\n {t(\"Widgets.UnknownMessage\", { name: name })}\n
\n\n
y||a.autoRotation&&(t.styles||{}).width)F=y;F&&(this.shortenLabel?this.shortenLabel():(G.width=Math.floor(F)+\"px\",(e.style||{}).textOverflow||(G.textOverflow=\"ellipsis\"),t.css(G)))};f.prototype.moveLabel=function(c,a){var f=this,g=f.label,l=f.axis,m=l.reversed,q=!1;g&&g.textStr===c?(f.movedLabel=g,q=!0,delete f.label):e(l.ticks,function(a){q||\na.isNew||a===f||!a.label||a.label.textStr!==c||(f.movedLabel=a.label,q=!0,a.labelPos=f.movedLabel.xy,delete a.label)});if(!q&&(f.labelPos||g)){var t=f.labelPos||g.xy;g=l.horiz?m?0:l.width+l.left:t.x;l=l.horiz?t.y:m?l.width+l.left:0;f.movedLabel=f.createLabel({x:g,y:l},c,a);f.movedLabel&&f.movedLabel.attr({opacity:0})}};f.prototype.render=function(a,c,e){var f=this.axis,g=f.horiz,k=this.pos,q=l(this.tickmarkOffset,f.tickmarkOffset);k=this.getPosition(g,k,q,c);q=k.x;var t=k.y;f=g&&q===f.pos+f.len||\n!g&&t===f.pos?-1:1;g=l(e,this.label&&this.label.newOpacity,1);e=l(e,1);this.isActive=!0;this.renderGridLine(c,e,f);this.renderMark(k,e,f);this.renderLabel(k,c,g,a);this.isNew=!1;m(this,\"afterRender\")};f.prototype.renderGridLine=function(c,a,e){var f=this.axis,g=f.options,k={},m=this.pos,t=this.type,h=l(this.tickmarkOffset,f.tickmarkOffset),d=f.chart.renderer,b=this.gridLine,p=g.gridLineWidth,G=g.gridLineColor,y=g.gridLineDashStyle;\"minor\"===this.type&&(p=g.minorGridLineWidth,G=g.minorGridLineColor,\ny=g.minorGridLineDashStyle);b||(f.chart.styledMode||(k.stroke=G,k[\"stroke-width\"]=p||0,k.dashstyle=y),t||(k.zIndex=1),c&&(a=0),this.gridLine=b=d.path().attr(k).addClass(\"highcharts-\"+(t?t+\"-\":\"\")+\"grid-line\").add(f.gridGroup));if(b&&(e=f.getPlotLinePath({value:m+h,lineWidth:b.strokeWidth()*e,force:\"pass\",old:c})))b[c||this.isNew?\"attr\":\"animate\"]({d:e,opacity:a})};f.prototype.renderMark=function(c,a,e){var f=this.axis,g=f.options,k=f.chart.renderer,m=this.type,t=f.tickSize(m?m+\"Tick\":\"tick\"),h=c.x;\nc=c.y;var d=l(g[\"minor\"!==m?\"tickWidth\":\"minorTickWidth\"],!m&&f.isXAxis?1:0);g=g[\"minor\"!==m?\"tickColor\":\"minorTickColor\"];var b=this.mark,p=!b;t&&(f.opposite&&(t[0]=-t[0]),b||(this.mark=b=k.path().addClass(\"highcharts-\"+(m?m+\"-\":\"\")+\"tick\").add(f.axisGroup),f.chart.styledMode||b.attr({stroke:g,\"stroke-width\":d})),b[p?\"attr\":\"animate\"]({d:this.getMarkPath(h,c,t[0],b.strokeWidth()*e,f.horiz,k),opacity:a}))};f.prototype.renderLabel=function(c,a,e,f){var k=this.axis,m=k.horiz,q=k.options,t=this.label,\nh=q.labels,d=h.step;k=l(this.tickmarkOffset,k.tickmarkOffset);var b=c.x;c=c.y;var p=!0;t&&g(b)&&(t.xy=c=this.getLabelPosition(b,c,t,m,h,k,f,d),this.isFirst&&!this.isLast&&!q.showFirstLabel||this.isLast&&!this.isFirst&&!q.showLastLabel?p=!1:!m||h.step||h.rotation||a||0===e||this.handleOverflow(c),d&&f%d&&(p=!1),p&&g(c.y)?(c.opacity=e,t[this.isNewLabel?\"attr\":\"animate\"](c),this.isNewLabel=!1):(t.attr(\"y\",-9999),this.isNewLabel=!0))};f.prototype.replaceMovedLabel=function(){var c=this.label,a=this.axis,\ne=a.reversed;if(c&&!this.isNew){var f=a.horiz?e?a.left:a.width+a.left:c.xy.x;e=a.horiz?c.xy.y:e?a.width+a.top:a.top;c.animate({x:f,y:e,opacity:0},void 0,c.destroy);delete this.label}a.isDirty=!0;this.label=this.movedLabel;delete this.movedLabel};return f}();\"\";return w});M(a,\"Core/Axis/Axis.js\",[a[\"Core/Animation/AnimationUtilities.js\"],a[\"Core/Axis/AxisDefaults.js\"],a[\"Core/Color/Color.js\"],a[\"Core/Color/Palette.js\"],a[\"Core/DefaultOptions.js\"],a[\"Core/Foundation.js\"],a[\"Core/Globals.js\"],a[\"Core/Axis/Tick.js\"],\na[\"Core/Utilities.js\"]],function(a,w,C,E,z,x,J,u,n){var m=a.animObject,g=z.defaultOptions,c=x.registerEventOptions,e=J.deg2rad,l=n.arrayMax,f=n.arrayMin,v=n.clamp,q=n.correctFloat,k=n.defined,r=n.destroyObjectProperties,D=n.erase,B=n.error,O=n.extend,t=n.fireEvent,h=n.getMagnitude,d=n.isArray,b=n.isNumber,p=n.isString,G=n.merge,y=n.normalizeTickInterval,L=n.objectEach,F=n.pick,P=n.relativeLength,S=n.removeEvent,Q=n.splat,V=n.syncTimeout;a=function(){function a(b,a){this.zoomEnabled=this.width=this.visible=\nthis.userOptions=this.translationSlope=this.transB=this.transA=this.top=this.ticks=this.tickRotCorr=this.tickPositions=this.tickmarkOffset=this.tickInterval=this.tickAmount=this.side=this.series=this.right=this.positiveValuesOnly=this.pos=this.pointRangePadding=this.pointRange=this.plotLinesAndBandsGroups=this.plotLinesAndBands=this.paddedTicks=this.overlap=this.options=this.offset=this.names=this.minPixelPadding=this.minorTicks=this.minorTickInterval=this.min=this.maxLabelLength=this.max=this.len=\nthis.left=this.labelFormatter=this.labelEdge=this.isLinked=this.height=this.hasVisibleSeries=this.hasNames=this.eventOptions=this.coll=this.closestPointRange=this.chart=this.categories=this.bottom=this.alternateBands=void 0;this.init(b,a)}a.prototype.init=function(a,d){var h=d.isX;this.chart=a;this.horiz=a.inverted&&!this.isZAxis?!h:h;this.isXAxis=h;this.coll=this.coll||(h?\"xAxis\":\"yAxis\");t(this,\"init\",{userOptions:d});this.opposite=F(d.opposite,this.opposite);this.side=F(d.side,this.side,this.horiz?\nthis.opposite?0:2:this.opposite?1:3);this.setOptions(d);var e=this.options,f=e.labels,p=e.type;this.userOptions=d;this.minPixelPadding=0;this.reversed=F(e.reversed,this.reversed);this.visible=e.visible;this.zoomEnabled=e.zoomEnabled;this.hasNames=\"category\"===p||!0===e.categories;this.categories=e.categories||this.hasNames;this.names||(this.names=[],this.names.keys={});this.plotLinesAndBandsGroups={};this.positiveValuesOnly=!!this.logarithmic;this.isLinked=k(e.linkedTo);this.ticks={};this.labelEdge=\n[];this.minorTicks={};this.plotLinesAndBands=[];this.alternateBands={};this.len=0;this.minRange=this.userMinRange=e.minRange||e.maxZoom;this.range=e.range;this.offset=e.offset||0;this.min=this.max=null;d=F(e.crosshair,Q(a.options.tooltip.crosshairs)[h?0:1]);this.crosshair=!0===d?{}:d;-1===a.axes.indexOf(this)&&(h?a.axes.splice(a.xAxis.length,0,this):a.axes.push(this),a[this.coll].push(this));this.series=this.series||[];a.inverted&&!this.isZAxis&&h&&\"undefined\"===typeof this.reversed&&(this.reversed=\n!0);this.labelRotation=b(f.rotation)?f.rotation:void 0;c(this,e);t(this,\"afterInit\")};a.prototype.setOptions=function(b){this.options=G(w.defaultXAxisOptions,\"yAxis\"===this.coll&&w.defaultYAxisOptions,[w.defaultTopAxisOptions,w.defaultRightAxisOptions,w.defaultBottomAxisOptions,w.defaultLeftAxisOptions][this.side],G(g[this.coll],b));t(this,\"afterSetOptions\",{userOptions:b})};a.prototype.defaultLabelFormatter=function(a){var d=this.axis;a=this.chart.numberFormatter;var c=b(this.value)?this.value:NaN,\ne=d.chart.time,h=this.dateTimeLabelFormat,f=g.lang,p=f.numericSymbols;f=f.numericSymbolMagnitude||1E3;var H=d.logarithmic?Math.abs(c):d.tickInterval,y=p&&p.length;if(d.categories)var k=\"\"+this.value;else if(h)k=e.dateFormat(h,c);else if(y&&1E3<=H)for(;y--&&\"undefined\"===typeof k;)d=Math.pow(f,y+1),H>=d&&0===10*c%d&&null!==p[y]&&0!==c&&(k=a(c/d,-1)+p[y]);\"undefined\"===typeof k&&(k=1E4<=Math.abs(c)?a(c,-1):a(c,-1,void 0,\"\"));return k};a.prototype.getSeriesExtremes=function(){var a=this,d=a.chart,c;\nt(this,\"getSeriesExtremes\",null,function(){a.hasVisibleSeries=!1;a.dataMin=a.dataMax=a.threshold=null;a.softThreshold=!a.isXAxis;a.stacking&&a.stacking.buildStacks();a.series.forEach(function(e){if(e.visible||!d.options.chart.ignoreHiddenSeries){var h=e.options,f=h.threshold;a.hasVisibleSeries=!0;a.positiveValuesOnly&&0>=f&&(f=null);if(a.isXAxis){if(h=e.xData,h.length){h=a.logarithmic?h.filter(a.validatePositiveValue):h;c=e.getXExtremes(h);var p=c.min;var g=c.max;b(p)||p instanceof Date||(h=h.filter(b),\nc=e.getXExtremes(h),p=c.min,g=c.max);h.length&&(a.dataMin=Math.min(F(a.dataMin,p),p),a.dataMax=Math.max(F(a.dataMax,g),g))}}else if(e=e.applyExtremes(),b(e.dataMin)&&(p=e.dataMin,a.dataMin=Math.min(F(a.dataMin,p),p)),b(e.dataMax)&&(g=e.dataMax,a.dataMax=Math.max(F(a.dataMax,g),g)),k(f)&&(a.threshold=f),!h.softThreshold||a.positiveValuesOnly)a.softThreshold=!1}})});t(this,\"afterGetSeriesExtremes\")};a.prototype.translate=function(a,d,c,e,h,f){var p=this.linkedParent||this,g=e&&p.old?p.old.min:p.min,\nH=p.minPixelPadding;h=(p.isOrdinal||p.brokenAxis&&p.brokenAxis.hasBreaks||p.logarithmic&&h)&&p.lin2val;var K=1,y=0;e=e&&p.old?p.old.transA:p.transA;e||(e=p.transA);c&&(K*=-1,y=p.len);p.reversed&&(K*=-1,y-=K*(p.sector||p.len));d?(a=(a*K+y-H)/e+g,h&&(a=p.lin2val(a))):(h&&(a=p.val2lin(a)),a=b(g)?K*(a-g)*e+y+K*H+(b(f)?e*f:0):void 0);return a};a.prototype.toPixels=function(b,a){return this.translate(b,!1,!this.horiz,null,!0)+(a?0:this.pos)};a.prototype.toValue=function(b,a){return this.translate(b-(a?\n0:this.pos),!0,!this.horiz,null,!0)};a.prototype.getPlotLinePath=function(a){function d(b,a,d){if(\"pass\"!==m&&bd)m?b=v(b,a,d):r=!0;return b}var c=this,e=c.chart,h=c.left,f=c.top,p=a.old,g=a.value,H=a.lineWidth,y=p&&e.oldChartHeight||e.chartHeight,k=p&&e.oldChartWidth||e.chartWidth,G=c.transB,l=a.translatedValue,m=a.force,L,q,n,B,r;a={value:g,lineWidth:H,old:p,force:m,acrossPanes:a.acrossPanes,translatedValue:l};t(this,\"getPlotLinePath\",a,function(a){l=F(l,c.translate(g,null,null,p));l=v(l,-1E5,\n1E5);L=n=Math.round(l+G);q=B=Math.round(y-l-G);b(l)?c.horiz?(q=f,B=y-c.bottom,L=n=d(L,h,h+c.width)):(L=h,n=k-c.right,q=B=d(q,f,f+c.height)):(r=!0,m=!1);a.path=r&&!m?null:e.renderer.crispLine([[\"M\",L,q],[\"L\",n,B]],H||1)});return a.path};a.prototype.getLinearTickPositions=function(b,a,d){var c=q(Math.floor(a/b)*b);d=q(Math.ceil(d/b)*b);var e=[],h;q(c+b)===c&&(h=20);if(this.single)return[a];for(a=c;a<=d;){e.push(a);a=q(a+b,h);if(a===f)break;var f=a}return e};a.prototype.getMinorTickInterval=function(){var b=\nthis.options;return!0===b.minorTicks?F(b.minorTickInterval,\"auto\"):!1===b.minorTicks?null:b.minorTickInterval};a.prototype.getMinorTickPositions=function(){var b=this.options,a=this.tickPositions,d=this.minorTickInterval,c=this.pointRangePadding||0,e=this.min-c;c=this.max+c;var h=c-e,f=[];if(h&&h/d n)g=[],k=[];else if(this.yData&&(g[0] n)){var q=this.cropData(this.xData,this.yData,p,n);g=q.xData;k=q.yData;f=q.start;q=!0}for(c=g.length||1;--c;)if(b=d?a(g[c])-a(g[c-1]):g[c]-g[c-1],0b&&l&&!m&&(G(15,!1,this.chart),l=!1);return{xData:g,yData:k,cropped:q,cropStart:f,closestPointRange:t}};a.prototype.processData=function(a){var b=this.xAxis;if(this.isCartesian&&\n!this.isDirty&&!b.isDirty&&!this.yAxis.isDirty&&!a)return!1;a=this.getProcessedData();this.cropped=a.cropped;this.cropStart=a.cropStart;this.processedXData=a.xData;this.processedYData=a.yData;this.closestPointRange=this.basePointRange=a.closestPointRange};a.prototype.cropData=function(a,b,d,c,e){var h=a.length,f,g=0,k=h;e=K(e,this.cropShoulder);for(f=0;f
',\npointFormat:\"x: {point.x}
y: {point.y}
\"}});return m}(w);J(E.prototype,{drawTracker:a.prototype.drawTracker,sorted:!1,requireSorting:!1,noSharedTooltip:!0,trackerGroups:[\"group\",\"markerGroup\",\"dataLabelsGroup\"],takeOrdinalPosition:!1});x(E,\"afterTranslate\",function(){this.applyJitter()});C.registerSeriesType(\"scatter\",E);\"\";return E});M(a,\"Mixins/CenteredSeries.js\",[a[\"Core/Globals.js\"],a[\"Core/Series/Series.js\"],a[\"Core/Utilities.js\"]],function(a,w,C){var r=C.isNumber,z=C.pick,\nx=C.relativeLength,J=a.deg2rad;return a.CenteredSeriesMixin={getCenter:function(){var a=this.options,n=this.chart,m=2*(a.slicedOffset||0),g=n.plotWidth-2*m,c=n.plotHeight-2*m,e=a.center,l=Math.min(g,c),f=a.size,r=a.innerSize||0;\"string\"===typeof f&&(f=parseFloat(f));\"string\"===typeof r&&(r=parseFloat(r));a=[z(e[0],\"50%\"),z(e[1],\"50%\"),z(f&&0>f?void 0:a.size,\"100%\"),z(r&&0>r?void 0:a.innerSize||0,\"0%\")];!n.angular||this instanceof w||(a[3]=0);for(e=0;4>e;++e)f=a[e],n=2>e||2===e&&/%$/.test(f),a[e]=\nx(f,[g,c,l,a[2]][e])+(n?m:0);a[3]>a[2]&&(a[3]=a[2]);return a},getStartAndEndRadians:function(a,n){a=r(a)?a:0;n=r(n)&&n>a&&360>n-a?n:a+360;return{start:J*(a+-90),end:J*(n+-90)}}}});M(a,\"Series/Pie/PiePoint.js\",[a[\"Core/Animation/AnimationUtilities.js\"],a[\"Core/Series/Point.js\"],a[\"Core/Utilities.js\"]],function(a,w,C){var r=this&&this.__extends||function(){var a=function(c,e){a=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(a,c){a.__proto__=c}||function(a,c){for(var e in c)c.hasOwnProperty(e)&&\n(a[e]=c[e])};return a(c,e)};return function(c,e){function g(){this.constructor=c}a(c,e);c.prototype=null===e?Object.create(e):(g.prototype=e.prototype,new g)}}(),z=a.setAnimation,x=C.addEvent,J=C.defined;a=C.extend;var u=C.isNumber,n=C.pick,m=C.relativeLength;w=function(a){function c(){var c=null!==a&&a.apply(this,arguments)||this;c.labelDistance=void 0;c.options=void 0;c.series=void 0;return c}r(c,a);c.prototype.getConnectorPath=function(){var a=this.labelPosition,c=this.series.options.dataLabels,\nf=this.connectorShapes,g=c.connectorShape;f[g]&&(g=f[g]);return g.call(this,{x:a.final.x,y:a.final.y,alignment:a.alignment},a.connectorPosition,c)};c.prototype.getTranslate=function(){return this.sliced?this.slicedTranslation:{translateX:0,translateY:0}};c.prototype.haloPath=function(a){var c=this.shapeArgs;return this.sliced||!this.visible?[]:this.series.chart.renderer.symbols.arc(c.x,c.y,c.r+a,c.r+a,{innerR:c.r-1,start:c.start,end:c.end})};c.prototype.init=function(){var c=this;a.prototype.init.apply(this,\narguments);this.name=n(this.name,\"Slice\");var g=function(a){c.slice(\"select\"===a.type)};x(this,\"select\",g);x(this,\"unselect\",g);return this};c.prototype.isValid=function(){return u(this.y)&&0<=this.y};c.prototype.setVisible=function(a,c){var e=this,g=this.series,l=g.chart,k=g.options.ignoreHiddenPoint;c=n(c,k);a!==this.visible&&(this.visible=this.options.visible=a=\"undefined\"===typeof a?!this.visible:a,g.options.data[g.data.indexOf(this)]=this.options,[\"graphic\",\"dataLabel\",\"connector\",\"shadowGroup\"].forEach(function(c){if(e[c])e[c][a?\n\"show\":\"hide\"](a)}),this.legendItem&&l.legend.colorizeItem(this,a),a||\"hover\"!==this.state||this.setState(\"\"),k&&(g.isDirty=!0),c&&l.redraw())};c.prototype.slice=function(a,c,f){var e=this.series;z(f,e.chart);n(c,!0);this.sliced=this.options.sliced=J(a)?a:!this.sliced;e.options.data[e.data.indexOf(this)]=this.options;this.graphic&&this.graphic.animate(this.getTranslate());this.shadowGroup&&this.shadowGroup.animate(this.getTranslate())};return c}(w);a(w.prototype,{connectorShapes:{fixedOffset:function(a,\nc,e){var g=c.breakAt;c=c.touchingSliceAt;return[[\"M\",a.x,a.y],e.softConnector?[\"C\",a.x+(\"left\"===a.alignment?-5:5),a.y,2*g.x-c.x,2*g.y-c.y,g.x,g.y]:[\"L\",g.x,g.y],[\"L\",c.x,c.y]]},straight:function(a,c){c=c.touchingSliceAt;return[[\"M\",a.x,a.y],[\"L\",c.x,c.y]]},crookedLine:function(a,c,e){c=c.touchingSliceAt;var g=this.series,f=g.center[0],n=g.chart.plotWidth,r=g.chart.plotLeft;g=a.alignment;var k=this.shapeArgs.r;e=m(e.crookDistance,1);n=\"left\"===g?f+k+(n+r-f-k)*(1-e):r+(f-k)*e;e=[\"L\",n,a.y];f=!0;if(\"left\"===\ng?n>a.x||n
\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nexport default function update() {\n // if popper is destroyed, don't perform any further update\n if (this.state.isDestroyed) {\n return;\n }\n\n let data = {\n instance: this,\n styles: {},\n arrowStyles: {},\n attributes: {},\n flipped: false,\n offsets: {},\n };\n\n // compute reference element offsets\n data.offsets.reference = getReferenceOffsets(\n this.state,\n this.popper,\n this.reference,\n this.options.positionFixed\n );\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n data.placement = computeAutoPlacement(\n this.options.placement,\n data.offsets.reference,\n this.popper,\n this.reference,\n this.options.modifiers.flip.boundariesElement,\n this.options.modifiers.flip.padding\n );\n\n // store the computed placement inside `originalPlacement`\n data.originalPlacement = data.placement;\n\n data.positionFixed = this.options.positionFixed;\n\n // compute the popper offsets\n data.offsets.popper = getPopperOffsets(\n this.popper,\n data.offsets.reference,\n data.placement\n );\n\n data.offsets.popper.position = this.options.positionFixed\n ? 'fixed'\n : 'absolute';\n\n // run the modifiers\n data = runModifiers(this.modifiers, data);\n\n // the first `update` will call `onCreate` callback\n // the other ones will call `onUpdate` callback\n if (!this.state.isCreated) {\n this.state.isCreated = true;\n this.options.onCreate(data);\n } else {\n this.options.onUpdate(data);\n }\n}\n","/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nexport default function isModifierEnabled(modifiers, modifierName) {\n return modifiers.some(\n ({ name, enabled }) => enabled && name === modifierName\n );\n}\n","/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nexport default function getSupportedPropertyName(property) {\n const prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n const upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n for (let i = 0; i < prefixes.length; i++) {\n const prefix = prefixes[i];\n const toCheck = prefix ? `${prefix}${upperProp}` : property;\n if (typeof document.body.style[toCheck] !== 'undefined') {\n return toCheck;\n }\n }\n return null;\n}\n","import isModifierEnabled from '../utils/isModifierEnabled';\nimport getSupportedPropertyName from '../utils/getSupportedPropertyName';\n\n/**\n * Destroys the popper.\n * @method\n * @memberof Popper\n */\nexport default function destroy() {\n this.state.isDestroyed = true;\n\n // touch DOM only if `applyStyle` modifier is enabled\n if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n this.popper.removeAttribute('x-placement');\n this.popper.style.position = '';\n this.popper.style.top = '';\n this.popper.style.left = '';\n this.popper.style.right = '';\n this.popper.style.bottom = '';\n this.popper.style.willChange = '';\n this.popper.style[getSupportedPropertyName('transform')] = '';\n }\n\n this.disableEventListeners();\n\n // remove the popper if user explicitly asked for the deletion on destroy\n // do not use `remove` because IE11 doesn't support it\n if (this.options.removeOnDestroy) {\n this.popper.parentNode.removeChild(this.popper);\n }\n return this;\n}\n","/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nexport default function getWindow(element) {\n const ownerDocument = element.ownerDocument;\n return ownerDocument ? ownerDocument.defaultView : window;\n}\n","import getScrollParent from './getScrollParent';\nimport getWindow from './getWindow';\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n const isBody = scrollParent.nodeName === 'BODY';\n const target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n target.addEventListener(event, callback, { passive: true });\n\n if (!isBody) {\n attachToScrollParents(\n getScrollParent(target.parentNode),\n event,\n callback,\n scrollParents\n );\n }\n scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nexport default function setupEventListeners(\n reference,\n options,\n state,\n updateBound\n) {\n // Resize event listener on window\n state.updateBound = updateBound;\n getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n // Scroll event listener on scroll parents\n const scrollElement = getScrollParent(reference);\n attachToScrollParents(\n scrollElement,\n 'scroll',\n state.updateBound,\n state.scrollParents\n );\n state.scrollElement = scrollElement;\n state.eventsEnabled = true;\n\n return state;\n}\n","import setupEventListeners from '../utils/setupEventListeners';\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nexport default function enableEventListeners() {\n if (!this.state.eventsEnabled) {\n this.state = setupEventListeners(\n this.reference,\n this.options,\n this.state,\n this.scheduleUpdate\n );\n }\n}\n","import removeEventListeners from '../utils/removeEventListeners';\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger `onUpdate` callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nexport default function disableEventListeners() {\n if (this.state.eventsEnabled) {\n cancelAnimationFrame(this.scheduleUpdate);\n this.state = removeEventListeners(this.reference, this.state);\n }\n}\n","import getWindow from './getWindow';\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nexport default function removeEventListeners(reference, state) {\n // Remove resize event listener on window\n getWindow(reference).removeEventListener('resize', state.updateBound);\n\n // Remove scroll event listener on scroll parents\n state.scrollParents.forEach(target => {\n target.removeEventListener('scroll', state.updateBound);\n });\n\n // Reset state\n state.updateBound = null;\n state.scrollParents = [];\n state.scrollElement = null;\n state.eventsEnabled = false;\n return state;\n}\n","/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nexport default function isNumeric(n) {\n return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n","import isNumeric from './isNumeric';\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nexport default function setStyles(element, styles) {\n Object.keys(styles).forEach(prop => {\n let unit = '';\n // add unit if the value is numeric and is one of the following\n if (\n ['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !==\n -1 &&\n isNumeric(styles[prop])\n ) {\n unit = 'px';\n }\n element.style[prop] = styles[prop] + unit;\n });\n}\n","import getSupportedPropertyName from '../utils/getSupportedPropertyName';\nimport find from '../utils/find';\nimport getOffsetParent from '../utils/getOffsetParent';\nimport getBoundingClientRect from '../utils/getBoundingClientRect';\nimport getRoundedOffsets from '../utils/getRoundedOffsets';\nimport isBrowser from '../utils/isBrowser';\n\nconst isFirefox = isBrowser && /Firefox/i.test(navigator.userAgent);\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function computeStyle(data, options) {\n const { x, y } = options;\n const { popper } = data.offsets;\n\n // Remove this legacy support in Popper.js v2\n const legacyGpuAccelerationOption = find(\n data.instance.modifiers,\n modifier => modifier.name === 'applyStyle'\n ).gpuAcceleration;\n if (legacyGpuAccelerationOption !== undefined) {\n console.warn(\n 'WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!'\n );\n }\n const gpuAcceleration =\n legacyGpuAccelerationOption !== undefined\n ? legacyGpuAccelerationOption\n : options.gpuAcceleration;\n\n const offsetParent = getOffsetParent(data.instance.popper);\n const offsetParentRect = getBoundingClientRect(offsetParent);\n\n // Styles\n const styles = {\n position: popper.position,\n };\n\n const offsets = getRoundedOffsets(\n data,\n window.devicePixelRatio < 2 || !isFirefox\n );\n\n const sideA = x === 'bottom' ? 'top' : 'bottom';\n const sideB = y === 'right' ? 'left' : 'right';\n\n // if gpuAcceleration is set to `true` and transform is supported,\n // we use `translate3d` to apply the position to the popper we\n // automatically use the supported prefixed version if needed\n const prefixedProperty = getSupportedPropertyName('transform');\n\n // now, let's make a step back and look at this code closely (wtf?)\n // If the content of the popper grows once it's been positioned, it\n // may happen that the popper gets misplaced because of the new content\n // overflowing its reference element\n // To avoid this problem, we provide two options (x and y), which allow\n // the consumer to define the offset origin.\n // If we position a popper on top of a reference element, we can set\n // `x` to `top` to make the popper grow towards its top instead of\n // its bottom.\n let left, top;\n if (sideA === 'bottom') {\n // when offsetParent is the positioning is relative to the bottom of the screen (excluding the scrollbar)\n // and not the bottom of the html element\n if (offsetParent.nodeName === 'HTML') {\n top = -offsetParent.clientHeight + offsets.bottom;\n } else {\n top = -offsetParentRect.height + offsets.bottom;\n }\n } else {\n top = offsets.top;\n }\n if (sideB === 'right') {\n if (offsetParent.nodeName === 'HTML') {\n left = -offsetParent.clientWidth + offsets.right;\n } else {\n left = -offsetParentRect.width + offsets.right;\n }\n } else {\n left = offsets.left;\n }\n if (gpuAcceleration && prefixedProperty) {\n styles[prefixedProperty] = `translate3d(${left}px, ${top}px, 0)`;\n styles[sideA] = 0;\n styles[sideB] = 0;\n styles.willChange = 'transform';\n } else {\n // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n const invertTop = sideA === 'bottom' ? -1 : 1;\n const invertLeft = sideB === 'right' ? -1 : 1;\n styles[sideA] = top * invertTop;\n styles[sideB] = left * invertLeft;\n styles.willChange = `${sideA}, ${sideB}`;\n }\n\n // Attributes\n const attributes = {\n 'x-placement': data.placement,\n };\n\n // Update `data` attributes, styles and arrowStyles\n data.attributes = { ...attributes, ...data.attributes };\n data.styles = { ...styles, ...data.styles };\n data.arrowStyles = { ...data.offsets.arrow, ...data.arrowStyles };\n\n return data;\n}\n","import find from './find';\n\n/**\n * Helper used to know if the given modifier depends from another one.
\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nexport default function isModifierRequired(\n modifiers,\n requestingName,\n requestedName\n) {\n const requesting = find(modifiers, ({ name }) => name === requestingName);\n\n const isRequired =\n !!requesting &&\n modifiers.some(modifier => {\n return (\n modifier.name === requestedName &&\n modifier.enabled &&\n modifier.order < requesting.order\n );\n });\n\n if (!isRequired) {\n const requesting = `\\`${requestingName}\\``;\n const requested = `\\`${requestedName}\\``;\n console.warn(\n `${requested} modifier is required by ${requesting} modifier in order to work, be sure to include it before ${requesting}!`\n );\n }\n return isRequired;\n}\n","/**\n * List of accepted placements to use as values of the `placement` option.
\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.
\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-end` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nexport default [\n 'auto-start',\n 'auto',\n 'auto-end',\n 'top-start',\n 'top',\n 'top-end',\n 'right-start',\n 'right',\n 'right-end',\n 'bottom-end',\n 'bottom',\n 'bottom-start',\n 'left-end',\n 'left',\n 'left-start',\n];\n","import placements from '../methods/placements';\n\n// Get rid of `auto` `auto-start` and `auto-end`\nconst validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nexport default function clockwise(placement, counter = false) {\n const index = validPlacements.indexOf(placement);\n const arr = validPlacements\n .slice(index + 1)\n .concat(validPlacements.slice(0, index));\n return counter ? arr.reverse() : arr;\n}\n","import getOppositePlacement from '../utils/getOppositePlacement';\nimport getOppositeVariation from '../utils/getOppositeVariation';\nimport getPopperOffsets from '../utils/getPopperOffsets';\nimport runModifiers from '../utils/runModifiers';\nimport getBoundaries from '../utils/getBoundaries';\nimport isModifierEnabled from '../utils/isModifierEnabled';\nimport clockwise from '../utils/clockwise';\n\nconst BEHAVIORS = {\n FLIP: 'flip',\n CLOCKWISE: 'clockwise',\n COUNTERCLOCKWISE: 'counterclockwise',\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function flip(data, options) {\n // if `inner` modifier is enabled, we can't use the `flip` modifier\n if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n return data;\n }\n\n if (data.flipped && data.placement === data.originalPlacement) {\n // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n return data;\n }\n\n const boundaries = getBoundaries(\n data.instance.popper,\n data.instance.reference,\n options.padding,\n options.boundariesElement,\n data.positionFixed\n );\n\n let placement = data.placement.split('-')[0];\n let placementOpposite = getOppositePlacement(placement);\n let variation = data.placement.split('-')[1] || '';\n\n let flipOrder = [];\n\n switch (options.behavior) {\n case BEHAVIORS.FLIP:\n flipOrder = [placement, placementOpposite];\n break;\n case BEHAVIORS.CLOCKWISE:\n flipOrder = clockwise(placement);\n break;\n case BEHAVIORS.COUNTERCLOCKWISE:\n flipOrder = clockwise(placement, true);\n break;\n default:\n flipOrder = options.behavior;\n }\n\n flipOrder.forEach((step, index) => {\n if (placement !== step || flipOrder.length === index + 1) {\n return data;\n }\n\n placement = data.placement.split('-')[0];\n placementOpposite = getOppositePlacement(placement);\n\n const popperOffsets = data.offsets.popper;\n const refOffsets = data.offsets.reference;\n\n // using floor because the reference offsets may contain decimals we are not going to consider here\n const floor = Math.floor;\n const overlapsRef =\n (placement === 'left' &&\n floor(popperOffsets.right) > floor(refOffsets.left)) ||\n (placement === 'right' &&\n floor(popperOffsets.left) < floor(refOffsets.right)) ||\n (placement === 'top' &&\n floor(popperOffsets.bottom) > floor(refOffsets.top)) ||\n (placement === 'bottom' &&\n floor(popperOffsets.top) < floor(refOffsets.bottom));\n\n const overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n const overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n const overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n const overflowsBottom =\n floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n const overflowsBoundaries =\n (placement === 'left' && overflowsLeft) ||\n (placement === 'right' && overflowsRight) ||\n (placement === 'top' && overflowsTop) ||\n (placement === 'bottom' && overflowsBottom);\n\n // flip the variation if required\n const isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n\n // flips variation if reference element overflows boundaries\n const flippedVariationByRef =\n !!options.flipVariations &&\n ((isVertical && variation === 'start' && overflowsLeft) ||\n (isVertical && variation === 'end' && overflowsRight) ||\n (!isVertical && variation === 'start' && overflowsTop) ||\n (!isVertical && variation === 'end' && overflowsBottom));\n\n // flips variation if popper content overflows boundaries\n const flippedVariationByContent =\n !!options.flipVariationsByContent &&\n ((isVertical && variation === 'start' && overflowsRight) ||\n (isVertical && variation === 'end' && overflowsLeft) ||\n (!isVertical && variation === 'start' && overflowsBottom) ||\n (!isVertical && variation === 'end' && overflowsTop));\n\n const flippedVariation = flippedVariationByRef || flippedVariationByContent;\n\n if (overlapsRef || overflowsBoundaries || flippedVariation) {\n // this boolean to detect any flip loop\n data.flipped = true;\n\n if (overlapsRef || overflowsBoundaries) {\n placement = flipOrder[index + 1];\n }\n\n if (flippedVariation) {\n variation = getOppositeVariation(variation);\n }\n\n data.placement = placement + (variation ? '-' + variation : '');\n\n // this object contains `position`, we want to preserve it along with\n // any additional property we may add in the future\n data.offsets.popper = {\n ...data.offsets.popper,\n ...getPopperOffsets(\n data.instance.popper,\n data.offsets.reference,\n data.placement\n ),\n };\n\n data = runModifiers(data.instance.modifiers, data, 'flip');\n }\n });\n return data;\n}\n","import isNumeric from '../utils/isNumeric';\nimport getClientRect from '../utils/getClientRect';\nimport find from '../utils/find';\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nexport function toValue(str, measurement, popperOffsets, referenceOffsets) {\n // separate value from unit\n const split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n const value = +split[1];\n const unit = split[2];\n\n // If it's not a number it's an operator, I guess\n if (!value) {\n return str;\n }\n\n if (unit.indexOf('%') === 0) {\n let element;\n switch (unit) {\n case '%p':\n element = popperOffsets;\n break;\n case '%':\n case '%r':\n default:\n element = referenceOffsets;\n }\n\n const rect = getClientRect(element);\n return rect[measurement] / 100 * value;\n } else if (unit === 'vh' || unit === 'vw') {\n // if is a vh or vw, we calculate the size based on the viewport\n let size;\n if (unit === 'vh') {\n size = Math.max(\n document.documentElement.clientHeight,\n window.innerHeight || 0\n );\n } else {\n size = Math.max(\n document.documentElement.clientWidth,\n window.innerWidth || 0\n );\n }\n return size / 100 * value;\n } else {\n // if is an explicit pixel unit, we get rid of the unit and keep the value\n // if is an implicit unit, it's px, and we return just the value\n return value;\n }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nexport function parseOffset(\n offset,\n popperOffsets,\n referenceOffsets,\n basePlacement\n) {\n const offsets = [0, 0];\n\n // Use height if placement is left or right and index is 0 otherwise use width\n // in this way the first offset will use an axis and the second one\n // will use the other one\n const useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n // Split the offset string to obtain a list of values and operands\n // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n const fragments = offset.split(/(\\+|\\-)/).map(frag => frag.trim());\n\n // Detect if the offset string contains a pair of values or a single one\n // they could be separated by comma or space\n const divider = fragments.indexOf(\n find(fragments, frag => frag.search(/,|\\s/) !== -1)\n );\n\n if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n console.warn(\n 'Offsets separated by white space(s) are deprecated, use a comma (,) instead.'\n );\n }\n\n // If divider is found, we divide the list of values and operands to divide\n // them by ofset X and Y.\n const splitRegex = /\\s*,\\s*|\\s+/;\n let ops = divider !== -1\n ? [\n fragments\n .slice(0, divider)\n .concat([fragments[divider].split(splitRegex)[0]]),\n [fragments[divider].split(splitRegex)[1]].concat(\n fragments.slice(divider + 1)\n ),\n ]\n : [fragments];\n\n // Convert the values with units to absolute pixels to allow our computations\n ops = ops.map((op, index) => {\n // Most of the units rely on the orientation of the popper\n const measurement = (index === 1 ? !useHeight : useHeight)\n ? 'height'\n : 'width';\n let mergeWithPrevious = false;\n return (\n op\n // This aggregates any `+` or `-` sign that aren't considered operators\n // e.g.: 10 + +5 => [10, +, +5]\n .reduce((a, b) => {\n if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n a[a.length - 1] = b;\n mergeWithPrevious = true;\n return a;\n } else if (mergeWithPrevious) {\n a[a.length - 1] += b;\n mergeWithPrevious = false;\n return a;\n } else {\n return a.concat(b);\n }\n }, [])\n // Here we convert the string values into number values (in px)\n .map(str => toValue(str, measurement, popperOffsets, referenceOffsets))\n );\n });\n\n // Loop trough the offsets arrays and execute the operations\n ops.forEach((op, index) => {\n op.forEach((frag, index2) => {\n if (isNumeric(frag)) {\n offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n }\n });\n });\n return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nexport default function offset(data, { offset }) {\n const { placement, offsets: { popper, reference } } = data;\n const basePlacement = placement.split('-')[0];\n\n let offsets;\n if (isNumeric(+offset)) {\n offsets = [+offset, 0];\n } else {\n offsets = parseOffset(offset, popper, reference, basePlacement);\n }\n\n if (basePlacement === 'left') {\n popper.top += offsets[0];\n popper.left -= offsets[1];\n } else if (basePlacement === 'right') {\n popper.top += offsets[0];\n popper.left += offsets[1];\n } else if (basePlacement === 'top') {\n popper.left += offsets[0];\n popper.top -= offsets[1];\n } else if (basePlacement === 'bottom') {\n popper.left += offsets[0];\n popper.top += offsets[1];\n }\n\n data.popper = popper;\n return data;\n}\n","import applyStyle, { applyStyleOnLoad } from './applyStyle';\nimport computeStyle from './computeStyle';\nimport arrow from './arrow';\nimport flip from './flip';\nimport keepTogether from './keepTogether';\nimport offset from './offset';\nimport preventOverflow from './preventOverflow';\nimport shift from './shift';\nimport hide from './hide';\nimport inner from './inner';\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.
\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.
\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nexport default {\n /**\n * Modifier used to shift the popper on the start or end of its reference\n * element.
\n * It will read the variation of the `placement` property.
\n * It can be one either `-end` or `-start`.\n * @memberof modifiers\n * @inner\n */\n shift: {\n /** @prop {number} order=100 - Index used to define the order of execution */\n order: 100,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: shift,\n },\n\n /**\n * The `offset` modifier can shift your popper on both its axis.\n *\n * It accepts the following units:\n * - `px` or unit-less, interpreted as pixels\n * - `%` or `%r`, percentage relative to the length of the reference element\n * - `%p`, percentage relative to the length of the popper element\n * - `vw`, CSS viewport width unit\n * - `vh`, CSS viewport height unit\n *\n * For length is intended the main axis relative to the placement of the popper.
\n * This means that if the placement is `top` or `bottom`, the length will be the\n * `width`. In case of `left` or `right`, it will be the `height`.\n *\n * You can provide a single value (as `Number` or `String`), or a pair of values\n * as `String` divided by a comma or one (or more) white spaces.
\n * The latter is a deprecated method because it leads to confusion and will be\n * removed in v2.
\n * Additionally, it accepts additions and subtractions between different units.\n * Note that multiplications and divisions aren't supported.\n *\n * Valid examples are:\n * ```\n * 10\n * '10%'\n * '10, 10'\n * '10%, 10'\n * '10 + 10%'\n * '10 - 5vh + 3%'\n * '-10px + 5vh, 5px - 6%'\n * ```\n * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n * > You can read more on this at this [issue](https://github.com/FezVrasta/popper.js/issues/373).\n *\n * @memberof modifiers\n * @inner\n */\n offset: {\n /** @prop {number} order=200 - Index used to define the order of execution */\n order: 200,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: offset,\n /** @prop {Number|String} offset=0\n * The offset value as described in the modifier description\n */\n offset: 0,\n },\n\n /**\n * Modifier used to prevent the popper from being positioned outside the boundary.\n *\n * A scenario exists where the reference itself is not within the boundaries.
\n * We can say it has \"escaped the boundaries\" — or just \"escaped\".
\n * In this case we need to decide whether the popper should either:\n *\n * - detach from the reference and remain \"trapped\" in the boundaries, or\n * - if it should ignore the boundary and \"escape with its reference\"\n *\n * When `escapeWithReference` is set to`true` and reference is completely\n * outside its boundaries, the popper will overflow (or completely leave)\n * the boundaries in order to remain attached to the edge of the reference.\n *\n * @memberof modifiers\n * @inner\n */\n preventOverflow: {\n /** @prop {number} order=300 - Index used to define the order of execution */\n order: 300,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: preventOverflow,\n /**\n * @prop {Array} [priority=['left','right','top','bottom']]\n * Popper will try to prevent overflow following these priorities by default,\n * then, it could overflow on the left and on top of the `boundariesElement`\n */\n priority: ['left', 'right', 'top', 'bottom'],\n /**\n * @prop {number} padding=5\n * Amount of pixel used to define a minimum distance between the boundaries\n * and the popper. This makes sure the popper always has a little padding\n * between the edges of its container\n */\n padding: 5,\n /**\n * @prop {String|HTMLElement} boundariesElement='scrollParent'\n * Boundaries used by the modifier. Can be `scrollParent`, `window`,\n * `viewport` or any DOM element.\n */\n boundariesElement: 'scrollParent',\n },\n\n /**\n * Modifier used to make sure the reference and its popper stay near each other\n * without leaving any gap between the two. Especially useful when the arrow is\n * enabled and you want to ensure that it points to its reference element.\n * It cares only about the first axis. You can still have poppers with margin\n * between the popper and its reference element.\n * @memberof modifiers\n * @inner\n */\n keepTogether: {\n /** @prop {number} order=400 - Index used to define the order of execution */\n order: 400,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: keepTogether,\n },\n\n /**\n * This modifier is used to move the `arrowElement` of the popper to make\n * sure it is positioned between the reference element and its popper element.\n * It will read the outer size of the `arrowElement` node to detect how many\n * pixels of conjunction are needed.\n *\n * It has no effect if no `arrowElement` is provided.\n * @memberof modifiers\n * @inner\n */\n arrow: {\n /** @prop {number} order=500 - Index used to define the order of execution */\n order: 500,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: arrow,\n /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n element: '[x-arrow]',\n },\n\n /**\n * Modifier used to flip the popper's placement when it starts to overlap its\n * reference element.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n *\n * **NOTE:** this modifier will interrupt the current update cycle and will\n * restart it if it detects the need to flip the placement.\n * @memberof modifiers\n * @inner\n */\n flip: {\n /** @prop {number} order=600 - Index used to define the order of execution */\n order: 600,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: flip,\n /**\n * @prop {String|Array} behavior='flip'\n * The behavior used to change the popper's placement. It can be one of\n * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n * placements (with optional variations)\n */\n behavior: 'flip',\n /**\n * @prop {number} padding=5\n * The popper will flip if it hits the edges of the `boundariesElement`\n */\n padding: 5,\n /**\n * @prop {String|HTMLElement} boundariesElement='viewport'\n * The element which will define the boundaries of the popper position.\n * The popper will never be placed outside of the defined boundaries\n * (except if `keepTogether` is enabled)\n */\n boundariesElement: 'viewport',\n /**\n * @prop {Boolean} flipVariations=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the reference element overlaps its boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariations: false,\n /**\n * @prop {Boolean} flipVariationsByContent=false\n * The popper will switch placement variation between `-start` and `-end` when\n * the popper element overlaps its reference boundaries.\n *\n * The original placement should have a set variation.\n */\n flipVariationsByContent: false,\n },\n\n /**\n * Modifier used to make the popper flow toward the inner of the reference element.\n * By default, when this modifier is disabled, the popper will be placed outside\n * the reference element.\n * @memberof modifiers\n * @inner\n */\n inner: {\n /** @prop {number} order=700 - Index used to define the order of execution */\n order: 700,\n /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n enabled: false,\n /** @prop {ModifierFn} */\n fn: inner,\n },\n\n /**\n * Modifier used to hide the popper when its reference element is outside of the\n * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n * be used to hide with a CSS selector the popper when its reference is\n * out of boundaries.\n *\n * Requires the `preventOverflow` modifier before it in order to work.\n * @memberof modifiers\n * @inner\n */\n hide: {\n /** @prop {number} order=800 - Index used to define the order of execution */\n order: 800,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: hide,\n },\n\n /**\n * Computes the style that will be applied to the popper element to gets\n * properly positioned.\n *\n * Note that this modifier will not touch the DOM, it just prepares the styles\n * so that `applyStyle` modifier can apply it. This separation is useful\n * in case you need to replace `applyStyle` with a custom implementation.\n *\n * This modifier has `850` as `order` value to maintain backward compatibility\n * with previous versions of Popper.js. Expect the modifiers ordering method\n * to change in future major versions of the library.\n *\n * @memberof modifiers\n * @inner\n */\n computeStyle: {\n /** @prop {number} order=850 - Index used to define the order of execution */\n order: 850,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: computeStyle,\n /**\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: true,\n /**\n * @prop {string} [x='bottom']\n * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n * Change this if your popper should grow in a direction different from `bottom`\n */\n x: 'bottom',\n /**\n * @prop {string} [x='left']\n * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n * Change this if your popper should grow in a direction different from `right`\n */\n y: 'right',\n },\n\n /**\n * Applies the computed styles to the popper element.\n *\n * All the DOM manipulations are limited to this modifier. This is useful in case\n * you want to integrate Popper.js inside a framework or view library and you\n * want to delegate all the DOM manipulations to it.\n *\n * Note that if you disable this modifier, you must make sure the popper element\n * has its position set to `absolute` before Popper.js can do its work!\n *\n * Just disable this modifier and define your own to achieve the desired effect.\n *\n * @memberof modifiers\n * @inner\n */\n applyStyle: {\n /** @prop {number} order=900 - Index used to define the order of execution */\n order: 900,\n /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n enabled: true,\n /** @prop {ModifierFn} */\n fn: applyStyle,\n /** @prop {Function} */\n onLoad: applyStyleOnLoad,\n /**\n * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n * @prop {Boolean} gpuAcceleration=true\n * If true, it uses the CSS 3D transformation to position the popper.\n * Otherwise, it will use the `top` and `left` properties\n */\n gpuAcceleration: undefined,\n },\n};\n\n/**\n * The `dataObject` is an object containing all the information used by Popper.js.\n * This object is passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow. It expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n","import modifiers from '../modifiers/index';\n\n/**\n * Default options provided to Popper.js constructor.
\n * These can be overridden using the `options` argument of Popper.js.
\n * To override an option, simply pass an object with the same\n * structure of the `options` object, as the 3rd argument. For example:\n * ```\n * new Popper(ref, pop, {\n * modifiers: {\n * preventOverflow: { enabled: false }\n * }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nexport default {\n /**\n * Popper's placement.\n * @prop {Popper.placements} placement='bottom'\n */\n placement: 'bottom',\n\n /**\n * Set this to true if you want popper to position it self in 'fixed' mode\n * @prop {Boolean} positionFixed=false\n */\n positionFixed: false,\n\n /**\n * Whether events (resize, scroll) are initially enabled.\n * @prop {Boolean} eventsEnabled=true\n */\n eventsEnabled: true,\n\n /**\n * Set to true if you want to automatically remove the popper when\n * you call the `destroy` method.\n * @prop {Boolean} removeOnDestroy=false\n */\n removeOnDestroy: false,\n\n /**\n * Callback called when the popper is created.
\n * By default, it is set to no-op.
\n * Access Popper.js instance with `data.instance`.\n * @prop {onCreate}\n */\n onCreate: () => {},\n\n /**\n * Callback called when the popper is updated. This callback is not called\n * on the initialization/creation of the popper, but only on subsequent\n * updates.
\n * By default, it is set to no-op.
\n * Access Popper.js instance with `data.instance`.\n * @prop {onUpdate}\n */\n onUpdate: () => {},\n\n /**\n * List of modifiers used to modify the offsets before they are applied to the popper.\n * They provide most of the functionalities of Popper.js.\n * @prop {modifiers}\n */\n modifiers,\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n","/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function shift(data) {\n const placement = data.placement;\n const basePlacement = placement.split('-')[0];\n const shiftvariation = placement.split('-')[1];\n\n // if shift shiftvariation is specified, run the modifier\n if (shiftvariation) {\n const { reference, popper } = data.offsets;\n const isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n const side = isVertical ? 'left' : 'top';\n const measurement = isVertical ? 'width' : 'height';\n\n const shiftOffsets = {\n start: { [side]: reference[side] },\n end: {\n [side]: reference[side] + reference[measurement] - popper[measurement],\n },\n };\n\n data.offsets.popper = { ...popper, ...shiftOffsets[shiftvariation] };\n }\n\n return data;\n}\n","import getOffsetParent from '../utils/getOffsetParent';\nimport getBoundaries from '../utils/getBoundaries';\nimport getSupportedPropertyName from '../utils/getSupportedPropertyName';\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function preventOverflow(data, options) {\n let boundariesElement =\n options.boundariesElement || getOffsetParent(data.instance.popper);\n\n // If offsetParent is the reference element, we really want to\n // go one step up and use the next offsetParent as reference to\n // avoid to make this modifier completely useless and look like broken\n if (data.instance.reference === boundariesElement) {\n boundariesElement = getOffsetParent(boundariesElement);\n }\n\n // NOTE: DOM access here\n // resets the popper's position so that the document size can be calculated excluding\n // the size of the popper element itself\n const transformProp = getSupportedPropertyName('transform');\n const popperStyles = data.instance.popper.style; // assignment to help minification\n const { top, left, [transformProp]: transform } = popperStyles;\n popperStyles.top = '';\n popperStyles.left = '';\n popperStyles[transformProp] = '';\n\n const boundaries = getBoundaries(\n data.instance.popper,\n data.instance.reference,\n options.padding,\n boundariesElement,\n data.positionFixed\n );\n\n // NOTE: DOM access here\n // restores the original style properties after the offsets have been computed\n popperStyles.top = top;\n popperStyles.left = left;\n popperStyles[transformProp] = transform;\n\n options.boundaries = boundaries;\n\n const order = options.priority;\n let popper = data.offsets.popper;\n\n const check = {\n primary(placement) {\n let value = popper[placement];\n if (\n popper[placement] < boundaries[placement] &&\n !options.escapeWithReference\n ) {\n value = Math.max(popper[placement], boundaries[placement]);\n }\n return { [placement]: value };\n },\n secondary(placement) {\n const mainSide = placement === 'right' ? 'left' : 'top';\n let value = popper[mainSide];\n if (\n popper[placement] > boundaries[placement] &&\n !options.escapeWithReference\n ) {\n value = Math.min(\n popper[mainSide],\n boundaries[placement] -\n (placement === 'right' ? popper.width : popper.height)\n );\n }\n return { [mainSide]: value };\n },\n };\n\n order.forEach(placement => {\n const side =\n ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n popper = { ...popper, ...check[side](placement) };\n });\n\n data.offsets.popper = popper;\n\n return data;\n}\n","/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function keepTogether(data) {\n const { popper, reference } = data.offsets;\n const placement = data.placement.split('-')[0];\n const floor = Math.floor;\n const isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n const side = isVertical ? 'right' : 'bottom';\n const opSide = isVertical ? 'left' : 'top';\n const measurement = isVertical ? 'width' : 'height';\n\n if (popper[side] < floor(reference[opSide])) {\n data.offsets.popper[opSide] =\n floor(reference[opSide]) - popper[measurement];\n }\n if (popper[opSide] > floor(reference[side])) {\n data.offsets.popper[opSide] = floor(reference[side]);\n }\n\n return data;\n}\n","import getClientRect from '../utils/getClientRect';\nimport getOuterSizes from '../utils/getOuterSizes';\nimport isModifierRequired from '../utils/isModifierRequired';\nimport getStyleComputedProperty from '../utils/getStyleComputedProperty';\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function arrow(data, options) {\n // arrow depends on keepTogether in order to work\n if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n return data;\n }\n\n let arrowElement = options.element;\n\n // if arrowElement is a string, suppose it's a CSS selector\n if (typeof arrowElement === 'string') {\n arrowElement = data.instance.popper.querySelector(arrowElement);\n\n // if arrowElement is not found, don't run the modifier\n if (!arrowElement) {\n return data;\n }\n } else {\n // if the arrowElement isn't a query selector we must check that the\n // provided DOM node is child of its popper node\n if (!data.instance.popper.contains(arrowElement)) {\n console.warn(\n 'WARNING: `arrow.element` must be child of its popper element!'\n );\n return data;\n }\n }\n\n const placement = data.placement.split('-')[0];\n const { popper, reference } = data.offsets;\n const isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n const len = isVertical ? 'height' : 'width';\n const sideCapitalized = isVertical ? 'Top' : 'Left';\n const side = sideCapitalized.toLowerCase();\n const altSide = isVertical ? 'left' : 'top';\n const opSide = isVertical ? 'bottom' : 'right';\n const arrowElementSize = getOuterSizes(arrowElement)[len];\n\n //\n // extends keepTogether behavior making sure the popper and its\n // reference have enough pixels in conjunction\n //\n\n // top/left side\n if (reference[opSide] - arrowElementSize < popper[side]) {\n data.offsets.popper[side] -=\n popper[side] - (reference[opSide] - arrowElementSize);\n }\n // bottom/right side\n if (reference[side] + arrowElementSize > popper[opSide]) {\n data.offsets.popper[side] +=\n reference[side] + arrowElementSize - popper[opSide];\n }\n data.offsets.popper = getClientRect(data.offsets.popper);\n\n // compute center of the popper\n const center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n // Compute the sideValue using the updated popper offsets\n // take popper margin in account because we don't have this info available\n const css = getStyleComputedProperty(data.instance.popper);\n const popperMarginSide = parseFloat(css[`margin${sideCapitalized}`]);\n const popperBorderSide = parseFloat(css[`border${sideCapitalized}Width`]);\n let sideValue =\n center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;\n\n // prevent arrowElement from being placed not contiguously to its popper\n sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n data.arrowElement = arrowElement;\n data.offsets.arrow = {\n [side]: Math.round(sideValue),\n [altSide]: '', // make sure to unset any eventual altSide value from the DOM node\n };\n\n return data;\n}\n","/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nexport default function getOppositeVariation(variation) {\n if (variation === 'end') {\n return 'start';\n } else if (variation === 'start') {\n return 'end';\n }\n return variation;\n}\n","import getClientRect from '../utils/getClientRect';\nimport getOppositePlacement from '../utils/getOppositePlacement';\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function inner(data) {\n const placement = data.placement;\n const basePlacement = placement.split('-')[0];\n const { popper, reference } = data.offsets;\n const isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n const subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n popper[isHoriz ? 'left' : 'top'] =\n reference[basePlacement] -\n (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n data.placement = getOppositePlacement(placement);\n data.offsets.popper = getClientRect(popper);\n\n return data;\n}\n","import isModifierRequired from '../utils/isModifierRequired';\nimport find from '../utils/find';\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nexport default function hide(data) {\n if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n return data;\n }\n\n const refRect = data.offsets.reference;\n const bound = find(\n data.instance.modifiers,\n modifier => modifier.name === 'preventOverflow'\n ).boundaries;\n\n if (\n refRect.bottom < bound.top ||\n refRect.left > bound.right ||\n refRect.top > bound.bottom ||\n refRect.right < bound.left\n ) {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === true) {\n return data;\n }\n\n data.hide = true;\n data.attributes['x-out-of-boundaries'] = '';\n } else {\n // Avoid unnecessary DOM access if visibility hasn't changed\n if (data.hide === false) {\n return data;\n }\n\n data.hide = false;\n data.attributes['x-out-of-boundaries'] = false;\n }\n\n return data;\n}\n","/**\n * @function\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Boolean} shouldRound - If the offsets should be rounded at all\n * @returns {Object} The popper's position offsets rounded\n *\n * The tale of pixel-perfect positioning. It's still not 100% perfect, but as\n * good as it can be within reason.\n * Discussion here: https://github.com/FezVrasta/popper.js/pull/715\n *\n * Low DPI screens cause a popper to be blurry if not using full pixels (Safari\n * as well on High DPI screens).\n *\n * Firefox prefers no rounding for positioning and does not have blurriness on\n * high DPI screens.\n *\n * Only horizontal placement and left/right values need to be considered.\n */\nexport default function getRoundedOffsets(data, shouldRound) {\n const { popper, reference } = data.offsets;\n const { round, floor } = Math;\n const noRound = v => v;\n \n const referenceWidth = round(reference.width);\n const popperWidth = round(popper.width);\n \n const isVertical = ['left', 'right'].indexOf(data.placement) !== -1;\n const isVariation = data.placement.indexOf('-') !== -1;\n const sameWidthParity = referenceWidth % 2 === popperWidth % 2;\n const bothOddWidth = referenceWidth % 2 === 1 && popperWidth % 2 === 1;\n\n const horizontalToInteger = !shouldRound\n ? noRound\n : isVertical || isVariation || sameWidthParity\n ? round\n : floor;\n const verticalToInteger = !shouldRound ? noRound : round;\n\n return {\n left: horizontalToInteger(\n bothOddWidth && !isVariation && shouldRound\n ? popper.left - 1\n : popper.left\n ),\n top: verticalToInteger(popper.top),\n bottom: verticalToInteger(popper.bottom),\n right: horizontalToInteger(popper.right),\n };\n}\n","import setStyles from '../utils/setStyles';\nimport setAttributes from '../utils/setAttributes';\nimport getReferenceOffsets from '../utils/getReferenceOffsets';\nimport computeAutoPlacement from '../utils/computeAutoPlacement';\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nexport default function applyStyle(data) {\n // any property present in `data.styles` will be applied to the popper,\n // in this way we can make the 3rd party modifiers add custom styles to it\n // Be aware, modifiers could override the properties defined in the previous\n // lines of this modifier!\n setStyles(data.instance.popper, data.styles);\n\n // any property present in `data.attributes` will be applied to the popper,\n // they will be set as HTML attributes of the element\n setAttributes(data.instance.popper, data.attributes);\n\n // if arrowElement is defined and arrowStyles has some properties\n if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n setStyles(data.arrowElement, data.arrowStyles);\n }\n\n return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper\n * @param {Object} options - Popper.js options\n */\nexport function applyStyleOnLoad(\n reference,\n popper,\n options,\n modifierOptions,\n state\n) {\n // compute reference element offsets\n const referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n const placement = computeAutoPlacement(\n options.placement,\n referenceOffsets,\n popper,\n reference,\n options.modifiers.flip.boundariesElement,\n options.modifiers.flip.padding\n );\n\n popper.setAttribute('x-placement', placement);\n\n // Apply `position` to popper before anything else because\n // without the position applied we can't guarantee correct computations\n setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });\n\n return options;\n}\n","/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nexport default function setAttributes(element, attributes) {\n Object.keys(attributes).forEach(function(prop) {\n const value = attributes[prop];\n if (value !== false) {\n element.setAttribute(prop, attributes[prop]);\n } else {\n element.removeAttribute(prop);\n }\n });\n}\n","// Utils\nimport debounce from './utils/debounce';\nimport isFunction from './utils/isFunction';\n\n// Methods\nimport update from './methods/update';\nimport destroy from './methods/destroy';\nimport enableEventListeners from './methods/enableEventListeners';\nimport disableEventListeners from './methods/disableEventListeners';\nimport Defaults from './methods/defaults';\nimport placements from './methods/placements';\n\nexport default class Popper {\n /**\n * Creates a new Popper.js instance.\n * @class Popper\n * @param {Element|referenceObject} reference - The reference element used to position the popper\n * @param {Element} popper - The HTML / XML element used as the popper\n * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n * @return {Object} instance - The generated Popper.js instance\n */\n constructor(reference, popper, options = {}) {\n // make update() debounced, so that it only runs at most once-per-tick\n this.update = debounce(this.update.bind(this));\n\n // with {} we create a new object with the options inside it\n this.options = { ...Popper.Defaults, ...options };\n\n // init state\n this.state = {\n isDestroyed: false,\n isCreated: false,\n scrollParents: [],\n };\n\n // get reference and popper elements (allow jQuery wrappers)\n this.reference = reference && reference.jquery ? reference[0] : reference;\n this.popper = popper && popper.jquery ? popper[0] : popper;\n\n // Deep merge modifiers options\n this.options.modifiers = {};\n Object.keys({\n ...Popper.Defaults.modifiers,\n ...options.modifiers,\n }).forEach(name => {\n this.options.modifiers[name] = {\n // If it's a built-in modifier, use it as base\n ...(Popper.Defaults.modifiers[name] || {}),\n // If there are custom options, override and merge with default ones\n ...(options.modifiers ? options.modifiers[name] : {}),\n };\n });\n\n // Refactoring modifiers' list (Object => Array)\n this.modifiers = Object.keys(this.options.modifiers)\n .map(name => ({\n name,\n ...this.options.modifiers[name],\n }))\n // sort the modifiers by order\n .sort((a, b) => a.order - b.order);\n\n // modifiers have the ability to execute arbitrary code when Popper.js get inited\n // such code is executed in the same order of its modifier\n // they could add new properties to their options configuration\n // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n this.modifiers.forEach(modifierOptions => {\n if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n modifierOptions.onLoad(\n this.reference,\n this.popper,\n this.options,\n modifierOptions,\n this.state\n );\n }\n });\n\n // fire the first update to position the popper in the right place\n this.update();\n\n const eventsEnabled = this.options.eventsEnabled;\n if (eventsEnabled) {\n // setup event listeners, they will take care of update the position in specific situations\n this.enableEventListeners();\n }\n\n this.state.eventsEnabled = eventsEnabled;\n }\n\n // We can't use class properties because they don't get listed in the\n // class prototype and break stuff like Sinon stubs\n update() {\n return update.call(this);\n }\n destroy() {\n return destroy.call(this);\n }\n enableEventListeners() {\n return enableEventListeners.call(this);\n }\n disableEventListeners() {\n return disableEventListeners.call(this);\n }\n\n /**\n * Schedules an update. It will run on the next UI update available.\n * @method scheduleUpdate\n * @memberof Popper\n */\n scheduleUpdate = () => requestAnimationFrame(this.update);\n\n /**\n * Collection of utilities useful when writing custom modifiers.\n * Starting from version 1.7, this method is available only if you\n * include `popper-utils.js` before `popper.js`.\n *\n * **DEPRECATION**: This way to access PopperUtils is deprecated\n * and will be removed in v2! Use the PopperUtils module directly instead.\n * Due to the high instability of the methods contained in Utils, we can't\n * guarantee them to follow semver. Use them at your own risk!\n * @static\n * @private\n * @type {Object}\n * @deprecated since version 1.8\n * @member Utils\n * @memberof Popper\n */\n static Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\n\n static placements = placements;\n\n static Defaults = Defaults;\n}\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.
\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10.\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n","'use strict';\n\nexports.__esModule = true;\n\nvar _react = require('react');\n\nvar _react2 = _interopRequireDefault(_react);\n\nvar _implementation = require('./implementation');\n\nvar _implementation2 = _interopRequireDefault(_implementation);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = _react2.default.createContext || _implementation2.default;\nmodule.exports = exports['default'];","module.exports = require(\"./build/ReactGridLayout\").default;\nmodule.exports.utils = require(\"./build/utils\");\nmodule.exports.Responsive = require(\"./build/ResponsiveReactGridLayout\").default;\nmodule.exports.Responsive.utils = require(\"./build/responsiveUtils\");\nmodule.exports.WidthProvider = require(\"./build/components/WidthProvider\").default;\n","export default function(defs) {\n defs('EPSG:4326', \"+title=WGS 84 (long/lat) +proj=longlat +ellps=WGS84 +datum=WGS84 +units=degrees\");\n defs('EPSG:4269', \"+title=NAD83 (long/lat) +proj=longlat +a=6378137.0 +b=6356752.31414036 +ellps=GRS80 +datum=NAD83 +units=degrees\");\n defs('EPSG:3857', \"+title=WGS 84 / Pseudo-Mercator +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs\");\n\n defs.WGS84 = defs['EPSG:4326'];\n defs['EPSG:3785'] = defs['EPSG:3857']; // maintain backward compat, official code is 3857\n defs.GOOGLE = defs['EPSG:3857'];\n defs['EPSG:900913'] = defs['EPSG:3857'];\n defs['EPSG:102113'] = defs['EPSG:3857'];\n}\n","export var PJD_3PARAM = 1;\nexport var PJD_7PARAM = 2;\nexport var PJD_GRIDSHIFT = 3;\nexport var PJD_WGS84 = 4; // WGS84 or equivalent\nexport var PJD_NODATUM = 5; // WGS84 or equivalent\nexport var SRS_WGS84_SEMIMAJOR = 6378137.0; // only used in grid shift transforms\nexport var SRS_WGS84_SEMIMINOR = 6356752.314; // only used in grid shift transforms\nexport var SRS_WGS84_ESQUARED = 0.0066943799901413165; // only used in grid shift transforms\nexport var SEC_TO_RAD = 4.84813681109535993589914102357e-6;\nexport var HALF_PI = Math.PI/2;\n// ellipoid pj_set_ell.c\nexport var SIXTH = 0.1666666666666666667;\n/* 1/6 */\nexport var RA4 = 0.04722222222222222222;\n/* 17/360 */\nexport var RA6 = 0.02215608465608465608;\nexport var EPSLN = 1.0e-10;\n// you'd think you could use Number.EPSILON above but that makes\n// Mollweide get into an infinate loop.\n\nexport var D2R = 0.01745329251994329577;\nexport var R2D = 57.29577951308232088;\nexport var FORTPI = Math.PI/4;\nexport var TWO_PI = Math.PI * 2;\n// SPI is slightly greater than Math.PI, so values that exceed the -180..180\n// degree range by a tiny amount don't get wrapped. This prevents points that\n// have drifted from their original location along the 180th meridian (due to\n// floating point error) from changing their sign.\nexport var SPI = 3.14159265359;\n","var exports = {};\nexport {exports as default};\n\nexports.greenwich = 0.0; //\"0dE\",\nexports.lisbon = -9.131906111111; //\"9d07'54.862\\\"W\",\nexports.paris = 2.337229166667; //\"2d20'14.025\\\"E\",\nexports.bogota = -74.080916666667; //\"74d04'51.3\\\"W\",\nexports.madrid = -3.687938888889; //\"3d41'16.58\\\"W\",\nexports.rome = 12.452333333333; //\"12d27'8.4\\\"E\",\nexports.bern = 7.439583333333; //\"7d26'22.5\\\"E\",\nexports.jakarta = 106.807719444444; //\"106d48'27.79\\\"E\",\nexports.ferro = -17.666666666667; //\"17d40'W\",\nexports.brussels = 4.367975; //\"4d22'4.71\\\"E\",\nexports.stockholm = 18.058277777778; //\"18d3'29.8\\\"E\",\nexports.athens = 23.7163375; //\"23d42'58.815\\\"E\",\nexports.oslo = 10.722916666667; //\"10d43'22.5\\\"E\"\n","export default {\n ft: {to_meter: 0.3048},\n 'us-ft': {to_meter: 1200 / 3937}\n};\n","var ignoredChar = /[\\s_\\-\\/\\(\\)]/g;\nexport default function match(obj, key) {\n if (obj[key]) {\n return obj[key];\n }\n var keys = Object.keys(obj);\n var lkey = key.toLowerCase().replace(ignoredChar, '');\n var i = -1;\n var testkey, processedKey;\n while (++i < keys.length) {\n testkey = keys[i];\n processedKey = testkey.toLowerCase().replace(ignoredChar, '');\n if (processedKey === lkey) {\n return obj[testkey];\n }\n }\n}\n","import {D2R} from './constants/values';\nimport PrimeMeridian from './constants/PrimeMeridian';\nimport units from './constants/units';\nimport match from './match';\n\nexport default function(defData) {\n var self = {};\n var paramObj = defData.split('+').map(function(v) {\n return v.trim();\n }).filter(function(a) {\n return a;\n }).reduce(function(p, a) {\n var split = a.split('=');\n split.push(true);\n p[split[0].toLowerCase()] = split[1];\n return p;\n }, {});\n var paramName, paramVal, paramOutname;\n var params = {\n proj: 'projName',\n datum: 'datumCode',\n rf: function(v) {\n self.rf = parseFloat(v);\n },\n lat_0: function(v) {\n self.lat0 = v * D2R;\n },\n lat_1: function(v) {\n self.lat1 = v * D2R;\n },\n lat_2: function(v) {\n self.lat2 = v * D2R;\n },\n lat_ts: function(v) {\n self.lat_ts = v * D2R;\n },\n lon_0: function(v) {\n self.long0 = v * D2R;\n },\n lon_1: function(v) {\n self.long1 = v * D2R;\n },\n lon_2: function(v) {\n self.long2 = v * D2R;\n },\n alpha: function(v) {\n self.alpha = parseFloat(v) * D2R;\n },\n gamma: function(v) {\n self.rectified_grid_angle = parseFloat(v);\n },\n lonc: function(v) {\n self.longc = v * D2R;\n },\n x_0: function(v) {\n self.x0 = parseFloat(v);\n },\n y_0: function(v) {\n self.y0 = parseFloat(v);\n },\n k_0: function(v) {\n self.k0 = parseFloat(v);\n },\n k: function(v) {\n self.k0 = parseFloat(v);\n },\n a: function(v) {\n self.a = parseFloat(v);\n },\n b: function(v) {\n self.b = parseFloat(v);\n },\n r_a: function() {\n self.R_A = true;\n },\n zone: function(v) {\n self.zone = parseInt(v, 10);\n },\n south: function() {\n self.utmSouth = true;\n },\n towgs84: function(v) {\n self.datum_params = v.split(\",\").map(function(a) {\n return parseFloat(a);\n });\n },\n to_meter: function(v) {\n self.to_meter = parseFloat(v);\n },\n units: function(v) {\n self.units = v;\n var unit = match(units, v);\n if (unit) {\n self.to_meter = unit.to_meter;\n }\n },\n from_greenwich: function(v) {\n self.from_greenwich = v * D2R;\n },\n pm: function(v) {\n var pm = match(PrimeMeridian, v);\n self.from_greenwich = (pm ? pm : parseFloat(v)) * D2R;\n },\n nadgrids: function(v) {\n if (v === '@null') {\n self.datumCode = 'none';\n }\n else {\n self.nadgrids = v;\n }\n },\n axis: function(v) {\n var legalAxis = \"ewnsud\";\n if (v.length === 3 && legalAxis.indexOf(v.substr(0, 1)) !== -1 && legalAxis.indexOf(v.substr(1, 1)) !== -1 && legalAxis.indexOf(v.substr(2, 1)) !== -1) {\n self.axis = v;\n }\n },\n approx: function() {\n self.approx = true;\n }\n };\n for (paramName in paramObj) {\n paramVal = paramObj[paramName];\n if (paramName in params) {\n paramOutname = params[paramName];\n if (typeof paramOutname === 'function') {\n paramOutname(paramVal);\n }\n else {\n self[paramOutname] = paramVal;\n }\n }\n else {\n self[paramName] = paramVal;\n }\n }\n if(typeof self.datumCode === 'string' && self.datumCode !== \"WGS84\"){\n self.datumCode = self.datumCode.toLowerCase();\n }\n return self;\n}\n","export default parseString;\n\nvar NEUTRAL = 1;\nvar KEYWORD = 2;\nvar NUMBER = 3;\nvar QUOTED = 4;\nvar AFTERQUOTE = 5;\nvar ENDED = -1;\nvar whitespace = /\\s/;\nvar latin = /[A-Za-z]/;\nvar keyword = /[A-Za-z84]/;\nvar endThings = /[,\\]]/;\nvar digets = /[\\d\\.E\\-\\+]/;\n// const ignoredChar = /[\\s_\\-\\/\\(\\)]/g;\nfunction Parser(text) {\n if (typeof text !== 'string') {\n throw new Error('not a string');\n }\n this.text = text.trim();\n this.level = 0;\n this.place = 0;\n this.root = null;\n this.stack = [];\n this.currentObject = null;\n this.state = NEUTRAL;\n}\nParser.prototype.readCharicter = function() {\n var char = this.text[this.place++];\n if (this.state !== QUOTED) {\n while (whitespace.test(char)) {\n if (this.place >= this.text.length) {\n return;\n }\n char = this.text[this.place++];\n }\n }\n switch (this.state) {\n case NEUTRAL:\n return this.neutral(char);\n case KEYWORD:\n return this.keyword(char)\n case QUOTED:\n return this.quoted(char);\n case AFTERQUOTE:\n return this.afterquote(char);\n case NUMBER:\n return this.number(char);\n case ENDED:\n return;\n }\n};\nParser.prototype.afterquote = function(char) {\n if (char === '\"') {\n this.word += '\"';\n this.state = QUOTED;\n return;\n }\n if (endThings.test(char)) {\n this.word = this.word.trim();\n this.afterItem(char);\n return;\n }\n throw new Error('havn\\'t handled \"' +char + '\" in afterquote yet, index ' + this.place);\n};\nParser.prototype.afterItem = function(char) {\n if (char === ',') {\n if (this.word !== null) {\n this.currentObject.push(this.word);\n }\n this.word = null;\n this.state = NEUTRAL;\n return;\n }\n if (char === ']') {\n this.level--;\n if (this.word !== null) {\n this.currentObject.push(this.word);\n this.word = null;\n }\n this.state = NEUTRAL;\n this.currentObject = this.stack.pop();\n if (!this.currentObject) {\n this.state = ENDED;\n }\n\n return;\n }\n};\nParser.prototype.number = function(char) {\n if (digets.test(char)) {\n this.word += char;\n return;\n }\n if (endThings.test(char)) {\n this.word = parseFloat(this.word);\n this.afterItem(char);\n return;\n }\n throw new Error('havn\\'t handled \"' +char + '\" in number yet, index ' + this.place);\n};\nParser.prototype.quoted = function(char) {\n if (char === '\"') {\n this.state = AFTERQUOTE;\n return;\n }\n this.word += char;\n return;\n};\nParser.prototype.keyword = function(char) {\n if (keyword.test(char)) {\n this.word += char;\n return;\n }\n if (char === '[') {\n var newObjects = [];\n newObjects.push(this.word);\n this.level++;\n if (this.root === null) {\n this.root = newObjects;\n } else {\n this.currentObject.push(newObjects);\n }\n this.stack.push(this.currentObject);\n this.currentObject = newObjects;\n this.state = NEUTRAL;\n return;\n }\n if (endThings.test(char)) {\n this.afterItem(char);\n return;\n }\n throw new Error('havn\\'t handled \"' +char + '\" in keyword yet, index ' + this.place);\n};\nParser.prototype.neutral = function(char) {\n if (latin.test(char)) {\n this.word = char;\n this.state = KEYWORD;\n return;\n }\n if (char === '\"') {\n this.word = '';\n this.state = QUOTED;\n return;\n }\n if (digets.test(char)) {\n this.word = char;\n this.state = NUMBER;\n return;\n }\n if (endThings.test(char)) {\n this.afterItem(char);\n return;\n }\n throw new Error('havn\\'t handled \"' +char + '\" in neutral yet, index ' + this.place);\n};\nParser.prototype.output = function() {\n while (this.place < this.text.length) {\n this.readCharicter();\n }\n if (this.state === ENDED) {\n return this.root;\n }\n throw new Error('unable to parse string \"' +this.text + '\". State is ' + this.state);\n};\n\nfunction parseString(txt) {\n var parser = new Parser(txt);\n return parser.output();\n}\n","\n\nfunction mapit(obj, key, value) {\n if (Array.isArray(key)) {\n value.unshift(key);\n key = null;\n }\n var thing = key ? {} : obj;\n\n var out = value.reduce(function(newObj, item) {\n sExpr(item, newObj);\n return newObj\n }, thing);\n if (key) {\n obj[key] = out;\n }\n}\n\nexport function sExpr(v, obj) {\n if (!Array.isArray(v)) {\n obj[v] = true;\n return;\n }\n var key = v.shift();\n if (key === 'PARAMETER') {\n key = v.shift();\n }\n if (v.length === 1) {\n if (Array.isArray(v[0])) {\n obj[key] = {};\n sExpr(v[0], obj[key]);\n return;\n }\n obj[key] = v[0];\n return;\n }\n if (!v.length) {\n obj[key] = true;\n return;\n }\n if (key === 'TOWGS84') {\n obj[key] = v;\n return;\n }\n if (key === 'AXIS') {\n if (!(key in obj)) {\n obj[key] = [];\n }\n obj[key].push(v);\n return;\n }\n if (!Array.isArray(key)) {\n obj[key] = {};\n }\n\n var i;\n switch (key) {\n case 'UNIT':\n case 'PRIMEM':\n case 'VERT_DATUM':\n obj[key] = {\n name: v[0].toLowerCase(),\n convert: v[1]\n };\n if (v.length === 3) {\n sExpr(v[2], obj[key]);\n }\n return;\n case 'SPHEROID':\n case 'ELLIPSOID':\n obj[key] = {\n name: v[0],\n a: v[1],\n rf: v[2]\n };\n if (v.length === 4) {\n sExpr(v[3], obj[key]);\n }\n return;\n case 'PROJECTEDCRS':\n case 'PROJCRS':\n case 'GEOGCS':\n case 'GEOCCS':\n case 'PROJCS':\n case 'LOCAL_CS':\n case 'GEODCRS':\n case 'GEODETICCRS':\n case 'GEODETICDATUM':\n case 'EDATUM':\n case 'ENGINEERINGDATUM':\n case 'VERT_CS':\n case 'VERTCRS':\n case 'VERTICALCRS':\n case 'COMPD_CS':\n case 'COMPOUNDCRS':\n case 'ENGINEERINGCRS':\n case 'ENGCRS':\n case 'FITTED_CS':\n case 'LOCAL_DATUM':\n case 'DATUM':\n v[0] = ['name', v[0]];\n mapit(obj, key, v);\n return;\n default:\n i = -1;\n while (++i < v.length) {\n if (!Array.isArray(v[i])) {\n return sExpr(v, obj[key]);\n }\n }\n return mapit(obj, key, v);\n }\n}\n","var D2R = 0.01745329251994329577;\nimport parser from './parser';\nimport {sExpr} from './process';\n\n\n\nfunction rename(obj, params) {\n var outName = params[0];\n var inName = params[1];\n if (!(outName in obj) && (inName in obj)) {\n obj[outName] = obj[inName];\n if (params.length === 3) {\n obj[outName] = params[2](obj[outName]);\n }\n }\n}\n\nfunction d2r(input) {\n return input * D2R;\n}\n\nfunction cleanWKT(wkt) {\n if (wkt.type === 'GEOGCS') {\n wkt.projName = 'longlat';\n } else if (wkt.type === 'LOCAL_CS') {\n wkt.projName = 'identity';\n wkt.local = true;\n } else {\n if (typeof wkt.PROJECTION === 'object') {\n wkt.projName = Object.keys(wkt.PROJECTION)[0];\n } else {\n wkt.projName = wkt.PROJECTION;\n }\n }\n if (wkt.AXIS) {\n var axisOrder = '';\n for (var i = 0, ii = wkt.AXIS.length; i < ii; ++i) {\n var axis = [wkt.AXIS[i][0].toLowerCase(), wkt.AXIS[i][1].toLowerCase()];\n if (axis[0].indexOf('north') !== -1 || ((axis[0] === 'y' || axis[0] === 'lat') && axis[1] === 'north')) {\n axisOrder += 'n';\n } else if (axis[0].indexOf('south') !== -1 || ((axis[0] === 'y' || axis[0] === 'lat') && axis[1] === 'south')) {\n axisOrder += 's';\n } else if (axis[0].indexOf('east') !== -1 || ((axis[0] === 'x' || axis[0] === 'lon') && axis[1] === 'east')) {\n axisOrder += 'e';\n } else if (axis[0].indexOf('west') !== -1 || ((axis[0] === 'x' || axis[0] === 'lon') && axis[1] === 'west')) {\n axisOrder += 'w';\n }\n }\n if (axisOrder.length === 2) {\n axisOrder += 'u';\n }\n if (axisOrder.length === 3) {\n wkt.axis = axisOrder;\n }\n }\n if (wkt.UNIT) {\n wkt.units = wkt.UNIT.name.toLowerCase();\n if (wkt.units === 'metre') {\n wkt.units = 'meter';\n }\n if (wkt.UNIT.convert) {\n if (wkt.type === 'GEOGCS') {\n if (wkt.DATUM && wkt.DATUM.SPHEROID) {\n wkt.to_meter = wkt.UNIT.convert*wkt.DATUM.SPHEROID.a;\n }\n } else {\n wkt.to_meter = wkt.UNIT.convert;\n }\n }\n }\n var geogcs = wkt.GEOGCS;\n if (wkt.type === 'GEOGCS') {\n geogcs = wkt;\n }\n if (geogcs) {\n //if(wkt.GEOGCS.PRIMEM&&wkt.GEOGCS.PRIMEM.convert){\n // wkt.from_greenwich=wkt.GEOGCS.PRIMEM.convert*D2R;\n //}\n if (geogcs.DATUM) {\n wkt.datumCode = geogcs.DATUM.name.toLowerCase();\n } else {\n wkt.datumCode = geogcs.name.toLowerCase();\n }\n if (wkt.datumCode.slice(0, 2) === 'd_') {\n wkt.datumCode = wkt.datumCode.slice(2);\n }\n if (wkt.datumCode === 'new_zealand_geodetic_datum_1949' || wkt.datumCode === 'new_zealand_1949') {\n wkt.datumCode = 'nzgd49';\n }\n if (wkt.datumCode === 'wgs_1984' || wkt.datumCode === 'world_geodetic_system_1984') {\n if (wkt.PROJECTION === 'Mercator_Auxiliary_Sphere') {\n wkt.sphere = true;\n }\n wkt.datumCode = 'wgs84';\n }\n if (wkt.datumCode.slice(-6) === '_ferro') {\n wkt.datumCode = wkt.datumCode.slice(0, - 6);\n }\n if (wkt.datumCode.slice(-8) === '_jakarta') {\n wkt.datumCode = wkt.datumCode.slice(0, - 8);\n }\n if (~wkt.datumCode.indexOf('belge')) {\n wkt.datumCode = 'rnb72';\n }\n if (geogcs.DATUM && geogcs.DATUM.SPHEROID) {\n wkt.ellps = geogcs.DATUM.SPHEROID.name.replace('_19', '').replace(/[Cc]larke\\_18/, 'clrk');\n if (wkt.ellps.toLowerCase().slice(0, 13) === 'international') {\n wkt.ellps = 'intl';\n }\n\n wkt.a = geogcs.DATUM.SPHEROID.a;\n wkt.rf = parseFloat(geogcs.DATUM.SPHEROID.rf, 10);\n }\n\n if (geogcs.DATUM && geogcs.DATUM.TOWGS84) {\n wkt.datum_params = geogcs.DATUM.TOWGS84;\n }\n if (~wkt.datumCode.indexOf('osgb_1936')) {\n wkt.datumCode = 'osgb36';\n }\n if (~wkt.datumCode.indexOf('osni_1952')) {\n wkt.datumCode = 'osni52';\n }\n if (~wkt.datumCode.indexOf('tm65')\n || ~wkt.datumCode.indexOf('geodetic_datum_of_1965')) {\n wkt.datumCode = 'ire65';\n }\n if (wkt.datumCode === 'ch1903+') {\n wkt.datumCode = 'ch1903';\n }\n if (~wkt.datumCode.indexOf('israel')) {\n wkt.datumCode = 'isr93';\n }\n }\n if (wkt.b && !isFinite(wkt.b)) {\n wkt.b = wkt.a;\n }\n\n function toMeter(input) {\n var ratio = wkt.to_meter || 1;\n return input * ratio;\n }\n var renamer = function(a) {\n return rename(wkt, a);\n };\n var list = [\n ['standard_parallel_1', 'Standard_Parallel_1'],\n ['standard_parallel_1', 'Latitude of 1st standard parallel'],\n ['standard_parallel_2', 'Standard_Parallel_2'],\n ['standard_parallel_2', 'Latitude of 2nd standard parallel'],\n ['false_easting', 'False_Easting'],\n ['false_easting', 'False easting'],\n ['false-easting', 'Easting at false origin'],\n ['false_northing', 'False_Northing'],\n ['false_northing', 'False northing'],\n ['false_northing', 'Northing at false origin'],\n ['central_meridian', 'Central_Meridian'],\n ['central_meridian', 'Longitude of natural origin'],\n ['central_meridian', 'Longitude of false origin'],\n ['latitude_of_origin', 'Latitude_Of_Origin'],\n ['latitude_of_origin', 'Central_Parallel'],\n ['latitude_of_origin', 'Latitude of natural origin'],\n ['latitude_of_origin', 'Latitude of false origin'],\n ['scale_factor', 'Scale_Factor'],\n ['k0', 'scale_factor'],\n ['latitude_of_center', 'Latitude_Of_Center'],\n ['latitude_of_center', 'Latitude_of_center'],\n ['lat0', 'latitude_of_center', d2r],\n ['longitude_of_center', 'Longitude_Of_Center'],\n ['longitude_of_center', 'Longitude_of_center'],\n ['longc', 'longitude_of_center', d2r],\n ['x0', 'false_easting', toMeter],\n ['y0', 'false_northing', toMeter],\n ['long0', 'central_meridian', d2r],\n ['lat0', 'latitude_of_origin', d2r],\n ['lat0', 'standard_parallel_1', d2r],\n ['lat1', 'standard_parallel_1', d2r],\n ['lat2', 'standard_parallel_2', d2r],\n ['azimuth', 'Azimuth'],\n ['alpha', 'azimuth', d2r],\n ['srsCode', 'name']\n ];\n list.forEach(renamer);\n if (!wkt.long0 && wkt.longc && (wkt.projName === 'Albers_Conic_Equal_Area' || wkt.projName === 'Lambert_Azimuthal_Equal_Area')) {\n wkt.long0 = wkt.longc;\n }\n if (!wkt.lat_ts && wkt.lat1 && (wkt.projName === 'Stereographic_South_Pole' || wkt.projName === 'Polar Stereographic (variant B)')) {\n wkt.lat0 = d2r(wkt.lat1 > 0 ? 90 : -90);\n wkt.lat_ts = wkt.lat1;\n }\n}\nexport default function(wkt) {\n var lisp = parser(wkt);\n var type = lisp.shift();\n var name = lisp.shift();\n lisp.unshift(['name', name]);\n lisp.unshift(['type', type]);\n var obj = {};\n sExpr(lisp, obj);\n cleanWKT(obj);\n return obj;\n}\n","import globals from './global';\nimport parseProj from './projString';\nimport wkt from 'wkt-parser';\n\nfunction defs(name) {\n /*global console*/\n var that = this;\n if (arguments.length === 2) {\n var def = arguments[1];\n if (typeof def === 'string') {\n if (def.charAt(0) === '+') {\n defs[name] = parseProj(arguments[1]);\n }\n else {\n defs[name] = wkt(arguments[1]);\n }\n } else {\n defs[name] = def;\n }\n }\n else if (arguments.length === 1) {\n if (Array.isArray(name)) {\n return name.map(function(v) {\n if (Array.isArray(v)) {\n defs.apply(that, v);\n }\n else {\n defs(v);\n }\n });\n }\n else if (typeof name === 'string') {\n if (name in defs) {\n return defs[name];\n }\n }\n else if ('EPSG' in name) {\n defs['EPSG:' + name.EPSG] = name;\n }\n else if ('ESRI' in name) {\n defs['ESRI:' + name.ESRI] = name;\n }\n else if ('IAU2000' in name) {\n defs['IAU2000:' + name.IAU2000] = name;\n }\n else {\n console.log(name);\n }\n return;\n }\n\n\n}\nglobals(defs);\nexport default defs;\n","import defs from './defs';\nimport wkt from 'wkt-parser';\nimport projStr from './projString';\nimport match from './match';\nfunction testObj(code){\n return typeof code === 'string';\n}\nfunction testDef(code){\n return code in defs;\n}\nvar codeWords = ['PROJECTEDCRS', 'PROJCRS', 'GEOGCS','GEOCCS','PROJCS','LOCAL_CS', 'GEODCRS', 'GEODETICCRS', 'GEODETICDATUM', 'ENGCRS', 'ENGINEERINGCRS'];\nfunction testWKT(code){\n return codeWords.some(function (word) {\n return code.indexOf(word) > -1;\n });\n}\nvar codes = ['3857', '900913', '3785', '102113'];\nfunction checkMercator(item) {\n var auth = match(item, 'authority');\n if (!auth) {\n return;\n }\n var code = match(auth, 'epsg');\n return code && codes.indexOf(code) > -1;\n}\nfunction checkProjStr(item) {\n var ext = match(item, 'extension');\n if (!ext) {\n return;\n }\n return match(ext, 'proj4');\n}\nfunction testProj(code){\n return code[0] === '+';\n}\nfunction parse(code){\n if (testObj(code)) {\n //check to see if this is a WKT string\n if (testDef(code)) {\n return defs[code];\n }\n if (testWKT(code)) {\n var out = wkt(code);\n // test of spetial case, due to this being a very common and often malformed\n if (checkMercator(out)) {\n return defs['EPSG:3857'];\n }\n var maybeProjStr = checkProjStr(out);\n if (maybeProjStr) {\n return projStr(maybeProjStr);\n }\n return out;\n }\n if (testProj(code)) {\n return projStr(code);\n }\n }else{\n return code;\n }\n}\n\nexport default parse;\n","export default function(destination, source) {\n destination = destination || {};\n var value, property;\n if (!source) {\n return destination;\n }\n for (property in source) {\n value = source[property];\n if (value !== undefined) {\n destination[property] = value;\n }\n }\n return destination;\n}\n","export default function(eccent, sinphi, cosphi) {\n var con = eccent * sinphi;\n return cosphi / (Math.sqrt(1 - con * con));\n}","export default function(x) {\n return x<0 ? -1 : 1;\n}","\nimport {TWO_PI, SPI} from '../constants/values';\nimport sign from './sign';\n\nexport default function(x) {\n return (Math.abs(x) <= SPI) ? x : (x - (sign(x) * TWO_PI));\n}\n","import {HALF_PI} from '../constants/values';\n\nexport default function(eccent, phi, sinphi) {\n var con = eccent * sinphi;\n var com = 0.5 * eccent;\n con = Math.pow(((1 - con) / (1 + con)), com);\n return (Math.tan(0.5 * (HALF_PI - phi)) / con);\n}\n","import {HALF_PI} from '../constants/values';\n\nexport default function(eccent, ts) {\n var eccnth = 0.5 * eccent;\n var con, dphi;\n var phi = HALF_PI - 2 * Math.atan(ts);\n for (var i = 0; i <= 15; i++) {\n con = eccent * Math.sin(phi);\n dphi = HALF_PI - 2 * Math.atan(ts * (Math.pow(((1 - con) / (1 + con)), eccnth))) - phi;\n phi += dphi;\n if (Math.abs(dphi) <= 0.0000000001) {\n return phi;\n }\n }\n //console.log(\"phi2z has NoConvergence\");\n return -9999;\n}\n","export function init() {\n //no-op for longlat\n}\n\nfunction identity(pt) {\n return pt;\n}\nexport {identity as forward};\nexport {identity as inverse};\nexport var names = [\"longlat\", \"identity\"];\nexport default {\n init: init,\n forward: identity,\n inverse: identity,\n names: names\n};\n","import merc from \"./projections/merc\";\nimport longlat from \"./projections/longlat\";\nvar projs = [merc, longlat];\nvar names = {};\nvar projStore = [];\n\nfunction add(proj, i) {\n var len = projStore.length;\n if (!proj.names) {\n console.log(i);\n return true;\n }\n projStore[len] = proj;\n proj.names.forEach(function(n) {\n names[n.toLowerCase()] = len;\n });\n return this;\n}\n\nexport {add};\n\nexport function get(name) {\n if (!name) {\n return false;\n }\n var n = name.toLowerCase();\n if (typeof names[n] !== 'undefined' && projStore[names[n]]) {\n return projStore[names[n]];\n }\n}\n\nexport function start() {\n projs.forEach(add);\n}\nexport default {\n start: start,\n add: add,\n get: get\n};\n","import msfnz from '../common/msfnz';\n\nimport adjust_lon from '../common/adjust_lon';\nimport tsfnz from '../common/tsfnz';\nimport phi2z from '../common/phi2z';\nimport {FORTPI, R2D, EPSLN, HALF_PI} from '../constants/values';\nexport function init() {\n var con = this.b / this.a;\n this.es = 1 - con * con;\n if(!('x0' in this)){\n this.x0 = 0;\n }\n if(!('y0' in this)){\n this.y0 = 0;\n }\n this.e = Math.sqrt(this.es);\n if (this.lat_ts) {\n if (this.sphere) {\n this.k0 = Math.cos(this.lat_ts);\n }\n else {\n this.k0 = msfnz(this.e, Math.sin(this.lat_ts), Math.cos(this.lat_ts));\n }\n }\n else {\n if (!this.k0) {\n if (this.k) {\n this.k0 = this.k;\n }\n else {\n this.k0 = 1;\n }\n }\n }\n}\n\n/* Mercator forward equations--mapping lat,long to x,y\n --------------------------------------------------*/\n\nexport function forward(p) {\n var lon = p.x;\n var lat = p.y;\n // convert to radians\n if (lat * R2D > 90 && lat * R2D < -90 && lon * R2D > 180 && lon * R2D < -180) {\n return null;\n }\n\n var x, y;\n if (Math.abs(Math.abs(lat) - HALF_PI) <= EPSLN) {\n return null;\n }\n else {\n if (this.sphere) {\n x = this.x0 + this.a * this.k0 * adjust_lon(lon - this.long0);\n y = this.y0 + this.a * this.k0 * Math.log(Math.tan(FORTPI + 0.5 * lat));\n }\n else {\n var sinphi = Math.sin(lat);\n var ts = tsfnz(this.e, lat, sinphi);\n x = this.x0 + this.a * this.k0 * adjust_lon(lon - this.long0);\n y = this.y0 - this.a * this.k0 * Math.log(ts);\n }\n p.x = x;\n p.y = y;\n return p;\n }\n}\n\n/* Mercator inverse equations--mapping x,y to lat/long\n --------------------------------------------------*/\nexport function inverse(p) {\n\n var x = p.x - this.x0;\n var y = p.y - this.y0;\n var lon, lat;\n\n if (this.sphere) {\n lat = HALF_PI - 2 * Math.atan(Math.exp(-y / (this.a * this.k0)));\n }\n else {\n var ts = Math.exp(-y / (this.a * this.k0));\n lat = phi2z(this.e, ts);\n if (lat === -9999) {\n return null;\n }\n }\n lon = adjust_lon(this.long0 + x / (this.a * this.k0));\n\n p.x = lon;\n p.y = lat;\n return p;\n}\n\nexport var names = [\"Mercator\", \"Popular Visualisation Pseudo Mercator\", \"Mercator_1SP\", \"Mercator_Auxiliary_Sphere\", \"merc\"];\nexport default {\n init: init,\n forward: forward,\n inverse: inverse,\n names: names\n};\n","var exports = {};\nexport {exports as default};\nexports.MERIT = {\n a: 6378137.0,\n rf: 298.257,\n ellipseName: \"MERIT 1983\"\n};\n\nexports.SGS85 = {\n a: 6378136.0,\n rf: 298.257,\n ellipseName: \"Soviet Geodetic System 85\"\n};\n\nexports.GRS80 = {\n a: 6378137.0,\n rf: 298.257222101,\n ellipseName: \"GRS 1980(IUGG, 1980)\"\n};\n\nexports.IAU76 = {\n a: 6378140.0,\n rf: 298.257,\n ellipseName: \"IAU 1976\"\n};\n\nexports.airy = {\n a: 6377563.396,\n b: 6356256.910,\n ellipseName: \"Airy 1830\"\n};\n\nexports.APL4 = {\n a: 6378137,\n rf: 298.25,\n ellipseName: \"Appl. Physics. 1965\"\n};\n\nexports.NWL9D = {\n a: 6378145.0,\n rf: 298.25,\n ellipseName: \"Naval Weapons Lab., 1965\"\n};\n\nexports.mod_airy = {\n a: 6377340.189,\n b: 6356034.446,\n ellipseName: \"Modified Airy\"\n};\n\nexports.andrae = {\n a: 6377104.43,\n rf: 300.0,\n ellipseName: \"Andrae 1876 (Den., Iclnd.)\"\n};\n\nexports.aust_SA = {\n a: 6378160.0,\n rf: 298.25,\n ellipseName: \"Australian Natl & S. Amer. 1969\"\n};\n\nexports.GRS67 = {\n a: 6378160.0,\n rf: 298.2471674270,\n ellipseName: \"GRS 67(IUGG 1967)\"\n};\n\nexports.bessel = {\n a: 6377397.155,\n rf: 299.1528128,\n ellipseName: \"Bessel 1841\"\n};\n\nexports.bess_nam = {\n a: 6377483.865,\n rf: 299.1528128,\n ellipseName: \"Bessel 1841 (Namibia)\"\n};\n\nexports.clrk66 = {\n a: 6378206.4,\n b: 6356583.8,\n ellipseName: \"Clarke 1866\"\n};\n\nexports.clrk80 = {\n a: 6378249.145,\n rf: 293.4663,\n ellipseName: \"Clarke 1880 mod.\"\n};\n\nexports.clrk58 = {\n a: 6378293.645208759,\n rf: 294.2606763692654,\n ellipseName: \"Clarke 1858\"\n};\n\nexports.CPM = {\n a: 6375738.7,\n rf: 334.29,\n ellipseName: \"Comm. des Poids et Mesures 1799\"\n};\n\nexports.delmbr = {\n a: 6376428.0,\n rf: 311.5,\n ellipseName: \"Delambre 1810 (Belgium)\"\n};\n\nexports.engelis = {\n a: 6378136.05,\n rf: 298.2566,\n ellipseName: \"Engelis 1985\"\n};\n\nexports.evrst30 = {\n a: 6377276.345,\n rf: 300.8017,\n ellipseName: \"Everest 1830\"\n};\n\nexports.evrst48 = {\n a: 6377304.063,\n rf: 300.8017,\n ellipseName: \"Everest 1948\"\n};\n\nexports.evrst56 = {\n a: 6377301.243,\n rf: 300.8017,\n ellipseName: \"Everest 1956\"\n};\n\nexports.evrst69 = {\n a: 6377295.664,\n rf: 300.8017,\n ellipseName: \"Everest 1969\"\n};\n\nexports.evrstSS = {\n a: 6377298.556,\n rf: 300.8017,\n ellipseName: \"Everest (Sabah & Sarawak)\"\n};\n\nexports.fschr60 = {\n a: 6378166.0,\n rf: 298.3,\n ellipseName: \"Fischer (Mercury Datum) 1960\"\n};\n\nexports.fschr60m = {\n a: 6378155.0,\n rf: 298.3,\n ellipseName: \"Fischer 1960\"\n};\n\nexports.fschr68 = {\n a: 6378150.0,\n rf: 298.3,\n ellipseName: \"Fischer 1968\"\n};\n\nexports.helmert = {\n a: 6378200.0,\n rf: 298.3,\n ellipseName: \"Helmert 1906\"\n};\n\nexports.hough = {\n a: 6378270.0,\n rf: 297.0,\n ellipseName: \"Hough\"\n};\n\nexports.intl = {\n a: 6378388.0,\n rf: 297.0,\n ellipseName: \"International 1909 (Hayford)\"\n};\n\nexports.kaula = {\n a: 6378163.0,\n rf: 298.24,\n ellipseName: \"Kaula 1961\"\n};\n\nexports.lerch = {\n a: 6378139.0,\n rf: 298.257,\n ellipseName: \"Lerch 1979\"\n};\n\nexports.mprts = {\n a: 6397300.0,\n rf: 191.0,\n ellipseName: \"Maupertius 1738\"\n};\n\nexports.new_intl = {\n a: 6378157.5,\n b: 6356772.2,\n ellipseName: \"New International 1967\"\n};\n\nexports.plessis = {\n a: 6376523.0,\n rf: 6355863.0,\n ellipseName: \"Plessis 1817 (France)\"\n};\n\nexports.krass = {\n a: 6378245.0,\n rf: 298.3,\n ellipseName: \"Krassovsky, 1942\"\n};\n\nexports.SEasia = {\n a: 6378155.0,\n b: 6356773.3205,\n ellipseName: \"Southeast Asia\"\n};\n\nexports.walbeck = {\n a: 6376896.0,\n b: 6355834.8467,\n ellipseName: \"Walbeck\"\n};\n\nexports.WGS60 = {\n a: 6378165.0,\n rf: 298.3,\n ellipseName: \"WGS 60\"\n};\n\nexports.WGS66 = {\n a: 6378145.0,\n rf: 298.25,\n ellipseName: \"WGS 66\"\n};\n\nexports.WGS7 = {\n a: 6378135.0,\n rf: 298.26,\n ellipseName: \"WGS 72\"\n};\n\nexport var WGS84 = exports.WGS84 = {\n a: 6378137.0,\n rf: 298.257223563,\n ellipseName: \"WGS 84\"\n};\n\nexports.sphere = {\n a: 6370997.0,\n b: 6370997.0,\n ellipseName: \"Normal Sphere (r=6370997)\"\n};\n","var exports = {};\nexport {exports as default};\nexports.wgs84 = {\n towgs84: \"0,0,0\",\n ellipse: \"WGS84\",\n datumName: \"WGS84\"\n};\n\nexports.ch1903 = {\n towgs84: \"674.374,15.056,405.346\",\n ellipse: \"bessel\",\n datumName: \"swiss\"\n};\n\nexports.ggrs87 = {\n towgs84: \"-199.87,74.79,246.62\",\n ellipse: \"GRS80\",\n datumName: \"Greek_Geodetic_Reference_System_1987\"\n};\n\nexports.nad83 = {\n towgs84: \"0,0,0\",\n ellipse: \"GRS80\",\n datumName: \"North_American_Datum_1983\"\n};\n\nexports.nad27 = {\n nadgrids: \"@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat\",\n ellipse: \"clrk66\",\n datumName: \"North_American_Datum_1927\"\n};\n\nexports.potsdam = {\n towgs84: \"598.1,73.7,418.2,0.202,0.045,-2.455,6.7\",\n ellipse: \"bessel\",\n datumName: \"Potsdam Rauenberg 1950 DHDN\"\n};\n\nexports.carthage = {\n towgs84: \"-263.0,6.0,431.0\",\n ellipse: \"clark80\",\n datumName: \"Carthage 1934 Tunisia\"\n};\n\nexports.hermannskogel = {\n towgs84: \"577.326,90.129,463.919,5.137,1.474,5.297,2.4232\",\n ellipse: \"bessel\",\n datumName: \"Hermannskogel\"\n};\n\nexports.osni52 = {\n towgs84: \"482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15\",\n ellipse: \"airy\",\n datumName: \"Irish National\"\n};\n\nexports.ire65 = {\n towgs84: \"482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15\",\n ellipse: \"mod_airy\",\n datumName: \"Ireland 1965\"\n};\n\nexports.rassadiran = {\n towgs84: \"-133.63,-157.5,-158.62\",\n ellipse: \"intl\",\n datumName: \"Rassadiran\"\n};\n\nexports.nzgd49 = {\n towgs84: \"59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993\",\n ellipse: \"intl\",\n datumName: \"New Zealand Geodetic Datum 1949\"\n};\n\nexports.osgb36 = {\n towgs84: \"446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894\",\n ellipse: \"airy\",\n datumName: \"Airy 1830\"\n};\n\nexports.s_jtsk = {\n towgs84: \"589,76,480\",\n ellipse: 'bessel',\n datumName: 'S-JTSK (Ferro)'\n};\n\nexports.beduaram = {\n towgs84: '-106,-87,188',\n ellipse: 'clrk80',\n datumName: 'Beduaram'\n};\n\nexports.gunung_segara = {\n towgs84: '-403,684,41',\n ellipse: 'bessel',\n datumName: 'Gunung Segara Jakarta'\n};\n\nexports.rnb72 = {\n towgs84: \"106.869,-52.2978,103.724,-0.33657,0.456955,-1.84218,1\",\n ellipse: \"intl\",\n datumName: \"Reseau National Belge 1972\"\n};\n","import {PJD_3PARAM, PJD_7PARAM, PJD_GRIDSHIFT, PJD_WGS84, PJD_NODATUM, SEC_TO_RAD} from './constants/values';\n\nfunction datum(datumCode, datum_params, a, b, es, ep2, nadgrids) {\n var out = {};\n\n if (datumCode === undefined || datumCode === 'none') {\n out.datum_type = PJD_NODATUM;\n } else {\n out.datum_type = PJD_WGS84;\n }\n\n if (datum_params) {\n out.datum_params = datum_params.map(parseFloat);\n if (out.datum_params[0] !== 0 || out.datum_params[1] !== 0 || out.datum_params[2] !== 0) {\n out.datum_type = PJD_3PARAM;\n }\n if (out.datum_params.length > 3) {\n if (out.datum_params[3] !== 0 || out.datum_params[4] !== 0 || out.datum_params[5] !== 0 || out.datum_params[6] !== 0) {\n out.datum_type = PJD_7PARAM;\n out.datum_params[3] *= SEC_TO_RAD;\n out.datum_params[4] *= SEC_TO_RAD;\n out.datum_params[5] *= SEC_TO_RAD;\n out.datum_params[6] = (out.datum_params[6] / 1000000.0) + 1.0;\n }\n }\n }\n\n if (nadgrids) {\n out.datum_type = PJD_GRIDSHIFT;\n out.grids = nadgrids;\n }\n out.a = a; //datum object also uses these values\n out.b = b;\n out.es = es;\n out.ep2 = ep2;\n return out;\n}\n\nexport default datum;\n","/**\n * Resources for details of NTv2 file formats:\n * - https://web.archive.org/web/20140127204822if_/http://www.mgs.gov.on.ca:80/stdprodconsume/groups/content/@mgs/@iandit/documents/resourcelist/stel02_047447.pdf\n * - http://mimaka.com/help/gs/html/004_NTV2%20Data%20Format.htm\n */\n\nvar loadedNadgrids = {};\n\n/**\n * Load a binary NTv2 file (.gsb) to a key that can be used in a proj string like +nadgrids=