lint timeline component

lib/timeline/component/BackgroundGroup.js

@@ -1,4 +1,3 @@
-var util = require('../../util');
 var Group = require('./Group');
 
 /**
@@ -25,7 +24,7 @@ BackgroundGroup.prototype = Object.create(Group.prototype);
  * @param {boolean} [forceRestack=false]  Force restacking of all items
  * @return {boolean} Returns true if the group is resized
  */
-BackgroundGroup.prototype.redraw = function(range, margin, forceRestack) {
+BackgroundGroup.prototype.redraw = function(range, margin, forceRestack) {  // eslint-disable-line no-unused-vars
   var resized = false;
 
   this.visibleItems = this._updateItemsInRange(this.orderedItems, this.visibleItems, range);

lib/timeline/component/Component.js

@@ -5,7 +5,7 @@ var util = require('../../util');
  * @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body]
  * @param {Object} [options]
  */
-function Component (body, options) {
+function Component (body, options) {  // eslint-disable-line no-unused-vars
   this.options = null;
   this.props = null;
 }

lib/timeline/component/DataScale.js

@@ -1,6 +1,3 @@
-/**
- * Created by ludo on 25-1-16.
- */
 
 function DataScale(start, end, autoScaleStart, autoScaleEnd, containerHeight, majorCharHeight, zeroAlign = false, formattingFunction=false) {
   this.majorSteps = [1, 2, 5, 10];
@@ -167,7 +164,6 @@ DataScale.prototype.followScale = function (other) {
   }
 
   //Get masters stats:
-  var lines = other.getLines();
   var otherZero = other.convertValue(0);
   var otherStep = other.getStep() * other.scale;
 

lib/timeline/component/GraphGroup.js

@@ -1,5 +1,4 @@
 var util = require('../../util');
-var DOMutil = require('../../DOMutil');
 var Bars = require('./graph2d_types/bar');
 var Lines = require('./graph2d_types/line');
 var Points = require('./graph2d_types/points');

lib/timeline/component/Group.js

@@ -1,6 +1,5 @@
 var util = require('../../util');
 var stack = require('../Stack');
-var RangeItem = require('./item/RangeItem');
 
 /**
  * @constructor Group
@@ -157,8 +156,7 @@ Group.prototype.setData = function(data) {
     }
   } else if (this.nestedGroups) {
     this.nestedGroups = null;
-
-    var collapsedDirClassName = this.itemSet.options.rtl ? 'collapsed-rtl' : 'collapsed'
+    collapsedDirClassName = this.itemSet.options.rtl ? 'collapsed-rtl' : 'collapsed'
     util.removeClassName(this.dom.label, collapsedDirClassName);
     util.removeClassName(this.dom.label, 'expanded');
     util.removeClassName(this.dom.label, 'vis-nesting-group');
@@ -290,7 +288,7 @@ Group.prototype.redraw = function(range, margin, forceRestack) {
   var height = this._calculateHeight(margin);
 
   // calculate actual size and position
-  var foreground = this.dom.foreground;
+  foreground = this.dom.foreground;
   this.top = foreground.offsetTop;
   this.right = foreground.offsetLeft;
   this.width = foreground.offsetWidth;
@@ -505,16 +503,17 @@ Group.prototype._updateSubgroupsSizes = function () {
 Group.prototype.orderSubgroups = function() {
   if (this.subgroupOrderer !== undefined) {
     var sortArray = [];
+    var subgroup;
     if (typeof this.subgroupOrderer == 'string') {
-      for (var subgroup in this.subgroups) {
+      for (subgroup in this.subgroups) {
         sortArray.push({subgroup: subgroup, sortField: this.subgroups[subgroup].items[0].data[this.subgroupOrderer]})
       }
       sortArray.sort(function (a, b) {
         return a.sortField - b.sortField;
       })
     }
     else if (typeof this.subgroupOrderer == 'function') {
-      for (var subgroup in this.subgroups) {
+      for (subgroup in this.subgroups) {
         sortArray.push(this.subgroups[subgroup].items[0].data);
       }
       sortArray.sort(this.subgroupOrderer);
@@ -629,7 +628,7 @@ Group.prototype._updateItemsInRange = function(orderedItems, oldVisibleItems, ra
     if      (value < lowerBound)  {return -1;}
     else if (value <= upperBound) {return  0;}
     else                          {return  1;}
-  }
+  };
 
   // first check if the items that were in view previously are still in view.
   // IMPORTANT: this handles the case for the items with startdate before the window and enddate after the window!
@@ -667,7 +666,7 @@ Group.prototype._updateItemsInRange = function(orderedItems, oldVisibleItems, ra
   }
 
   // finally, we reposition all the visible items.
-  for (var i = 0; i < visibleItems.length; i++) {
+  for (i = 0; i < visibleItems.length; i++) {
     var item = visibleItems[i];
     if (!item.displayed) item.show();
     // reposition item horizontally
@@ -679,8 +678,9 @@ Group.prototype._updateItemsInRange = function(orderedItems, oldVisibleItems, ra
 
 Group.prototype._traceVisible = function (initialPos, items, visibleItems, visibleItemsLookup, breakCondition) {
   if (initialPos != -1) {
-    for (var i = initialPos; i >= 0; i--) {
-      var item = items[i];
+    var i, item;
+    for (i = initialPos; i >= 0; i--) {
+      item = items[i];
       if (breakCondition(item)) {
         break;
       }
@@ -692,8 +692,8 @@ Group.prototype._traceVisible = function (initialPos, items, visibleItems, visib
       }
     }
 
-    for (var i = initialPos + 1; i < items.length; i++) {
-      var item = items[i];
+    for (i = initialPos + 1; i < items.length; i++) {
+      item = items[i];
       if (breakCondition(item)) {
         break;
       }