From aa33ac9b4d085dea6ae9c7179b945b3eded02326 Mon Sep 17 00:00:00 2001
From: Safwan Samsudeen <safwansamsudeen.c@gmail.com>
Date: Wed, 11 Sep 2024 20:28:04 +0530
Subject: [PATCH] fix: use css to align lower text dates

---
 dist/frappe-gantt.js      | 37 ++++++++++++++++++++++++-------------
 dist/frappe-gantt.umd.cjs | 12 ++++++------
 dist/style.css            |  2 +-
 src/gantt.css             |  1 +
 src/index.js              |  3 +--
 5 files changed, 33 insertions(+), 22 deletions(-)

diff --git a/dist/frappe-gantt.js b/dist/frappe-gantt.js
index 01a82066..be0f75e6 100644
--- a/dist/frappe-gantt.js
+++ b/dist/frappe-gantt.js
@@ -848,7 +848,13 @@ class B {
       let e = document.createElement("button");
       e.classList.add("today-button"), e.textContent = "Today", e.onclick = this.scroll_today.bind(this), t.appendChild(e), this.$today_button = e;
     }
-    this.$header.appendChild(t), this.$side_header = t, window.addEventListener("scroll", this.update_button_position.bind(this)), window.addEventListener("resize", this.update_button_position.bind(this));
+    this.$header.appendChild(t), this.$side_header = t, window.addEventListener(
+      "scroll",
+      this.update_button_position.bind(this)
+    ), window.addEventListener(
+      "resize",
+      this.update_button_position.bind(this)
+    );
   }
   update_button_position() {
     const t = this.$container.getBoundingClientRect(), e = this.$side_header.getBoundingClientRect(), { left: s, y: i } = this.$header.getBoundingClientRect();
@@ -933,11 +939,21 @@ class B {
   }
   make_grid_highlights() {
     if (this.options.highlight_weekend && this.highlightWeekends(), this.view_is(l.DAY) || this.view_is(l.WEEK) || this.view_is(l.MONTH) || this.view_is(l.YEAR)) {
-      const { x: t, date: e } = this.computeGridHighlightDimensions(this.options.view_mode);
+      const { x: t, date: e } = this.computeGridHighlightDimensions(
+        this.options.view_mode
+      );
       if (!this.dates.find((o) => o.getTime() == e.getTime())) return;
       const s = this.options.header_height + this.options.padding / 2, i = (this.options.bar_height + this.options.padding) * this.tasks.length;
-      this.$current_highlight = this.create_el({ top: s, left: t, height: i, classes: "current-highlight", append_to: this.$container });
-      let r = document.getElementById(h.format(e).replaceAll(" ", "_"));
+      this.$current_highlight = this.create_el({
+        top: s,
+        left: t,
+        height: i,
+        classes: "current-highlight",
+        append_to: this.$container
+      });
+      let r = document.getElementById(
+        h.format(e).replaceAll(" ", "_")
+      );
       r && (r.classList.add("current-date-highlight"), r.style.top = +r.style.top.slice(0, -2) - 4 + "px", r.style.left = +r.style.left.slice(0, -2) - 8 + "px");
     }
   }
@@ -954,7 +970,7 @@ class B {
         classes: "lower-text",
         append_to: this.$lower_header
       });
-      if (s.innerText = t.lower_text, s.style.left = +s.style.left.slice(0, -2) - s.clientWidth / 2 + "px", t.upper_text) {
+      if (s.innerText = t.lower_text, s.style.left = +s.style.left.slice(0, -2) + "px", t.upper_text) {
         this.upper_texts_x[t.upper_text] = t.upper_x;
         let i = document.createElement("div");
         i.classList.add("upper-text"), i.style.left = t.upper_x + "px", i.style.top = t.upper_y + "px", i.innerText = t.upper_text, this.$upper_header.appendChild(i), t.upper_x > this.layers.grid.getBBox().width && i.remove();
@@ -1089,14 +1105,9 @@ class B {
     this.set_scroll_position(/* @__PURE__ */ new Date());
   }
   bind_grid_click() {
-    _.on(
-      this.$svg,
-      "click",
-      ".grid-row, .grid-header",
-      () => {
-        this.unselect_all(), this.hide_popup();
-      }
-    );
+    _.on(this.$svg, "click", ".grid-row, .grid-header", () => {
+      this.unselect_all(), this.hide_popup();
+    });
   }
   bind_bar_events() {
     let t = !1, e = 0, s = 0, i = !1, r = !1, o = null, a = [];
diff --git a/dist/frappe-gantt.umd.cjs b/dist/frappe-gantt.umd.cjs
index 497fbe69..5084c30f 100644
--- a/dist/frappe-gantt.umd.cjs
+++ b/dist/frappe-gantt.umd.cjs
@@ -1,23 +1,23 @@
-(function(y,x){typeof exports=="object"&&typeof module<"u"?module.exports=x():typeof define=="function"&&define.amd?define(x):(y=typeof globalThis<"u"?globalThis:y||self,y.Gantt=x())})(this,function(){"use strict";const y="year",x="month",k="day",D="hour",E="minute",Y="second",L="millisecond",S={January:"Jan",February:"Feb",March:"Mar",April:"Apr",May:"May",June:"Jun",July:"Jul",August:"Aug",September:"Sep",October:"Oct",November:"Nov",December:"Dec"},h={parse_duration(n){const e=/([0-9]+)(y|m|d|h|min|s|ms)/gm.exec(n);if(console.log(e),e!==null){if(e[2]==="y")return{duration:parseInt(e[1]),scale:"year"};if(e[2]==="m")return{duration:parseInt(e[1]),scale:"month"};if(e[2]==="d")return{duration:parseInt(e[1]),scale:"day"};if(e[2]==="h")return{duration:parseInt(e[1]),scale:"hour"};if(e[2]==="min")return{duration:parseInt(e[1]),scale:"minute"};if(e[2]==="s")return{duration:parseInt(e[1]),scale:"second"};if(e[2]==="ms")return{duration:parseInt(e[1]),scale:"millisecond"}}},parse(n,t="-",e=/[.:]/){if(n instanceof Date)return n;if(typeof n=="string"){let i,s;const r=n.split(" ");i=r[0].split(t).map(a=>parseInt(a,10)),s=r[1]&&r[1].split(e),i[1]=i[1]?i[1]-1:0;let o=i;return s&&s.length&&(s.length===4&&(s[3]="0."+s[3],s[3]=parseFloat(s[3])*1e3),o=o.concat(s)),new Date(...o)}},to_string(n,t=!1){if(!(n instanceof Date))throw new TypeError("Invalid argument type");const e=this.get_date_values(n).map((r,o)=>(o===1&&(r=r+1),o===6?M(r+"",3,"0"):M(r+"",2,"0"))),i=`${e[0]}-${e[1]}-${e[2]}`,s=`${e[3]}:${e[4]}:${e[5]}.${e[6]}`;return i+(t?" "+s:"")},format(n,t="YYYY-MM-DD HH:mm:ss.SSS",e="en"){const s=new Intl.DateTimeFormat(e,{month:"long"}).format(n),r=s.charAt(0).toUpperCase()+s.slice(1),o=this.get_date_values(n).map(u=>M(u,2,0)),a={YYYY:o[0],MM:M(+o[1]+1,2,0),DD:o[2],HH:o[3],mm:o[4],ss:o[5],SSS:o[6],D:o[2],MMMM:r,MMM:S[r]};let d=t;const p=[];return Object.keys(a).sort((u,c)=>c.length-u.length).forEach(u=>{d.includes(u)&&(d=d.replaceAll(u,`$${p.length}`),p.push(a[u]))}),p.forEach((u,c)=>{d=d.replaceAll(`$${c}`,u)}),d},diff(n,t,e=k){let i,s,r,o,a,d,p;return i=n-t,s=i/1e3,o=s/60,r=o/60,a=r/24,d=a/30,p=d/12,e.endsWith("s")||(e+="s"),Math.floor({milliseconds:i,seconds:s,minutes:o,hours:r,days:a,months:d,years:p}[e])},today(){const n=this.get_date_values(new Date).slice(0,3);return new Date(...n)},now(){return new Date},add(n,t,e){t=parseInt(t,10);const i=[n.getFullYear()+(e===y?t:0),n.getMonth()+(e===x?t:0),n.getDate()+(e===k?t:0),n.getHours()+(e===D?t:0),n.getMinutes()+(e===E?t:0),n.getSeconds()+(e===Y?t:0),n.getMilliseconds()+(e===L?t:0)];return new Date(...i)},start_of(n,t){const e={[y]:6,[x]:5,[k]:4,[D]:3,[E]:2,[Y]:1,[L]:0};function i(r){const o=e[t];return e[r]<=o}const s=[n.getFullYear(),i(y)?0:n.getMonth(),i(x)?1:n.getDate(),i(k)?0:n.getHours(),i(D)?0:n.getMinutes(),i(E)?0:n.getSeconds(),i(Y)?0:n.getMilliseconds()];return new Date(...s)},clone(n){return new Date(...this.get_date_values(n))},get_date_values(n){return[n.getFullYear(),n.getMonth(),n.getDate(),n.getHours(),n.getMinutes(),n.getSeconds(),n.getMilliseconds()]},get_days_in_month(n){const t=[31,28,31,30,31,30,31,31,30,31,30,31],e=n.getMonth();if(e!==1)return t[e];const i=n.getFullYear();return i%4===0&&i%100!=0||i%400===0?29:28}};function M(n,t,e){return n=n+"",t=t>>0,e=String(typeof e<"u"?e:" "),n.length>t?String(n):(t=t-n.length,t>e.length&&(e+=e.repeat(t/e.length)),e.slice(0,t)+String(n))}function _(n,t){return typeof n=="string"?(t||document).querySelector(n):n||null}function g(n,t){const e=document.createElementNS("http://www.w3.org/2000/svg",n);for(let i in t)i==="append_to"?t.append_to.appendChild(e):i==="innerHTML"?e.innerHTML=t.innerHTML:i==="clipPath"?e.setAttribute("clip-path","url(#"+t[i]+")"):e.setAttribute(i,t[i]);return e}function A(n,t,e,i){const s=W(n,t,e,i);if(s===n){const r=document.createEvent("HTMLEvents");r.initEvent("click",!0,!0),r.eventName="click",s.dispatchEvent(r)}}function W(n,t,e,i,s="0.4s",r="0.1s"){const o=n.querySelector("animate");if(o)return _.attr(o,{attributeName:t,from:e,to:i,dur:s,begin:"click + "+r}),n;const a=g("animate",{attributeName:t,from:e,to:i,dur:s,begin:r,calcMode:"spline",values:e+";"+i,keyTimes:"0; 1",keySplines:X("ease-out")});return n.appendChild(a),n}function X(n){return{ease:".25 .1 .25 1",linear:"0 0 1 1","ease-in":".42 0 1 1","ease-out":"0 0 .58 1","ease-in-out":".42 0 .58 1"}[n]}_.on=(n,t,e,i)=>{i?_.delegate(n,t,e,i):(i=e,_.bind(n,t,i))},_.off=(n,t,e)=>{n.removeEventListener(t,e)},_.bind=(n,t,e)=>{t.split(/\s+/).forEach(function(i){n.addEventListener(i,e)})},_.delegate=(n,t,e,i)=>{n.addEventListener(t,function(s){const r=s.target.closest(e);r&&(s.delegatedTarget=r,i.call(this,s,r))})},_.closest=(n,t)=>t?t.matches(n)?t:_.closest(n,t.parentNode):null,_.attr=(n,t,e)=>{if(!e&&typeof t=="string")return n.getAttribute(t);if(typeof t=="object"){for(let i in t)_.attr(n,i,t[i]);return}n.setAttribute(t,e)};class O{constructor(t,e){this.set_defaults(t,e),this.prepare(),this.draw(),this.bind()}set_defaults(t,e){this.action_completed=!1,this.gantt=t,this.task=e}prepare(){this.prepare_values(),this.prepare_helpers()}prepare_values(){this.invalid=this.task.invalid,this.height=this.gantt.options.bar_height,this.image_size=this.height-5,this.compute_x(),this.compute_y(),this.compute_duration(),this.corner_radius=this.gantt.options.bar_corner_radius,this.width=this.gantt.options.column_width*this.duration,this.progress_width=this.gantt.options.column_width*this.duration*(this.task.progress/100)||0,this.group=g("g",{class:"bar-wrapper"+(this.task.custom_class?" "+this.task.custom_class:"")+(this.task.important?" important":""),"data-id":this.task.id}),this.bar_group=g("g",{class:"bar-group",append_to:this.group}),this.handle_group=g("g",{class:"handle-group",append_to:this.group})}prepare_helpers(){SVGElement.prototype.getX=function(){return+this.getAttribute("x")},SVGElement.prototype.getY=function(){return+this.getAttribute("y")},SVGElement.prototype.getWidth=function(){return+this.getAttribute("width")},SVGElement.prototype.getHeight=function(){return+this.getAttribute("height")},SVGElement.prototype.getEndX=function(){return this.getX()+this.getWidth()}}prepare_expected_progress_values(){this.compute_expected_progress(),this.expected_progress_width=this.gantt.options.column_width*this.duration*(this.expected_progress/100)||0}draw(){this.draw_bar(),this.draw_progress_bar(),this.gantt.options.show_expected_progress&&(this.prepare_expected_progress_values(),this.draw_expected_progress_bar()),this.draw_label(),this.draw_resize_handles(),this.task.thumbnail&&this.draw_thumbnail()}draw_bar(){this.$bar=g("rect",{x:this.x,y:this.y,width:this.width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar"+(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)&&!this.task.important?" safari":""),append_to:this.bar_group}),A(this.$bar,"width",0,this.width),this.invalid&&this.$bar.classList.add("bar-invalid")}draw_expected_progress_bar(){this.invalid||(this.$expected_bar_progress=g("rect",{x:this.x,y:this.y,width:this.expected_progress_width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar-expected-progress",append_to:this.bar_group}),A(this.$expected_bar_progress,"width",0,this.expected_progress_width))}draw_progress_bar(){if(this.invalid)return;this.$bar_progress=g("rect",{x:this.x,y:this.y,width:this.progress_width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar-progress",append_to:this.bar_group});const t=h.diff(this.task._start,this.gantt.gantt_start,"hour")/this.gantt.options.step*this.gantt.options.column_width;let e=document.createElement("div");e.id=`${this.task.id}-highlight`,e.classList.add("date-highlight"),e.style.height=this.height*.8+"px",e.style.width=this.width+"px",e.style.top=this.gantt.options.header_height-25+"px",e.style.left=t+"px",this.$date_highlight=e,this.gantt.$lower_header.prepend(e),A(this.$bar_progress,"width",0,this.progress_width)}draw_label(){let t=this.x+this.$bar.getWidth()/2;this.task.thumbnail&&(t=this.x+this.image_size+5),g("text",{x:t,y:this.y+this.height/2,innerHTML:this.task.name,class:"bar-label",append_to:this.bar_group}),requestAnimationFrame(()=>this.update_label_position())}draw_thumbnail(){let t=10,e=2,i,s;i=g("defs",{append_to:this.bar_group}),g("rect",{id:"rect_"+this.task.id,x:this.x+t,y:this.y+e,width:this.image_size,height:this.image_size,rx:"15",class:"img_mask",append_to:i}),s=g("clipPath",{id:"clip_"+this.task.id,append_to:i}),g("use",{href:"#rect_"+this.task.id,append_to:s}),g("image",{x:this.x+t,y:this.y+e,width:this.image_size,height:this.image_size,class:"bar-img",href:this.task.thumbnail,clipPath:"clip_"+this.task.id,append_to:this.bar_group})}draw_resize_handles(){if(this.invalid||this.gantt.options.readonly)return;const t=this.$bar,e=8;if(this.gantt.options.dates_readonly||(g("rect",{x:t.getX()+t.getWidth()+e-4,y:t.getY()+1,width:e,height:this.height-2,rx:this.corner_radius,ry:this.corner_radius,class:"handle right",append_to:this.handle_group}),g("rect",{x:t.getX()-e-4,y:t.getY()+1,width:e,height:this.height-2,rx:this.corner_radius,ry:this.corner_radius,class:"handle left",append_to:this.handle_group})),!this.gantt.options.progress_readonly){const i=this.$bar_progress;this.$handle_progress=g("circle",{cx:i.getEndX(),cy:i.getY()+i.getHeight()/2,r:5,class:"handle progress",append_to:this.handle_group})}}bind(){this.invalid||this.setup_click_event()}setup_click_event(){let t=this.task.id;_.on(this.group,"mouseover",i=>{this.gantt.trigger_event("hover",[this.task,i.screenX,i.screenY,i])});let e;_.on(this.group,"mouseenter",i=>e=setTimeout(()=>{this.show_popup(i.offsetX||i.layerX),document.getElementById(`${t}-highlight`).style.display="block"},200)),_.on(this.group,"mouseleave",()=>{var i,s;clearTimeout(e),(s=(i=this.gantt.popup)==null?void 0:i.hide)==null||s.call(i),document.getElementById(`${t}-highlight`).style.display="none"}),_.on(this.group,"click",()=>{this.gantt.trigger_event("click",[this.task])}),_.on(this.group,"dblclick",i=>{this.action_completed||(this.group.classList.remove("active"),this.gantt.popup&&this.gantt.popup.parent.classList.remove("hidden"),this.gantt.trigger_event("double_click",[this.task]))})}show_popup(t){if(this.gantt.bar_being_dragged)return;const e=h.format(this.task._start,"MMM D",this.gantt.options.language),i=h.format(h.add(this.task._end,-1,"second"),"MMM D",this.gantt.options.language),s=`${e} -  ${i}<br/>Progress: ${this.task.progress}`;this.gantt.show_popup({x:t,target_element:this.$bar,title:this.task.name,subtitle:s,task:this.task})}update_bar_position({x:t=null,width:e=null}){const i=this.$bar;if(t){if(!this.task.dependencies.map(o=>this.gantt.get_bar(o).$bar.getX()).reduce((o,a)=>t>=a,t)){e=null;return}this.update_attr(i,"x",t),this.$date_highlight.style.left=t+"px"}e&&(this.update_attr(i,"width",e),this.$date_highlight.style.width=e+"px"),this.update_label_position(),this.update_handle_position(),this.gantt.options.show_expected_progress&&(this.date_changed(),this.compute_duration(),this.update_expected_progressbar_position()),this.update_progressbar_position(),this.update_arrow_position()}update_label_position_on_horizontal_scroll({x:t,sx:e}){const i=document.querySelector(".gantt-container"),s=this.group.querySelector(".bar-label"),r=this.group.querySelector(".bar-img")||"",o=this.bar_group.querySelector(".img_mask")||"";let a=this.$bar.getX()+this.$bar.getWidth(),d=s.getX()+t,p=r&&r.getX()+t||0,u=r&&r.getBBox().width+7||7,c=d+s.getBBox().width+7,f=e+i.clientWidth/2;s.classList.contains("big")||(c<a&&t>0&&c<f||d-u>this.$bar.getX()&&t<0&&c>f)&&(s.setAttribute("x",d),r&&(r.setAttribute("x",p),o.setAttribute("x",p)))}date_changed(){let t=!1;const{new_start_date:e,new_end_date:i}=this.compute_start_end_date();Number(this.task._start)!==Number(e)&&(t=!0,this.task._start=e),Number(this.task._end)!==Number(i)&&(t=!0,this.task._end=i),t&&this.gantt.trigger_event("date_change",[this.task,e,h.add(i,-1,"second")])}progress_changed(){const t=this.compute_progress();this.task.progress=t,this.gantt.trigger_event("progress_change",[this.task,t])}set_action_completed(){this.action_completed=!0,setTimeout(()=>this.action_completed=!1,1e3)}compute_start_end_date(){const t=this.$bar,e=t.getX()/this.gantt.options.column_width;let i=h.add(this.gantt.gantt_start,e*this.gantt.options.step,"hour");const s=this.gantt.gantt_start.getTimezoneOffset()-i.getTimezoneOffset();s&&(i=h.add(i,s,"minute"));const r=t.getWidth()/this.gantt.options.column_width,o=h.add(i,r*this.gantt.options.step,"hour");return{new_start_date:i,new_end_date:o}}compute_progress(){const t=this.$bar_progress.getWidth()/this.$bar.getWidth()*100;return parseInt(t,10)}compute_expected_progress(){this.expected_progress=h.diff(h.today(),this.task._start,"hour")/this.gantt.options.step,this.expected_progress=(this.expected_progress<this.duration?this.expected_progress:this.duration)*100/this.duration}compute_x(){const{step:t,column_width:e}=this.gantt.options,i=this.task._start,s=this.gantt.gantt_start;let o=h.diff(i,s,"hour")/t*e;this.gantt.view_is("Month")&&(o=h.diff(i,s,"day")*e/30),this.x=o}compute_y(){this.y=this.gantt.options.header_height+this.gantt.options.padding+this.task._index*(this.height+this.gantt.options.padding)}compute_duration(){this.duration=h.diff(this.task._end,this.task._start,"hour")/this.gantt.options.step}get_snap_position(t){let e=t,i,s;return this.gantt.view_is("Week")?(i=t%(this.gantt.options.column_width/7),s=e-i+(i<this.gantt.options.column_width/14?0:this.gantt.options.column_width/7)):this.gantt.view_is("Month")?(i=t%(this.gantt.options.column_width/30),s=e-i+(i<this.gantt.options.column_width/60?0:this.gantt.options.column_width/30)):(i=t%this.gantt.options.column_width,s=e-i+(i<this.gantt.options.column_width/2?0:this.gantt.options.column_width)),s}update_attr(t,e,i){return i=+i,isNaN(i)||t.setAttribute(e,i),t}update_expected_progressbar_position(){this.invalid||(this.$expected_bar_progress.setAttribute("x",this.$bar.getX()),this.compute_expected_progress(),this.$expected_bar_progress.setAttribute("width",this.gantt.options.column_width*this.duration*(this.expected_progress/100)||0))}update_progressbar_position(){this.invalid||this.gantt.options.readonly||(this.$bar_progress.setAttribute("x",this.$bar.getX()),this.$bar_progress.setAttribute("width",this.$bar.getWidth()*(this.task.progress/100)))}update_label_position(){const t=this.bar_group.querySelector(".img_mask")||"",e=this.$bar,i=this.group.querySelector(".bar-label"),s=this.group.querySelector(".bar-img");let r=5,o=this.image_size+10;const a=i.getBBox().width,d=e.getWidth();a>d?(i.classList.add("big"),s?(s.setAttribute("x",e.getX()+e.getWidth()+r),t.setAttribute("x",e.getX()+e.getWidth()+r),i.setAttribute("x",e.getX()+e.getWidth()+o)):i.setAttribute("x",e.getX()+e.getWidth()+r)):(i.classList.remove("big"),s?(s.setAttribute("x",e.getX()+r),t.setAttribute("x",e.getX()+r),i.setAttribute("x",e.getX()+d/2+o)):i.setAttribute("x",e.getX()+d/2-a/2))}update_handle_position(){if(this.invalid||this.gantt.options.readonly)return;const t=this.$bar;this.handle_group.querySelector(".handle.left").setAttribute("x",t.getX()-12),this.handle_group.querySelector(".handle.right").setAttribute("x",t.getEndX()+4);const e=this.group.querySelector(".handle.progress");e&&e.setAttribute("cx",this.$bar_progress.getEndX())}update_arrow_position(){this.arrows=this.arrows||[];for(let t of this.arrows)t.update()}}class C{constructor(t,e,i){this.gantt=t,this.from_task=e,this.to_task=i,this.calculate_path(),this.draw()}calculate_path(){let t=this.from_task.$bar.getX()+this.from_task.$bar.getWidth()/2;const e=()=>this.to_task.$bar.getX()<t+this.gantt.options.padding&&t>this.from_task.$bar.getX()+this.gantt.options.padding;for(;e();)t-=10;const i=this.gantt.options.header_height+this.gantt.options.bar_height+(this.gantt.options.padding+this.gantt.options.bar_height)*this.from_task.task._index+this.gantt.options.padding,s=this.to_task.$bar.getX()-this.gantt.options.padding/2-7,r=this.gantt.options.header_height+this.gantt.options.bar_height/2+(this.gantt.options.padding+this.gantt.options.bar_height)*this.to_task.task._index+this.gantt.options.padding,o=this.from_task.task._index>this.to_task.task._index,a=this.gantt.options.arrow_curve,d=o?1:0,p=o?-a:a,u=o?r+this.gantt.options.arrow_curve:r-this.gantt.options.arrow_curve;if(this.path=`
-            M ${t} ${i}
+(function(y,x){typeof exports=="object"&&typeof module<"u"?module.exports=x():typeof define=="function"&&define.amd?define(x):(y=typeof globalThis<"u"?globalThis:y||self,y.Gantt=x())})(this,function(){"use strict";const y="year",x="month",k="day",D="hour",E="minute",Y="second",L="millisecond",S={January:"Jan",February:"Feb",March:"Mar",April:"Apr",May:"May",June:"Jun",July:"Jul",August:"Aug",September:"Sep",October:"Oct",November:"Nov",December:"Dec"},h={parse_duration(n){const e=/([0-9]+)(y|m|d|h|min|s|ms)/gm.exec(n);if(console.log(e),e!==null){if(e[2]==="y")return{duration:parseInt(e[1]),scale:"year"};if(e[2]==="m")return{duration:parseInt(e[1]),scale:"month"};if(e[2]==="d")return{duration:parseInt(e[1]),scale:"day"};if(e[2]==="h")return{duration:parseInt(e[1]),scale:"hour"};if(e[2]==="min")return{duration:parseInt(e[1]),scale:"minute"};if(e[2]==="s")return{duration:parseInt(e[1]),scale:"second"};if(e[2]==="ms")return{duration:parseInt(e[1]),scale:"millisecond"}}},parse(n,t="-",e=/[.:]/){if(n instanceof Date)return n;if(typeof n=="string"){let s,i;const r=n.split(" ");s=r[0].split(t).map(a=>parseInt(a,10)),i=r[1]&&r[1].split(e),s[1]=s[1]?s[1]-1:0;let o=s;return i&&i.length&&(i.length===4&&(i[3]="0."+i[3],i[3]=parseFloat(i[3])*1e3),o=o.concat(i)),new Date(...o)}},to_string(n,t=!1){if(!(n instanceof Date))throw new TypeError("Invalid argument type");const e=this.get_date_values(n).map((r,o)=>(o===1&&(r=r+1),o===6?M(r+"",3,"0"):M(r+"",2,"0"))),s=`${e[0]}-${e[1]}-${e[2]}`,i=`${e[3]}:${e[4]}:${e[5]}.${e[6]}`;return s+(t?" "+i:"")},format(n,t="YYYY-MM-DD HH:mm:ss.SSS",e="en"){const i=new Intl.DateTimeFormat(e,{month:"long"}).format(n),r=i.charAt(0).toUpperCase()+i.slice(1),o=this.get_date_values(n).map(u=>M(u,2,0)),a={YYYY:o[0],MM:M(+o[1]+1,2,0),DD:o[2],HH:o[3],mm:o[4],ss:o[5],SSS:o[6],D:o[2],MMMM:r,MMM:S[r]};let d=t;const p=[];return Object.keys(a).sort((u,c)=>c.length-u.length).forEach(u=>{d.includes(u)&&(d=d.replaceAll(u,`$${p.length}`),p.push(a[u]))}),p.forEach((u,c)=>{d=d.replaceAll(`$${c}`,u)}),d},diff(n,t,e=k){let s,i,r,o,a,d,p;return s=n-t,i=s/1e3,o=i/60,r=o/60,a=r/24,d=a/30,p=d/12,e.endsWith("s")||(e+="s"),Math.floor({milliseconds:s,seconds:i,minutes:o,hours:r,days:a,months:d,years:p}[e])},today(){const n=this.get_date_values(new Date).slice(0,3);return new Date(...n)},now(){return new Date},add(n,t,e){t=parseInt(t,10);const s=[n.getFullYear()+(e===y?t:0),n.getMonth()+(e===x?t:0),n.getDate()+(e===k?t:0),n.getHours()+(e===D?t:0),n.getMinutes()+(e===E?t:0),n.getSeconds()+(e===Y?t:0),n.getMilliseconds()+(e===L?t:0)];return new Date(...s)},start_of(n,t){const e={[y]:6,[x]:5,[k]:4,[D]:3,[E]:2,[Y]:1,[L]:0};function s(r){const o=e[t];return e[r]<=o}const i=[n.getFullYear(),s(y)?0:n.getMonth(),s(x)?1:n.getDate(),s(k)?0:n.getHours(),s(D)?0:n.getMinutes(),s(E)?0:n.getSeconds(),s(Y)?0:n.getMilliseconds()];return new Date(...i)},clone(n){return new Date(...this.get_date_values(n))},get_date_values(n){return[n.getFullYear(),n.getMonth(),n.getDate(),n.getHours(),n.getMinutes(),n.getSeconds(),n.getMilliseconds()]},get_days_in_month(n){const t=[31,28,31,30,31,30,31,31,30,31,30,31],e=n.getMonth();if(e!==1)return t[e];const s=n.getFullYear();return s%4===0&&s%100!=0||s%400===0?29:28}};function M(n,t,e){return n=n+"",t=t>>0,e=String(typeof e<"u"?e:" "),n.length>t?String(n):(t=t-n.length,t>e.length&&(e+=e.repeat(t/e.length)),e.slice(0,t)+String(n))}function _(n,t){return typeof n=="string"?(t||document).querySelector(n):n||null}function g(n,t){const e=document.createElementNS("http://www.w3.org/2000/svg",n);for(let s in t)s==="append_to"?t.append_to.appendChild(e):s==="innerHTML"?e.innerHTML=t.innerHTML:s==="clipPath"?e.setAttribute("clip-path","url(#"+t[s]+")"):e.setAttribute(s,t[s]);return e}function A(n,t,e,s){const i=W(n,t,e,s);if(i===n){const r=document.createEvent("HTMLEvents");r.initEvent("click",!0,!0),r.eventName="click",i.dispatchEvent(r)}}function W(n,t,e,s,i="0.4s",r="0.1s"){const o=n.querySelector("animate");if(o)return _.attr(o,{attributeName:t,from:e,to:s,dur:i,begin:"click + "+r}),n;const a=g("animate",{attributeName:t,from:e,to:s,dur:i,begin:r,calcMode:"spline",values:e+";"+s,keyTimes:"0; 1",keySplines:X("ease-out")});return n.appendChild(a),n}function X(n){return{ease:".25 .1 .25 1",linear:"0 0 1 1","ease-in":".42 0 1 1","ease-out":"0 0 .58 1","ease-in-out":".42 0 .58 1"}[n]}_.on=(n,t,e,s)=>{s?_.delegate(n,t,e,s):(s=e,_.bind(n,t,s))},_.off=(n,t,e)=>{n.removeEventListener(t,e)},_.bind=(n,t,e)=>{t.split(/\s+/).forEach(function(s){n.addEventListener(s,e)})},_.delegate=(n,t,e,s)=>{n.addEventListener(t,function(i){const r=i.target.closest(e);r&&(i.delegatedTarget=r,s.call(this,i,r))})},_.closest=(n,t)=>t?t.matches(n)?t:_.closest(n,t.parentNode):null,_.attr=(n,t,e)=>{if(!e&&typeof t=="string")return n.getAttribute(t);if(typeof t=="object"){for(let s in t)_.attr(n,s,t[s]);return}n.setAttribute(t,e)};class O{constructor(t,e){this.set_defaults(t,e),this.prepare(),this.draw(),this.bind()}set_defaults(t,e){this.action_completed=!1,this.gantt=t,this.task=e}prepare(){this.prepare_values(),this.prepare_helpers()}prepare_values(){this.invalid=this.task.invalid,this.height=this.gantt.options.bar_height,this.image_size=this.height-5,this.compute_x(),this.compute_y(),this.compute_duration(),this.corner_radius=this.gantt.options.bar_corner_radius,this.width=this.gantt.options.column_width*this.duration,this.progress_width=this.gantt.options.column_width*this.duration*(this.task.progress/100)||0,this.group=g("g",{class:"bar-wrapper"+(this.task.custom_class?" "+this.task.custom_class:"")+(this.task.important?" important":""),"data-id":this.task.id}),this.bar_group=g("g",{class:"bar-group",append_to:this.group}),this.handle_group=g("g",{class:"handle-group",append_to:this.group})}prepare_helpers(){SVGElement.prototype.getX=function(){return+this.getAttribute("x")},SVGElement.prototype.getY=function(){return+this.getAttribute("y")},SVGElement.prototype.getWidth=function(){return+this.getAttribute("width")},SVGElement.prototype.getHeight=function(){return+this.getAttribute("height")},SVGElement.prototype.getEndX=function(){return this.getX()+this.getWidth()}}prepare_expected_progress_values(){this.compute_expected_progress(),this.expected_progress_width=this.gantt.options.column_width*this.duration*(this.expected_progress/100)||0}draw(){this.draw_bar(),this.draw_progress_bar(),this.gantt.options.show_expected_progress&&(this.prepare_expected_progress_values(),this.draw_expected_progress_bar()),this.draw_label(),this.draw_resize_handles(),this.task.thumbnail&&this.draw_thumbnail()}draw_bar(){this.$bar=g("rect",{x:this.x,y:this.y,width:this.width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar"+(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)&&!this.task.important?" safari":""),append_to:this.bar_group}),A(this.$bar,"width",0,this.width),this.invalid&&this.$bar.classList.add("bar-invalid")}draw_expected_progress_bar(){this.invalid||(this.$expected_bar_progress=g("rect",{x:this.x,y:this.y,width:this.expected_progress_width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar-expected-progress",append_to:this.bar_group}),A(this.$expected_bar_progress,"width",0,this.expected_progress_width))}draw_progress_bar(){if(this.invalid)return;this.$bar_progress=g("rect",{x:this.x,y:this.y,width:this.progress_width,height:this.height,rx:this.corner_radius,ry:this.corner_radius,class:"bar-progress",append_to:this.bar_group});const t=h.diff(this.task._start,this.gantt.gantt_start,"hour")/this.gantt.options.step*this.gantt.options.column_width;let e=document.createElement("div");e.id=`${this.task.id}-highlight`,e.classList.add("date-highlight"),e.style.height=this.height*.8+"px",e.style.width=this.width+"px",e.style.top=this.gantt.options.header_height-25+"px",e.style.left=t+"px",this.$date_highlight=e,this.gantt.$lower_header.prepend(e),A(this.$bar_progress,"width",0,this.progress_width)}draw_label(){let t=this.x+this.$bar.getWidth()/2;this.task.thumbnail&&(t=this.x+this.image_size+5),g("text",{x:t,y:this.y+this.height/2,innerHTML:this.task.name,class:"bar-label",append_to:this.bar_group}),requestAnimationFrame(()=>this.update_label_position())}draw_thumbnail(){let t=10,e=2,s,i;s=g("defs",{append_to:this.bar_group}),g("rect",{id:"rect_"+this.task.id,x:this.x+t,y:this.y+e,width:this.image_size,height:this.image_size,rx:"15",class:"img_mask",append_to:s}),i=g("clipPath",{id:"clip_"+this.task.id,append_to:s}),g("use",{href:"#rect_"+this.task.id,append_to:i}),g("image",{x:this.x+t,y:this.y+e,width:this.image_size,height:this.image_size,class:"bar-img",href:this.task.thumbnail,clipPath:"clip_"+this.task.id,append_to:this.bar_group})}draw_resize_handles(){if(this.invalid||this.gantt.options.readonly)return;const t=this.$bar,e=8;if(this.gantt.options.dates_readonly||(g("rect",{x:t.getX()+t.getWidth()+e-4,y:t.getY()+1,width:e,height:this.height-2,rx:this.corner_radius,ry:this.corner_radius,class:"handle right",append_to:this.handle_group}),g("rect",{x:t.getX()-e-4,y:t.getY()+1,width:e,height:this.height-2,rx:this.corner_radius,ry:this.corner_radius,class:"handle left",append_to:this.handle_group})),!this.gantt.options.progress_readonly){const s=this.$bar_progress;this.$handle_progress=g("circle",{cx:s.getEndX(),cy:s.getY()+s.getHeight()/2,r:5,class:"handle progress",append_to:this.handle_group})}}bind(){this.invalid||this.setup_click_event()}setup_click_event(){let t=this.task.id;_.on(this.group,"mouseover",s=>{this.gantt.trigger_event("hover",[this.task,s.screenX,s.screenY,s])});let e;_.on(this.group,"mouseenter",s=>e=setTimeout(()=>{this.show_popup(s.offsetX||s.layerX),document.getElementById(`${t}-highlight`).style.display="block"},200)),_.on(this.group,"mouseleave",()=>{var s,i;clearTimeout(e),(i=(s=this.gantt.popup)==null?void 0:s.hide)==null||i.call(s),document.getElementById(`${t}-highlight`).style.display="none"}),_.on(this.group,"click",()=>{this.gantt.trigger_event("click",[this.task])}),_.on(this.group,"dblclick",s=>{this.action_completed||(this.group.classList.remove("active"),this.gantt.popup&&this.gantt.popup.parent.classList.remove("hidden"),this.gantt.trigger_event("double_click",[this.task]))})}show_popup(t){if(this.gantt.bar_being_dragged)return;const e=h.format(this.task._start,"MMM D",this.gantt.options.language),s=h.format(h.add(this.task._end,-1,"second"),"MMM D",this.gantt.options.language),i=`${e} -  ${s}<br/>Progress: ${this.task.progress}`;this.gantt.show_popup({x:t,target_element:this.$bar,title:this.task.name,subtitle:i,task:this.task})}update_bar_position({x:t=null,width:e=null}){const s=this.$bar;if(t){if(!this.task.dependencies.map(o=>this.gantt.get_bar(o).$bar.getX()).reduce((o,a)=>t>=a,t)){e=null;return}this.update_attr(s,"x",t),this.$date_highlight.style.left=t+"px"}e&&(this.update_attr(s,"width",e),this.$date_highlight.style.width=e+"px"),this.update_label_position(),this.update_handle_position(),this.gantt.options.show_expected_progress&&(this.date_changed(),this.compute_duration(),this.update_expected_progressbar_position()),this.update_progressbar_position(),this.update_arrow_position()}update_label_position_on_horizontal_scroll({x:t,sx:e}){const s=document.querySelector(".gantt-container"),i=this.group.querySelector(".bar-label"),r=this.group.querySelector(".bar-img")||"",o=this.bar_group.querySelector(".img_mask")||"";let a=this.$bar.getX()+this.$bar.getWidth(),d=i.getX()+t,p=r&&r.getX()+t||0,u=r&&r.getBBox().width+7||7,c=d+i.getBBox().width+7,f=e+s.clientWidth/2;i.classList.contains("big")||(c<a&&t>0&&c<f||d-u>this.$bar.getX()&&t<0&&c>f)&&(i.setAttribute("x",d),r&&(r.setAttribute("x",p),o.setAttribute("x",p)))}date_changed(){let t=!1;const{new_start_date:e,new_end_date:s}=this.compute_start_end_date();Number(this.task._start)!==Number(e)&&(t=!0,this.task._start=e),Number(this.task._end)!==Number(s)&&(t=!0,this.task._end=s),t&&this.gantt.trigger_event("date_change",[this.task,e,h.add(s,-1,"second")])}progress_changed(){const t=this.compute_progress();this.task.progress=t,this.gantt.trigger_event("progress_change",[this.task,t])}set_action_completed(){this.action_completed=!0,setTimeout(()=>this.action_completed=!1,1e3)}compute_start_end_date(){const t=this.$bar,e=t.getX()/this.gantt.options.column_width;let s=h.add(this.gantt.gantt_start,e*this.gantt.options.step,"hour");const i=this.gantt.gantt_start.getTimezoneOffset()-s.getTimezoneOffset();i&&(s=h.add(s,i,"minute"));const r=t.getWidth()/this.gantt.options.column_width,o=h.add(s,r*this.gantt.options.step,"hour");return{new_start_date:s,new_end_date:o}}compute_progress(){const t=this.$bar_progress.getWidth()/this.$bar.getWidth()*100;return parseInt(t,10)}compute_expected_progress(){this.expected_progress=h.diff(h.today(),this.task._start,"hour")/this.gantt.options.step,this.expected_progress=(this.expected_progress<this.duration?this.expected_progress:this.duration)*100/this.duration}compute_x(){const{step:t,column_width:e}=this.gantt.options,s=this.task._start,i=this.gantt.gantt_start;let o=h.diff(s,i,"hour")/t*e;this.gantt.view_is("Month")&&(o=h.diff(s,i,"day")*e/30),this.x=o}compute_y(){this.y=this.gantt.options.header_height+this.gantt.options.padding+this.task._index*(this.height+this.gantt.options.padding)}compute_duration(){this.duration=h.diff(this.task._end,this.task._start,"hour")/this.gantt.options.step}get_snap_position(t){let e=t,s,i;return this.gantt.view_is("Week")?(s=t%(this.gantt.options.column_width/7),i=e-s+(s<this.gantt.options.column_width/14?0:this.gantt.options.column_width/7)):this.gantt.view_is("Month")?(s=t%(this.gantt.options.column_width/30),i=e-s+(s<this.gantt.options.column_width/60?0:this.gantt.options.column_width/30)):(s=t%this.gantt.options.column_width,i=e-s+(s<this.gantt.options.column_width/2?0:this.gantt.options.column_width)),i}update_attr(t,e,s){return s=+s,isNaN(s)||t.setAttribute(e,s),t}update_expected_progressbar_position(){this.invalid||(this.$expected_bar_progress.setAttribute("x",this.$bar.getX()),this.compute_expected_progress(),this.$expected_bar_progress.setAttribute("width",this.gantt.options.column_width*this.duration*(this.expected_progress/100)||0))}update_progressbar_position(){this.invalid||this.gantt.options.readonly||(this.$bar_progress.setAttribute("x",this.$bar.getX()),this.$bar_progress.setAttribute("width",this.$bar.getWidth()*(this.task.progress/100)))}update_label_position(){const t=this.bar_group.querySelector(".img_mask")||"",e=this.$bar,s=this.group.querySelector(".bar-label"),i=this.group.querySelector(".bar-img");let r=5,o=this.image_size+10;const a=s.getBBox().width,d=e.getWidth();a>d?(s.classList.add("big"),i?(i.setAttribute("x",e.getX()+e.getWidth()+r),t.setAttribute("x",e.getX()+e.getWidth()+r),s.setAttribute("x",e.getX()+e.getWidth()+o)):s.setAttribute("x",e.getX()+e.getWidth()+r)):(s.classList.remove("big"),i?(i.setAttribute("x",e.getX()+r),t.setAttribute("x",e.getX()+r),s.setAttribute("x",e.getX()+d/2+o)):s.setAttribute("x",e.getX()+d/2-a/2))}update_handle_position(){if(this.invalid||this.gantt.options.readonly)return;const t=this.$bar;this.handle_group.querySelector(".handle.left").setAttribute("x",t.getX()-12),this.handle_group.querySelector(".handle.right").setAttribute("x",t.getEndX()+4);const e=this.group.querySelector(".handle.progress");e&&e.setAttribute("cx",this.$bar_progress.getEndX())}update_arrow_position(){this.arrows=this.arrows||[];for(let t of this.arrows)t.update()}}class C{constructor(t,e,s){this.gantt=t,this.from_task=e,this.to_task=s,this.calculate_path(),this.draw()}calculate_path(){let t=this.from_task.$bar.getX()+this.from_task.$bar.getWidth()/2;const e=()=>this.to_task.$bar.getX()<t+this.gantt.options.padding&&t>this.from_task.$bar.getX()+this.gantt.options.padding;for(;e();)t-=10;const s=this.gantt.options.header_height+this.gantt.options.bar_height+(this.gantt.options.padding+this.gantt.options.bar_height)*this.from_task.task._index+this.gantt.options.padding,i=this.to_task.$bar.getX()-this.gantt.options.padding/2-7,r=this.gantt.options.header_height+this.gantt.options.bar_height/2+(this.gantt.options.padding+this.gantt.options.bar_height)*this.to_task.task._index+this.gantt.options.padding,o=this.from_task.task._index>this.to_task.task._index,a=this.gantt.options.arrow_curve,d=o?1:0,p=o?-a:a,u=o?r+this.gantt.options.arrow_curve:r-this.gantt.options.arrow_curve;if(this.path=`
+            M ${t} ${s}
             V ${u}
             a ${a} ${a} 0 0 ${d} ${a} ${p}
-            L ${s} ${r}
+            L ${i} ${r}
             m -5 -5
             l 5 5
             l -5 5`,this.to_task.$bar.getX()<this.from_task.$bar.getX()+this.gantt.options.padding){const c=this.gantt.options.padding/2-a,f=this.to_task.$bar.getY()+this.to_task.$bar.getHeight()/2-p,w=this.to_task.$bar.getX()-this.gantt.options.padding;this.path=`
-                M ${t} ${i}
+                M ${t} ${s}
                 v ${c}
                 a ${a} ${a} 0 0 1 -${a} ${a}
                 H ${w}
                 a ${a} ${a} 0 0 ${d} -${a} ${p}
                 V ${f}
                 a ${a} ${a} 0 0 ${d} ${a} ${p}
-                L ${s} ${r}
+                L ${i} ${r}
                 m -5 -5
                 l 5 5
                 l -5 5`}}draw(){this.element=g("path",{d:this.path,"data-from":this.from_task.task.id,"data-to":this.to_task.task.id})}update(){this.calculate_path(),this.element.setAttribute("d",this.path)}}class N{constructor(t,e){this.parent=t,this.custom_html=e,this.make()}make(){this.parent.innerHTML=`
             <div class="title"></div>
             <div class="subtitle"></div>
             <div class="pointer"></div>
-        `,this.hide(),this.title=this.parent.querySelector(".title"),this.subtitle=this.parent.querySelector(".subtitle"),this.pointer=this.parent.querySelector(".pointer")}show(t){if(!t.target_element)throw new Error("target_element is required to show popup");const e=t.target_element;if(this.custom_html){let s=this.custom_html(t.task);s+='<div class="pointer"></div>',this.parent.innerHTML=s,this.pointer=this.parent.querySelector(".pointer")}else this.title.innerHTML=t.title,this.subtitle.innerHTML=t.subtitle;let i;e instanceof HTMLElement?i=e.getBoundingClientRect():e instanceof SVGElement&&(i=t.target_element.getBBox()),this.parent.style.left=t.x-this.parent.clientWidth/2+"px",this.parent.style.top=i.y+i.height+10+"px",this.pointer.style.left=this.parent.clientWidth/2+"px",this.pointer.style.top="-15px",this.parent.style.opacity=1}hide(){this.parent.style.opacity=0,this.parent.style.left=0}}const l={HOUR:"Hour",QUARTER_DAY:"Quarter Day",HALF_DAY:"Half Day",DAY:"Day",WEEK:"Week",MONTH:"Month",YEAR:"Year"},R={HOUR:["7d","7d"],QUARTER_DAY:["7d","7d"],HALF_DAY:["7d","7d"],DAY:["1m","1m"],WEEK:["1m","1m"],MONTH:["1m","1m"],YEAR:["2y","2y"]},I={header_height:65,column_width:30,view_modes:[...Object.values(l)],bar_height:30,bar_corner_radius:3,arrow_curve:5,padding:18,view_mode:"Day",date_format:"YYYY-MM-DD",show_expected_progress:!1,popup:null,language:"en",readonly:!1,progress_readonly:!1,dates_readonly:!1,highlight_weekend:!0,scroll_to:"start",lines:"both",auto_move_label:!0,today_button:!0,view_mode_select:!1};class T{constructor(t,e,i){this.setup_wrapper(t),this.setup_options(i),this.setup_tasks(e),this.change_view_mode(),this.bind_events()}setup_wrapper(t){let e,i;if(typeof t=="string"&&(t=document.querySelector(t)),t instanceof HTMLElement)i=t,e=t.querySelector("svg");else if(t instanceof SVGElement)e=t;else throw new TypeError("Frappe Gantt only supports usage of a string CSS selector, HTML DOM element or SVG DOM element for the 'element' parameter");e?(this.$svg=e,this.$svg.classList.add("gantt")):this.$svg=g("svg",{append_to:i,class:"gantt"}),this.$container=document.createElement("div"),this.$container.classList.add("gantt-container"),this.$svg.parentElement.appendChild(this.$container),this.$container.appendChild(this.$svg),this.$popup_wrapper=document.createElement("div"),this.$popup_wrapper.classList.add("popup-wrapper"),this.$container.appendChild(this.$popup_wrapper)}setup_options(t){this.options={...I,...t},t.view_mode_padding||(t.view_mode_padding={});for(let[e,i]of Object.entries(t.view_mode_padding))typeof i=="string"&&(t.view_mode_padding[e]=[i,i]);this.options.view_mode_padding={...R,...t.view_mode_padding}}setup_tasks(t){this.tasks=t.map((e,i)=>{if(e._start=h.parse(e.start),e.end===void 0&&e.duration!==void 0&&(e.end=e._start,e.duration.split(" ").forEach(a=>{let{duration:d,scale:p}=h.parse_duration(a);e.end=h.add(e.end,d,p)})),e._end=h.parse(e.end),h.diff(e._end,e._start,"year")<0)throw Error("start of task can't be after end of task: in task #, "+(i+1));if(h.diff(e._end,e._start,"year")>10&&(e.end=null),e._index=i,!e.start&&!e.end){const o=h.today();e._start=o,e._end=h.add(o,2,"day")}if(!e.start&&e.end&&(e._start=h.add(e._end,-2,"day")),e.start&&!e.end&&(e._end=h.add(e._start,2,"day")),h.get_date_values(e._end).slice(3).every(o=>o===0)&&(e._end=h.add(e._end,24,"hour")),(!e.start||!e.end)&&(e.invalid=!0),typeof e.dependencies=="string"||!e.dependencies){let o=[];e.dependencies&&(o=e.dependencies.split(",").map(a=>a.trim().replaceAll(" ","_")).filter(a=>a)),e.dependencies=o}return e.id?typeof e.id=="string"?e.id=e.id.replaceAll(" ","_"):e.id=`${e.id}`:e.id=B(e),e}),this.setup_dependencies()}setup_dependencies(){this.dependency_map={};for(let t of this.tasks)for(let e of t.dependencies)this.dependency_map[e]=this.dependency_map[e]||[],this.dependency_map[e].push(t.id)}refresh(t){this.setup_tasks(t),this.change_view_mode()}change_view_mode(t=this.options.view_mode){this.update_view_scale(t),this.setup_dates(),this.render(),this.trigger_event("view_change",[t])}update_view_scale(t){this.options.view_mode=t,t===l.HOUR?(this.options.step=24/24,this.options.column_width=38):t===l.DAY?(this.options.step=24,this.options.column_width=38):t===l.HALF_DAY?(this.options.step=24/2,this.options.column_width=38):t===l.QUARTER_DAY?(this.options.step=24/4,this.options.column_width=38):t===l.WEEK?(this.options.step=24*7,this.options.column_width=140):t===l.MONTH?(this.options.step=24*30,this.options.column_width=120):t===l.YEAR&&(this.options.step=24*365,this.options.column_width=120)}setup_dates(){this.setup_gantt_dates(),this.setup_date_values()}setup_gantt_dates(){this.gantt_start=this.gantt_end=null;for(let a of this.tasks)(!this.gantt_start||a._start<this.gantt_start)&&(this.gantt_start=a._start),(!this.gantt_end||a._end>this.gantt_end)&&(this.gantt_end=a._end);let t,e;this.gantt_start?t=h.start_of(this.gantt_start,"day"):t=new Date,this.gantt_end?e=h.start_of(this.gantt_end,"day"):e=new Date;let i;for(let[a,d]of Object.entries(l))d===this.options.view_mode&&(i=a);const[s,r]=this.options.view_mode_padding[i].map(h.parse_duration);t=h.add(t,-s.duration,s.scale);let o;this.view_is(l.YEAR)?o="YYYY":this.view_is(l.MONTH)?o="YYYY-MM":this.view_is(l.DAY)?o="YYYY-MM-DD":o="YYYY-MM-DD HH",this.gantt_start=h.parse(h.format(t,o)),this.gantt_start.setHours(0,0,0,0),this.gantt_end=h.add(e,r.duration,r.scale)}setup_date_values(){this.dates=[];let t=null;for(;t===null||t<this.gantt_end;)t?this.view_is(l.YEAR)?t=h.add(t,1,"year"):this.view_is(l.MONTH)?t=h.add(t,1,"month"):t=h.add(t,this.options.step,"hour"):t=h.clone(this.gantt_start),this.dates.push(t)}bind_events(){this.options.readonly||(this.bind_grid_click(),this.bind_bar_events())}render(){this.clear(),this.setup_layers(),this.make_grid(),this.make_dates(),this.make_bars(),this.make_grid_extras(),this.make_arrows(),this.map_arrows_on_bars(),this.set_width(),this.set_scroll_position(this.options.scroll_to),this.update_button_position()}setup_layers(){this.layers={};const t=["grid","arrow","progress","bar","details"];for(let e of t)this.layers[e]=g("g",{class:e,append_to:this.$svg})}make_grid(){this.make_grid_background(),this.make_grid_rows(),this.make_grid_header()}make_grid_extras(){this.make_grid_highlights(),this.make_grid_ticks()}make_grid_background(){const t=this.dates.length*this.options.column_width,e=this.options.header_height+this.options.padding+(this.options.bar_height+this.options.padding)*this.tasks.length;g("rect",{x:0,y:0,width:t,height:e,class:"grid-background",append_to:this.$svg}),_.attr(this.$svg,{height:e+this.options.padding+100,width:"100%"})}make_grid_rows(){const t=g("g",{append_to:this.layers.grid}),e=this.dates.length*this.options.column_width,i=this.options.bar_height+this.options.padding;let s=this.options.header_height+this.options.padding/2;for(let r of this.tasks)g("rect",{x:0,y:s,width:e,height:i,class:"grid-row",append_to:t}),this.options.lines==="both"||this.options.lines,s+=this.options.bar_height+this.options.padding}make_grid_header(){let t=document.createElement("div");t.style.height=this.options.header_height+10+"px",t.style.width=this.dates.length*this.options.column_width+"px",t.classList.add("grid-header"),this.$header=t,this.$container.appendChild(t);let e=document.createElement("div");e.classList.add("upper-header"),this.$upper_header=e,this.$header.appendChild(e);let i=document.createElement("div");i.classList.add("lower-header"),this.$lower_header=i,this.$header.appendChild(i),this.make_side_header()}make_side_header(){let t=document.createElement("div");if(t.classList.add("side-header"),this.options.view_mode_select){const e=document.createElement("select");e.classList.add("viewmode-select");const i=document.createElement("option");i.selected=!0,i.disabled=!0,i.textContent="Mode",e.appendChild(i);for(const s in l){const r=document.createElement("option");r.value=l[s],r.textContent=l[s],e.appendChild(r)}e.addEventListener("change",(function(){this.change_view_mode(e.value)}).bind(this)),t.appendChild(e)}if(this.options.today_button){let e=document.createElement("button");e.classList.add("today-button"),e.textContent="Today",e.onclick=this.scroll_today.bind(this),t.appendChild(e),this.$today_button=e}this.$header.appendChild(t),this.$side_header=t,window.addEventListener("scroll",this.update_button_position.bind(this)),window.addEventListener("resize",this.update_button_position.bind(this))}update_button_position(){const t=this.$container.getBoundingClientRect(),e=this.$side_header.getBoundingClientRect(),{left:i,y:s}=this.$header.getBoundingClientRect();console.log("heyy"),e.top<t.top||e.bottom>t.bottom?(this.$side_header.style.position="absolute",this.$side_header.style.top=`${t.scrollTop+e.top}px`):(this.$side_header.style.position="fixed",this.$side_header.style.top=s+10+"px");const r=Math.min(this.$header.clientWidth,this.$container.clientWidth);this.$side_header.style.left=i+this.$container.scrollLeft+r-this.$side_header.clientWidth+"px",this.$today_button.style.left=`${t.left+20}px`}make_grid_ticks(){if(!["both","vertical","horizontal"].includes(this.options.lines))return;let t=0,e=this.options.header_height+this.options.padding/2,i=(this.options.bar_height+this.options.padding)*this.tasks.length,s=g("g",{class:"lines_layer",append_to:this.layers.grid}),r=this.options.header_height+this.options.padding/2;const o=this.dates.length*this.options.column_width,a=this.options.bar_height+this.options.padding;if(this.options.lines!=="vertical")for(let d of this.tasks)g("line",{x1:0,y1:r+a,x2:o,y2:r+a,class:"row-line",append_to:s}),r+=a;if(this.options.lines!=="horizontal")for(let d of this.dates){let p="tick";this.view_is(l.DAY)&&d.getDate()===1&&(p+=" thick"),this.view_is(l.WEEK)&&d.getDate()>=1&&d.getDate()<8&&(p+=" thick"),this.view_is(l.MONTH)&&d.getMonth()%3===0&&(p+=" thick"),g("path",{d:`M ${t} ${e} v ${i}`,class:p,append_to:this.layers.grid}),this.view_is(l.MONTH)?t+=h.get_days_in_month(d)*this.options.column_width/30:t+=this.options.column_width}}highlightWeekends(){if(!(!this.view_is("Day")&&!this.view_is("Half Day"))){for(let t=new Date(this.gantt_start);t<=this.gantt_end;t.setDate(t.getDate()+1))if(t.getDay()===0||t.getDay()===6){const e=h.diff(t,this.gantt_start,"hour")/this.options.step*this.options.column_width,i=(this.options.bar_height+this.options.padding)*this.tasks.length;g("rect",{x:e,y:this.options.header_height+this.options.padding/2,width:(this.view_is("Day")?1:2)*this.options.column_width,height:i,class:"holiday-highlight",append_to:this.layers.grid})}}}computeGridHighlightDimensions(t){let e=this.options.column_width/2;if(this.view_is(l.DAY)){let i=h.today();return{x:e+h.diff(i,this.gantt_start,"hour")/this.options.step*this.options.column_width,date:i}}for(let i of this.dates){const s=new Date,r=new Date(i),o=new Date(i);switch(t){case l.WEEK:o.setDate(i.getDate()+7);break;case l.MONTH:o.setMonth(i.getMonth()+1);break;case l.YEAR:o.setFullYear(i.getFullYear()+1);break}if(s>=r&&s<=o)return{x:e,date:r};e+=this.options.column_width}}make_grid_highlights(){if(this.options.highlight_weekend&&this.highlightWeekends(),this.view_is(l.DAY)||this.view_is(l.WEEK)||this.view_is(l.MONTH)||this.view_is(l.YEAR)){const{x:t,date:e}=this.computeGridHighlightDimensions(this.options.view_mode);if(!this.dates.find(o=>o.getTime()==e.getTime()))return;const i=this.options.header_height+this.options.padding/2,s=(this.options.bar_height+this.options.padding)*this.tasks.length;this.$current_highlight=this.create_el({top:i,left:t,height:s,classes:"current-highlight",append_to:this.$container});let r=document.getElementById(h.format(e).replaceAll(" ","_"));r&&(r.classList.add("current-date-highlight"),r.style.top=+r.style.top.slice(0,-2)-4+"px",r.style.left=+r.style.left.slice(0,-2)-8+"px")}}create_el({left:t,top:e,width:i,height:s,id:r,classes:o,append_to:a}){let d=document.createElement("div");return d.classList.add(o),d.style.top=e+"px",d.style.left=t+"px",r&&(d.id=r),i&&(d.style.width=s+"px"),s&&(d.style.height=s+"px"),a.appendChild(d),d}make_dates(){this.upper_texts_x={},this.get_dates_to_draw().forEach((t,e)=>{let i=this.create_el({left:t.lower_x,top:t.lower_y,id:t.formatted_date,classes:"lower-text",append_to:this.$lower_header});if(i.innerText=t.lower_text,i.style.left=+i.style.left.slice(0,-2)-i.clientWidth/2+"px",t.upper_text){this.upper_texts_x[t.upper_text]=t.upper_x;let s=document.createElement("div");s.classList.add("upper-text"),s.style.left=t.upper_x+"px",s.style.top=t.upper_y+"px",s.innerText=t.upper_text,this.$upper_header.appendChild(s),t.upper_x>this.layers.grid.getBBox().width&&s.remove()}})}get_dates_to_draw(){let t=null;return this.dates.map((i,s)=>{const r=this.get_date_info(i,t,s);return t=r,r})}get_date_info(t,e){let i=e?e.date:h.add(t,1,"day");const s={Hour_lower:h.format(t,"HH",this.options.language),"Quarter Day_lower":h.format(t,"HH",this.options.language),"Half Day_lower":h.format(t,"HH",this.options.language),Day_lower:t.getDate()!==i.getDate()?h.format(t,"D",this.options.language):"",Week_lower:t.getMonth()!==i.getMonth()?h.format(t,"D MMM",this.options.language):h.format(t,"D",this.options.language),Month_lower:h.format(t,"MMMM",this.options.language),Year_lower:h.format(t,"YYYY",this.options.language),Hour_upper:t.getDate()!==i.getDate()?h.format(t,"D MMMM",this.options.language):"","Quarter Day_upper":t.getDate()!==i.getDate()?h.format(t,"D MMM",this.options.language):"","Half Day_upper":t.getDate()!==i.getDate()?t.getMonth()!==i.getMonth()?h.format(t,"D MMM",this.options.language):h.format(t,"D",this.options.language):"",Day_upper:t.getMonth()!==i.getMonth()||!e?h.format(t,"MMMM",this.options.language):"",Week_upper:t.getMonth()!==i.getMonth()?h.format(t,"MMMM",this.options.language):"",Month_upper:t.getFullYear()!==i.getFullYear()?h.format(t,"YYYY",this.options.language):"",Year_upper:t.getFullYear()!==i.getFullYear()?h.format(t,"YYYY",this.options.language):""};let r=this.view_is(l.MONTH)?h.get_days_in_month(t)*this.options.column_width/30:this.options.column_width;const o={x:e?e.base_pos_x+e.column_width:0,lower_y:this.options.header_height-20,upper_y:this.options.header_height-50},a={Hour_lower:r/2,Hour_upper:r*12,"Quarter Day_lower":r/2,"Quarter Day_upper":r*2,"Half Day_lower":r/2,"Half Day_upper":r,Day_lower:r/2,Day_upper:r/2,Week_lower:r/2,Week_upper:r*4/2,Month_lower:r/2,Month_upper:r/2,Year_lower:r/2,Year_upper:r*30/2};return{date:t,formatted_date:h.format(t).replaceAll(" ","_"),column_width:r,base_pos_x:o.x,upper_text:this.options.lower_text?this.options.upper_text(t,this.options.view_mode,s[`${this.options.view_mode}_upper`]):s[`${this.options.view_mode}_upper`],lower_text:this.options.lower_text?this.options.lower_text(t,this.options.view_mode,s[`${this.options.view_mode}_lower`]):s[`${this.options.view_mode}_lower`],upper_x:o.x+a[`${this.options.view_mode}_upper`],upper_y:o.upper_y,lower_x:o.x+a[`${this.options.view_mode}_lower`],lower_y:o.lower_y}}make_bars(){this.bars=this.tasks.map(t=>{const e=new O(this,t);return this.layers.bar.appendChild(e.group),e})}make_arrows(){this.arrows=[];for(let t of this.tasks){let e=[];e=t.dependencies.map(i=>{const s=this.get_task(i);if(!s)return;const r=new C(this,this.bars[s._index],this.bars[t._index]);return this.layers.arrow.appendChild(r.element),r}).filter(Boolean),this.arrows=this.arrows.concat(e)}}map_arrows_on_bars(){for(let t of this.bars)t.arrows=this.arrows.filter(e=>e.from_task.task.id===t.task.id||e.to_task.task.id===t.task.id)}set_width(){const t=this.$svg.getBoundingClientRect().width,e=this.$svg.querySelector(".grid .grid-row")?this.$svg.querySelector(".grid .grid-row").getAttribute("width"):0;t<e&&this.$svg.setAttribute("width",e)}set_scroll_position(t){if(!t||t==="start")t=this.gantt_start;else{if(t==="today")return this.scroll_today();typeof t=="string"&&(t=h.parse(t))}const e=this.$svg.parentElement;if(!e)return;const s=(h.diff(t,this.gantt_start,"hour")+24)/this.options.step*this.options.column_width-this.options.column_width;e.scrollTo({left:s,behavior:"smooth"})}scroll_today(){this.set_scroll_position(new Date)}bind_grid_click(){_.on(this.$svg,"click",".grid-row, .grid-header",()=>{this.unselect_all(),this.hide_popup()})}bind_bar_events(){let t=!1,e=0,i=0,s=!1,r=!1,o=null,a=[];this.bar_being_dragged=null;function d(){return t||s||r}this.$svg.onclick=p=>{p.target.classList.contains("grid-row")&&this.unselect_all()},_.on(this.$svg,"mousedown",".bar-wrapper, .handle",(p,u)=>{const c=_.closest(".bar-wrapper",u);a.forEach(w=>w.group.classList.remove("active")),u.classList.contains("left")?s=!0:u.classList.contains("right")?r=!0:u.classList.contains("bar-wrapper")&&(t=!0),c.classList.add("active"),this.popup&&this.popup.parent.classList.add("hidden"),this.popup&&this.popup.parent.classList.add("hidden"),e=p.offsetX||p.layerX,p.offsetY||p.layerY,o=c.getAttribute("data-id"),a=[o,...this.get_all_dependent_tasks(o)].map(w=>this.get_bar(w)),this.bar_being_dragged=o,a.forEach(w=>{const b=w.$bar;b.ox=b.getX(),b.oy=b.getY(),b.owidth=b.getWidth(),b.finaldx=0})}),_.on(this.$container,"scroll",p=>{let u=document.querySelectorAll(".bar-wrapper"),c=[];const f=[];let w;i&&(w=p.currentTarget.scrollLeft-i);const b=p.currentTarget.scrollLeft/this.options.column_width*this.options.step/24;let $="D MMM";["Year","Month"].includes(this.options.view_mode)?$="YYYY":["Day","Week"].includes(this.options.view_mode)?$="MMMM":this.view_is("Half Day")?$="D":this.view_is("Hour")&&($="D MMMM");let z=h.format(h.add(this.gantt_start,b,"day"),$);const v=Array.from(document.querySelectorAll(".upper-text")).find(m=>m.textContent===z);if(v&&!v.classList.contains("current-upper")){const m=document.querySelector(".current-upper");m&&(m.classList.remove("current-upper"),m.style.left=this.upper_texts_x[m.textContent]+"px",m.style.top=this.options.header_height-50+"px"),v.classList.add("current-upper");let H=this.$svg.getBoundingClientRect();v.style.left=H.x+this.$container.scrollLeft+10+"px",v.style.top=H.y+this.options.header_height-50+"px"}Array.prototype.forEach.call(u,function(m,H){f.push(m.getAttribute("data-id"))}),w&&(c=f.map(m=>this.get_bar(m)),this.options.auto_move_label&&c.forEach(m=>{m.update_label_position_on_horizontal_scroll({x:w,sx:p.currentTarget.scrollLeft})})),i=p.currentTarget.scrollLeft}),_.on(this.$svg,"mousemove",p=>{if(!d())return;const u=(p.offsetX||p.layerX)-e;a.forEach(c=>{const f=c.$bar;f.finaldx=this.get_snap_position(u),this.hide_popup(),s?o===c.task.id?c.update_bar_position({x:f.ox+f.finaldx,width:f.owidth-f.finaldx}):c.update_bar_position({x:f.ox+f.finaldx}):r?o===c.task.id&&c.update_bar_position({width:f.owidth+f.finaldx}):t&&!this.options.readonly&&!this.options.dates_readonly&&c.update_bar_position({x:f.ox+f.finaldx})})}),document.addEventListener("mouseup",p=>{t=!1,s=!1,r=!1}),_.on(this.$svg,"mouseup",p=>{this.bar_being_dragged=null,a.forEach(u=>{u.$bar.finaldx&&(u.date_changed(),u.set_action_completed())})}),this.bind_bar_progress()}bind_bar_progress(){let t=0,e=null,i=null,s=null,r=null;_.on(this.$svg,"mousedown",".handle.progress",(o,a)=>{e=!0,t=o.offsetX||o.layerX,o.offsetY||o.layerY;const p=_.closest(".bar-wrapper",a).getAttribute("data-id");i=this.get_bar(p),s=i.$bar_progress,r=i.$bar,s.finaldx=0,s.owidth=s.getWidth(),s.min_dx=-s.getWidth(),s.max_dx=r.getWidth()-s.getWidth()}),_.on(this.$svg,"mousemove",o=>{if(!e)return;let a=(o.offsetX||o.layerX)-t;a>s.max_dx&&(a=s.max_dx),a<s.min_dx&&(a=s.min_dx);const d=i.$handle_progress;_.attr(s,"width",s.owidth+a),_.attr(d,"cx",s.getEndX()),s.finaldx=a}),_.on(this.$svg,"mouseup",()=>{e=!1,s&&s.finaldx&&(s.finaldx=0,i.progress_changed(),i.set_action_completed(),i=null,s=null,r=null)})}get_all_dependent_tasks(t){let e=[],i=[t];for(;i.length;){const s=i.reduce((r,o)=>(r=r.concat(this.dependency_map[o]),r),[]);e=e.concat(s),i=s.filter(r=>!i.includes(r))}return e.filter(Boolean)}get_snap_position(t){let e=t,i,s;return this.view_is(l.WEEK)?(i=t%(this.options.column_width/7),s=e-i+(i<this.options.column_width/14?0:this.options.column_width/7)):this.view_is(l.MONTH)?(i=t%(this.options.column_width/30),s=e-i+(i<this.options.column_width/60?0:this.options.column_width/30)):(i=t%this.options.column_width,s=e-i+(i<this.options.column_width/2?0:this.options.column_width)),s}unselect_all(){[...this.$svg.querySelectorAll(".bar-wrapper")].forEach(t=>{t.classList.remove("active")}),this.popup&&this.popup.parent.classList.remove("hidden")}view_is(t){return typeof t=="string"?this.options.view_mode===t:Array.isArray(t)?t.some(e=>this.options.view_mode===e):!1}get_task(t){return this.tasks.find(e=>e.id===t)}get_bar(t){return this.bars.find(e=>e.task.id===t)}show_popup(t){this.options.popup!==!1&&(this.popup||(this.popup=new N(this.$popup_wrapper,this.options.popup)),this.popup.show(t))}hide_popup(){this.popup&&this.popup.hide()}trigger_event(t,e){this.options["on_"+t]&&this.options["on_"+t].apply(null,e)}get_oldest_starting_date(){return this.tasks.length?this.tasks.map(t=>t._start).reduce((t,e)=>e<=t?e:t):new Date}clear(){var t,e,i,s,r,o;this.$svg.innerHTML="",(e=(t=this.$header)==null?void 0:t.remove)==null||e.call(t),(s=(i=this.$current_highlight)==null?void 0:i.remove)==null||s.call(i),(o=(r=this.popup)==null?void 0:r.hide)==null||o.call(r)}}T.VIEW_MODE=l;function B(n){return n.name+"_"+Math.random().toString(36).slice(2,12)}return T});
+        `,this.hide(),this.title=this.parent.querySelector(".title"),this.subtitle=this.parent.querySelector(".subtitle"),this.pointer=this.parent.querySelector(".pointer")}show(t){if(!t.target_element)throw new Error("target_element is required to show popup");const e=t.target_element;if(this.custom_html){let i=this.custom_html(t.task);i+='<div class="pointer"></div>',this.parent.innerHTML=i,this.pointer=this.parent.querySelector(".pointer")}else this.title.innerHTML=t.title,this.subtitle.innerHTML=t.subtitle;let s;e instanceof HTMLElement?s=e.getBoundingClientRect():e instanceof SVGElement&&(s=t.target_element.getBBox()),this.parent.style.left=t.x-this.parent.clientWidth/2+"px",this.parent.style.top=s.y+s.height+10+"px",this.pointer.style.left=this.parent.clientWidth/2+"px",this.pointer.style.top="-15px",this.parent.style.opacity=1}hide(){this.parent.style.opacity=0,this.parent.style.left=0}}const l={HOUR:"Hour",QUARTER_DAY:"Quarter Day",HALF_DAY:"Half Day",DAY:"Day",WEEK:"Week",MONTH:"Month",YEAR:"Year"},R={HOUR:["7d","7d"],QUARTER_DAY:["7d","7d"],HALF_DAY:["7d","7d"],DAY:["1m","1m"],WEEK:["1m","1m"],MONTH:["1m","1m"],YEAR:["2y","2y"]},I={header_height:65,column_width:30,view_modes:[...Object.values(l)],bar_height:30,bar_corner_radius:3,arrow_curve:5,padding:18,view_mode:"Day",date_format:"YYYY-MM-DD",show_expected_progress:!1,popup:null,language:"en",readonly:!1,progress_readonly:!1,dates_readonly:!1,highlight_weekend:!0,scroll_to:"start",lines:"both",auto_move_label:!0,today_button:!0,view_mode_select:!1};class T{constructor(t,e,s){this.setup_wrapper(t),this.setup_options(s),this.setup_tasks(e),this.change_view_mode(),this.bind_events()}setup_wrapper(t){let e,s;if(typeof t=="string"&&(t=document.querySelector(t)),t instanceof HTMLElement)s=t,e=t.querySelector("svg");else if(t instanceof SVGElement)e=t;else throw new TypeError("Frappe Gantt only supports usage of a string CSS selector, HTML DOM element or SVG DOM element for the 'element' parameter");e?(this.$svg=e,this.$svg.classList.add("gantt")):this.$svg=g("svg",{append_to:s,class:"gantt"}),this.$container=document.createElement("div"),this.$container.classList.add("gantt-container"),this.$svg.parentElement.appendChild(this.$container),this.$container.appendChild(this.$svg),this.$popup_wrapper=document.createElement("div"),this.$popup_wrapper.classList.add("popup-wrapper"),this.$container.appendChild(this.$popup_wrapper)}setup_options(t){this.options={...I,...t},t.view_mode_padding||(t.view_mode_padding={});for(let[e,s]of Object.entries(t.view_mode_padding))typeof s=="string"&&(t.view_mode_padding[e]=[s,s]);this.options.view_mode_padding={...R,...t.view_mode_padding}}setup_tasks(t){this.tasks=t.map((e,s)=>{if(e._start=h.parse(e.start),e.end===void 0&&e.duration!==void 0&&(e.end=e._start,e.duration.split(" ").forEach(a=>{let{duration:d,scale:p}=h.parse_duration(a);e.end=h.add(e.end,d,p)})),e._end=h.parse(e.end),h.diff(e._end,e._start,"year")<0)throw Error("start of task can't be after end of task: in task #, "+(s+1));if(h.diff(e._end,e._start,"year")>10&&(e.end=null),e._index=s,!e.start&&!e.end){const o=h.today();e._start=o,e._end=h.add(o,2,"day")}if(!e.start&&e.end&&(e._start=h.add(e._end,-2,"day")),e.start&&!e.end&&(e._end=h.add(e._start,2,"day")),h.get_date_values(e._end).slice(3).every(o=>o===0)&&(e._end=h.add(e._end,24,"hour")),(!e.start||!e.end)&&(e.invalid=!0),typeof e.dependencies=="string"||!e.dependencies){let o=[];e.dependencies&&(o=e.dependencies.split(",").map(a=>a.trim().replaceAll(" ","_")).filter(a=>a)),e.dependencies=o}return e.id?typeof e.id=="string"?e.id=e.id.replaceAll(" ","_"):e.id=`${e.id}`:e.id=B(e),e}),this.setup_dependencies()}setup_dependencies(){this.dependency_map={};for(let t of this.tasks)for(let e of t.dependencies)this.dependency_map[e]=this.dependency_map[e]||[],this.dependency_map[e].push(t.id)}refresh(t){this.setup_tasks(t),this.change_view_mode()}change_view_mode(t=this.options.view_mode){this.update_view_scale(t),this.setup_dates(),this.render(),this.trigger_event("view_change",[t])}update_view_scale(t){this.options.view_mode=t,t===l.HOUR?(this.options.step=24/24,this.options.column_width=38):t===l.DAY?(this.options.step=24,this.options.column_width=38):t===l.HALF_DAY?(this.options.step=24/2,this.options.column_width=38):t===l.QUARTER_DAY?(this.options.step=24/4,this.options.column_width=38):t===l.WEEK?(this.options.step=24*7,this.options.column_width=140):t===l.MONTH?(this.options.step=24*30,this.options.column_width=120):t===l.YEAR&&(this.options.step=24*365,this.options.column_width=120)}setup_dates(){this.setup_gantt_dates(),this.setup_date_values()}setup_gantt_dates(){this.gantt_start=this.gantt_end=null;for(let a of this.tasks)(!this.gantt_start||a._start<this.gantt_start)&&(this.gantt_start=a._start),(!this.gantt_end||a._end>this.gantt_end)&&(this.gantt_end=a._end);let t,e;this.gantt_start?t=h.start_of(this.gantt_start,"day"):t=new Date,this.gantt_end?e=h.start_of(this.gantt_end,"day"):e=new Date;let s;for(let[a,d]of Object.entries(l))d===this.options.view_mode&&(s=a);const[i,r]=this.options.view_mode_padding[s].map(h.parse_duration);t=h.add(t,-i.duration,i.scale);let o;this.view_is(l.YEAR)?o="YYYY":this.view_is(l.MONTH)?o="YYYY-MM":this.view_is(l.DAY)?o="YYYY-MM-DD":o="YYYY-MM-DD HH",this.gantt_start=h.parse(h.format(t,o)),this.gantt_start.setHours(0,0,0,0),this.gantt_end=h.add(e,r.duration,r.scale)}setup_date_values(){this.dates=[];let t=null;for(;t===null||t<this.gantt_end;)t?this.view_is(l.YEAR)?t=h.add(t,1,"year"):this.view_is(l.MONTH)?t=h.add(t,1,"month"):t=h.add(t,this.options.step,"hour"):t=h.clone(this.gantt_start),this.dates.push(t)}bind_events(){this.options.readonly||(this.bind_grid_click(),this.bind_bar_events())}render(){this.clear(),this.setup_layers(),this.make_grid(),this.make_dates(),this.make_bars(),this.make_grid_extras(),this.make_arrows(),this.map_arrows_on_bars(),this.set_width(),this.set_scroll_position(this.options.scroll_to),this.update_button_position()}setup_layers(){this.layers={};const t=["grid","arrow","progress","bar","details"];for(let e of t)this.layers[e]=g("g",{class:e,append_to:this.$svg})}make_grid(){this.make_grid_background(),this.make_grid_rows(),this.make_grid_header()}make_grid_extras(){this.make_grid_highlights(),this.make_grid_ticks()}make_grid_background(){const t=this.dates.length*this.options.column_width,e=this.options.header_height+this.options.padding+(this.options.bar_height+this.options.padding)*this.tasks.length;g("rect",{x:0,y:0,width:t,height:e,class:"grid-background",append_to:this.$svg}),_.attr(this.$svg,{height:e+this.options.padding+100,width:"100%"})}make_grid_rows(){const t=g("g",{append_to:this.layers.grid}),e=this.dates.length*this.options.column_width,s=this.options.bar_height+this.options.padding;let i=this.options.header_height+this.options.padding/2;for(let r of this.tasks)g("rect",{x:0,y:i,width:e,height:s,class:"grid-row",append_to:t}),this.options.lines==="both"||this.options.lines,i+=this.options.bar_height+this.options.padding}make_grid_header(){let t=document.createElement("div");t.style.height=this.options.header_height+10+"px",t.style.width=this.dates.length*this.options.column_width+"px",t.classList.add("grid-header"),this.$header=t,this.$container.appendChild(t);let e=document.createElement("div");e.classList.add("upper-header"),this.$upper_header=e,this.$header.appendChild(e);let s=document.createElement("div");s.classList.add("lower-header"),this.$lower_header=s,this.$header.appendChild(s),this.make_side_header()}make_side_header(){let t=document.createElement("div");if(t.classList.add("side-header"),this.options.view_mode_select){const e=document.createElement("select");e.classList.add("viewmode-select");const s=document.createElement("option");s.selected=!0,s.disabled=!0,s.textContent="Mode",e.appendChild(s);for(const i in l){const r=document.createElement("option");r.value=l[i],r.textContent=l[i],e.appendChild(r)}e.addEventListener("change",(function(){this.change_view_mode(e.value)}).bind(this)),t.appendChild(e)}if(this.options.today_button){let e=document.createElement("button");e.classList.add("today-button"),e.textContent="Today",e.onclick=this.scroll_today.bind(this),t.appendChild(e),this.$today_button=e}this.$header.appendChild(t),this.$side_header=t,window.addEventListener("scroll",this.update_button_position.bind(this)),window.addEventListener("resize",this.update_button_position.bind(this))}update_button_position(){const t=this.$container.getBoundingClientRect(),e=this.$side_header.getBoundingClientRect(),{left:s,y:i}=this.$header.getBoundingClientRect();console.log("heyy"),e.top<t.top||e.bottom>t.bottom?(this.$side_header.style.position="absolute",this.$side_header.style.top=`${t.scrollTop+e.top}px`):(this.$side_header.style.position="fixed",this.$side_header.style.top=i+10+"px");const r=Math.min(this.$header.clientWidth,this.$container.clientWidth);this.$side_header.style.left=s+this.$container.scrollLeft+r-this.$side_header.clientWidth+"px",this.$today_button.style.left=`${t.left+20}px`}make_grid_ticks(){if(!["both","vertical","horizontal"].includes(this.options.lines))return;let t=0,e=this.options.header_height+this.options.padding/2,s=(this.options.bar_height+this.options.padding)*this.tasks.length,i=g("g",{class:"lines_layer",append_to:this.layers.grid}),r=this.options.header_height+this.options.padding/2;const o=this.dates.length*this.options.column_width,a=this.options.bar_height+this.options.padding;if(this.options.lines!=="vertical")for(let d of this.tasks)g("line",{x1:0,y1:r+a,x2:o,y2:r+a,class:"row-line",append_to:i}),r+=a;if(this.options.lines!=="horizontal")for(let d of this.dates){let p="tick";this.view_is(l.DAY)&&d.getDate()===1&&(p+=" thick"),this.view_is(l.WEEK)&&d.getDate()>=1&&d.getDate()<8&&(p+=" thick"),this.view_is(l.MONTH)&&d.getMonth()%3===0&&(p+=" thick"),g("path",{d:`M ${t} ${e} v ${s}`,class:p,append_to:this.layers.grid}),this.view_is(l.MONTH)?t+=h.get_days_in_month(d)*this.options.column_width/30:t+=this.options.column_width}}highlightWeekends(){if(!(!this.view_is("Day")&&!this.view_is("Half Day"))){for(let t=new Date(this.gantt_start);t<=this.gantt_end;t.setDate(t.getDate()+1))if(t.getDay()===0||t.getDay()===6){const e=h.diff(t,this.gantt_start,"hour")/this.options.step*this.options.column_width,s=(this.options.bar_height+this.options.padding)*this.tasks.length;g("rect",{x:e,y:this.options.header_height+this.options.padding/2,width:(this.view_is("Day")?1:2)*this.options.column_width,height:s,class:"holiday-highlight",append_to:this.layers.grid})}}}computeGridHighlightDimensions(t){let e=this.options.column_width/2;if(this.view_is(l.DAY)){let s=h.today();return{x:e+h.diff(s,this.gantt_start,"hour")/this.options.step*this.options.column_width,date:s}}for(let s of this.dates){const i=new Date,r=new Date(s),o=new Date(s);switch(t){case l.WEEK:o.setDate(s.getDate()+7);break;case l.MONTH:o.setMonth(s.getMonth()+1);break;case l.YEAR:o.setFullYear(s.getFullYear()+1);break}if(i>=r&&i<=o)return{x:e,date:r};e+=this.options.column_width}}make_grid_highlights(){if(this.options.highlight_weekend&&this.highlightWeekends(),this.view_is(l.DAY)||this.view_is(l.WEEK)||this.view_is(l.MONTH)||this.view_is(l.YEAR)){const{x:t,date:e}=this.computeGridHighlightDimensions(this.options.view_mode);if(!this.dates.find(o=>o.getTime()==e.getTime()))return;const s=this.options.header_height+this.options.padding/2,i=(this.options.bar_height+this.options.padding)*this.tasks.length;this.$current_highlight=this.create_el({top:s,left:t,height:i,classes:"current-highlight",append_to:this.$container});let r=document.getElementById(h.format(e).replaceAll(" ","_"));r&&(r.classList.add("current-date-highlight"),r.style.top=+r.style.top.slice(0,-2)-4+"px",r.style.left=+r.style.left.slice(0,-2)-8+"px")}}create_el({left:t,top:e,width:s,height:i,id:r,classes:o,append_to:a}){let d=document.createElement("div");return d.classList.add(o),d.style.top=e+"px",d.style.left=t+"px",r&&(d.id=r),s&&(d.style.width=i+"px"),i&&(d.style.height=i+"px"),a.appendChild(d),d}make_dates(){this.upper_texts_x={},this.get_dates_to_draw().forEach((t,e)=>{let s=this.create_el({left:t.lower_x,top:t.lower_y,id:t.formatted_date,classes:"lower-text",append_to:this.$lower_header});if(s.innerText=t.lower_text,s.style.left=+s.style.left.slice(0,-2)+"px",t.upper_text){this.upper_texts_x[t.upper_text]=t.upper_x;let i=document.createElement("div");i.classList.add("upper-text"),i.style.left=t.upper_x+"px",i.style.top=t.upper_y+"px",i.innerText=t.upper_text,this.$upper_header.appendChild(i),t.upper_x>this.layers.grid.getBBox().width&&i.remove()}})}get_dates_to_draw(){let t=null;return this.dates.map((s,i)=>{const r=this.get_date_info(s,t,i);return t=r,r})}get_date_info(t,e){let s=e?e.date:h.add(t,1,"day");const i={Hour_lower:h.format(t,"HH",this.options.language),"Quarter Day_lower":h.format(t,"HH",this.options.language),"Half Day_lower":h.format(t,"HH",this.options.language),Day_lower:t.getDate()!==s.getDate()?h.format(t,"D",this.options.language):"",Week_lower:t.getMonth()!==s.getMonth()?h.format(t,"D MMM",this.options.language):h.format(t,"D",this.options.language),Month_lower:h.format(t,"MMMM",this.options.language),Year_lower:h.format(t,"YYYY",this.options.language),Hour_upper:t.getDate()!==s.getDate()?h.format(t,"D MMMM",this.options.language):"","Quarter Day_upper":t.getDate()!==s.getDate()?h.format(t,"D MMM",this.options.language):"","Half Day_upper":t.getDate()!==s.getDate()?t.getMonth()!==s.getMonth()?h.format(t,"D MMM",this.options.language):h.format(t,"D",this.options.language):"",Day_upper:t.getMonth()!==s.getMonth()||!e?h.format(t,"MMMM",this.options.language):"",Week_upper:t.getMonth()!==s.getMonth()?h.format(t,"MMMM",this.options.language):"",Month_upper:t.getFullYear()!==s.getFullYear()?h.format(t,"YYYY",this.options.language):"",Year_upper:t.getFullYear()!==s.getFullYear()?h.format(t,"YYYY",this.options.language):""};let r=this.view_is(l.MONTH)?h.get_days_in_month(t)*this.options.column_width/30:this.options.column_width;const o={x:e?e.base_pos_x+e.column_width:0,lower_y:this.options.header_height-20,upper_y:this.options.header_height-50},a={Hour_lower:r/2,Hour_upper:r*12,"Quarter Day_lower":r/2,"Quarter Day_upper":r*2,"Half Day_lower":r/2,"Half Day_upper":r,Day_lower:r/2,Day_upper:r/2,Week_lower:r/2,Week_upper:r*4/2,Month_lower:r/2,Month_upper:r/2,Year_lower:r/2,Year_upper:r*30/2};return{date:t,formatted_date:h.format(t).replaceAll(" ","_"),column_width:r,base_pos_x:o.x,upper_text:this.options.lower_text?this.options.upper_text(t,this.options.view_mode,i[`${this.options.view_mode}_upper`]):i[`${this.options.view_mode}_upper`],lower_text:this.options.lower_text?this.options.lower_text(t,this.options.view_mode,i[`${this.options.view_mode}_lower`]):i[`${this.options.view_mode}_lower`],upper_x:o.x+a[`${this.options.view_mode}_upper`],upper_y:o.upper_y,lower_x:o.x+a[`${this.options.view_mode}_lower`],lower_y:o.lower_y}}make_bars(){this.bars=this.tasks.map(t=>{const e=new O(this,t);return this.layers.bar.appendChild(e.group),e})}make_arrows(){this.arrows=[];for(let t of this.tasks){let e=[];e=t.dependencies.map(s=>{const i=this.get_task(s);if(!i)return;const r=new C(this,this.bars[i._index],this.bars[t._index]);return this.layers.arrow.appendChild(r.element),r}).filter(Boolean),this.arrows=this.arrows.concat(e)}}map_arrows_on_bars(){for(let t of this.bars)t.arrows=this.arrows.filter(e=>e.from_task.task.id===t.task.id||e.to_task.task.id===t.task.id)}set_width(){const t=this.$svg.getBoundingClientRect().width,e=this.$svg.querySelector(".grid .grid-row")?this.$svg.querySelector(".grid .grid-row").getAttribute("width"):0;t<e&&this.$svg.setAttribute("width",e)}set_scroll_position(t){if(!t||t==="start")t=this.gantt_start;else{if(t==="today")return this.scroll_today();typeof t=="string"&&(t=h.parse(t))}const e=this.$svg.parentElement;if(!e)return;const i=(h.diff(t,this.gantt_start,"hour")+24)/this.options.step*this.options.column_width-this.options.column_width;e.scrollTo({left:i,behavior:"smooth"})}scroll_today(){this.set_scroll_position(new Date)}bind_grid_click(){_.on(this.$svg,"click",".grid-row, .grid-header",()=>{this.unselect_all(),this.hide_popup()})}bind_bar_events(){let t=!1,e=0,s=0,i=!1,r=!1,o=null,a=[];this.bar_being_dragged=null;function d(){return t||i||r}this.$svg.onclick=p=>{p.target.classList.contains("grid-row")&&this.unselect_all()},_.on(this.$svg,"mousedown",".bar-wrapper, .handle",(p,u)=>{const c=_.closest(".bar-wrapper",u);a.forEach(w=>w.group.classList.remove("active")),u.classList.contains("left")?i=!0:u.classList.contains("right")?r=!0:u.classList.contains("bar-wrapper")&&(t=!0),c.classList.add("active"),this.popup&&this.popup.parent.classList.add("hidden"),this.popup&&this.popup.parent.classList.add("hidden"),e=p.offsetX||p.layerX,p.offsetY||p.layerY,o=c.getAttribute("data-id"),a=[o,...this.get_all_dependent_tasks(o)].map(w=>this.get_bar(w)),this.bar_being_dragged=o,a.forEach(w=>{const b=w.$bar;b.ox=b.getX(),b.oy=b.getY(),b.owidth=b.getWidth(),b.finaldx=0})}),_.on(this.$container,"scroll",p=>{let u=document.querySelectorAll(".bar-wrapper"),c=[];const f=[];let w;s&&(w=p.currentTarget.scrollLeft-s);const b=p.currentTarget.scrollLeft/this.options.column_width*this.options.step/24;let $="D MMM";["Year","Month"].includes(this.options.view_mode)?$="YYYY":["Day","Week"].includes(this.options.view_mode)?$="MMMM":this.view_is("Half Day")?$="D":this.view_is("Hour")&&($="D MMMM");let z=h.format(h.add(this.gantt_start,b,"day"),$);const v=Array.from(document.querySelectorAll(".upper-text")).find(m=>m.textContent===z);if(v&&!v.classList.contains("current-upper")){const m=document.querySelector(".current-upper");m&&(m.classList.remove("current-upper"),m.style.left=this.upper_texts_x[m.textContent]+"px",m.style.top=this.options.header_height-50+"px"),v.classList.add("current-upper");let H=this.$svg.getBoundingClientRect();v.style.left=H.x+this.$container.scrollLeft+10+"px",v.style.top=H.y+this.options.header_height-50+"px"}Array.prototype.forEach.call(u,function(m,H){f.push(m.getAttribute("data-id"))}),w&&(c=f.map(m=>this.get_bar(m)),this.options.auto_move_label&&c.forEach(m=>{m.update_label_position_on_horizontal_scroll({x:w,sx:p.currentTarget.scrollLeft})})),s=p.currentTarget.scrollLeft}),_.on(this.$svg,"mousemove",p=>{if(!d())return;const u=(p.offsetX||p.layerX)-e;a.forEach(c=>{const f=c.$bar;f.finaldx=this.get_snap_position(u),this.hide_popup(),i?o===c.task.id?c.update_bar_position({x:f.ox+f.finaldx,width:f.owidth-f.finaldx}):c.update_bar_position({x:f.ox+f.finaldx}):r?o===c.task.id&&c.update_bar_position({width:f.owidth+f.finaldx}):t&&!this.options.readonly&&!this.options.dates_readonly&&c.update_bar_position({x:f.ox+f.finaldx})})}),document.addEventListener("mouseup",p=>{t=!1,i=!1,r=!1}),_.on(this.$svg,"mouseup",p=>{this.bar_being_dragged=null,a.forEach(u=>{u.$bar.finaldx&&(u.date_changed(),u.set_action_completed())})}),this.bind_bar_progress()}bind_bar_progress(){let t=0,e=null,s=null,i=null,r=null;_.on(this.$svg,"mousedown",".handle.progress",(o,a)=>{e=!0,t=o.offsetX||o.layerX,o.offsetY||o.layerY;const p=_.closest(".bar-wrapper",a).getAttribute("data-id");s=this.get_bar(p),i=s.$bar_progress,r=s.$bar,i.finaldx=0,i.owidth=i.getWidth(),i.min_dx=-i.getWidth(),i.max_dx=r.getWidth()-i.getWidth()}),_.on(this.$svg,"mousemove",o=>{if(!e)return;let a=(o.offsetX||o.layerX)-t;a>i.max_dx&&(a=i.max_dx),a<i.min_dx&&(a=i.min_dx);const d=s.$handle_progress;_.attr(i,"width",i.owidth+a),_.attr(d,"cx",i.getEndX()),i.finaldx=a}),_.on(this.$svg,"mouseup",()=>{e=!1,i&&i.finaldx&&(i.finaldx=0,s.progress_changed(),s.set_action_completed(),s=null,i=null,r=null)})}get_all_dependent_tasks(t){let e=[],s=[t];for(;s.length;){const i=s.reduce((r,o)=>(r=r.concat(this.dependency_map[o]),r),[]);e=e.concat(i),s=i.filter(r=>!s.includes(r))}return e.filter(Boolean)}get_snap_position(t){let e=t,s,i;return this.view_is(l.WEEK)?(s=t%(this.options.column_width/7),i=e-s+(s<this.options.column_width/14?0:this.options.column_width/7)):this.view_is(l.MONTH)?(s=t%(this.options.column_width/30),i=e-s+(s<this.options.column_width/60?0:this.options.column_width/30)):(s=t%this.options.column_width,i=e-s+(s<this.options.column_width/2?0:this.options.column_width)),i}unselect_all(){[...this.$svg.querySelectorAll(".bar-wrapper")].forEach(t=>{t.classList.remove("active")}),this.popup&&this.popup.parent.classList.remove("hidden")}view_is(t){return typeof t=="string"?this.options.view_mode===t:Array.isArray(t)?t.some(e=>this.options.view_mode===e):!1}get_task(t){return this.tasks.find(e=>e.id===t)}get_bar(t){return this.bars.find(e=>e.task.id===t)}show_popup(t){this.options.popup!==!1&&(this.popup||(this.popup=new N(this.$popup_wrapper,this.options.popup)),this.popup.show(t))}hide_popup(){this.popup&&this.popup.hide()}trigger_event(t,e){this.options["on_"+t]&&this.options["on_"+t].apply(null,e)}get_oldest_starting_date(){return this.tasks.length?this.tasks.map(t=>t._start).reduce((t,e)=>e<=t?e:t):new Date}clear(){var t,e,s,i,r,o;this.$svg.innerHTML="",(e=(t=this.$header)==null?void 0:t.remove)==null||e.call(t),(i=(s=this.$current_highlight)==null?void 0:s.remove)==null||i.call(s),(o=(r=this.popup)==null?void 0:r.hide)==null||o.call(r)}}T.VIEW_MODE=l;function B(n){return n.name+"_"+Math.random().toString(36).slice(2,12)}return T});
diff --git a/dist/style.css b/dist/style.css
index 6ad17a2c..f81b57c3 100644
--- a/dist/style.css
+++ b/dist/style.css
@@ -1 +1 @@
-:root{--bar-color-dark: #616161;--bar-stroke-dark: #c6ccd2;--border-color-dark: #616161;--light-bg-dark: #3e3e3e;--light-border-color-dark: #3e3e3e;--text-muted-dark: #eee;--text-light-dark: #ececec;--text-color-dark: #f7f7f7;--blue-dark: #8a8aff}.dark>.gantt-container .gantt .grid-row{fill:#252525}.dark>.gantt-container .gantt .row-line{stroke:var(--light-border-color-dark)}.dark>.gantt-container .gantt .tick{stroke:var(--border-color-dark)}.dark>.gantt-container .gantt .holiday-highlight{fill:var(--light-bg-dark)}.dark>.gantt-container .gantt .arrow{stroke:var(--text-muted-dark)}.dark>.gantt-container .gantt .bar{fill:var(--bar-color-dark);stroke:none}.dark>.gantt-container .gantt .bar-progress{fill:var(--blue-dark)}.dark>.gantt-container .gantt .bar-invalid{fill:transparent;stroke:var(--bar-stroke-dark)}:is(.dark>.gantt-container .gantt .bar-invalid)~.bar-label{fill:var(--text-light-dark)}.dark>.gantt-container .gantt .bar-label.big{fill:var(--text-light-dark)}.dark>.gantt-container .gantt .bar-wrapper:hover .bar{fill:lighten(var(--bar-color-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper:hover .bar-progress{fill:lighten(var(--blue-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper.active .bar{fill:lighten(var(--bar-color-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper.active .bar-progress{fill:lighten(var(--blue-dark, 5))}.dark>.gantt-container .grid-header{background-color:#252525}.dark>.gantt-container .popup-wrapper{background-color:#333}.dark>.gantt-container .popup-wrapper .title{border-color:lighten(var(--blue-dark, 5))}.dark>.gantt-container .popup-wrapper .pointer{border-top-color:#333}:root{--bar-color: #fff;--bar-color-important: #94c4f4;--bar-stroke: #fff;--dark-stroke-color: #e0e0e0;--stroke-color: #ebeef0;--light-bg: #f5f5f5;--light-border-color: #ebeff2;--light-yellow: #f6e796;--holiday-color: #f9fafa;--text-muted: #666;--text-grey: #98a1a9;--text-light: #fff;--text-dark: #111;--progress: #ebeef0;--handle-color: #dcdce4;--handle-color-important: #94c4f4;--light-blue: #c4c4e9;--middle-blue: #62b2f9;--dark-blue: #2c94ec}.gantt-container{line-height:14.5px;position:relative;overflow:auto;font-size:12px;height:500px}.gantt-container .popup-wrapper{position:absolute;top:0;left:0;background:#171b1f;padding:10px;border-radius:5px;width:max-content}.gantt-container .popup-wrapper.hidden{opacity:0!important}.gantt-container .popup-wrapper .title{margin-bottom:5px;text-align:-webkit-center;text-align:center;color:var(--text-light)}.gantt-container .popup-wrapper .subtitle{color:var(--text-grey)}.gantt-container .popup-wrapper .pointer{position:absolute;height:5px;margin:0 0 0 -5px;border:5px solid transparent;border-bottom-color:#000c}.gantt-container .grid-header{background-color:#fff;position:sticky;top:0;left:0;z-index:10}.gantt-container .lower-text,.gantt-container .upper-text{text-anchor:middle;color:var(--text-dark)}.gantt-container .upper-header{height:40px}.gantt-container .lower-header{height:30px}.gantt-container .lower-text{font-size:14px;position:absolute;width:fit-content}.gantt-container .upper-text{position:absolute;width:fit-content;font-weight:500;font-size:16px}.gantt-container .current-upper{position:fixed}.gantt-container .side-header{position:fixed;padding:0 10px;margin-right:10px;background:#fff;line-height:20px;font-weight:400}.gantt-container .today-button,.gantt-container .viewmode-select{background:#f4f5f6;text-align:-webkit-center;text-align:center;border:none;color:var(--text-dark);padding:4px 10px;border-radius:8px;height:25px}.gantt-container .viewmode-select{outline:none!important;padding:4px 8px;margin-right:4px;text-indent:1px;text-overflow:""}.gantt-container .date-highlight{background-color:var(--progress);border-radius:12px;position:absolute;display:none}.gantt-container .current-highlight{position:absolute;background:var(--dark-blue);width:1px}.gantt-container .current-date-highlight{background:var(--dark-blue);color:var(--text-light);padding:4px 8px;border-radius:200px}.gantt{user-select:none;-webkit-user-select:none;position:absolute}.gantt .grid-background{fill:none}.gantt .grid-row{fill:#fff}.gantt .row-line{stroke:var(--light-border-color)}.gantt .tick{stroke:var(--stroke-color);stroke-width:.4}.gantt .tick.thick{stroke:var(--dark-stroke-color);stroke-width:.7}.gantt .holiday-highlight{fill:var(--holiday-color)}.gantt .arrow{fill:none;stroke:#9fa9b1;stroke-width:1}.gantt .bar-wrapper .bar{fill:var(--bar-color);stroke:var(--bar-stroke);stroke-width:0;transition:stroke-width .3s ease}.gantt .bar-progress{fill:var(--progress)}.gantt .bar-expected-progress{fill:var(--light-blue)}.gantt .bar-invalid{fill:transparent;stroke:var(--bar-stroke);stroke-width:1;stroke-dasharray:5}:is(.gantt .bar-invalid)~.bar-label{fill:var(--text-light)}.gantt .bar-label{fill:var(--text-dark);dominant-baseline:central;font-family:Helvetica;font-size:13px;font-weight:400}.gantt .bar-label.big{fill:var(--text-dark);text-anchor:start}.gantt .bar-wrapper.important .bar{fill:var(--bar-color-important)}.gantt .bar-wrapper.important .bar-progress{fill:var(--dark-blue)}.gantt .bar-wrapper.important .bar-label{fill:var(--text-light)}.gantt .bar-wrapper.important .handle{fill:var(--handle-color-important)}.gantt .bar-wrapper.important .handle.progress{fill:var(--text-light)}.gantt .handle{fill:var(--handle-color);cursor:ew-resize;opacity:0;visibility:hidden;transition:opacity .3s ease}.gantt .handle.progress{fill:var(--text-muted)}.gantt .bar-wrapper{cursor:pointer}.gantt .bar-wrapper.active .handle{visibility:visible;opacity:1}.gantt .bar-wrapper .bar{-webkit-filter:drop-shadow(3px 3px 2px rgba(0,0,0,.7));filter:drop-shadow(0 0 2px rgba(17,43,66,.16));border-radius:3px}.gantt .bar-wrapper .bar.safari{outline:1px solid black}.gantt .bar-wrapper:hover .bar{transition:transform .3s ease}.gantt .bar-wrapper:hover .date-highlight{display:block}.gantt .hide{display:none}
+:root{--bar-color-dark: #616161;--bar-stroke-dark: #c6ccd2;--border-color-dark: #616161;--light-bg-dark: #3e3e3e;--light-border-color-dark: #3e3e3e;--text-muted-dark: #eee;--text-light-dark: #ececec;--text-color-dark: #f7f7f7;--blue-dark: #8a8aff}.dark>.gantt-container .gantt .grid-row{fill:#252525}.dark>.gantt-container .gantt .row-line{stroke:var(--light-border-color-dark)}.dark>.gantt-container .gantt .tick{stroke:var(--border-color-dark)}.dark>.gantt-container .gantt .holiday-highlight{fill:var(--light-bg-dark)}.dark>.gantt-container .gantt .arrow{stroke:var(--text-muted-dark)}.dark>.gantt-container .gantt .bar{fill:var(--bar-color-dark);stroke:none}.dark>.gantt-container .gantt .bar-progress{fill:var(--blue-dark)}.dark>.gantt-container .gantt .bar-invalid{fill:transparent;stroke:var(--bar-stroke-dark)}:is(.dark>.gantt-container .gantt .bar-invalid)~.bar-label{fill:var(--text-light-dark)}.dark>.gantt-container .gantt .bar-label.big{fill:var(--text-light-dark)}.dark>.gantt-container .gantt .bar-wrapper:hover .bar{fill:lighten(var(--bar-color-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper:hover .bar-progress{fill:lighten(var(--blue-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper.active .bar{fill:lighten(var(--bar-color-dark, 5))}.dark>.gantt-container .gantt .bar-wrapper.active .bar-progress{fill:lighten(var(--blue-dark, 5))}.dark>.gantt-container .grid-header{background-color:#252525}.dark>.gantt-container .popup-wrapper{background-color:#333}.dark>.gantt-container .popup-wrapper .title{border-color:lighten(var(--blue-dark, 5))}.dark>.gantt-container .popup-wrapper .pointer{border-top-color:#333}:root{--bar-color: #fff;--bar-color-important: #94c4f4;--bar-stroke: #fff;--dark-stroke-color: #e0e0e0;--stroke-color: #ebeef0;--light-bg: #f5f5f5;--light-border-color: #ebeff2;--light-yellow: #f6e796;--holiday-color: #f9fafa;--text-muted: #666;--text-grey: #98a1a9;--text-light: #fff;--text-dark: #111;--progress: #ebeef0;--handle-color: #dcdce4;--handle-color-important: #94c4f4;--light-blue: #c4c4e9;--middle-blue: #62b2f9;--dark-blue: #2c94ec}.gantt-container{line-height:14.5px;position:relative;overflow:auto;font-size:12px;height:500px}.gantt-container .popup-wrapper{position:absolute;top:0;left:0;background:#171b1f;padding:10px;border-radius:5px;width:max-content}.gantt-container .popup-wrapper.hidden{opacity:0!important}.gantt-container .popup-wrapper .title{margin-bottom:5px;text-align:-webkit-center;text-align:center;color:var(--text-light)}.gantt-container .popup-wrapper .subtitle{color:var(--text-grey)}.gantt-container .popup-wrapper .pointer{position:absolute;height:5px;margin:0 0 0 -5px;border:5px solid transparent;border-bottom-color:#000c}.gantt-container .grid-header{background-color:#fff;position:sticky;top:0;left:0;z-index:10}.gantt-container .lower-text,.gantt-container .upper-text{text-anchor:middle;color:var(--text-dark)}.gantt-container .upper-header{height:40px}.gantt-container .lower-header{height:30px}.gantt-container .lower-text{font-size:14px;position:absolute;width:fit-content;transform:translate(-50%)}.gantt-container .upper-text{position:absolute;width:fit-content;font-weight:500;font-size:16px}.gantt-container .current-upper{position:fixed}.gantt-container .side-header{position:fixed;padding:0 10px;margin-right:10px;background:#fff;line-height:20px;font-weight:400}.gantt-container .today-button,.gantt-container .viewmode-select{background:#f4f5f6;text-align:-webkit-center;text-align:center;border:none;color:var(--text-dark);padding:4px 10px;border-radius:8px;height:25px}.gantt-container .viewmode-select{outline:none!important;padding:4px 8px;margin-right:4px;text-indent:1px;text-overflow:""}.gantt-container .date-highlight{background-color:var(--progress);border-radius:12px;position:absolute;display:none}.gantt-container .current-highlight{position:absolute;background:var(--dark-blue);width:1px}.gantt-container .current-date-highlight{background:var(--dark-blue);color:var(--text-light);padding:4px 8px;border-radius:200px}.gantt{user-select:none;-webkit-user-select:none;position:absolute}.gantt .grid-background{fill:none}.gantt .grid-row{fill:#fff}.gantt .row-line{stroke:var(--light-border-color)}.gantt .tick{stroke:var(--stroke-color);stroke-width:.4}.gantt .tick.thick{stroke:var(--dark-stroke-color);stroke-width:.7}.gantt .holiday-highlight{fill:var(--holiday-color)}.gantt .arrow{fill:none;stroke:#9fa9b1;stroke-width:1}.gantt .bar-wrapper .bar{fill:var(--bar-color);stroke:var(--bar-stroke);stroke-width:0;transition:stroke-width .3s ease}.gantt .bar-progress{fill:var(--progress)}.gantt .bar-expected-progress{fill:var(--light-blue)}.gantt .bar-invalid{fill:transparent;stroke:var(--bar-stroke);stroke-width:1;stroke-dasharray:5}:is(.gantt .bar-invalid)~.bar-label{fill:var(--text-light)}.gantt .bar-label{fill:var(--text-dark);dominant-baseline:central;font-family:Helvetica;font-size:13px;font-weight:400}.gantt .bar-label.big{fill:var(--text-dark);text-anchor:start}.gantt .bar-wrapper.important .bar{fill:var(--bar-color-important)}.gantt .bar-wrapper.important .bar-progress{fill:var(--dark-blue)}.gantt .bar-wrapper.important .bar-label{fill:var(--text-light)}.gantt .bar-wrapper.important .handle{fill:var(--handle-color-important)}.gantt .bar-wrapper.important .handle.progress{fill:var(--text-light)}.gantt .handle{fill:var(--handle-color);cursor:ew-resize;opacity:0;visibility:hidden;transition:opacity .3s ease}.gantt .handle.progress{fill:var(--text-muted)}.gantt .bar-wrapper{cursor:pointer}.gantt .bar-wrapper.active .handle{visibility:visible;opacity:1}.gantt .bar-wrapper .bar{-webkit-filter:drop-shadow(3px 3px 2px rgba(0,0,0,.7));filter:drop-shadow(0 0 2px rgba(17,43,66,.16));border-radius:3px}.gantt .bar-wrapper .bar.safari{outline:1px solid black}.gantt .bar-wrapper:hover .bar{transition:transform .3s ease}.gantt .bar-wrapper:hover .date-highlight{display:block}.gantt .hide{display:none}
diff --git a/src/gantt.css b/src/gantt.css
index d595ae87..d70b4541 100644
--- a/src/gantt.css
+++ b/src/gantt.css
@@ -89,6 +89,7 @@
         font-size: 14px;
         position: absolute;
         width: fit-content;
+        transform: translateX(-50%);
     }
 
     & .upper-text {
diff --git a/src/index.js b/src/index.js
index 9d8ddaf2..f8ff9f01 100644
--- a/src/index.js
+++ b/src/index.js
@@ -739,8 +739,7 @@ export default class Gantt {
             });
             $lower_text.innerText = date.lower_text;
             $lower_text.style.left =
-                +$lower_text.style.left.slice(0, -2) -
-                $lower_text.clientWidth / 2 +
+                +$lower_text.style.left.slice(0, -2) +
                 'px';
 
             if (date.upper_text) {