
-// -------------------------- Item -------------------------- //
-
-function Item( element, layout ) {
-  if ( !element ) {
-    return;
-  }
-
-  this.element = element;
-  // parent layout class, i.e. Masonry, Isotope, or Packery
-  this.layout = layout;
-  this.position = {
-    x: 0,
-    y: 0
-  };
-
-  this._create();
-}
-
-// inherit EvEmitter
-var proto = Item.prototype = Object.create( EvEmitter.prototype );
-proto.constructor = Item;
-
-proto._create = function() {
-  // transition objects
-  this._transn = {
-    ingProperties: {},
-    clean: {},
-    onEnd: {}
-  };
-
-  this.css({
-    position: 'absolute'
-  });
-};
-
-// trigger specified handler for event type
-proto.handleEvent = function( event ) {
-  var method = 'on' + event.type;
-  if ( this[ method ] ) {
-    this[ method ]( event );
-  }
-};
-
-proto.getSize = function() {
-  this.size = getSize( this.element );
-};
-
-/**
- * apply CSS styles to element
- * @param {Object} style
- */
-proto.css = function( style ) {
-  var elemStyle = this.element.style;
-
-  for ( var prop in style ) {
-    // use vendor property if available
-    var supportedProp = vendorProperties[ prop ] || prop;
-    elemStyle[ supportedProp ] = style[ prop ];
-  }
-};
-
- // measure position, and sets it
-proto.getPosition = function() {
-  var style = getComputedStyle( this.element );
-  var isOriginLeft = this.layout._getOption('originLeft');
-  var isOriginTop = this.layout._getOption('originTop');
-  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
-  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
-  // convert percent to pixels
-  var layoutSize = this.layout.size;
-  var x = xValue.indexOf('%') != -1 ?
-    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
-  var y = yValue.indexOf('%') != -1 ?
-    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );
-
-  // clean up 'auto' or other non-integer values
-  x = isNaN( x ) ? 0 : x;
-  y = isNaN( y ) ? 0 : y;
-  // remove padding from measurement
-  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
-  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;
-
-  this.position.x = x;
-  this.position.y = y;
-};
-
-// set settled position, apply padding
-proto.layoutPosition = function() {
-  var layoutSize = this.layout.size;
-  var style = {};
-  var isOriginLeft = this.layout._getOption('originLeft');
-  var isOriginTop = this.layout._getOption('originTop');
-
-  // x
-  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
-  var xProperty = isOriginLeft ? 'left' : 'right';
-  var xResetProperty = isOriginLeft ? 'right' : 'left';
-
-  var x = this.position.x + layoutSize[ xPadding ];
-  // set in percentage or pixels
-  style[ xProperty ] = this.getXValue( x );
-  // reset other property
-  style[ xResetProperty ] = '';
-
-  // y
-  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
-  var yProperty = isOriginTop ? 'top' : 'bottom';
-  var yResetProperty = isOriginTop ? 'bottom' : 'top';
-
-  var y = this.position.y + layoutSize[ yPadding ];
-  // set in percentage or pixels
-  style[ yProperty ] = this.getYValue( y );
-  // reset other property
-  style[ yResetProperty ] = '';
-
-  this.css( style );
-  this.emitEvent( 'layout', [ this ] );
-};
-
-proto.getXValue = function( x ) {
-  var isHorizontal = this.layout._getOption('horizontal');
-  return this.layout.options.percentPosition && !isHorizontal ?
-    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
-};
-
-proto.getYValue = function( y ) {
-  var isHorizontal = this.layout._getOption('horizontal');
-  return this.layout.options.percentPosition && isHorizontal ?
-    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
-};
-
-proto._transitionTo = function( x, y ) {
-  this.getPosition();
-  // get current x & y from top/left
-  var curX = this.position.x;
-  var curY = this.position.y;
-
-  var compareX = parseInt( x, 10 );
-  var compareY = parseInt( y, 10 );
-  var didNotMove = compareX === this.position.x && compareY === this.position.y;
-
-  // save end position
-  this.setPosition( x, y );
-
-  // if did not move and not transitioning, just go to layout
-  if ( didNotMove && !this.isTransitioning ) {
-    this.layoutPosition();
-    return;
-  }
-
-  var transX = x - curX;
-  var transY = y - curY;
-  var transitionStyle = {};
-  transitionStyle.transform = this.getTranslate( transX, transY );
-
-  this.transition({
-    to: transitionStyle,
-    onTransitionEnd: {
-      transform: this.layoutPosition
-    },
-    isCleaning: true
-  });
-};
-
-proto.getTranslate = function( x, y ) {
-  // flip cooridinates if origin on right or bottom
-  var isOriginLeft = this.layout._getOption('originLeft');
-  var isOriginTop = this.layout._getOption('originTop');
-  x = isOriginLeft ? x : -x;
-  y = isOriginTop ? y : -y;
-  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
-};
-
-// non transition + transform support
-proto.goTo = function( x, y ) {
-  this.setPosition( x, y );
-  this.layoutPosition();
-};
-
-proto.moveTo = proto._transitionTo;
-
-proto.setPosition = function( x, y ) {
-  this.position.x = parseInt( x, 10 );
-  this.position.y = parseInt( y, 10 );
-};
-
-// ----- transition ----- //
-
-/**
- * @param {Object} style - CSS
- * @param {Function} onTransitionEnd
- */
-
-// non transition, just trigger callback
-proto._nonTransition = function( args ) {
-  this.css( args.to );
-  if ( args.isCleaning ) {
-    this._removeStyles( args.to );
-  }
-  for ( var prop in args.onTransitionEnd ) {
-    args.onTransitionEnd[ prop ].call( this );
-  }
-};
-
-/**
- * proper transition
- * @param {Object} args - arguments
- *   @param {Object} to - style to transition to
- *   @param {Object} from - style to start transition from
- *   @param {Boolean} isCleaning - removes transition styles after transition
- *   @param {Function} onTransitionEnd - callback
- */
-proto.transition = function( args ) {
-  // redirect to nonTransition if no transition duration
-  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
-    this._nonTransition( args );
-    return;
-  }
-
-  var _transition = this._transn;
-  // keep track of onTransitionEnd callback by css property
-  for ( var prop in args.onTransitionEnd ) {
-    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
-  }
-  // keep track of properties that are transitioning
-  for ( prop in args.to ) {
-    _transition.ingProperties[ prop ] = true;
-    // keep track of properties to clean up when transition is done
-    if ( args.isCleaning ) {
-      _transition.clean[ prop ] = true;
-    }
-  }
-
-  // set from styles
-  if ( args.from ) {
-    this.css( args.from );
-    // force redraw. http://blog.alexmaccaw.com/css-transitions
-    var h = this.element.offsetHeight;
-    // hack for JSHint to hush about unused var
-    h = null;
-  }
-  // enable transition
-  this.enableTransition( args.to );
-  // set styles that are transitioning
-  this.css( args.to );
-
-  this.isTransitioning = true;
-
-};
-
-// dash before all cap letters, including first for
-// WebkitTransform => -webkit-transform
-function toDashedAll( str ) {
-  return str.replace( /([A-Z])/g, function( $1 ) {
-    return '-' + $1.toLowerCase();
-  });
-}
-
-var transitionProps = 'opacity,' + toDashedAll( transformProperty );
-
-proto.enableTransition = function(/* style */) {
-  // HACK changing transitionProperty during a transition
-  // will cause transition to jump
-  if ( this.isTransitioning ) {
-    return;
-  }
-
-  // make `transition: foo, bar, baz` from style object
-  // HACK un-comment this when enableTransition can work
-  // while a transition is happening
-  // var transitionValues = [];
-  // for ( var prop in style ) {
-  //   // dash-ify camelCased properties like WebkitTransition
-  //   prop = vendorProperties[ prop ] || prop;
-  //   transitionValues.push( toDashedAll( prop ) );
-  // }
-  // munge number to millisecond, to match stagger
-  var duration = this.layout.options.transitionDuration;
-  duration = typeof duration == 'number' ? duration + 'ms' : duration;
-  // enable transition styles
-  this.css({
-    transitionProperty: transitionProps,
-    transitionDuration: duration,
-    transitionDelay: this.staggerDelay || 0
-  });
-  // listen for transition end event
-  this.element.addEventListener( transitionEndEvent, this, false );
-};
-
-// ----- events ----- //
-
-proto.onwebkitTransitionEnd = function( event ) {
-  this.ontransitionend( event );
-};
-
-proto.onotransitionend = function( event ) {
-  this.ontransitionend( event );
-};
-
-// properties that I munge to make my life easier
-var dashedVendorProperties = {
-  '-webkit-transform': 'transform'
-};
-
-proto.ontransitionend = function( event ) {
-  // disregard bubbled events from children
-  if ( event.target !== this.element ) {
-    return;
-  }
-  var _transition = this._transn;
-  // get property name of transitioned property, convert to prefix-free
-  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;
-
-  // remove property that has completed transitioning
-  delete _transition.ingProperties[ propertyName ];
-  // check if any properties are still transitioning
-  if ( isEmptyObj( _transition.ingProperties ) ) {
-    // all properties have completed transitioning
-    this.disableTransition();
-  }
-  // clean style
-  if ( propertyName in _transition.clean ) {
-    // clean up style
-    this.element.style[ event.propertyName ] = '';
-    delete _transition.clean[ propertyName ];
-  }
-  // trigger onTransitionEnd callback
-  if ( propertyName in _transition.onEnd ) {
-    var onTransitionEnd = _transition.onEnd[ propertyName ];
-    onTransitionEnd.call( this );
-    delete _transition.onEnd[ propertyName ];
-  }
-
-  this.emitEvent( 'transitionEnd', [ this ] );
-};
-
-proto.disableTransition = function() {
-  this.removeTransitionStyles();
-  this.element.removeEventListener( transitionEndEvent, this, false );
-  this.isTransitioning = false;
-};
-
-/**
- * removes style property from element
- * @param {Object} style
-**/
-proto._removeStyles = function( style ) {
-  // clean up transition styles
-  var cleanStyle = {};
-  for ( var prop in style ) {
-    cleanStyle[ prop ] = '';
-  }
-  this.css( cleanStyle );
-};
-
-var cleanTransitionStyle = {
-  transitionProperty: '',
-  transitionDuration: '',
-  transitionDelay: ''
-};
-
-proto.removeTransitionStyles = function() {
-  // remove transition
-  this.css( cleanTransitionStyle );
-};
-
-// ----- stagger ----- //
-
-proto.stagger = function( delay ) {
-  delay = isNaN( delay ) ? 0 : delay;
-  this.staggerDelay = delay + 'ms';
-};
-
-// ----- show/hide/remove ----- //
-
-// remove element from DOM
-proto.removeElem = function() {
-  this.element.parentNode.removeChild( this.element );
-  // remove display: none
-  this.css({ display: '' });
-  this.emitEvent( 'remove', [ this ] );
-};
-
-proto.remove = function() {
-  // just remove element if no transition support or no transition
-  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
-    this.removeElem();
-    return;
-  }
-
-  // start transition
-  this.once( 'transitionEnd', function() {
-    this.removeElem();
-  });
-  this.hide();
-};
-
-proto.reveal = function() {
-  delete this.isHidden;
-  // remove display: none
-  this.css({ display: '' });
-
-  var options = this.layout.options;
-
-  var onTransitionEnd = {};
-  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
-  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;
-
-  this.transition({
-    from: options.hiddenStyle,
-    to: options.visibleStyle,
-    isCleaning: true,
-    onTransitionEnd: onTransitionEnd
-  });
-};
-
-proto.onRevealTransitionEnd = function() {
-  // check if still visible
-  // during transition, item may have been hidden
-  if ( !this.isHidden ) {
-    this.emitEvent('reveal');
-  }
-};
-
-/**
- * get style property use for hide/reveal transition end
- * @param {String} styleProperty - hiddenStyle/visibleStyle
- * @returns {String}
- */
-proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
-  var optionStyle = this.layout.options[ styleProperty ];
-  // use opacity
-  if ( optionStyle.opacity ) {
-    return 'opacity';
-  }
-  // get first property
-  for ( var prop in optionStyle ) {
-    return prop;
-  }
-};
-
-proto.hide = function() {
-  // set flag
-  this.isHidden = true;
-  // remove display: none
-  this.css({ display: '' });
-
-  var options = this.layout.options;
-
-  var onTransitionEnd = {};
-  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
-  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;
-
-  this.transition({
-    from: options.visibleStyle,
-    to: options.hiddenStyle,
-    // keep hidden stuff hidden
-    isCleaning: true,
-    onTransitionEnd: onTransitionEnd
-  });
-};
-
-proto.onHideTransitionEnd = function() {
-  // check if still hidden
-  // during transition, item may have been un-hidden
-  if ( this.isHidden ) {
-    this.css({ display: 'none' });
-    this.emitEvent('hide');
-  }
-};
-
-proto.destroy = function() {
-  this.css({
-    position: '',
-    left: '',
-    right: '',
-    top: '',
-    bottom: '',
-    transition: '',
-    transform: ''
-  });
-};
-
-return Item;
-
-}));
-
-/*!
- * Outlayer v2.1.0
- * the brains and guts of a layout library
- * MIT license
- */
-
-( function( window, factory ) {
-  'use strict';
-  // universal module definition
-  /* jshint strict: false */ /* globals define, module, require */
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD - RequireJS
-    define( 'outlayer/outlayer',[
-        'ev-emitter/ev-emitter',
-        'get-size/get-size',
-        'fizzy-ui-utils/utils',
-        './item'
-      ],
-      function( EvEmitter, getSize, utils, Item ) {
-        return factory( window, EvEmitter, getSize, utils, Item);
-      }
-    );
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS - Browserify, Webpack
-    module.exports = factory(
-      window,
-      require('ev-emitter'),
-      require('get-size'),
-      require('fizzy-ui-utils'),
-      require('./item')
-    );
-  } else {
-    // browser global
-    window.Outlayer = factory(
-      window,
-      window.EvEmitter,
-      window.getSize,
-      window.fizzyUIUtils,
-      window.Outlayer.Item
-    );
-  }
-
-}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
-'use strict';
-
-// ----- vars ----- //
-
-var console = window.console;
-var jQuery = window.jQuery;
-var noop = function() {};
-
-// -------------------------- Outlayer -------------------------- //
-
-// globally unique identifiers
-var GUID = 0;
-// internal store of all Outlayer intances
-var instances = {};
-
-
-/**
- * @param {Element, String} element
- * @param {Object} options
- * @constructor
- */
-function Outlayer( element, options ) {
-  var queryElement = utils.getQueryElement( element );
-  if ( !queryElement ) {
-    if ( console ) {
-      console.error( 'Bad element for ' + this.constructor.namespace +
-        ': ' + ( queryElement || element ) );
-    }
-    return;
-  }
-  this.element = queryElement;
-  // add jQuery
-  if ( jQuery ) {
-    this.$element = jQuery( this.element );
-  }
-
-  // options
-  this.options = utils.extend( {}, this.constructor.defaults );
-  this.option( options );
-
-  // add id for Outlayer.getFromElement
-  var id = ++GUID;
-  this.element.outlayerGUID = id; // expando
-  instances[ id ] = this; // associate via id
-
-  // kick it off
-  this._create();
-
-  var isInitLayout = this._getOption('initLayout');
-  if ( isInitLayout ) {
-    this.layout();
-  }
-}
-
-// settings are for internal use only
-Outlayer.namespace = 'outlayer';
-Outlayer.Item = Item;
-
-// default options
-Outlayer.defaults = {
-  containerStyle: {
-    position: 'relative'
-  },
-  initLayout: true,
-  originLeft: true,
-  originTop: true,
-  resize: true,
-  resizeContainer: true,
-  // item options
-  transitionDuration: '0.4s',
-  hiddenStyle: {
-    opacity: 0,
-    transform: 'scale(0.001)'
-  },
-  visibleStyle: {
-    opacity: 1,
-    transform: 'scale(1)'
-  }
-};
-
-var proto = Outlayer.prototype;
-// inherit EvEmitter
-utils.extend( proto, EvEmitter.prototype );
-
-/**
- * set options
- * @param {Object} opts
- */
-proto.option = function( opts ) {
-  utils.extend( this.options, opts );
-};
-
-/**
- * get backwards compatible option value, check old name
- */
-proto._getOption = function( option ) {
-  var oldOption = this.constructor.compatOptions[ option ];
-  return oldOption && this.options[ oldOption ] !== undefined ?
-    this.options[ oldOption ] : this.options[ option ];
-};
-
-Outlayer.compatOptions = {
-  // currentName: oldName
-  initLayout: 'isInitLayout',
-  horizontal: 'isHorizontal',
-  layoutInstant: 'isLayoutInstant',
-  originLeft: 'isOriginLeft',
-  originTop: 'isOriginTop',
-  resize: 'isResizeBound',
-  resizeContainer: 'isResizingContainer'
-};
-
-proto._create = function() {
-  // get items from children
-  this.reloadItems();
-  // elements that affect layout, but are not laid out
-  this.stamps = [];
-  this.stamp( this.options.stamp );
-  // set container style
-  utils.extend( this.element.style, this.options.containerStyle );
-
-  // bind resize method
-  var canBindResize = this._getOption('resize');
-  if ( canBindResize ) {
-    this.bindResize();
-  }
-};
-
-// goes through all children again and gets bricks in proper order
-proto.reloadItems = function() {
-  // collection of item elements
-  this.items = this._itemize( this.element.children );
-};
-
-
-/**
- * turn elements into Outlayer.Items to be used in layout
- * @param {Array or NodeList or HTMLElement} elems
- * @returns {Array} items - collection of new Outlayer Items
- */
-proto._itemize = function( elems ) {
-
-  var itemElems = this._filterFindItemElements( elems );
-  var Item = this.constructor.Item;
-
-  // create new Outlayer Items for collection
-  var items = [];
-  for ( var i=0; i < itemElems.length; i++ ) {
-    var elem = itemElems[i];
-    var item = new Item( elem, this );
-    items.push( item );
-  }
-
-  return items;
-};
-
-/**
- * get item elements to be used in layout
- * @param {Array or NodeList or HTMLElement} elems
- * @returns {Array} items - item elements
- */
-proto._filterFindItemElements = function( elems ) {
-  return utils.filterFindElements( elems, this.options.itemSelector );
-};
-
-/**
- * getter method for getting item elements
- * @returns {Array} elems - collection of item elements
- */
-proto.getItemElements = function() {
-  return this.items.map( function( item ) {
-    return item.element;
-  });
-};
-
-// ----- init & layout ----- //
-
-/**
- * lays out all items
- */
-proto.layout = function() {
-  this._resetLayout();
-  this._manageStamps();
-
-  // don't animate first layout
-  var layoutInstant = this._getOption('layoutInstant');
-  var isInstant = layoutInstant !== undefined ?
-    layoutInstant : !this._isLayoutInited;
-  this.layoutItems( this.items, isInstant );
-
-  // flag for initalized
-  this._isLayoutInited = true;
-};
-
-// _init is alias for layout
-proto._init = proto.layout;
-
-/**
- * logic before any new layout
- */
-proto._resetLayout = function() {
-  this.getSize();
-};
-
-
-proto.getSize = function() {
-  this.size = getSize( this.element );
-};
-
-/**
- * get measurement from option, for columnWidth, rowHeight, gutter
- * if option is String -> get element from selector string, & get size of element
- * if option is Element -> get size of element
- * else use option as a number
- *
- * @param {String} measurement
- * @param {String} size - width or height
- * @private
- */
-proto._getMeasurement = function( measurement, size ) {
-  var option = this.options[ measurement ];
-  var elem;
-  if ( !option ) {
-    // default to 0
-    this[ measurement ] = 0;
-  } else {
-    // use option as an element
-    if ( typeof option == 'string' ) {
-      elem = this.element.querySelector( option );
-    } else if ( option instanceof HTMLElement ) {
-      elem = option;
-    }
-    // use size of element, if element
-    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
-  }
-};
-
-/**
- * layout a collection of item elements
- * @api public
- */
-proto.layoutItems = function( items, isInstant ) {
-  items = this._getItemsForLayout( items );
-
-  this._layoutItems( items, isInstant );
-
-  this._postLayout();
-};
-
-/**
- * get the items to be laid out
- * you may want to skip over some items
- * @param {Array} items
- * @returns {Array} items
- */
-proto._getItemsForLayout = function( items ) {
-  return items.filter( function( item ) {
-    return !item.isIgnored;
-  });
-};
-
-/**
- * layout items
- * @param {Array} items
- * @param {Boolean} isInstant
- */
-proto._layoutItems = function( items, isInstant ) {
-  this._emitCompleteOnItems( 'layout', items );
-
-  if ( !items || !items.length ) {
-    // no items, emit event with empty array
-    return;
-  }
-
-  var queue = [];
-
-  items.forEach( function( item ) {
-    // get x/y object from method
-    var position = this._getItemLayoutPosition( item );
-    // enqueue
-    position.item = item;
-    position.isInstant = isInstant || item.isLayoutInstant;
-    queue.push( position );
-  }, this );
-
-  this._processLayoutQueue( queue );
-};
-
-/**
- * get item layout position
- * @param {Outlayer.Item} item
- * @returns {Object} x and y position
- */
-proto._getItemLayoutPosition = function( /* item */ ) {
-  return {
-    x: 0,
-    y: 0
-  };
-};
-
-/**
- * iterate over array and position each item
- * Reason being - separating this logic prevents 'layout invalidation'
- * thx @paul_irish
- * @param {Array} queue
- */
-proto._processLayoutQueue = function( queue ) {
-  this.updateStagger();
-  queue.forEach( function( obj, i ) {
-    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
-  }, this );
-};
-
-// set stagger from option in milliseconds number
-proto.updateStagger = function() {
-  var stagger = this.options.stagger;
-  if ( stagger === null || stagger === undefined ) {
-    this.stagger = 0;
-    return;
-  }
-  this.stagger = getMilliseconds( stagger );
-  return this.stagger;
-};
-
-/**
- * Sets position of item in DOM
- * @param {Outlayer.Item} item
- * @param {Number} x - horizontal position
- * @param {Number} y - vertical position
- * @param {Boolean} isInstant - disables transitions
- */
-proto._positionItem = function( item, x, y, isInstant, i ) {
-  if ( isInstant ) {
-    // if not transition, just set CSS
-    item.goTo( x, y );
-  } else {
-    item.stagger( i * this.stagger );
-    item.moveTo( x, y );
-  }
-};
-
-/**
- * Any logic you want to do after each layout,
- * i.e. size the container
- */
-proto._postLayout = function() {
-  this.resizeContainer();
-};
-
-proto.resizeContainer = function() {
-  var isResizingContainer = this._getOption('resizeContainer');
-  if ( !isResizingContainer ) {
-    return;
-  }
-  var size = this._getContainerSize();
-  if ( size ) {
-    this._setContainerMeasure( size.width, true );
-    this._setContainerMeasure( size.height, false );
-  }
-};
-
-/**
- * Sets width or height of container if returned
- * @returns {Object} size
- *   @param {Number} width
- *   @param {Number} height
- */
-proto._getContainerSize = noop;
-
-/**
- * @param {Number} measure - size of width or height
- * @param {Boolean} isWidth
- */
-proto._setContainerMeasure = function( measure, isWidth ) {
-  if ( measure === undefined ) {
-    return;
-  }
-
-  var elemSize = this.size;
-  // add padding and border width if border box
-  if ( elemSize.isBorderBox ) {
-    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
-      elemSize.borderLeftWidth + elemSize.borderRightWidth :
-      elemSize.paddingBottom + elemSize.paddingTop +
-      elemSize.borderTopWidth + elemSize.borderBottomWidth;
-  }
-
-  measure = Math.max( measure, 0 );
-  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
-};
-
-/**
- * emit eventComplete on a collection of items events
- * @param {String} eventName
- * @param {Array} items - Outlayer.Items
- */
-proto._emitCompleteOnItems = function( eventName, items ) {
-  var _this = this;
-  function onComplete() {
-    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
-  }
-
-  var count = items.length;
-  if ( !items || !count ) {
-    onComplete();
-    return;
-  }
-
-  var doneCount = 0;
-  function tick() {
-    doneCount++;
-    if ( doneCount == count ) {
-      onComplete();
-    }
-  }
-
-  // bind callback
-  items.forEach( function( item ) {
-    item.once( eventName, tick );
-  });
-};
-
-/**
- * emits events via EvEmitter and jQuery events
- * @param {String} type - name of event
- * @param {Event} event - original event
- * @param {Array} args - extra arguments
- */
-proto.dispatchEvent = function( type, event, args ) {
-  // add original event to arguments
-  var emitArgs = event ? [ event ].concat( args ) : args;
-  this.emitEvent( type, emitArgs );
-
-  if ( jQuery ) {
-    // set this.$element
-    this.$element = this.$element || jQuery( this.element );
-    if ( event ) {
-      // create jQuery event
-      var $event = jQuery.Event( event );
-      $event.type = type;
-      this.$element.trigger( $event, args );
-    } else {
-      // just trigger with type if no event available
-      this.$element.trigger( type, args );
-    }
-  }
-};
-
-// -------------------------- ignore & stamps -------------------------- //
-
-
-/**
- * keep item in collection, but do not lay it out
- * ignored items do not get skipped in layout
- * @param {Element} elem
- */
-proto.ignore = function( elem ) {
-  var item = this.getItem( elem );
-  if ( item ) {
-    item.isIgnored = true;
-  }
-};
-
-/**
- * return item to layout collection
- * @param {Element} elem
- */
-proto.unignore = function( elem ) {
-  var item = this.getItem( elem );
-  if ( item ) {
-    delete item.isIgnored;
-  }
-};
-
-/**
- * adds elements to stamps
- * @param {NodeList, Array, Element, or String} elems
- */
-proto.stamp = function( elems ) {
-  elems = this._find( elems );
-  if ( !elems ) {
-    return;
-  }
-
-  this.stamps = this.stamps.concat( elems );
-  // ignore
-  elems.forEach( this.ignore, this );
-};
-
-/**
- * removes elements to stamps
- * @param {NodeList, Array, or Element} elems
- */
-proto.unstamp = function( elems ) {
-  elems = this._find( elems );
-  if ( !elems ){
-    return;
-  }
-
-  elems.forEach( function( elem ) {
-    // filter out removed stamp elements
-    utils.removeFrom( this.stamps, elem );
-    this.unignore( elem );
-  }, this );
-};
-
-/**
- * finds child elements
- * @param {NodeList, Array, Element, or String} elems
- * @returns {Array} elems
- */
-proto._find = function( elems ) {
-  if ( !elems ) {
-    return;
-  }
-  // if string, use argument as selector string
-  if ( typeof elems == 'string' ) {
-    elems = this.element.querySelectorAll( elems );
-  }
-  elems = utils.makeArray( elems );
-  return elems;
-};
-
-proto._manageStamps = function() {
-  if ( !this.stamps || !this.stamps.length ) {
-    return;
-  }
-
-  this._getBoundingRect();
-
-  this.stamps.forEach( this._manageStamp, this );
-};
-
-// update boundingLeft / Top
-proto._getBoundingRect = function() {
-  // get bounding rect for container element
-  var boundingRect = this.element.getBoundingClientRect();
-  var size = this.size;
-  this._boundingRect = {
-    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
-    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
-    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
-    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
-  };
-};
-
-/**
- * @param {Element} stamp
-**/
-proto._manageStamp = noop;
-
-/**
- * get x/y position of element relative to container element
- * @param {Element} elem
- * @returns {Object} offset - has left, top, right, bottom
- */
-proto._getElementOffset = function( elem ) {
-  var boundingRect = elem.getBoundingClientRect();
-  var thisRect = this._boundingRect;
-  var size = getSize( elem );
-  var offset = {
-    left: boundingRect.left - thisRect.left - size.marginLeft,
-    top: boundingRect.top - thisRect.top - size.marginTop,
-    right: thisRect.right - boundingRect.right - size.marginRight,
-    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
-  };
-  return offset;
-};
-
-// -------------------------- resize -------------------------- //
-
-// enable event handlers for listeners
-// i.e. resize -> onresize
-proto.handleEvent = utils.handleEvent;
-
-/**
- * Bind layout to window resizing
- */
-proto.bindResize = function() {
-  window.addEventListener( 'resize', this );
-  this.isResizeBound = true;
-};
-
-/**
- * Unbind layout to window resizing
- */
-proto.unbindResize = function() {
-  window.removeEventListener( 'resize', this );
-  this.isResizeBound = false;
-};
-
-proto.onresize = function() {
-  this.resize();
-};
-
-utils.debounceMethod( Outlayer, 'onresize', 100 );
-
-proto.resize = function() {
-  // don't trigger if size did not change
-  // or if resize was unbound. See #9
-  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
-    return;
-  }
-
-  this.layout();
-};
-
-/**
- * check if layout is needed post layout
- * @returns Boolean
- */
-proto.needsResizeLayout = function() {
-  var size = getSize( this.element );
-  // check that this.size and size are there
-  // IE8 triggers resize on body size change, so they might not be
-  var hasSizes = this.size && size;
-  return hasSizes && size.innerWidth !== this.size.innerWidth;
-};
-
-// -------------------------- methods -------------------------- //
-
-/**
- * add items to Outlayer instance
- * @param {Array or NodeList or Element} elems
- * @returns {Array} items - Outlayer.Items
-**/
-proto.addItems = function( elems ) {
-  var items = this._itemize( elems );
-  // add items to collection
-  if ( items.length ) {
-    this.items = this.items.concat( items );
-  }
-  return items;
-};
-
-/**
- * Layout newly-appended item elements
- * @param {Array or NodeList or Element} elems
- */
-proto.appended = function( elems ) {
-  var items = this.addItems( elems );
-  if ( !items.length ) {
-    return;
-  }
-  // layout and reveal just the new items
-  this.layoutItems( items, true );
-  this.reveal( items );
-};
-
-/**
- * Layout prepended elements
- * @param {Array or NodeList or Element} elems
- */
-proto.prepended = function( elems ) {
-  var items = this._itemize( elems );
-  if ( !items.length ) {
-    return;
-  }
-  // add items to beginning of collection
-  var previousItems = this.items.slice(0);
-  this.items = items.concat( previousItems );
-  // start new layout
-  this._resetLayout();
-  this._manageStamps();
-  // layout new stuff without transition
-  this.layoutItems( items, true );
-  this.reveal( items );
-  // layout previous items
-  this.layoutItems( previousItems );
-};
-
-/**
- * reveal a collection of items
- * @param {Array of Outlayer.Items} items
- */
-proto.reveal = function( items ) {
-  this._emitCompleteOnItems( 'reveal', items );
-  if ( !items || !items.length ) {
-    return;
-  }
-  var stagger = this.updateStagger();
-  items.forEach( function( item, i ) {
-    item.stagger( i * stagger );
-    item.reveal();
-  });
-};
-
-/**
- * hide a collection of items
- * @param {Array of Outlayer.Items} items
- */
-proto.hide = function( items ) {
-  this._emitCompleteOnItems( 'hide', items );
-  if ( !items || !items.length ) {
-    return;
-  }
-  var stagger = this.updateStagger();
-  items.forEach( function( item, i ) {
-    item.stagger( i * stagger );
-    item.hide();
-  });
-};
-
-/**
- * reveal item elements
- * @param {Array}, {Element}, {NodeList} items
- */
-proto.revealItemElements = function( elems ) {
-  var items = this.getItems( elems );
-  this.reveal( items );
-};
-
-/**
- * hide item elements
- * @param {Array}, {Element}, {NodeList} items
- */
-proto.hideItemElements = function( elems ) {
-  var items = this.getItems( elems );
-  this.hide( items );
-};
-
-/**
- * get Outlayer.Item, given an Element
- * @param {Element} elem
- * @param {Function} callback
- * @returns {Outlayer.Item} item
- */
-proto.getItem = function( elem ) {
-  // loop through items to get the one that matches
-  for ( var i=0; i < this.items.length; i++ ) {
-    var item = this.items[i];
-    if ( item.element == elem ) {
-      // return item
-      return item;
-    }
-  }
-};
-
-/**
- * get collection of Outlayer.Items, given Elements
- * @param {Array} elems
- * @returns {Array} items - Outlayer.Items
- */
-proto.getItems = function( elems ) {
-  elems = utils.makeArray( elems );
-  var items = [];
-  elems.forEach( function( elem ) {
-    var item = this.getItem( elem );
-    if ( item ) {
-      items.push( item );
-    }
-  }, this );
-
-  return items;
-};
-
-/**
- * remove element(s) from instance and DOM
- * @param {Array or NodeList or Element} elems
- */
-proto.remove = function( elems ) {
-  var removeItems = this.getItems( elems );
-
-  this._emitCompleteOnItems( 'remove', removeItems );
-
-  // bail if no items to remove
-  if ( !removeItems || !removeItems.length ) {
-    return;
-  }
-
-  removeItems.forEach( function( item ) {
-    item.remove();
-    // remove item from collection
-    utils.removeFrom( this.items, item );
-  }, this );
-};
-
-// ----- destroy ----- //
-
-// remove and disable Outlayer instance
-proto.destroy = function() {
-  // clean up dynamic styles
-  var style = this.element.style;
-  style.height = '';
-  style.position = '';
-  style.width = '';
-  // destroy items
-  this.items.forEach( function( item ) {
-    item.destroy();
-  });
-
-  this.unbindResize();
-
-  var id = this.element.outlayerGUID;
-  delete instances[ id ]; // remove reference to instance by id
-  delete this.element.outlayerGUID;
-  // remove data for jQuery
-  if ( jQuery ) {
-    jQuery.removeData( this.element, this.constructor.namespace );
-  }
-
-};
-
-// -------------------------- data -------------------------- //
-
-/**
- * get Outlayer instance from element
- * @param {Element} elem
- * @returns {Outlayer}
- */
-Outlayer.data = function( elem ) {
-  elem = utils.getQueryElement( elem );
-  var id = elem && elem.outlayerGUID;
-  return id && instances[ id ];
-};
-
-
-// -------------------------- create Outlayer class -------------------------- //
-
-/**
- * create a layout class
- * @param {String} namespace
- */
-Outlayer.create = function( namespace, options ) {
-  // sub-class Outlayer
-  var Layout = subclass( Outlayer );
-  // apply new options and compatOptions
-  Layout.defaults = utils.extend( {}, Outlayer.defaults );
-  utils.extend( Layout.defaults, options );
-  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );
-
-  Layout.namespace = namespace;
-
-  Layout.data = Outlayer.data;
-
-  // sub-class Item
-  Layout.Item = subclass( Item );
-
-  // -------------------------- declarative -------------------------- //
-
-  utils.htmlInit( Layout, namespace );
-
-  // -------------------------- jQuery bridge -------------------------- //
-
-  // make into jQuery plugin
-  if ( jQuery && jQuery.bridget ) {
-    jQuery.bridget( namespace, Layout );
-  }
-
-  return Layout;
-};
-
-function subclass( Parent ) {
-  function SubClass() {
-    Parent.apply( this, arguments );
-  }
-
-  SubClass.prototype = Object.create( Parent.prototype );
-  SubClass.prototype.constructor = SubClass;
-
-  return SubClass;
-}
-
-// ----- helpers ----- //
-
-// how many milliseconds are in each unit
-var msUnits = {
-  ms: 1,
-  s: 1000
-};
-
-// munge time-like parameter into millisecond number
-// '0.4s' -> 40
-function getMilliseconds( time ) {
-  if ( typeof time == 'number' ) {
-    return time;
-  }
-  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
-  var num = matches && matches[1];
-  var unit = matches && matches[2];
-  if ( !num.length ) {
-    return 0;
-  }
-  num = parseFloat( num );
-  var mult = msUnits[ unit ] || 1;
-  return num * mult;
-}
-
-// ----- fin ----- //
-
-// back in global
-Outlayer.Item = Item;
-
-return Outlayer;
-
-}));
-
-/*!
- * Masonry v4.1.1
- * Cascading grid layout library
- * http://masonry.desandro.com
- * MIT License
- * by David DeSandro
- */
-
-( function( window, factory ) {
-  // universal module definition
-  /* jshint strict: false */ /*globals define, module, require */
-  if ( typeof define == 'function' && define.amd ) {
-    // AMD
-    define( [
-        'outlayer/outlayer',
-        'get-size/get-size'
-      ],
-      factory );
-  } else if ( typeof module == 'object' && module.exports ) {
-    // CommonJS
-    module.exports = factory(
-      require('outlayer'),
-      require('get-size')
-    );
-  } else {
-    // browser global
-    window.Masonry = factory(
-      window.Outlayer,
-      window.getSize
-    );
-  }
-
-}( window, function factory( Outlayer, getSize ) {
-
-
-
-// -------------------------- masonryDefinition -------------------------- //
-
-  // create an Outlayer layout class
-  var Masonry = Outlayer.create('masonry');
-  // isFitWidth -> fitWidth
-  Masonry.compatOptions.fitWidth = 'isFitWidth';
-
-  Masonry.prototype._resetLayout = function() {
-    this.getSize();
-    this._getMeasurement( 'columnWidth', 'outerWidth' );
-    this._getMeasurement( 'gutter', 'outerWidth' );
-    this.measureColumns();
-
-    // reset column Y
-    this.colYs = [];
-    for ( var i=0; i < this.cols; i++ ) {
-      this.colYs.push( 0 );
-    }
-
-    this.maxY = 0;
-  };
-
-  Masonry.prototype.measureColumns = function() {
-    this.getContainerWidth();
-    // if columnWidth is 0, default to outerWidth of first item
-    if ( !this.columnWidth ) {
-      var firstItem = this.items[0];
-      var firstItemElem = firstItem && firstItem.element;
-      // columnWidth fall back to item of first element
-      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
-        // if first elem has no width, default to size of container
-        this.containerWidth;
-    }
-
-    var columnWidth = this.columnWidth += this.gutter;
-
-    // calculate columns
-    var containerWidth = this.containerWidth + this.gutter;
-    var cols = containerWidth / columnWidth;
-    // fix rounding errors, typically with gutters
-    var excess = columnWidth - containerWidth % columnWidth;
-    // if overshoot is less than a pixel, round up, otherwise floor it
-    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
-    cols = Math[ mathMethod ]( cols );
-    this.cols = Math.max( cols, 1 );
-  };
-
-  Masonry.prototype.getContainerWidth = function() {
-    // container is parent if fit width
-    var isFitWidth = this._getOption('fitWidth');
-    var container = isFitWidth ? this.element.parentNode : this.element;
-    // check that this.size and size are there
-    // IE8 triggers resize on body size change, so they might not be
-    var size = getSize( container );
-    this.containerWidth = size && size.innerWidth;
-  };
-
-  Masonry.prototype._getItemLayoutPosition = function( item ) {
-    item.getSize();
-    // how many columns does this brick span
-    var remainder = item.size.outerWidth % this.columnWidth;
-    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
-    // round if off by 1 pixel, otherwise use ceil
-    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
-    colSpan = Math.min( colSpan, this.cols );
-
-    var colGroup = this._getColGroup( colSpan );
-    // get the minimum Y value from the columns
-    var minimumY = Math.min.apply( Math, colGroup );
-    var shortColIndex = colGroup.indexOf( minimumY );
-
-    // position the brick
-    var position = {
-      x: this.columnWidth * shortColIndex,
-      y: minimumY
-    };
-
-    // apply setHeight to necessary columns
-    var setHeight = minimumY + item.size.outerHeight;
-    var setSpan = this.cols + 1 - colGroup.length;
-    for ( var i = 0; i < setSpan; i++ ) {
-      this.colYs[ shortColIndex + i ] = setHeight;
-    }
-
-    return position;
-  };
-
-  /**
-   * @param {Number} colSpan - number of columns the element spans
-   * @returns {Array} colGroup
-   */
-  Masonry.prototype._getColGroup = function( colSpan ) {
-    if ( colSpan < 2 ) {
-      // if brick spans only one column, use all the column Ys
-      return this.colYs;
-    }
-
-    var colGroup = [];
-    // how many different places could this brick fit horizontally
-    var groupCount = this.cols + 1 - colSpan;
-    // for each group potential horizontal position
-    for ( var i = 0; i < groupCount; i++ ) {
-      // make an array of colY values for that one group
-      var groupColYs = this.colYs.slice( i, i + colSpan );
-      // and get the max value of the array
-      colGroup[i] = Math.max.apply( Math, groupColYs );
-    }
-    return colGroup;
-  };
-
-  Masonry.prototype._manageStamp = function( stamp ) {
-    var stampSize = getSize( stamp );
-    var offset = this._getElementOffset( stamp );
-    // get the columns that this stamp affects
-    var isOriginLeft = this._getOption('originLeft');
-    var firstX = isOriginLeft ? offset.left : offset.right;
-    var lastX = firstX + stampSize.outerWidth;
-    var firstCol = Math.floor( firstX / this.columnWidth );
-    firstCol = Math.max( 0, firstCol );
-    var lastCol = Math.floor( lastX / this.columnWidth );
-    // lastCol should not go over if multiple of columnWidth #425
-    lastCol -= lastX % this.columnWidth ? 0 : 1;
-    lastCol = Math.min( this.cols - 1, lastCol );
-    // set colYs to bottom of the stamp
-
-    var isOriginTop = this._getOption('originTop');
-    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
-      stampSize.outerHeight;
-    for ( var i = firstCol; i <= lastCol; i++ ) {
-      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
-    }
-  };
-
-  Masonry.prototype._getContainerSize = function() {
-    this.maxY = Math.max.apply( Math, this.colYs );
-    var size = {
-      height: this.maxY
-    };
-
-    if ( this._getOption('fitWidth') ) {
-      size.width = this._getContainerFitWidth();
-    }
-
-    return size;
-  };
-
-  Masonry.prototype._getContainerFitWidth = function() {
-    var unusedCols = 0;
-    // count unused columns
-    var i = this.cols;
-    while ( --i ) {
-      if ( this.colYs[i] !== 0 ) {
-        break;
-      }
-      unusedCols++;
-    }
-    // fit container to columns that have been used
-    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
-  };
-
-  Masonry.prototype.needsResizeLayout = function() {
-    var previousWidth = this.containerWidth;
-    this.getContainerWidth();
-    return previousWidth != this.containerWidth;
-  };
-
-  return Masonry;
-
-}));
-