simple-gantt-chart/dist/index.js

Very simple vanilla JavaScript library for displaying projects as Gantt Charts.

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n.dayPeriod(r,{width:"abbreviated",context:"formatting"});case"BBBBB":return n.dayPeriod(r,{width:"narrow",context:"formatting"});case"BBBB":default:return n.dayPeriod(r,{width:"wide",context:"formatting"})}},h:function(t,e,n){if("ho"===e){var r=t.getUTCHours()%12;return 0===r&&(r=12),n.ordinalNumber(r,{unit:"hour"})}return $.h(t,e)},H:function(t,e,n){return"Ho"===e?n.ordinalNumber(t.getUTCHours(),{unit:"hour"}):$.H(t,e)},K:function(t,e,n){var r=t.getUTCHours()%12;return"Ko"===e?n.ordinalNumber(r,{unit:"hour"}):D(r,e.length)},k:function(t,e,n){var r=t.getUTCHours();return 0===r&&(r=24),"ko"===e?n.ordinalNumber(r,{unit:"hour"}):D(r,e.length)},m:function(t,e,n){return"mo"===e?n.ordinalNumber(t.getUTCMinutes(),{unit:"minute"}):$.m(t,e)},s:function(t,e,n){return"so"===e?n.ordinalNumber(t.getUTCSeconds(),{unit:"second"}):$.s(t,e)},S:function(t,e){return $.S(t,e)},X:function(t,e,n,r){var i=(r._originalDate||t).getTimezoneOffset();if(0===i)return"Z";switch(e){case"X":return F(i);case"XXXX":case"XX":return R(i);case"XXXXX":case"XXX":default:return R(i,":")}},x:function(t,e,n,r){var i=(r._originalDate||t).getTimezoneOffset();switch(e){case"x":return F(i);case"xxxx":case"xx":return R(i);case"xxxxx":case"xxx":default:return R(i,":")}},O:function(t,e,n,r){var i=(r._originalDate||t).getTimezoneOffset();switch(e){case"O":case"OO":case"OOO":return"GMT"+B(i,":");case"OOOO":default:return"GMT"+R(i,":")}},z:function(t,e,n,r){var i=(r._originalDate||t).getTimezoneOffset();switch(e){case"z":case"zz":case"zzz":return"GMT"+B(i,":");case"zzzz":default:return"GMT"+R(i,":")}},t:function(t,e,n,r){var i=r._originalDate||t;return D(Math.floor(i.getTime()/1e3),e.length)},T:function(t,e,n,r){return D((r._originalDate||t).getTime(),e.length)}};function V(t,e){switch(t){case"P":return e.date({width:"short"});case"PP":return e.date({width:"medium"});case"PPP":return e.date({width:"long"});case"PPPP":default:return e.date({width:"full"})}}function Q(t,e){switch(t){case"p":return e.time({width:"short"});case"pp":return e.time({width:"medium"});case"ppp":return e.time({width:"long"});case"pppp":default:return e.time({width:"full"})}}var G={p:Q,P:function(t,e){var n,r=t.match(/(P+)(p+)?/),i=r[1],a=r[2];if(!a)return V(t,e);switch(i){case"P":n=e.dateTime({width:"short"});break;case"PP":n=e.dateTime({width:"medium"});break;case"PPP":n=e.dateTime({width:"long"});break;case"PPPP":default:n=e.dateTime({width:"full"})}return n.replace("{{date}}",V(i,e)).replace("{{time}}",Q(a,e))}},I=["D","DD"],J=["YY","YYYY"];function K(t){return-1!==I.indexOf(t)}function Z(t){return-1!==J.indexOf(t)}function tt(t){if("YYYY"===t)throw new RangeError("Use `yyyy` instead of `YYYY` for formatting years; see: https://git.io/fxCyr");if("YY"===t)throw new RangeError("Use `yy` instead of `YY` for formatting years; see: https://git.io/fxCyr");if("D"===t)throw new RangeError("Use `d` instead of `D` for formatting days of the month; see: https://git.io/fxCyr");if("DD"===t)throw new RangeError("Use `dd` instead of `DD` for formatting days of the month; see: https://git.io/fxCyr")}var et,nt=/[yYQqMLwIdDecihHKkms]o|(\w)\1*|''|'(''|[^'])+('|$)|./g,rt=/P+p+|P+|p+|''|'(''|[^'])+('|$)|./g,it=/^'([^]*?)'?$/,at=/''/g,ot=/[a-zA-Z]/;function st(t,e,n){d(2,arguments);var r=String(e),i=n||{},a=i.locale||k,o=a.options&&a.options.firstWeekContainsDate,s=null==o?1:M(o),u=null==i.firstWeekContainsDate?s:M(i.firstWeekContainsDate);if(!(u>=1&&u<=7))throw new RangeError("firstWeekContainsDate must be between 1 and 7 inclusively");var c=a.options&&a.options.weekStartsOn,h=null==c?0:M(c),f=null==i.weekStartsOn?h:M(i.weekStartsOn);if(!(f>=0&&f<=6))throw new RangeError("weekStartsOn must be between 0 and 6 inclusively");if(!a.localize)throw new RangeError("locale must contain localize property");if(!a.formatLong)throw new RangeError("locale must contain formatLong property");var w=l(t);if(!b(w))throw new RangeError("Invalid time value");var m=g(w),p=P(w,m),y={firstWeekContainsDate:u,weekStartsOn:f,locale:a,_originalDate:w},v=r.match(rt).map((function(t){var e=t[0];return"p"===e||"P"===e?(0,G[e])(t,a.formatLong,y):t})).join("").match(nt).map((function(t){if("''"===t)return"'";var e=t[0];if("'"===e)return ut(t);var n=X[e];if(n)return!i.useAdditionalWeekYearTokens&&Z(t)&&tt(t),!i.useAdditionalDayOfYearTokens&&K(t)&&tt(t),n(p,t,a.localize,y);if(e.match(ot))throw new RangeError("Format string contains an unescaped latin alphabet character `"+e+"`");return t})).join("");return v}function ut(t){return t.match(it)[1].replace(at,"'")}function ct(t,e){d(2,arguments);var n=l(t),r=M(e);return n.setDate(n.getDate()+r),n}function dt(t,e,n,r){switch(t){case"day":return function(t,e,n){if(n<e)throw new Error("Invalid date range");const r=h(e);let i=h(n);const a=m(i,r);a<31&&(i=ct(i,31-a));const o=[];let s=0;for(let e=new Date(r);e<=i;e=ct(e,1))o.push({day:new Date(e),dayAsString:st(e,"d. MMM"),left:s}),s+=t;return o}(e,n,r);default:throw new TypeError(`Invalid scale "${t}"`)}}!function(t){t.day="day"}(et||(et={}));class lt{constructor(){const t=new Date;this.id=c(),this.columns=[{id:"text",title:"Tasks"},{id:"days",title:"Days",width:60}],this.scale=et.day,this.scaleStart=h(function(t){d(1,arguments);var e=l(t);return e.setDate(1),e.setHours(0,0,0,0),e}(t)),this.scaleEnd=h(function(t){d(1,arguments);var e=l(t),n=e.getMonth();return e.setFullYear(e.getFullYear(),n+1,0),e.setHours(23,59,59,999),e}(t)),this.treeWidthPercentage=30,this.timelineCellWidth=60,this.lineHeight=34,this.tasks=[],this.links=[],this.callbackTaskClick=null,this.callbackTaskDblClick=null}setConfig(t){if(void 0!==t.treeWidthPercentage){if(!("number"==typeof t.treeWidthPercentage&&t.treeWidthPercentage>=0&&t.treeWidthPercentage<=100))throw new TypeError(`The option "treeWidthPercentage" must be a number between 0 and 100: ${t.treeWidthPercentage}`);this.treeWidthPercentage=t.treeWidthPercentage}void 0!==t.columns&&(this.columns=function(t){if(!Array.isArray(t))throw new TypeError('The option "columns" must be an array');const e=[],n=t.map(t=>{if(-1!==e.indexOf(t.id))throw new TypeError(`The option columns uses the id "${t.id}" more then once`);return e.push(t.id),Object.assign({},t)});return["text","days"].forEach(t=>{if(-1===e.indexOf(t))throw new TypeError(`The option "columns" does not contain the required column "${t}"`)}),n}(t.columns))}getRootElement(){const t=document.getElementById(this.id);if(null===t)throw new Error(`The element with id "${this.id}" cannot be found`);return t}getElementByClassName(t){const e=this.getRootElement().querySelector(`.${t}`);if(null===e)throw new Error(`The selector ".${t}" cannot be found`);return e}getElementsByClassName(t){return this.getRootElement().querySelectorAll(`.${t}`)}}function ht(t){return function(t){return"number"==typeof t&&!Number.isNaN(t)&&Number.isFinite(t)}(t)&&t%1==0}function ft(t,e){if(!Array.isArray(t)||!t.every(t=>"object"==typeof t))throw new Error('The method "setData" expects the first parameter to be an array of tasks');let n=null,r=null;const i=[];e.tasks=t.map(t=>{if(!ht(t.id)||t.id<=0)throw new TypeError('The property "id" must be a positive integer');if(-1!==i.indexOf(t.id))throw new TypeError(`The task id "${t.id}" is used more then once`);if(i.push(t.id),"string"!=typeof t.text)throw new TypeError(`The property "text" in task "${t.id}" must be a string`);if(!b(t.startDate))throw new TypeError(`The property "startDate" in task "${t.id}" must be a Date`);if(!ht(t.days)||t.days<=0)throw new TypeError('The property "days" must be a positive integer');const e=ct(t.startDate,t.days);return(null===n||t.startDate<n)&&(n=t.startDate),(null===r||e>r)&&(r=e),{id:t.id,text:t.text,startDate:t.startDate,endDate:e,days:t.days}}),null!==n&&(e.scaleStart=n),null!==r&&(e.scaleEnd=r),e.links=function(t,e){const n=[];return t.forEach(t=>{if(Array.isArray(t.dependencies)){if(r=t.dependencies,new Set(r).size!==r.length)throw new TypeError(`The dependencies in the task with id "${t.id}" contain duplicates`);t.dependencies.forEach(r=>{if(-1===e.indexOf(r))throw new TypeError(`The task with id "${t.id}" has an invalid dependency "${r}"`);n.push({source:r,target:t.id})})}var r}),n}(t,i)}class gt{constructor(t={}){if(this._styles={},t instanceof gt)this._styles=Object.assign({},t._styles);else for(const e in t){const n=e.toLocaleLowerCase();if(this._styles.hasOwnProperty(n))throw new TypeError(`Duplicate style "${n}"`);this._styles[n]=t[e]}}merge(t){for(const e in t){const n=e.toLocaleLowerCase();this._styles[n]=t[e]}}getComponent(t){const e=t.toLowerCase();return this._styles.hasOwnProperty(e)?this._styles[e]:null}setComponent(t,e){this._styles[t.toLowerCase()]=e}hasComponent(t){return null!==this.getComponent(t)}toString(){const t=[];for(const e in this._styles)t.push(`${e}:${this._styles[e]};`);return t.join("")}}class wt{constructor(t={}){if(this._attributes={},t instanceof wt)this._attributes=Object.assign({},t._attributes);else for(const e in t){const n=e.toLowerCase(),r=t[e];if("string"!=typeof r&&"number"!=typeof r)throw new TypeError(`Invalid type of value in attribute "${e}"`);if(this._attributes.hasOwnProperty(n))throw new TypeError(`Duplicate attribute "${e}"`);this._attributes[n]=r.toString()}}getAttribute(t){const e=t.toLowerCase();return this._attributes.hasOwnProperty(e)?this._attributes[e]:null}setAttribute(t,e){this._attributes[t.toLowerCase()]=e.toString()}hasAttribute(t){return null!==this.getAttribute(t)}pushValue(t,e){const n=e.toString();if(0===n.length||this.hasValue(t,n))return;const r=this.getAttribute(t);this.setAttribute(t,function(t,e){let n=null===t?"":t;e.length>0&&(n+=(n.length>0?" ":"")+e);return n}(null!==r?r:"",n))}hasValue(t,e){const n=this.getAttribute(t);return null!==n&&0!==n.length&&-1!==n.split(" ").indexOf(e.toString())}toString(){const t=[];for(const e in this._attributes)t.push(`${e}="${this._attributes[e]}"`);return t.join(" ")}appyAttributes(t){for(const e in this._attributes)t.setAttribute(e,this._attributes[e])}}function mt(t,e){const n=function(t){if(t instanceof wt)return t.toString();if("object"==typeof t&&null!==t){return new wt(t).toString()}return""}(e);return`<${t}${n.length>0?" "+n:""}>`}function bt(t,e={},n="",r={}){return function(t,e={},n={}){const r=new wt(n),i=new gt(e).toString();if(r.hasAttribute("class")||r.hasAttribute("style"))throw new Error('The parameter "attributes" cannot contain a "class" or "style" attribute');return"string"==typeof t?r.setAttribute("class",t):t.length>0&&r.setAttribute("class",t.join(" ")),i.length>0&&r.setAttribute("style",i),mt("div",r)}(t,e,r)+n+"</div>"}const pt="gc_root_container_view",yt="gc_header_view",vt="gc_body_view",xt="gc_scrollbar_view",_t="gc_tree_header_view",Tt="gc_tree_header_row",Ct="gc_tree_header_cell",kt="gc_tree_table_view",Mt="gc_tree_table_row",Et="gc_tree_table_cell",Pt="gc_tree_scrollbar_cell",Dt="gc_timeline_header_view",$t="gc_timeline_header_gap_view",St="gc_timeline_header_row",Wt="gc_timeline_header_cell",Ht="gc_timeline_table_view",zt="gc_timeline_table_grid_view",Ot="gc_timeline_table_task_view",Ut="gc_timeline_table_link_view",jt="gc_timeline_table_row",At="gc_timeline_table_cell",Lt="gc_timeline_table_task",Nt="gc_timeline_scrollbar_cell",Yt="gc_timeline_scrollbar_gap",qt="gc_border_bottom",Bt="gc_border_left",Ft="gc_border_right_wide";var Rt,Xt=n(0),Vt=n.n(Xt);class Qt{constructor(t,e){this._config=t,this._width=e,this._header=function(t,e){const n=t.reduce((t,e)=>("number"==typeof e.width&&(t+=e.width),t),0),r=t.filter(t=>"number"!=typeof t.width).length,i=Math.round((e-n)/r);return t.map(t=>({title:t.title,id:t.id,width:"number"==typeof t.width?t.width:i}))}(t.columns,e)}getHeader(){const t={"box-sizing":"border-box",width:`${this._width}px`,display:"flex","flex-direction":"row"},e=function(t,e){const n=t.map((e,n)=>function(t,e,n){const r=[Ct,qt];e||r.push(Bt);n&&r.push(Ft);return bt(r,{height:"inherit",width:`${t.width}px`,"min-width":`${t.width}px`,"box-sizing":"border-box"},t.title)}(e,0===n,n===t.length-1)).join("");return bt(Tt,{height:`${e}px`,"box-sizing":"border-box",display:"flex","flex-direction":"row"},n)}(this._header,this._config.lineHeight);return bt(_t,t,e)}getTable(){const t=this._config.tasks.map(t=>function(t,e,n){const r=e.map((n,r)=>function(t,e,n,r){const i=[Et];n||i.push(Bt);r&&i.push(Ft);const a=t[e.id];return bt(i,{height:"inherit",width:`${e.width}px`,"box-sizing":"border-box"},a,{"data-columnid":e.id,"data-taskid":t.id})}(t,n,0===r,r===e.length-1)).join("");return bt([Mt,qt],{height:`${n}px`,width:"inherit","box-sizing":"border-box",display:"flex","flex-direction":"row"},r,{"data-taskid":t.id})}(t,this._header,this._config.lineHeight)).join("");return bt(kt,{"box-sizing":"border-box",width:`${this._width}px`},t)}}!function(t){t.left="left",t.right="right",t.up="up",t.down="down"}(Rt||(Rt={}));class Gt{constructor(t){this._lastPosition=Object.assign({},t),this._vectors=[]}getVectors(){return this._vectors}getLastPosition(){return this._lastPosition}addVector(t,e){let{x:n,y:r}=this._lastPosition;switch(t){case Rt.left:n-=e;break;case Rt.right:n+=e;break;case Rt.up:r-=e;break;case Rt.down:r+=e;break;default:throw new TypeError(`Invalid direction "${t}"`)}this.addLineToPoint({x:n,y:r})}addLineToPoint(t){const e=this._lastPosition,n=Object.assign({},t),r=Gt._getDirection(e,n);this._vectors.push({x:e.x,y:e.y,direction:r,size:Math.abs(r===Rt.left||r===Rt.right?e.x-n.x:e.y-n.y)}),this._lastPosition=n}static _getDirection(t,e){return e.x<t.x?Rt.left:e.x>t.x?Rt.right:e.y>t.y?Rt.down:Rt.up}}function It(t){const e=function(t,e,n){const r={x:t.left+t.width,y:t.top},i={x:e.left,y:e.top};r.x+=1,r.y-=2,i.y-=2;const a=new Gt({x:r.x,y:r.y}),o=i.x-r.x;if(o>24)a.addVector(Rt.right,o/2),a.addVector(Rt.down,i.y-r.y),a.addVector(Rt.right,o/2);else{const t=i.y-r.y,e=t>0?1:-1;a.addVector(Rt.right,12),a.addVector(Rt.down,e*(n/2)),a.addVector(Rt.right,i.x-r.x-24),a.addVector(Rt.down,e*(Math.abs(t)-n/2)),a.addVector(Rt.right,12)}return{vectors:a.getVectors(),lastPoint:a.getLastPosition()}}(t.source,t.target,t.lineHeight),n=e.vectors.map((n,r)=>(r===e.vectors.length-1&&(n.size-=6),function(t,e,n,r){const i=function(t,e,n){const r=t.size+e;switch(t.direction){case Rt.left:case Rt.right:return{height:e,width:r,top:(n-e)/2,left:(n-e)/2};case Rt.up:case Rt.down:return{height:r,width:e,top:(n-e)/2,left:(n-e)/2};default:throw new Error(`Invalid direction "${t.direction}"`)}}(t,n,r),a=bt(`gc_link_line_${t.direction}`,{position:"absolute","margin-top":`${i.top}px`,"margin-left":`${i.left}px`,height:`${i.height}px`,width:`${i.width}px`}),o=function(t,e,n){const r=t.y+(e-n)/2;switch(t.direction){case Rt.left:return{top:r,height:n,lineHeight:n,left:t.x-t.size-n/2,width:t.size+n};case Rt.right:return{top:r,lineHeight:n,height:n,left:t.x-n/2,width:t.size+n};case Rt.up:return{top:r-t.size,lineHeight:t.size+n,height:t.size+n,left:t.x-n/2,width:n};case Rt.down:return{top:r,lineHeight:t.size+n,height:t.size+n,left:t.x-n/2,width:n};default:throw new TypeError(`Invalid direction "${t.direction}"`)}}(t,e,r);return bt("gc_link_container_view",{position:"absolute",top:`${o.top}px`,left:`${o.left}px`,height:`${o.height}px`,width:`${o.width}px`},a)}(n,t.lineHeight,2,t.lineHeight))).join(""),r=e.vectors[e.vectors.length-1].direction;return n+function(t,e,n,r){let i=t.y,a=t.x;switch(e){case Rt.right:i-=(r-n)/2,a-=r;break;case Rt.left:i-=(r-n)/2;break;case Rt.up:a-=r;break;case Rt.down:i+=2*r,a-=r;break;default:throw new Error(`Invalid direction "${e}"`)}return bt(`gc_link_arrow_${e}`,{position:"absolute","margin-top":"-3px",top:`${i}px`,left:`${a}px`})}(e.lastPoint,r,t.lineHeight,6)}class Jt{constructor(t,e){this._config=t,this._width=e,this._scale=dt(t.scale,t.timelineCellWidth,t.scaleStart,t.scaleEnd),this._taskModel=function(t,e,n,r){if(t.length<1)throw new Error("The scale is empty");const i=t[0].day;return e.map((t,e)=>{const a=m(t.startDate,i),o=m(t.endDate,t.startDate);return{task:t,top:n*e+2,left:a*r,height:n-4-1,width:o*r}})}(this._scale,this._config.tasks,this._config.lineHeight,t.timelineCellWidth)}getTimelineHeight(){return this._config.tasks.length*this._config.lineHeight}getTimelineWidth(){return this._scale.length*this._config.timelineCellWidth}getHeader(){const t=function(t,e,n){let r="";for(let e=0;e<t.length;e++)r+=Kt(t[e],n,0===e);return bt(St,{"box-sizing":"border-box",height:`${e}px`,display:"flex","flex-direction":"row"},r)}(this._scale,this._config.lineHeight,this._config.timelineCellWidth);return bt(Dt,{"box-sizing":"border-box",width:`${this._width}px`,display:"flex","flex-direction":"row","overflow-x":"hidden","overflow-y":"hidden"},t)}getTable(){const t=this.getTimelineHeight(),e=function(t,e,n,r,i,a){let o="";for(let t=0;t<a.length;t++)o+=Zt(i,n,r);return bt(zt,{"box-sizing":"border-box",position:"absolute",top:0,left:0,height:`${t}px`,width:`${e}px`},o)}(t,this._width,this._config.lineHeight,this._config.timelineCellWidth,this._scale,this._config.tasks),n=function(t,e,n){let r="";for(let t=0;t<n.length;t++)r+=(i=n[t],bt(Lt,{"box-sizing":"border-box",position:"absolute",top:`${i.top}px`,left:`${i.left}px`,height:`${i.height}px`,width:`${i.width}px`,"z-index":10},i.task.text,{"data-taskid":i.task.id.toString(),"data-date":i.task.startDate.getTime().toString()}));var i;return bt(Ot,{"box-sizing":"border-box",position:"absolute",top:0,left:0,height:`${t}px`,width:`${e}px`},r)}(t,this._width,this._taskModel),r=function(t,e,n,r,i){let a="";for(let t=0;t<i.length;t++){const e=i[t];a+=It({lineHeight:n,link:e,source:ee(r,e.source),target:ee(r,e.target)})}return bt(Ut,{"box-sizing":"border-box",position:"absolute",top:0,left:0,height:`${t}px`,width:`${e}px`},a)}(t,this._width,this._config.lineHeight,this._taskModel,this._config.links);return bt(Ht,{"box-sizing":"border-box",position:"relative",width:`${this._width}px`,height:`${t}px`,"overflow-x":"hidden","overflow-y":"hidden"},e+n+r)}attach(){const t=this._config.getElementByClassName(Ht);t.addEventListener("click",t=>this._onTaskEventHandler(t),!1),t.addEventListener("dblclick",t=>this._onTaskEventHandler(t),!1)}_onTaskEventHandler(t){let e=null;switch(t.type){case"click":e=this._config.callbackTaskClick;break;case"dblclick":e=this._config.callbackTaskDblClick;break;default:throw new Error(`Invalid event type 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