diff --git a/src/bar.js b/src/bar.js
index 9cbce04..0761f5a 100644
--- a/src/bar.js
+++ b/src/bar.js
@@ -504,10 +504,14 @@ export default class Bar {
         and then add the days in the month, making sure the number does not exceed 29
         so it is within the column */
         if (this.gantt.view_is('Month')) {
-            const diffDaysBasedOn30DayMonths = date_utils.diff(task_start, gantt_start, 'month') * 30;
-            const dayInMonth = Math.min(29, date_utils.format(task_start, "DD"));
+            const diffDaysBasedOn30DayMonths =
+                date_utils.diff(task_start, gantt_start, 'month') * 30;
+            const dayInMonth = Math.min(
+                29,
+                date_utils.format(task_start, 'DD'),
+            );
             const diff = diffDaysBasedOn30DayMonths + dayInMonth;
-            
+
             x = (diff * column_width) / 30;
         }
         this.x = x;
diff --git a/src/date_utils.js b/src/date_utils.js
index 77bebd0..11b2752 100644
--- a/src/date_utils.js
+++ b/src/date_utils.js
@@ -136,7 +136,7 @@ export default {
 
     diff(date_a, date_b, scale = DAY) {
         let milliseconds, seconds, hours, minutes, days, months, years;
-        
+
         milliseconds = date_a - date_b;
         seconds = milliseconds / 1000;
         minutes = seconds / 60;
@@ -145,17 +145,17 @@ export default {
         // Calculate months across years
         const yearDiff = date_a.getFullYear() - date_b.getFullYear();
         const monthDiff = date_a.getMonth() - date_b.getMonth();
-        
+
         /* If monthDiff is negative, date_b is in an earlier month than
         date_a and thus subtracted from the year difference in months */
         months = yearDiff * 12 + monthDiff;
-        
+
         /* If date_a's (e.g. march 1st) day of the month is smaller than date_b (e.g. february 28th),
         adjust the month difference */
         if (date_a.getDate() < date_b.getDate()) {
             months--;
         }
-        
+
         // Calculate years based on actual months
         years = months / 12;
 
diff --git a/src/index.js b/src/index.js
index 9fc52ee..c38cd93 100644
--- a/src/index.js
+++ b/src/index.js
@@ -680,7 +680,7 @@ export default class Gantt {
             }
         }
 
-        return { x }
+        return { x };
     }
 
     make_grid_highlights() {
@@ -697,7 +697,8 @@ export default class Gantt {
             const { x: left, date } = this.computeGridHighlightDimensions(
                 this.options.view_mode,
             );
-            if (!date || !this.dates.find((d) => d.getTime() == date.getTime())) return;
+            if (!date || !this.dates.find((d) => d.getTime() == date.getTime()))
+                return;
             const top = this.options.header_height + this.options.padding / 2;
             const height =
                 (this.options.bar_height + this.options.padding) *
@@ -1297,7 +1298,7 @@ export default class Gantt {
 
     trigger_event(event, args) {
         if (this.options['on_' + event]) {
-            this.options['on_' + event].apply(this, args)
+            this.options['on_' + event].apply(this, args);
         }
     }