From 0ebea3d1b8886f5d93467dfbdb12ff9b68106909 Mon Sep 17 00:00:00 2001
From: Safwan Samsudeen <safwansamsudeen.c@gmail.com>
Date: Sun, 14 Apr 2024 18:27:51 +0530
Subject: [PATCH] feat: scroll to today

---
 src/index.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index aac473c..0455184 100644
--- a/src/index.js
+++ b/src/index.js
@@ -100,6 +100,7 @@ export default class Gantt {
       language: "en",
       readonly: false,
       highlight_weekend: true,
+      scroll_today: true
     };
     this.options = Object.assign({}, default_options, options);
     if (!options.view_mode_padding) options.view_mode_padding = {}
@@ -337,6 +338,7 @@ export default class Gantt {
     this.map_arrows_on_bars();
     this.set_width();
     this.set_scroll_position();
+    if (this.options.scroll_today) this.scroll_today()
   }
 
   setup_layers() {
@@ -742,13 +744,17 @@ export default class Gantt {
     }
   }
 
-  set_scroll_position() {
+  set_scroll_position(date) {
+    if (!date) {
+      date = this.gantt_start
+    }
+
     const parent_element = this.$svg.parentElement;
     if (!parent_element) return;
 
     const hours_before_first_task = date_utils.diff(
       this.get_oldest_starting_date(),
-      this.gantt_start,
+      date,
       "hour",
     );
 
@@ -760,6 +766,12 @@ export default class Gantt {
     parent_element.scrollLeft = scroll_pos;
   }
 
+  scroll_today() {
+    const oldest = this.get_oldest_starting_date().getTime()
+    const t = new Date() - oldest
+    this.set_scroll_position(new Date(this.gantt_start.getTime() - t))
+  }
+
   bind_grid_click() {
     $.on(
       this.$svg,