#3246 - fix issue when showMajorLabels == false is used with a weekly scale. (#3305)

* fixes showMajorLabel issue in #3246

https://github.com/almende/vis/issues/3246

* fix at TimeStep level, for weekly mode, when showMajorLabels == false

* pass options in TimeStep construction

lib/timeline/TimeStep.js

@@ -28,7 +28,7 @@ var util = require('../util');
  * @param {Date} [end]           The end date
  * @param {Number} [minimumStep] Optional. Minimum step size in milliseconds
  */
-function TimeStep(start, end, minimumStep, hiddenDates) {
+function TimeStep(start, end, minimumStep, hiddenDates, options) {
   this.moment = moment;
 
   // variables
@@ -58,6 +58,8 @@ function TimeStep(start, end, minimumStep, hiddenDates) {
   }
 
   this.format = TimeStep.FORMAT; // default formatting
+  this.options = options ? options : {};
+
 }
 
 // Time formatting
@@ -222,6 +224,8 @@ TimeStep.prototype.next = function() {
       if (this.current.weekday() !== 0){ // we had a month break not correlating with a week's start before
         this.current.weekday(0); // switch back to week cycles
         this.current.add(this.step, 'week');
+      } else if(this.options.showMajorLabels === false) {
+        this.current.add(this.step, 'week'); // the default case
       } else { // first day of the week
         var nextWeek = this.current.clone();
         nextWeek.add(1, 'week');

lib/timeline/component/TimeAxis.js

@@ -201,7 +201,7 @@ TimeAxis.prototype._repaintLabels = function () {
   var minimumStep = timeLabelsize - DateUtil.getHiddenDurationBefore(this.options.moment, this.body.hiddenDates, this.body.range, timeLabelsize);
   minimumStep -= this.body.util.toTime(0).valueOf();
 
-  var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates);
+  var step = new TimeStep(new Date(start), new Date(end), minimumStep, this.body.hiddenDates, this.options);
   step.setMoment(this.options.moment);
   if (this.options.format) {
     step.setFormat(this.options.format);