highcharts/modules/datagrouping.js

JavaScript charting framework

/*
 Highstock JS v8.2.0 (2020-08-20)

 Data grouping module

 (c) 2010-2019 Torstein Hnsi

 License: www.highcharts.com/license
*/
(function(d){"object"===typeof module&&module.exports?(d["default"]=d,module.exports=d):"function"===typeof define&&define.amd?define("highcharts/modules/datagrouping",["highcharts"],function(g){d(g);d.Highcharts=g;return d}):d("undefined"!==typeof Highcharts?Highcharts:void 0)})(function(d){function g(d,m,g,D){d.hasOwnProperty(m)||(d[m]=D.apply(null,g))}d=d?d._modules:{};g(d,"Extensions/DataGrouping.js",[d["Core/Axis/DateTimeAxis.js"],d["Core/Globals.js"],d["Core/Options.js"],d["Core/Series/Point.js"],
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c)return null}},H=function(a,c,b,h){var e=this,d=e.data,v=e.options&&e.options.data,A=[],n=[],f=[],p=a.length,q=!!c,r=[],k=e.pointArrayMap,g=k&&k.length,w=["x"].concat(k||["y"]),m=0,y=0,t;h="function"===typeof h?h:u[h]?u[h]:u[e.getDGApproximation&&e.getDGApproximation()||"average"];g?k.forEach(function(){r.push([])}):r.push([]);var B=g||1;for(t=0;t<=p&&!(a[t]>=b[0]);t++);for(t;t<=p;t++){for(;"undefined"!==typeof b[m+1]&&a[t]>=b[m+1]||t===p;){var l=b[m];e.dataGroupInfo={start:e.cropStart+y,length:r[0].length};
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"%A, %b %e, %H:%M","-%H:%M"],day:["%A, %b %e, %Y","%A, %b %e","-%A, %b %e, %Y"],week:["Week from %A, %b %e, %Y","%A, %b %e","-%A, %b %e, %Y"],month:["%B %Y","%B","-%B %Y"],year:["%Y","%Y","-%Y"]}},J={line:{},spline:{},area:{},areaspline:{},arearange:{},column:{groupPixelWidth:10},columnrange:{groupPixelWidth:10},candlestick:{groupPixelWidth:10},ohlc:{groupPixelWidth:5}},S=m.defaultDataGroupingUnits=[["millisecond",[1,2,5,10,20,25,50,100,200,500]],["second",[1,2,5,10,15,30]],["minute",[1,2,5,10,15,
30]],["hour",[1,2,3,4,6,8,12]],["day",[1]],["week",[1]],["month",[1,3,6]],["year",null]];w.getDGApproximation=function(){return this.is("arearange")?"range":this.is("ohlc")?"ohlc":this.is("column")?"sum":"average"};w.groupData=H;w.processData=function(){var a=this.chart,c=this.options.dataGrouping,b=!1!==this.allowDG&&c&&G(c.enabled,a.options.isStock),h=this.visible||!a.options.chart.ignoreHiddenSeries,e,f=this.currentDataGrouping,v=!1;this.forceCrop=b;this.groupPixelWidth=null;this.hasProcessed=
!0;b&&!this.requireSorting&&(this.requireSorting=v=!0);b=!1===Q.apply(this,arguments)||!b;v&&(this.requireSorting=!1);if(!b){this.destroyGroupedData();b=c.groupAll?this.xData:this.processedXData;var A=c.groupAll?this.yData:this.processedYData,n=a.plotSizeX;a=this.xAxis;var g=a.options.ordinal,p=this.groupPixelWidth=a.getGroupPixelWidth&&a.getGroupPixelWidth();if(p){this.isDirty=e=!0;this.points=null;v=a.getExtremes();var q=v.min;v=v.max;g=g&&a.ordinal&&a.ordinal.getGroupIntervalFactor(q,v,this)||
1;p=p*(v-q)/n*g;n=a.getTimeTicks(d.AdditionsClass.prototype.normalizeTimeTickInterval(p,c.units||S),Math.min(q,b[0]),Math.max(v,b[b.length-1]),a.options.startOfWeek,b,this.closestPointRange);A=w.groupData.apply(this,[b,A,n,c.approximation]);b=A.groupedXData;g=A.groupedYData;var r=0;if(c.smoothed&&b.length){var k=b.length-1;for(b[k]=Math.min(b[k],v);k--&&0<k;)b[k]+=p/2;b[0]=Math.max(b[0],q)}for(k=1;k<n.length;k++)n.info.segmentStarts&&-1!==n.info.segmentStarts.indexOf(k)||(r=Math.max(n[k]-n[k-1],r));
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function(){this.groupedData&&(this.groupedData.forEach(function(a,c){a&&(this.groupedData[c]=a.destroy?a.destroy():null)},this),this.groupedData.length=0)};w.generatePoints=function(){R.apply(this);this.destroyGroupedData();this.groupedData=this.hasGroupedData?this.points:null};y(D,"update",function(){if(this.dataGroup)return N(24,!1,this.series.chart),!1});y(K,"headerFormatter",function(a){var c=this.chart,b=c.time,h=a.labelConfig,e=h.series,d=e.tooltipOptions,g=e.options.dataGrouping,f=d.xDateFormat,
n=e.xAxis,m=d[(a.isFooter?"footer":"header")+"Format"];if(n&&"datetime"===n.options.type&&g&&x(h.key)){var p=e.currentDataGrouping;g=g.dateTimeLabelFormats||z.dateTimeLabelFormats;if(p)if(d=g[p.unitName],1===p.count)f=d[0];else{f=d[1];var q=d[2]}else!f&&g&&(f=this.getXDateFormat(h,d,n));f=b.dateFormat(f,h.key);q&&(f+=b.dateFormat(q,h.key+p.totalRange-1));e.chart.styledMode&&(m=this.styledModeFormat(m));a.text=P(m,{point:O(h.point,{key:f}),series:e},c);a.preventDefault()}});y(f,"destroy",w.destroyGroupedData);
y(f,"afterSetOptions",function(a){a=a.options;var c=this.type,b=this.chart.options.plotOptions,d=g.defaultOptions.plotOptions[c].dataGrouping,e=this.useCommonDataGrouping&&z;if(J[c]||e)d||(d=F(z,J[c])),a.dataGrouping=F(e,d,b.series&&b.series.dataGrouping,b[c].dataGrouping,this.userOptions.dataGrouping)});y(B,"afterSetScale",function(){this.series.forEach(function(a){a.hasProcessed=!1})});B.prototype.getGroupPixelWidth=function(){var a=this.series,c=a.length,b,d=0,e=!1,f;for(b=c;b--;)(f=a[b].options.dataGrouping)&&
(d=Math.max(d,G(f.groupPixelWidth,z.groupPixelWidth)));for(b=c;b--;)(f=a[b].options.dataGrouping)&&a[b].hasProcessed&&(c=(a[b].processedXData||a[b].data).length,a[b].groupPixelWidth||c>this.chart.plotSizeX/d||c&&f.forced)&&(e=!0);return e?d:0};B.prototype.setDataGrouping=function(a,c){var b;c=G(c,!0);a||(a={forced:!1,units:null});if(this instanceof B)for(b=this.series.length;b--;)this.series[b].update({dataGrouping:a},!1);else this.chart.options.series.forEach(function(b){b.dataGrouping=a},!1);this.ordinal&&
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