Removed underscoreJS uses

Removed props on main VueJS app instead uses data variables

12 files changed, 156 insertions, 126 deletions

diff --git a/app/assets/javascripts/boards/boards_bundle.js.es6 b/app/assets/javascripts/boards/boards_bundle.js.es6
index 95785bb415c..e965255f6da 100644
--- a/app/assets/javascripts/boards/boards_bundle.js.es6
+++ b/app/assets/javascripts/boards/boards_bundle.js.es6
@@ -7,7 +7,9 @@
 //= require_tree ./mixins
 //= require_tree ./components
 
-$(function () {
+$(() => {
+  const $boardApp = $('#board-app');
+
   if (!window.gl) {
     window.gl = {};
   }
@@ -17,38 +19,42 @@ $(function () {
   }
 
   gl.IssueBoardsApp = new Vue({
-    el: '#board-app',
-    props: {
-      disabled: Boolean,
-      endpoint: String,
-      issueLinkBase: String
-    },
+    el: $boardApp.get(0),
     data: {
       state: BoardsStore.state,
-      loading: true
+      loading: true,
+      endpoint: $boardApp.data('endpoint'),
+      disabled: $boardApp.data('disabled'),
+      issueLinkBase: $boardApp.data('issue-link-base')
     },
-    init: function () {
+    init () {
       BoardsStore.create();
     },
-    created: function () {
+    created () {
       this.loading = true;
       gl.boardService = new BoardService(this.endpoint);
+
+      $boardApp
+        .removeAttr('data-endpoint')
+        .removeAttr('data-disabled')
+        .removeAttr('data-issue-link-base');
     },
-    ready: function () {
+    ready () {
       BoardsStore.disabled = this.disabled;
       gl.boardService.all()
         .then((resp) => {
           const boards = resp.json();
 
-          boards.forEach((board) => {
-            const list = BoardsStore.addList(board);
+          for (let i = 0, boardsLength = boards.length; i < boardsLength; i++) {
+            const board = boards[i],
+                  list = BoardsStore.addList(board);
 
             if (list.type === 'done') {
-              list.position = 9999999;
+              list.position = Infinity;
             } else if (list.type === 'backlog') {
               list.position = -1;
             }
-          });
+          }
 
           BoardsStore.addBlankState();
           this.loading = false;
diff --git a/app/assets/javascripts/boards/components/board.js.es6 b/app/assets/javascripts/boards/components/board.js.es6
index 13853910d14..f402206ca00 100644
--- a/app/assets/javascripts/boards/components/board.js.es6
+++ b/app/assets/javascripts/boards/components/board.js.es6
@@ -1,25 +1,25 @@
-(function () {
+(() => {
   const Board = Vue.extend({
     props: {
       list: Object,
       disabled: Boolean,
       issueLinkBase: String
     },
-    data: function () {
+    data () {
       return {
         query: '',
         filters: BoardsStore.state.filters
       };
     },
     watch: {
-      'query': function () {
+      query () {
         if (this.list.canSearch()) {
           this.list.filters = this.getFilterData();
           this.list.getIssues(true);
         }
       },
-      'filters': {
-        handler: function () {
+      filters: {
+        handler () {
           this.list.page = 1;
           this.list.getIssues(true);
         },
@@ -27,30 +27,33 @@
       }
     },
     methods: {
-      clearSearch: function () {
+      clearSearch () {
         this.query = '';
       },
-      getFilterData: function () {
-        const queryData = this.list.canSearch() ? { search: this.query } : {};
+      getFilterData () {
+        const filters = this.filters;
+        let queryData = this.list.canSearch() ? { search: this.query } : {};
+        
+        Object.keys(filters).forEach((key) => { queryData[key] = filters[key]; });
 
-        return _.extend(queryData, this.filters);
+        return queryData;
       }
     },
     computed: {
-      isPreset: function () {
+      isPreset () {
         return this.list.type === 'backlog' || this.list.type === 'done' || this.list.type === 'blank';
       }
     },
-    ready: function () {
-      let options = _.extend({
+    ready () {
+      const options = gl.getBoardSortableDefaultOptions({
         disabled: this.disabled,
         group: 'boards',
         draggable: '.is-draggable',
         handle: '.js-board-handle',
-        onUpdate: function (e) {
+        onUpdate (e) {
           BoardsStore.moveList(e.oldIndex, e.newIndex);
         }
-      }, gl.boardSortableDefaultOptions);
+      });
 
       if (bp.getBreakpointSize() === 'sm' || bp.getBreakpointSize() === 'xs') {
         options.handle = '.js-board-drag-handle';
diff --git a/app/assets/javascripts/boards/components/board_blank_state.js.es6 b/app/assets/javascripts/boards/components/board_blank_state.js.es6
index 9c8894e646c..7c3f4073089 100644
--- a/app/assets/javascripts/boards/components/board_blank_state.js.es6
+++ b/app/assets/javascripts/boards/components/board_blank_state.js.es6
@@ -1,6 +1,6 @@
 (() => {
   const BoardBlankState = Vue.extend({
-    data: function () {
+    data () {
       return {
         predefinedLabels: [
           new ListLabel({ title: 'Development', color: '#5CB85C' }),
@@ -11,11 +11,13 @@
       }
     },
     methods: {
-      addDefaultLists: function (e) {
+      addDefaultLists (e) {
         e.stopImmediatePropagation();
         BoardsStore.removeBlankState();
 
-        _.each(this.predefinedLabels, (label, i) => {
+        for (let i = 0, labelsLength = this.predefinedLabels.length; i < labelsLength; i++) {
+          const label = this.predefinedLabels[i];
+
           BoardsStore.addList({
             title: label.title,
             position: i,
@@ -25,7 +27,7 @@
               color: label.color
             }
           });
-        });
+        }
 
         // Save the labels
         gl.boardService
@@ -33,15 +35,16 @@
           .then((resp) => {
             const data = resp.json();
 
-            _.each(data, (listObj) => {
-              const list = BoardsStore.findList('title', listObj.title);
+            for (let i = 0, dataLength = data.length; i < dataLength; i++) {
+              const listObj = data[i],
+                    list = BoardsStore.findList('title', listObj.title);
               list.id = listObj.id;
               list.label.id = listObj.label.id;
               list.getIssues();
-            });
+            }
           });
       },
-      clearBlankState: function () {
+      clearBlankState () {
         BoardsStore.removeBlankState();
       }
     }
diff --git a/app/assets/javascripts/boards/components/board_card.js.es6 b/app/assets/javascripts/boards/components/board_card.js.es6
index bb3a4e8439f..9af88265776 100644
--- a/app/assets/javascripts/boards/components/board_card.js.es6
+++ b/app/assets/javascripts/boards/components/board_card.js.es6
@@ -1,4 +1,4 @@
-(function () {
+(() => {
   const BoardCard = Vue.extend({
     props: {
       list: Object,
@@ -7,7 +7,7 @@
       disabled: Boolean
     },
     methods: {
-      filterByLabel: function (label, $event) {
+      filterByLabel (label, $event) {
         let labelToggleText = label.title;
         const labelIndex = BoardsStore.state.filters['label_name'].indexOf(label.title);
         $($event.target).tooltip('hide');
diff --git a/app/assets/javascripts/boards/components/board_delete.js.es6 b/app/assets/javascripts/boards/components/board_delete.js.es6
index fdd408c14ee..5d1de715a26 100644
--- a/app/assets/javascripts/boards/components/board_delete.js.es6
+++ b/app/assets/javascripts/boards/components/board_delete.js.es6
@@ -4,7 +4,7 @@
       list: Object
     },
     methods: {
-      deleteBoard: function (e) {
+      deleteBoard (e) {
         e.stopImmediatePropagation();
         $(this.$el).tooltip('hide');
 
diff --git a/app/assets/javascripts/boards/components/board_list.js.es6 b/app/assets/javascripts/boards/components/board_list.js.es6
index fc77d51bdcf..3c98c1e097f 100644
--- a/app/assets/javascripts/boards/components/board_list.js.es6
+++ b/app/assets/javascripts/boards/components/board_list.js.es6
@@ -1,4 +1,4 @@
-(function () {
+(() => {
   const BoardList = Vue.extend({
     props: {
       disabled: Boolean,
@@ -7,7 +7,7 @@
       loading: Boolean,
       issueLinkBase: String
     },
-    data: function () {
+    data () {
       return {
         scrollOffset: 250,
         loadingMore: false,
@@ -15,8 +15,8 @@
       };
     },
     watch: {
-      'filters': {
-        handler: function () {
+      filters: {
+        handler () {
           this.loadingMore = false;
           this.$els.list.scrollTop = 0;
         },
@@ -24,16 +24,16 @@
       }
     },
     methods: {
-      listHeight: function () {
+      listHeight () {
         return this.$els.list.getBoundingClientRect().height;
       },
-      scrollHeight: function () {
+      scrollHeight () {
         return this.$els.list.scrollHeight;
       },
-      scrollTop: function () {
+      scrollTop () {
         return this.$els.list.scrollTop + this.listHeight();
       },
-      loadNextPage: function () {
+      loadNextPage () {
         this.loadingMore = true;
         const getIssues = this.list.nextPage();
 
@@ -44,24 +44,24 @@
         }
       },
     },
-    ready: function () {
-      const list = this.list;
-      let options = _.extend({
-        group: 'issues',
-        sort: false,
-        disabled: this.disabled,
-        onAdd: (e) => {
-          const card = e.item,
-                fromListId = parseInt(e.from.getAttribute('data-board')),
-                toListId = parseInt(e.to.getAttribute('data-board')),
-                issueId = parseInt(card.getAttribute('data-issue'));
+    ready () {
+      const list = this.list,
+        options = gl.getBoardSortableDefaultOptions({
+          group: 'issues',
+          sort: false,
+          disabled: this.disabled,
+          onAdd (e) {
+            const card = e.item,
+                  fromListId = parseInt(e.from.getAttribute('data-board')),
+                  toListId = parseInt(e.to.getAttribute('data-board')),
+                  issueId = parseInt(card.getAttribute('data-issue'));
 
-          // Remove the new dom element & let vue add the element
-          card.parentNode.removeChild(card);
+            // Remove the new dom element & let vue add the element
+            card.parentNode.removeChild(card);
 
-          BoardsStore.moveCardToList(fromListId, toListId, issueId);
-        }
-      }, gl.boardSortableDefaultOptions);
+            BoardsStore.moveCardToList(fromListId, toListId, issueId);
+          }
+        });
 
       if (bp.getBreakpointSize() === 'sm' || bp.getBreakpointSize() === 'xs') {
         options.handle = '.js-card-drag-handle';
diff --git a/app/assets/javascripts/boards/components/new_list_dropdown.js.es6 b/app/assets/javascripts/boards/components/new_list_dropdown.js.es6
index 42950d90e5c..c2273d8f7d9 100644
--- a/app/assets/javascripts/boards/components/new_list_dropdown.js.es6
+++ b/app/assets/javascripts/boards/components/new_list_dropdown.js.es6
@@ -1,18 +1,18 @@
-$(function () {
+$(() => {
   $('.js-new-board-list').each(function () {
     const $this = $(this);
 
     new gl.CreateLabelDropdown($this.closest('.dropdown').find('.dropdown-new-label'), $this.data('project-id'));
 
     $this.glDropdown({
-      data: function(term, callback) {
+      data(term, callback) {
         $.ajax({
           url: $this.attr('data-labels')
         }).then((resp) => {
           callback(resp);
         });
       },
-      renderRow: (label) => {
+      renderRow (label) {
         const active = BoardsStore.findList('title', label.title),
               $li = $('<li />',),
               $a = $('<a />', {
@@ -32,7 +32,7 @@ $(function () {
 			},
 			filterable: true,
       selectable: true,
-      clicked: (label, $el, e) => {
+      clicked (label, $el, e) {
         e.preventDefault();
 
         if (!BoardsStore.findList('title', label.title)) {
diff --git a/app/assets/javascripts/boards/mixins/sortable_default_options.js.es6 b/app/assets/javascripts/boards/mixins/sortable_default_options.js.es6
index 5a2f3343669..9a5788790de 100644
--- a/app/assets/javascripts/boards/mixins/sortable_default_options.js.es6
+++ b/app/assets/javascripts/boards/mixins/sortable_default_options.js.es6
@@ -3,19 +3,24 @@
     window.gl = {};
   }
 
-  gl.boardSortableDefaultOptions = {
-    forceFallback: true,
-    fallbackClass: 'is-dragging',
-    fallbackOnBody: true,
-    ghostClass: 'is-ghost',
-    filter: '.has-tooltip',
-    scrollSensitivity: 100,
-    scrollSpeed: 20,
-    onStart: function () {
-      document.body.classList.add('is-dragging');
-    },
-    onEnd: function () {
-      document.body.classList.remove('is-dragging');
+  gl.getBoardSortableDefaultOptions = (obj) => {
+    let defaultSortOptions = {
+      forceFallback: true,
+      fallbackClass: 'is-dragging',
+      fallbackOnBody: true,
+      ghostClass: 'is-ghost',
+      filter: '.has-tooltip',
+      scrollSensitivity: 100,
+      scrollSpeed: 20,
+      onStart () {
+        document.body.classList.add('is-dragging');
+      },
+      onEnd () {
+        document.body.classList.remove('is-dragging');
+      }
     }
+
+    Object.keys(obj).forEach((key) => { defaultSortOptions[key] = obj[key]; });
+    return defaultSortOptions;
   };
 })(window);
diff --git a/app/assets/javascripts/boards/models/issue.js.es6 b/app/assets/javascripts/boards/models/issue.js.es6
index 1af3ded386b..c2aff84a4d9 100644
--- a/app/assets/javascripts/boards/models/issue.js.es6
+++ b/app/assets/javascripts/boards/models/issue.js.es6
@@ -10,11 +10,12 @@ class ListIssue {
 
     this.labels = [];
 
-    _.each(obj.labels, (label) => {
+    for (let i = 0, objLabelsLength = obj.labels.length; i < objLabelsLength; i++) {
+      const label = obj.labels[i];
       this.labels.push(new ListLabel(label));
-    });
+    }
 
-    this.priority = _.reduce(this.labels, (max, label) => {
+    this.priority = this.labels.reduce((max, label) => {
       return (label.priority < max) ? label.priority : max;
     }, Infinity);
   }
@@ -30,25 +31,28 @@ class ListIssue {
   }
 
   findLabel (findLabel) {
-    return _.find(this.labels, (label) => {
+    return this.labels.filter((label) => {
       return label.title === findLabel.title;
-    });
+    })[0];
   }
 
   removeLabel (removeLabel) {
     if (removeLabel) {
-      this.labels = _.reject(this.labels, (label) => {
-        return removeLabel.title === label.title;
+      this.labels = this.labels.filter((label) => {
+        return removeLabel.title !== label.title;
       });
     }
   }
 
   removeLabels (labels) {
-    _.each(labels, this.removeLabel.bind(this));
+    for (let i = 0, labelsLength = labels.length; i < labelsLength; i++) {
+      const label = labels[i];
+      this.removeLabel(label);
+    }
   }
 
   getLists () {
-    return _.filter(BoardsStore.state.lists, (list) => {
+    return BoardsStore.state.lists.filter((list) => {
       return list.findIssue(this.id);
     });
   }
diff --git a/app/assets/javascripts/boards/models/list.js.es6 b/app/assets/javascripts/boards/models/list.js.es6
index 662ab7354d4..0c4e289a8ad 100644
--- a/app/assets/javascripts/boards/models/list.js.es6
+++ b/app/assets/javascripts/boards/models/list.js.es6
@@ -33,8 +33,8 @@ class List {
 
   destroy () {
     if (this.type !== 'blank') {
-      BoardsStore.state.lists = _.reject(BoardsStore.state.lists, (list) => {
-        return list.id === this.id;
+      BoardsStore.state.lists = BoardsStore.state.lists.filter((list) => {
+        return list.id !== this.id;
       });
       BoardsStore.updateNewListDropdown();
 
@@ -59,11 +59,14 @@ class List {
   }
 
   getIssues (emptyIssues = true) {
-    let data = _.extend({ page: this.page }, this.filters);
+    const filters = this.filters;
+    let data = { page: this.page };
+
+    Object.keys(filters).forEach((key) => { data[key] = filters[key]; });
 
     if (this.label) {
-      data.label_name = _.reject(data.label_name, (label) => {
-        return label === this.label.title;
+      data.label_name = data.label_name.filter((label) => {
+        return label !== this.label.title;
       });
     }
 
@@ -85,9 +88,10 @@ class List {
   }
 
   createIssues (data) {
-    _.each(data, (issueObj) => {
+    for (let i = 0, dataLength = data.length; i < dataLength; i++) {
+      const issueObj = data[i];
       this.issues.push(new ListIssue(issueObj));
-    });
+    }
   }
 
   addIssue (issue, listFrom) {
@@ -99,20 +103,20 @@ class List {
   }
 
   findIssue (id) {
-    return _.find(this.issues, (issue) => {
+    return this.issues.filter((issue) => {
       return issue.id === id;
-    });
+    })[0];
   }
 
   removeIssue (removeIssue) {
-    this.issues = _.reject(this.issues, (issue) => {
+    this.issues = this.issues.filter((issue) => {
       const matchesRemove = removeIssue.id === issue.id;
 
       if (matchesRemove) {
         issue.removeLabel(this.label);
       }
 
-      return matchesRemove;
+      return !matchesRemove;
     });
   }
 }
diff --git a/app/assets/javascripts/boards/services/board_service.js.es6 b/app/assets/javascripts/boards/services/board_service.js.es6
index 3f5fddecca1..1ee0a9ead00 100644
--- a/app/assets/javascripts/boards/services/board_service.js.es6
+++ b/app/assets/javascripts/boards/services/board_service.js.es6
@@ -55,7 +55,8 @@ class BoardService {
   }
 
   getIssuesForList (id, filter = {}) {
-    const data = _.extend({ id }, filter)
+    let data = { id };
+    Object.keys(filter).forEach((key) => { data[key] = filter[key]; });
     this.setCSRF();
 
     return this.issues.get(data);
diff --git a/app/assets/javascripts/boards/stores/boards_store.js.es6 b/app/assets/javascripts/boards/stores/boards_store.js.es6
index 4eb8d9c500a..0fe0935feb5 100644
--- a/app/assets/javascripts/boards/stores/boards_store.js.es6
+++ b/app/assets/javascripts/boards/stores/boards_store.js.es6
@@ -2,7 +2,7 @@
   w.BoardsStore = {
     disabled: false,
     state: {},
-    create: function () {
+    create () {
       this.state.lists = [];
       this.state.filters = {
         author_id: gl.utils.getParameterValues('author_id')[0],
@@ -11,26 +11,29 @@
         label_name: gl.utils.getParameterValues('label_name[]')
       };
     },
-    addList: function (listObj) {
+    addList (listObj) {
       const list = new List(listObj);
       this.state.lists.push(list);
 
       return list;
     },
-    new: function (listObj) {
+    new (listObj) {
       const list = this.addList(listObj),
             backlogList = this.findList('type', 'backlog');
 
       list
         .save()
-        .then(function () {
+        .then(() => {
           // Remove any new issues from the backlog
           // as they will be visible in the new list
-          _.each(list.issues, backlogList.removeIssue.bind(backlogList));
+          for (let i = 0, issuesLength = list.issues.length; i < issuesLength; i++) {
+            const issue = list.issues[i];
+            backlogList.removeIssue(issue);
+          }
         });
       this.removeBlankState();
     },
-    updateNewListDropdown: function () {
+    updateNewListDropdown () {
       const glDropdown = $('.js-new-board-list').data('glDropdown');
 
       if (glDropdown) {
@@ -41,13 +44,13 @@
         }
       }
     },
-    shouldAddBlankState: function () {
+    shouldAddBlankState () {
       // Decide whether to add the blank state
-      return !(!!_.find(this.state.lists, function (list) {
+      return !(this.state.lists.filter((list) => {
         return list.type !== 'backlog' && list.type !== 'done';
-      }));
+      })[0]);
     },
-    addBlankState: function () {
+    addBlankState () {
       if (this.welcomeIsHidden() || this.disabled) return;
 
       if (this.shouldAddBlankState()) {
@@ -59,26 +62,26 @@
         });
       }
     },
-    removeBlankState: function () {
+    removeBlankState () {
       this.removeList('blank');
 
       $.cookie('issue_board_welcome_hidden', 'true', {
         expires: 365 * 10
       });
     },
-    welcomeIsHidden: function () {
+    welcomeIsHidden () {
       return $.cookie('issue_board_welcome_hidden') === 'true';
     },
-    removeList: function (id) {
+    removeList (id) {
       const list = this.findList('id', id);
 
       if (!list) return;
 
-      this.state.lists = _.reject(this.state.lists, (list) => {
-        return list.id === id;
+      this.state.lists = this.state.lists.filter((list) => {
+        return list.id !== id;
       });
     },
-    moveList: function (oldIndex, newIndex) {
+    moveList (oldIndex, newIndex) {
       if (oldIndex === newIndex) return;
 
       const listFrom = this.findList('position', oldIndex),
@@ -95,13 +98,13 @@
 
       listFrom.update();
     },
-    moveCardToList: function (listFromId, listToId, issueId) {
+    moveCardToList (listFromId, listToId, issueId) {
       const listFrom = this.findList('id', listFromId),
             listTo = this.findList('id', listToId),
             issueTo = listTo.findIssue(issueId),
             issue = listFrom.findIssue(issueId),
             issueLists = issue.getLists(),
-            listLabels = issueLists.map(function (issue) {
+            listLabels = issueLists.map((issue) => {
               return issue.label;
             });
 
@@ -111,20 +114,21 @@
       }
 
       if (listTo.type === 'done' && listFrom.type !== 'backlog') {
-        _.each(issueLists, function (list) {
+        for (let i = 0, listsLength = issueLists.length; i < listsLength; i++) {
+          const list = issueLists[i];
           list.removeIssue(issue);
-        });
+        }
         issue.removeLabels(listLabels);
       } else {
         listFrom.removeIssue(issue);
       }
     },
-    findList: function (key, val) {
-      return _.find(this.state.lists, (list) => {
+    findList (key, val) {
+      return this.state.lists.filter((list) => {
         return list[key] === val;
-      });
+      })[0];
     },
-    updateFiltersUrl: function () {
+    updateFiltersUrl () {
       history.pushState(null, null, `?${$.param(this.state.filters)}`);
     }
   };