\t\tvar i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;\r\n\r\n\t\tif (position === 'top') {\r\n\t\t\ty = me.bottom - tl - tickPadding;\r\n\t\t\ttextAlign = !rotation ? 'center' : 'left';\r\n\t\t} else if (position === 'bottom') {\r\n\t\t\ty = me.top + tl + tickPadding;\r\n\t\t\ttextAlign = !rotation ? 'center' : 'right';\r\n\t\t} else if (position === 'left') {\r\n\t\t\tx = me.right - (isMirrored ? 0 : tl) - tickPadding;\r\n\t\t\ttextAlign = isMirrored ? 'left' : 'right';\r\n\t\t} else {\r\n\t\t\tx = me.left + (isMirrored ? 0 : tl) + tickPadding;\r\n\t\t\ttextAlign = isMirrored ? 'right' : 'left';\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = ticks.length; i < ilen; ++i) {\r\n\t\t\ttick = ticks[i];\r\n\t\t\tlabel = tick.label;\r\n\r\n\t\t\t// autoskipper skipped this tick (#4635)\r\n\t\t\tif (isNullOrUndef(label)) {\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\r\n\t\t\tpixel = me.getPixelForTick(tick._index || i) + optionTicks.labelOffset;\r\n\t\t\tfont = tick.major ? fonts.major : fonts.minor;\r\n\t\t\tlineHeight = font.lineHeight;\r\n\t\t\tlineCount = isArray(label) ? label.length : 1;\r\n\r\n\t\t\tif (isHorizontal) {\r\n\t\t\t\tx = pixel;\r\n\t\t\t\ttextOffset = position === 'top'\r\n\t\t\t\t\t? ((!rotation ? 0.5 : 1) - lineCount) * lineHeight\r\n\t\t\t\t\t: (!rotation ? 0.5 : 0) * lineHeight;\r\n\t\t\t} else {\r\n\t\t\t\ty = pixel;\r\n\t\t\t\ttextOffset = (1 - lineCount) * lineHeight / 2;\r\n\t\t\t}\r\n\r\n\t\t\titems.push({\r\n\t\t\t\tx: x,\r\n\t\t\t\ty: y,\r\n\t\t\t\trotation: rotation,\r\n\t\t\t\tlabel: label,\r\n\t\t\t\tfont: font,\r\n\t\t\t\ttextOffset: textOffset,\r\n\t\t\t\ttextAlign: textAlign\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\treturn items;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawGrid: function(chartArea) {\r\n\t\tvar me = this;\r\n\t\tvar gridLines = me.options.gridLines;\r\n\r\n\t\tif (!gridLines.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar chart = me.chart;\r\n\t\tvar alignPixel = helpers$1._alignPixel;\r\n\t\tvar axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0;\r\n\t\tvar items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea));\r\n\t\tvar width, color, i, ilen, item;\r\n\r\n\t\tfor (i = 0, ilen = items.length; i < ilen; ++i) {\r\n\t\t\titem = items[i];\r\n\t\t\twidth = item.width;\r\n\t\t\tcolor = item.color;\r\n\r\n\t\t\tif (width && color) {\r\n\t\t\t\tctx.save();\r\n\t\t\t\tctx.lineWidth = width;\r\n\t\t\t\tctx.strokeStyle = color;\r\n\t\t\t\tif (ctx.setLineDash) {\r\n\t\t\t\t\tctx.setLineDash(item.borderDash);\r\n\t\t\t\t\tctx.lineDashOffset = item.borderDashOffset;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tctx.beginPath();\r\n\r\n\t\t\t\tif (gridLines.drawTicks) {\r\n\t\t\t\t\tctx.moveTo(item.tx1, item.ty1);\r\n\t\t\t\t\tctx.lineTo(item.tx2, item.ty2);\r\n\t\t\t\t}\r\n\r\n\t\t\t\tif (gridLines.drawOnChartArea) {\r\n\t\t\t\t\tctx.moveTo(item.x1, item.y1);\r\n\t\t\t\t\tctx.lineTo(item.x2, item.y2);\r\n\t\t\t\t}\r\n\r\n\t\t\t\tctx.stroke();\r\n\t\t\t\tctx.restore();\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (axisWidth) {\r\n\t\t\t// Draw the line at the edge of the axis\r\n\t\t\tvar firstLineWidth = axisWidth;\r\n\t\t\tvar lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, items.ticksLength - 1, 1);\r\n\t\t\tvar borderValue = items.borderValue;\r\n\t\t\tvar x1, x2, y1, y2;\r\n\r\n\t\t\tif (me.isHorizontal()) {\r\n\t\t\t\tx1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2;\r\n\t\t\t\tx2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2;\r\n\t\t\t\ty1 = y2 = borderValue;\r\n\t\t\t} else {\r\n\t\t\t\ty1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2;\r\n\t\t\t\ty2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2;\r\n\t\t\t\tx1 = x2 = borderValue;\r\n\t\t\t}\r\n\r\n\t\t\tctx.lineWidth = axisWidth;\r\n\t\t\tctx.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0);\r\n\t\t\tctx.beginPath();\r\n\t\t\tctx.moveTo(x1, y1);\r\n\t\t\tctx.lineTo(x2, y2);\r\n\t\t\tctx.stroke();\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawLabels: function() {\r\n\t\tvar me = this;\r\n\t\tvar optionTicks = me.options.ticks;\r\n\r\n\t\tif (!optionTicks.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar items = me._labelItems || (me._labelItems = me._computeLabelItems());\r\n\t\tvar i, j, ilen, jlen, item, tickFont, label, y;\r\n\r\n\t\tfor (i = 0, ilen = items.length; i < ilen; ++i) {\r\n\t\t\titem = items[i];\r\n\t\t\ttickFont = item.font;\r\n\r\n\t\t\t// Make sure we draw text in the correct color and font\r\n\t\t\tctx.save();\r\n\t\t\tctx.translate(item.x, item.y);\r\n\t\t\tctx.rotate(item.rotation);\r\n\t\t\tctx.font = tickFont.string;\r\n\t\t\tctx.fillStyle = tickFont.color;\r\n\t\t\tctx.textBaseline = 'middle';\r\n\t\t\tctx.textAlign = item.textAlign;\r\n\r\n\t\t\tlabel = item.label;\r\n\t\t\ty = item.textOffset;\r\n\t\t\tif (isArray(label)) {\r\n\t\t\t\tfor (j = 0, jlen = label.length; j < jlen; ++j) {\r\n\t\t\t\t\t// We just make sure the multiline element is a string here..\r\n\t\t\t\t\tctx.fillText('' + label[j], 0, y);\r\n\t\t\t\t\ty += tickFont.lineHeight;\r\n\t\t\t\t}\r\n\t\t\t} else {\r\n\t\t\t\tctx.fillText(label, 0, y);\r\n\t\t\t}\r\n\t\t\tctx.restore();\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawTitle: function() {\r\n\t\tvar me = this;\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar options = me.options;\r\n\t\tvar scaleLabel = options.scaleLabel;\r\n\r\n\t\tif (!scaleLabel.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar scaleLabelFontColor = valueOrDefault$a(scaleLabel.fontColor, core_defaults.global.defaultFontColor);\r\n\t\tvar scaleLabelFont = helpers$1.options._parseFont(scaleLabel);\r\n\t\tvar scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding);\r\n\t\tvar halfLineHeight = scaleLabelFont.lineHeight / 2;\r\n\t\tvar position = options.position;\r\n\t\tvar rotation = 0;\r\n\t\tvar scaleLabelX, scaleLabelY;\r\n\r\n\t\tif (me.isHorizontal()) {\r\n\t\t\tscaleLabelX = me.left + me.width / 2; // midpoint of the width\r\n\t\t\tscaleLabelY = position === 'bottom'\r\n\t\t\t\t? me.bottom - halfLineHeight - scaleLabelPadding.bottom\r\n\t\t\t\t: me.top + halfLineHeight + scaleLabelPadding.top;\r\n\t\t} else {\r\n\t\t\tvar isLeft = position === 'left';\r\n\t\t\tscaleLabelX = isLeft\r\n\t\t\t\t? me.left + halfLineHeight + scaleLabelPadding.top\r\n\t\t\t\t: me.right - halfLineHeight - scaleLabelPadding.top;\r\n\t\t\tscaleLabelY = me.top + me.height / 2;\r\n\t\t\trotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\r\n\t\t}\r\n\r\n\t\tctx.save();\r\n\t\tctx.translate(scaleLabelX, scaleLabelY);\r\n\t\tctx.rotate(rotation);\r\n\t\tctx.textAlign = 'center';\r\n\t\tctx.textBaseline = 'middle';\r\n\t\tctx.fillStyle = scaleLabelFontColor; // render in correct colour\r\n\t\tctx.font = scaleLabelFont.string;\r\n\t\tctx.fillText(scaleLabel.labelString, 0, 0);\r\n\t\tctx.restore();\r\n\t},\r\n\r\n\tdraw: function(chartArea) {\r\n\t\tvar me = this;\r\n\r\n\t\tif (!me._isVisible()) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tme._drawGrid(chartArea);\r\n\t\tme._drawTitle();\r\n\t\tme._drawLabels();\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_layers: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar tz = opts.ticks && opts.ticks.z || 0;\r\n\t\tvar gz = opts.gridLines && opts.gridLines.z || 0;\r\n\r\n\t\tif (!me._isVisible() || tz === gz || me.draw !== me._draw) {\r\n\t\t\t// backward compatibility: draw has been overridden by custom scale\r\n\t\t\treturn [{\r\n\t\t\t\tz: tz,\r\n\t\t\t\tdraw: function() {\r\n\t\t\t\t\tme.draw.apply(me, arguments);\r\n\t\t\t\t}\r\n\t\t\t}];\r\n\t\t}\r\n\r\n\t\treturn [{\r\n\t\t\tz: gz,\r\n\t\t\tdraw: function() {\r\n\t\t\t\tme._drawGrid.apply(me, arguments);\r\n\t\t\t\tme._drawTitle.apply(me, arguments);\r\n\t\t\t}\r\n\t\t}, {\r\n\t\t\tz: tz,\r\n\t\t\tdraw: function() {\r\n\t\t\t\tme._drawLabels.apply(me, arguments);\r\n\t\t\t}\r\n\t\t}];\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getMatchingVisibleMetas: function(type) {\r\n\t\tvar me = this;\r\n\t\tvar isHorizontal = me.isHorizontal();\r\n\t\treturn me.chart._getSortedVisibleDatasetMetas()\r\n\t\t\t.filter(function(meta) {\r\n\t\t\t\treturn (!type || meta.type === type)\r\n\t\t\t\t\t&& (isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id);\r\n\t\t\t});\r\n\t}\r\n});\r\n\r\nScale.prototype._draw = Scale.prototype.draw;\r\n\r\nvar core_scale = Scale;\n\nvar isNullOrUndef$1 = helpers$1.isNullOrUndef;\r\n\r\nvar defaultConfig = {\r\n\tposition: 'bottom'\r\n};\r\n\r\nvar scale_category = core_scale.extend({\r\n\tdetermineDataLimits: function() {\r\n\t\tvar me = this;\r\n\t\tvar labels = me._getLabels();\r\n\t\tvar ticksOpts = me.options.ticks;\r\n\t\tvar min = ticksOpts.min;\r\n\t\tvar max = ticksOpts.max;\r\n\t\tvar minIndex = 0;\r\n\t\tvar maxIndex = labels.length - 1;\r\n\t\tvar findIndex;\r\n\r\n\t\tif (min !== undefined) {\r\n\t\t\t// user specified min value\r\n\t\t\tfindIndex = labels.indexOf(min);\r\n\t\t\tif (findIndex >= 0) {\r\n\t\t\t\tminIndex = findIndex;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (max !== undefined) {\r\n\t\t\t// user specified max value\r\n\t\t\tfindIndex = labels.indexOf(max);\r\n\t\t\tif (findIndex >= 0) {\r\n\t\t\t\tmaxIndex = findIndex;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tme.minIndex = minIndex;\r\n\t\tme.maxIndex = maxIndex;\r\n\t\tme.min = labels[minIndex];\r\n\t\tme.max = labels[maxIndex];\r\n\t},\r\n\r\n\tbuildTicks: function() {\r\n\t\tvar me = this;\r\n\t\tvar labels = me._getLabels();\r\n\t\tvar minIndex = me.minIndex;\r\n\t\tvar maxIndex = me.maxIndex;\r\n\r\n\t\t// If we are viewing some subset of labels, slice the original array\r\n\t\tme.ticks = (minIndex === 0 && maxIndex === labels.length - 1) ? labels : labels.slice(minIndex, maxIndex + 1);\r\n\t},\r\n\r\n\tgetLabelForIndex: function(index, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\r\n\t\tif (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) {\r\n\t\t\treturn me.getRightValue(chart.data.datasets[datasetIndex].data[index]);\r\n\t\t}\r\n\r\n\t\treturn me._getLabels()[index];\r\n\t},\r\n\r\n\t_configure: function() {\r\n\t\tvar me = this;\r\n\t\tvar offset = me.options.offset;\r\n\t\tvar ticks = me.ticks;\r\n\r\n\t\tcore_scale.prototype._configure.call(me);\r\n\r\n\t\tif (!me.isHorizontal()) {\r\n\t\t\t// For backward compatibility, vertical category scale reverse is inverted.\r\n\t\t\tme._reversePixels = !me._reversePixels;\r\n\t\t}\r\n\r\n\t\tif (!ticks) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tme._startValue = me.minIndex - (offset ? 0.5 : 0);\r\n\t\tme._valueRange = Math.max(ticks.length - (offset ? 0 : 1), 1);\r\n\t},\r\n\r\n\t// Used to get data value locations.  Value can either be an index or a numerical value\r\n\tgetPixelForValue: function(value, index, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tvar valueCategory, labels, idx;\r\n\r\n\t\tif (!isNullOrUndef$1(index) && !isNullOrUndef$1(datasetIndex)) {\r\n\t\t\tvalue = me.chart.data.datasets[datasetIndex].data[index];\r\n\t\t}\r\n\r\n\t\t// If value is a data object, then index is the index in the data array,\r\n\t\t// not the index of the scale. We need to change that.\r\n\t\tif (!isNullOrUndef$1(value)) {\r\n\t\t\tvalueCategory = me.isHorizontal() ? value.x : value.y;\r\n\t\t}\r\n\t\tif (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\r\n\t\t\tlabels = me._getLabels();\r\n\t\t\tvalue = helpers$1.valueOrDefault(valueCategory, value);\r\n\t\t\tidx = labels.indexOf(value);\r\n\t\t\tindex = idx !== -1 ? idx : index;\r\n\t\t\tif (isNaN(index)) {\r\n\t\t\t\tindex = value;\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn me.getPixelForDecimal((index - me._startValue) / me._valueRange);\r\n\t},\r\n\r\n\tgetPixelForTick: function(index) {\r\n\t\tvar ticks = this.ticks;\r\n\t\treturn index < 0 || index > ticks.length - 1\r\n\t\t\t? null\r\n\t\t\t: this.getPixelForValue(ticks[index], index + this.minIndex);\r\n\t},\r\n\r\n\tgetValueForPixel: function(pixel) {\r\n\t\tvar me = this;\r\n\t\tvar value = Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange);\r\n\t\treturn Math.min(Math.max(value, 0), me.ticks.length - 1);\r\n\t},\r\n\r\n\tgetBasePixel: function() {\r\n\t\treturn this.bottom;\r\n\t}\r\n});\r\n\r\n// INTERNAL: static default options, registered in src/index.js\r\nvar _defaults = defaultConfig;\nscale_category._defaults = _defaults;\n\nvar noop = helpers$1.noop;\r\nvar isNullOrUndef$2 = helpers$1.isNullOrUndef;\r\n\r\n/**\r\n * Generate a set of linear ticks\r\n * @param generationOptions the options used to generate the ticks\r\n * @param dataRange the range of the data\r\n * @returns {number[]} array of tick values\r\n */\r\nfunction generateTicks(generationOptions, dataRange) {\r\n\tvar ticks = [];\r\n\t// To get a \"nice\" value for the tick spacing, we will use the appropriately named\r\n\t// \"nice number\" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\r\n\t// for details.\r\n\r\n\tvar MIN_SPACING = 1e-14;\r\n\tvar stepSize = generationOptions.stepSize;\r\n\tvar unit = stepSize || 1;\r\n\tvar maxNumSpaces = generationOptions.maxTicks - 1;\r\n\tvar min = generationOptions.min;\r\n\tvar max = generationOptions.max;\r\n\tvar precision = generationOptions.precision;\r\n\tvar rmin = dataRange.min;\r\n\tvar rmax = dataRange.max;\r\n\tvar spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit;\r\n\tvar factor, niceMin, niceMax, numSpaces;\r\n\r\n\t// Beyond MIN_SPACING floating point numbers being to lose precision\r\n\t// such that we can't do the math necessary to generate ticks\r\n\tif (spacing < MIN_SPACING && isNullOrUndef$2(min) && isNullOrUndef$2(max)) {\r\n\t\treturn [rmin, rmax];\r\n\t}\r\n\r\n\tnumSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);\r\n\tif (numSpaces > maxNumSpaces) {\r\n\t\t// If the calculated num of spaces exceeds maxNumSpaces, recalculate it\r\n\t\tspacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit;\r\n\t}\r\n\r\n\tif (stepSize || isNullOrUndef$2(precision)) {\r\n\t\t// If a precision is not specified, calculate factor based on spacing\r\n\t\tfactor = Math.pow(10, helpers$1._decimalPlaces(spacing));\r\n\t} else {\r\n\t\t// If the user specified a precision, round to that number of decimal places\r\n\t\tfactor = Math.pow(10, precision);\r\n\t\tspacing = Math.ceil(spacing * factor) / factor;\r\n\t}\r\n\r\n\tniceMin = Math.floor(rmin / spacing) * spacing;\r\n\tniceMax = Math.ceil(rmax / spacing) * spacing;\r\n\r\n\t// If min, max and stepSize is set and they make an evenly spaced scale use it.\r\n\tif (stepSize) {\r\n\t\t// If very close to our whole number, use it.\r\n\t\tif (!isNullOrUndef$2(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) {\r\n\t\t\tniceMin = min;\r\n\t\t}\r\n\t\tif (!isNullOrUndef$2(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) {\r\n\t\t\tniceMax = max;\r\n\t\t}\r\n\t}\r\n\r\n\tnumSpaces = (niceMax - niceMin) / spacing;\r\n\t// If very close to our rounded value, use it.\r\n\tif (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\r\n\t\tnumSpaces = Math.round(numSpaces);\r\n\t} else {\r\n\t\tnumSpaces = Math.ceil(numSpaces);\r\n\t}\r\n\r\n\tniceMin = Math.round(niceMin * factor) / factor;\r\n\tniceMax = Math.round(niceMax * factor) / factor;\r\n\tticks.push(isNullOrUndef$2(min) ? niceMin : min);\r\n\tfor (var j = 1; j < numSpaces; ++j) {\r\n\t\tticks.push(Math.round((niceMin + j * spacing) * factor) / factor);\r\n\t}\r\n\tticks.push(isNullOrUndef$2(max) ? niceMax : max);\r\n\r\n\treturn ticks;\r\n}\r\n\r\nvar scale_linearbase = core_scale.extend({\r\n\tgetRightValue: function(value) {\r\n\t\tif (typeof value === 'string') {\r\n\t\t\treturn +value;\r\n\t\t}\r\n\t\treturn core_scale.prototype.getRightValue.call(this, value);\r\n\t},\r\n\r\n\thandleTickRangeOptions: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar tickOpts = opts.ticks;\r\n\r\n\t\t// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\r\n\t\t// do nothing since that would make the chart weird. If the user really wants a weird chart\r\n\t\t// axis, they can manually override it\r\n\t\tif (tickOpts.beginAtZero) {\r\n\t\t\tvar minSign = helpers$1.sign(me.min);\r\n\t\t\tvar maxSign = helpers$1.sign(me.max);\r\n\r\n\t\t\tif (minSign < 0 && maxSign < 0) {\r\n\t\t\t\t// move the top up to 0\r\n\t\t\t\tme.max = 0;\r\n\t\t\t} else if (minSign > 0 && maxSign > 0) {\r\n\t\t\t\t// move the bottom down to 0\r\n\t\t\t\tme.min = 0;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tvar setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\r\n\t\tvar setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\r\n\r\n\t\tif (tickOpts.min !== undefined) {\r\n\t\t\tme.min = tickOpts.min;\r\n\t\t} else if (tickOpts.suggestedMin !== undefined) {\r\n\t\t\tif (me.min === null) {\r\n\t\t\t\tme.min = tickOpts.suggestedMin;\r\n\t\t\t} else {\r\n\t\t\t\tme.min = Math.min(me.min, tickOpts.suggestedMin);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (tickOpts.max !== undefined) {\r\n\t\t\tme.max = tickOpts.max;\r\n\t\t} else if (tickOpts.suggestedMax !== undefined) {\r\n\t\t\tif (me.max === null) {\r\n\t\t\t\tme.max = tickOpts.suggestedMax;\r\n\t\t\t} else {\r\n\t\t\t\tme.max = Math.max(me.max, tickOpts.suggestedMax);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (setMin !== setMax) {\r\n\t\t\t// We set the min or the max but not both.\r\n\t\t\t// So ensure that our range is good\r\n\t\t\t// Inverted or 0 length range can happen when\r\n\t\t\t// ticks.min is set, and no datasets are visible\r\n\t\t\tif (me.min >= me.max) {\r\n\t\t\t\tif (setMin) {\r\n\t\t\t\t\tme.max = me.min + 1;\r\n\t\t\t\t} else {\r\n\t\t\t\t\tme.min = me.max - 1;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (me.min === me.max) {\r\n\t\t\tme.max++;\r\n\r\n\t\t\tif (!tickOpts.beginAtZero) {\r\n\t\t\t\tme.min--;\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\tgetTickLimit: function() {\r\n\t\tvar me = this;\r\n\t\tvar tickOpts = me.options.ticks;\r\n\t\tvar stepSize = tickOpts.stepSize;\r\n\t\tvar maxTicksLimit = tickOpts.maxTicksLimit;\r\n\t\tvar maxTicks;\r\n\r\n\t\tif (stepSize) {\r\n\t\t\tmaxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1;\r\n\t\t} else {\r\n\t\t\tmaxTicks = me._computeTickLimit();\r\n\t\t\tmaxTicksLimit = maxTicksLimit || 11;\r\n\t\t}\r\n\r\n\t\tif (maxTicksLimit) {\r\n\t\t\tmaxTicks = Math.min(maxTicksLimit, maxTicks);\r\n\t\t}\r\n\r\n\t\treturn maxTicks;\r\n\t},\r\n\r\n\t_computeTickLimit: function() {\r\n\t\treturn Number.POSITIVE_INFINITY;\r\n\t},\r\n\r\n\thandleDirectionalChanges: noop,\r\n\r\n\tbuildTicks: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar tickOpts = opts.ticks;\r\n\r\n\t\t// Figure out what the max number of ticks we can support it is based on the size of\r\n\t\t// the axis area. For now, we say that the minimum tick spacing in pixels must be 40\r\n\t\t// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\r\n\t\t// the graph. Make sure we always have at least 2 ticks\r\n\t\tvar maxTicks = me.getTickLimit();\r\n\t\tmaxTicks = Math.max(2, maxTicks);\r\n\r\n\t\tvar numericGeneratorOptions = {\r\n\t\t\tmaxTicks: maxTicks,\r\n\t\t\tmin: tickOpts.min,\r\n\t\t\tmax: tickOpts.max,\r\n\t\t\tprecision: tickOpts.precision,\r\n\t\t\tstepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\r\n\t\t};\r\n\t\tvar ticks = me.ticks = generateTicks(numericGeneratorOptions, me);\r\n\r\n\t\tme.handleDirectionalChanges();\r\n\r\n\t\t// At this point, we need to update our max and min given the tick values since we have expanded the\r\n\t\t// range of the scale\r\n\t\tme.max = helpers$1.max(ticks);\r\n\t\tme.min = helpers$1.min(ticks);\r\n\r\n\t\tif (tickOpts.reverse) {\r\n\t\t\tticks.reverse();\r\n\r\n\t\t\tme.start = me.max;\r\n\t\t\tme.end = me.min;\r\n\t\t} else {\r\n\t\t\tme.start = me.min;\r\n\t\t\tme.end = me.max;\r\n\t\t}\r\n\t},\r\n\r\n\tconvertTicksToLabels: function() {\r\n\t\tvar me = this;\r\n\t\tme.ticksAsNumbers = me.ticks.slice();\r\n\t\tme.zeroLineIndex = me.ticks.indexOf(0);\r\n\r\n\t\tcore_scale.prototype.convertTicksToLabels.call(me);\r\n\t},\r\n\r\n\t_configure: function() {\r\n\t\tvar me = this;\r\n\t\tvar ticks = me.getTicks();\r\n\t\tvar start = me.min;\r\n\t\tvar end = me.max;\r\n\t\tvar offset;\r\n\r\n\t\tcore_scale.prototype._configure.call(me);\r\n\r\n\t\tif (me.options.offset && ticks.length) {\r\n\t\t\toffset = (end - start) / Math.max(ticks.length - 1, 1) / 2;\r\n\t\t\tstart -= offset;\r\n\t\t\tend += offset;\r\n\t\t}\r\n\t\tme._startValue = start;\r\n\t\tme._endValue = end;\r\n\t\tme._valueRange = end - start;\r\n\t}\r\n});\n\nvar defaultConfig$1 = {\r\n\tposition: 'left',\r\n\tticks: {\r\n\t\tcallback: core_ticks.formatters.linear\r\n\t}\r\n};\r\n\r\nvar DEFAULT_MIN = 0;\r\nvar DEFAULT_MAX = 1;\r\n\r\nfunction getOrCreateStack(stacks, stacked, meta) {\r\n\tvar key = [\r\n\t\tmeta.type,\r\n\t\t// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\r\n\t\tstacked === undefined && meta.stack === undefined ? meta.index : '',\r\n\t\tmeta.stack\r\n\t].join('.');\r\n\r\n\tif (stacks[key] === undefined) {\r\n\t\tstacks[key] = {\r\n\t\t\tpos: [],\r\n\t\t\tneg: []\r\n\t\t};\r\n\t}\r\n\r\n\treturn stacks[key];\r\n}\r\n\r\nfunction stackData(scale, stacks, meta, data) {\r\n\tvar opts = scale.options;\r\n\tvar stacked = opts.stacked;\r\n\tvar stack = getOrCreateStack(stacks, stacked, meta);\r\n\tvar pos = stack.pos;\r\n\tvar neg = stack.neg;\r\n\tvar ilen = data.length;\r\n\tvar i, value;\r\n\r\n\tfor (i = 0; i < ilen; ++i) {\r\n\t\tvalue = scale._parseValue(data[i]);\r\n\t\tif (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {\r\n\t\t\tcontinue;\r\n\t\t}\r\n\r\n\t\tpos[i] = pos[i] || 0;\r\n\t\tneg[i] = neg[i] || 0;\r\n\r\n\t\tif (opts.relativePoints) {\r\n\t\t\tpos[i] = 100;\r\n\t\t} else if (value.min < 0 || value.max < 0) {\r\n\t\t\tneg[i] += value.min;\r\n\t\t} else {\r\n\t\t\tpos[i] += value.max;\r\n\t\t}\r\n\t}\r\n}\r\n\r\nfunction updateMinMax(scale, meta, data) {\r\n\tvar ilen = data.length;\r\n\tvar i, value;\r\n\r\n\tfor (i = 0; i < ilen; ++i) {\r\n\t\tvalue = scale._parseValue(data[i]);\r\n\t\tif (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden) {\r\n\t\t\tcontinue;\r\n\t\t}\r\n\r\n\t\tscale.min = Math.min(scale.min, value.min);\r\n\t\tscale.max = Math.max(scale.max, value.max);\r\n\t}\r\n}\r\n\r\nvar scale_linear = scale_linearbase.extend({\r\n\tdetermineDataLimits: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar chart = me.chart;\r\n\t\tvar datasets = chart.data.datasets;\r\n\t\tvar metasets = me._getMatchingVisibleMetas();\r\n\t\tvar hasStacks = opts.stacked;\r\n\t\tvar stacks = {};\r\n\t\tvar ilen = metasets.length;\r\n\t\tvar i, meta, data, values;\r\n\r\n\t\tme.min = Number.POSITIVE_INFINITY;\r\n\t\tme.max = Number.NEGATIVE_INFINITY;\r\n\r\n\t\tif (hasStacks === undefined) {\r\n\t\t\tfor (i = 0; !hasStacks && i < ilen; ++i) {\r\n\t\t\t\tmeta = metasets[i];\r\n\t\t\t\thasStacks = meta.stack !== undefined;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tfor (i = 0; i < ilen; ++i) {\r\n\t\t\tmeta = metasets[i];\r\n\t\t\tdata = datasets[meta.index].data;\r\n\t\t\tif (hasStacks) {\r\n\t\t\t\tstackData(me, stacks, meta, data);\r\n\t\t\t} else {\r\n\t\t\t\tupdateMinMax(me, meta, data);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\thelpers$1.each(stacks, function(stackValues) {\r\n\t\t\tvalues = stackValues.pos.concat(stackValues.neg);\r\n\t\t\tme.min = Math.min(me.min, helpers$1.min(values));\r\n\t\t\tme.max = Math.max(me.max, helpers$1.max(values));\r\n\t\t});\r\n\r\n\t\tme.min = helpers$1.isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\r\n\t\tme.max = helpers$1.isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\r\n\r\n\t\t// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\r\n\t\tme.handleTickRangeOptions();\r\n\t},\r\n\r\n\t// Returns the maximum number of ticks based on the scale dimension\r\n\t_computeTickLimit: function() {\r\n\t\tvar me = this;\r\n\t\tvar tickFont;\r\n\r\n\t\tif (me.isHorizontal()) {\r\n\t\t\treturn Math.ceil(me.width / 40);\r\n\t\t}\r\n\t\ttickFont = helpers$1.options._parseFont(me.options.ticks);\r\n\t\treturn Math.ceil(me.height / tickFont.lineHeight);\r\n\t},\r\n\r\n\t// Called after the ticks are built. We need\r\n\thandleDirectionalChanges: function() {\r\n\t\tif (!this.isHorizontal()) {\r\n\t\t\t// We are in a vertical orientation. The top value is the highest. So reverse the array\r\n\t\t\tthis.ticks.reverse();\r\n\t\t}\r\n\t},\r\n\r\n\tgetLabelForIndex: function(index, datasetIndex) {\r\n\t\treturn this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);\r\n\t},\r\n\r\n\t// Utils\r\n\tgetPixelForValue: function(value) {\r\n\t\tvar me = this;\r\n\t\treturn me.getPixelForDecimal((+me.getRightValue(value) - me._startValue) / me._valueRange);\r\n\t},\r\n\r\n\tgetValueForPixel: function(pixel) {\r\n\t\treturn this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;\r\n\t},\r\n\r\n\tgetPixelForTick: function(index) {\r\n\t\tvar ticks = this.ticksAsNumbers;\r\n\t\tif (index < 0 || index > ticks.length - 1) {\r\n\t\t\treturn null;\r\n\t\t}\r\n\t\treturn this.getPixelForValue(ticks[index]);\r\n\t}\r\n});\r\n\r\n// INTERNAL: static default options, registered in src/index.js\r\nvar _defaults$1 = defaultConfig$1;\nscale_linear._defaults = _defaults$1;\n\nvar valueOrDefault$b = helpers$1.valueOrDefault;\r\nvar log10 = helpers$1.math.log10;\r\n\r\n/**\r\n * Generate a set of logarithmic ticks\r\n * @param generationOptions the options used to generate the ticks\r\n * @param dataRange the range of the data\r\n * @returns {number[]} array of tick values\r\n */\r\nfunction generateTicks$1(generationOptions, dataRange) {\r\n\tvar ticks = [];\r\n\r\n\tvar tickVal = valueOrDefault$b(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));\r\n\r\n\tvar endExp = Math.floor(log10(dataRange.max));\r\n\tvar endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\r\n\tvar exp, significand;\r\n\r\n\tif (tickVal === 0) {\r\n\t\texp = Math.floor(log10(dataRange.minNotZero));\r\n\t\tsignificand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\r\n\r\n\t\tticks.push(tickVal);\r\n\t\ttickVal = significand * Math.pow(10, exp);\r\n\t} else {\r\n\t\texp = Math.floor(log10(tickVal));\r\n\t\tsignificand = Math.floor(tickVal / Math.pow(10, exp));\r\n\t}\r\n\tvar precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;\r\n\r\n\tdo {\r\n\t\tticks.push(tickVal);\r\n\r\n\t\t++significand;\r\n\t\tif (significand === 10) {\r\n\t\t\tsignificand = 1;\r\n\t\t\t++exp;\r\n\t\t\tprecision = exp >= 0 ? 1 : precision;\r\n\t\t}\r\n\r\n\t\ttickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;\r\n\t} while (exp < endExp || (exp === endExp && significand < endSignificand));\r\n\r\n\tvar lastTick = valueOrDefault$b(generationOptions.max, tickVal);\r\n\tticks.push(lastTick);\r\n\r\n\treturn ticks;\r\n}\r\n\r\nvar defaultConfig$2 = {\r\n\tposition: 'left',\r\n\r\n\t// label settings\r\n\tticks: {\r\n\t\tcallback: core_ticks.formatters.logarithmic\r\n\t}\r\n};\r\n\r\n// TODO(v3): change this to positiveOrDefault\r\nfunction nonNegativeOrDefault(value, defaultValue) {\r\n\treturn helpers$1.isFinite(value) && value >= 0 ? value : defaultValue;\r\n}\r\n\r\nvar scale_logarithmic = core_scale.extend({\r\n\tdetermineDataLimits: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar chart = me.chart;\r\n\t\tvar datasets = chart.data.datasets;\r\n\t\tvar isHorizontal = me.isHorizontal();\r\n\t\tfunction IDMatches(meta) {\r\n\t\t\treturn isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\r\n\t\t}\r\n\t\tvar datasetIndex, meta, value, data, i, ilen;\r\n\r\n\t\t// Calculate Range\r\n\t\tme.min = Number.POSITIVE_INFINITY;\r\n\t\tme.max = Number.NEGATIVE_INFINITY;\r\n\t\tme.minNotZero = Number.POSITIVE_INFINITY;\r\n\r\n\t\tvar hasStacks = opts.stacked;\r\n\t\tif (hasStacks === undefined) {\r\n\t\t\tfor (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {\r\n\t\t\t\tmeta = chart.getDatasetMeta(datasetIndex);\r\n\t\t\t\tif (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\r\n\t\t\t\t\tmeta.stack !== undefined) {\r\n\t\t\t\t\thasStacks = true;\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (opts.stacked || hasStacks) {\r\n\t\t\tvar valuesPerStack = {};\r\n\r\n\t\t\tfor (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {\r\n\t\t\t\tmeta = chart.getDatasetMeta(datasetIndex);\r\n\t\t\t\tvar key = [\r\n\t\t\t\t\tmeta.type,\r\n\t\t\t\t\t// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\r\n\t\t\t\t\t((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\r\n\t\t\t\t\tmeta.stack\r\n\t\t\t\t].join('.');\r\n\r\n\t\t\t\tif (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\r\n\t\t\t\t\tif (valuesPerStack[key] === undefined) {\r\n\t\t\t\t\t\tvaluesPerStack[key] = [];\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tdata = datasets[datasetIndex].data;\r\n\t\t\t\t\tfor (i = 0, ilen = data.length; i < ilen; i++) {\r\n\t\t\t\t\t\tvar values = valuesPerStack[key];\r\n\t\t\t\t\t\tvalue = me._parseValue(data[i]);\r\n\t\t\t\t\t\t// invalid, hidden and negative values are ignored\r\n\t\t\t\t\t\tif (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {\r\n\t\t\t\t\t\t\tcontinue;\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t\tvalues[i] = values[i] || 0;\r\n\t\t\t\t\t\tvalues[i] += value.max;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\thelpers$1.each(valuesPerStack, function(valuesForType) {\r\n\t\t\t\tif (valuesForType.length > 0) {\r\n\t\t\t\t\tvar minVal = helpers$1.min(valuesForType);\r\n\t\t\t\t\tvar maxVal = helpers$1.max(valuesForType);\r\n\t\t\t\t\tme.min = Math.min(me.min, minVal);\r\n\t\t\t\t\tme.max = Math.max(me.max, maxVal);\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t} else {\r\n\t\t\tfor (datasetIndex = 0; datasetIndex < datasets.length; datasetIndex++) {\r\n\t\t\t\tmeta = chart.getDatasetMeta(datasetIndex);\r\n\t\t\t\tif (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\r\n\t\t\t\t\tdata = datasets[datasetIndex].data;\r\n\t\t\t\t\tfor (i = 0, ilen = data.length; i < ilen; i++) {\r\n\t\t\t\t\t\tvalue = me._parseValue(data[i]);\r\n\t\t\t\t\t\t// invalid, hidden and negative values are ignored\r\n\t\t\t\t\t\tif (isNaN(value.min) || isNaN(value.max) || meta.data[i].hidden || value.min < 0 || value.max < 0) {\r\n\t\t\t\t\t\t\tcontinue;\r\n\t\t\t\t\t\t}\r\n\r\n\t\t\t\t\t\tme.min = Math.min(value.min, me.min);\r\n\t\t\t\t\t\tme.max = Math.max(value.max, me.max);\r\n\r\n\t\t\t\t\t\tif (value.min !== 0) {\r\n\t\t\t\t\t\t\tme.minNotZero = Math.min(value.min, me.minNotZero);\r\n\t\t\t\t\t\t}\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tme.min = helpers$1.isFinite(me.min) ? me.min : null;\r\n\t\tme.max = helpers$1.isFinite(me.max) ? me.max : null;\r\n\t\tme.minNotZero = helpers$1.isFinite(me.minNotZero) ? me.minNotZero : null;\r\n\r\n\t\t// Common base implementation to handle ticks.min, ticks.max\r\n\t\tthis.handleTickRangeOptions();\r\n\t},\r\n\r\n\thandleTickRangeOptions: function() {\r\n\t\tvar me = this;\r\n\t\tvar tickOpts = me.options.ticks;\r\n\t\tvar DEFAULT_MIN = 1;\r\n\t\tvar DEFAULT_MAX = 10;\r\n\r\n\t\tme.min = nonNegativeOrDefault(tickOpts.min, me.min);\r\n\t\tme.max = nonNegativeOrDefault(tickOpts.max, me.max);\r\n\r\n\t\tif (me.min === me.max) {\r\n\t\t\tif (me.min !== 0 && me.min !== null) {\r\n\t\t\t\tme.min = Math.pow(10, Math.floor(log10(me.min)) - 1);\r\n\t\t\t\tme.max = Math.pow(10, Math.floor(log10(me.max)) + 1);\r\n\t\t\t} else {\r\n\t\t\t\tme.min = DEFAULT_MIN;\r\n\t\t\t\tme.max = DEFAULT_MAX;\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (me.min === null) {\r\n\t\t\tme.min = Math.pow(10, Math.floor(log10(me.max)) - 1);\r\n\t\t}\r\n\t\tif (me.max === null) {\r\n\t\t\tme.max = me.min !== 0\r\n\t\t\t\t? Math.pow(10, Math.floor(log10(me.min)) + 1)\r\n\t\t\t\t: DEFAULT_MAX;\r\n\t\t}\r\n\t\tif (me.minNotZero === null) {\r\n\t\t\tif (me.min > 0) {\r\n\t\t\t\tme.minNotZero = me.min;\r\n\t\t\t} else if (me.max < 1) {\r\n\t\t\t\tme.minNotZero = Math.pow(10, Math.floor(log10(me.max)));\r\n\t\t\t} else {\r\n\t\t\t\tme.minNotZero = DEFAULT_MIN;\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\tbuildTicks: function() {\r\n\t\tvar me = this;\r\n\t\tvar tickOpts = me.options.ticks;\r\n\t\tvar reverse = !me.isHorizontal();\r\n\r\n\t\tvar generationOptions = {\r\n\t\t\tmin: nonNegativeOrDefault(tickOpts.min),\r\n\t\t\tmax: nonNegativeOrDefault(tickOpts.max)\r\n\t\t};\r\n\t\tvar ticks = me.ticks = generateTicks$1(generationOptions, me);\r\n\r\n\t\t// At this point, we need to update our max and min given the tick values since we have expanded the\r\n\t\t// range of the scale\r\n\t\tme.max = helpers$1.max(ticks);\r\n\t\tme.min = helpers$1.min(ticks);\r\n\r\n\t\tif (tickOpts.reverse) {\r\n\t\t\treverse = !reverse;\r\n\t\t\tme.start = me.max;\r\n\t\t\tme.end = me.min;\r\n\t\t} else {\r\n\t\t\tme.start = me.min;\r\n\t\t\tme.end = me.max;\r\n\t\t}\r\n\t\tif (reverse) {\r\n\t\t\tticks.reverse();\r\n\t\t}\r\n\t},\r\n\r\n\tconvertTicksToLabels: function() {\r\n\t\tthis.tickValues = this.ticks.slice();\r\n\r\n\t\tcore_scale.prototype.convertTicksToLabels.call(this);\r\n\t},\r\n\r\n\t// Get the correct tooltip label\r\n\tgetLabelForIndex: function(index, datasetIndex) {\r\n\t\treturn this._getScaleLabel(this.chart.data.datasets[datasetIndex].data[index]);\r\n\t},\r\n\r\n\tgetPixelForTick: function(index) {\r\n\t\tvar ticks = this.tickValues;\r\n\t\tif (index < 0 || index > ticks.length - 1) {\r\n\t\t\treturn null;\r\n\t\t}\r\n\t\treturn this.getPixelForValue(ticks[index]);\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the value of the first tick.\r\n\t * @param {number} value - The minimum not zero value.\r\n\t * @return {number} The first tick value.\r\n\t * @private\r\n\t */\r\n\t_getFirstTickValue: function(value) {\r\n\t\tvar exp = Math.floor(log10(value));\r\n\t\tvar significand = Math.floor(value / Math.pow(10, exp));\r\n\r\n\t\treturn significand * Math.pow(10, exp);\r\n\t},\r\n\r\n\t_configure: function() {\r\n\t\tvar me = this;\r\n\t\tvar start = me.min;\r\n\t\tvar offset = 0;\r\n\r\n\t\tcore_scale.prototype._configure.call(me);\r\n\r\n\t\tif (start === 0) {\r\n\t\t\tstart = me._getFirstTickValue(me.minNotZero);\r\n\t\t\toffset = valueOrDefault$b(me.options.ticks.fontSize, core_defaults.global.defaultFontSize) / me._length;\r\n\t\t}\r\n\r\n\t\tme._startValue = log10(start);\r\n\t\tme._valueOffset = offset;\r\n\t\tme._valueRange = (log10(me.max) - log10(start)) / (1 - offset);\r\n\t},\r\n\r\n\tgetPixelForValue: function(value) {\r\n\t\tvar me = this;\r\n\t\tvar decimal = 0;\r\n\r\n\t\tvalue = +me.getRightValue(value);\r\n\r\n\t\tif (value > me.min && value > 0) {\r\n\t\t\tdecimal = (log10(value) - me._startValue) / me._valueRange + me._valueOffset;\r\n\t\t}\r\n\t\treturn me.getPixelForDecimal(decimal);\r\n\t},\r\n\r\n\tgetValueForPixel: function(pixel) {\r\n\t\tvar me = this;\r\n\t\tvar decimal = me.getDecimalForPixel(pixel);\r\n\t\treturn decimal === 0 && me.min === 0\r\n\t\t\t? 0\r\n\t\t\t: Math.pow(10, me._startValue + (decimal - me._valueOffset) * me._valueRange);\r\n\t}\r\n});\r\n\r\n// INTERNAL: static default options, registered in src/index.js\r\nvar _defaults$2 = defaultConfig$2;\nscale_logarithmic._defaults = _defaults$2;\n\nvar valueOrDefault$c = helpers$1.valueOrDefault;\r\nvar valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault;\r\nvar resolve$4 = helpers$1.options.resolve;\r\n\r\nvar defaultConfig$3 = {\r\n\tdisplay: true,\r\n\r\n\t// Boolean - Whether to animate scaling the chart from the centre\r\n\tanimate: true,\r\n\tposition: 'chartArea',\r\n\r\n\tangleLines: {\r\n\t\tdisplay: true,\r\n\t\tcolor: 'rgba(0,0,0,0.1)',\r\n\t\tlineWidth: 1,\r\n\t\tborderDash: [],\r\n\t\tborderDashOffset: 0.0\r\n\t},\r\n\r\n\tgridLines: {\r\n\t\tcircular: false\r\n\t},\r\n\r\n\t// label settings\r\n\tticks: {\r\n\t\t// Boolean - Show a backdrop to the scale label\r\n\t\tshowLabelBackdrop: true,\r\n\r\n\t\t// String - The colour of the label backdrop\r\n\t\tbackdropColor: 'rgba(255,255,255,0.75)',\r\n\r\n\t\t// Number - The backdrop padding above & below the label in pixels\r\n\t\tbackdropPaddingY: 2,\r\n\r\n\t\t// Number - The backdrop padding to the side of the label in pixels\r\n\t\tbackdropPaddingX: 2,\r\n\r\n\t\tcallback: core_ticks.formatters.linear\r\n\t},\r\n\r\n\tpointLabels: {\r\n\t\t// Boolean - if true, show point labels\r\n\t\tdisplay: true,\r\n\r\n\t\t// Number - Point label font size in pixels\r\n\t\tfontSize: 10,\r\n\r\n\t\t// Function - Used to convert point labels\r\n\t\tcallback: function(label) {\r\n\t\t\treturn label;\r\n\t\t}\r\n\t}\r\n};\r\n\r\nfunction getTickBackdropHeight(opts) {\r\n\tvar tickOpts = opts.ticks;\r\n\r\n\tif (tickOpts.display && opts.display) {\r\n\t\treturn valueOrDefault$c(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2;\r\n\t}\r\n\treturn 0;\r\n}\r\n\r\nfunction measureLabelSize(ctx, lineHeight, label) {\r\n\tif (helpers$1.isArray(label)) {\r\n\t\treturn {\r\n\t\t\tw: helpers$1.longestText(ctx, ctx.font, label),\r\n\t\t\th: label.length * lineHeight\r\n\t\t};\r\n\t}\r\n\r\n\treturn {\r\n\t\tw: ctx.measureText(label).width,\r\n\t\th: lineHeight\r\n\t};\r\n}\r\n\r\nfunction determineLimits(angle, pos, size, min, max) {\r\n\tif (angle === min || angle === max) {\r\n\t\treturn {\r\n\t\t\tstart: pos - (size / 2),\r\n\t\t\tend: pos + (size / 2)\r\n\t\t};\r\n\t} else if (angle < min || angle > max) {\r\n\t\treturn {\r\n\t\t\tstart: pos - size,\r\n\t\t\tend: pos\r\n\t\t};\r\n\t}\r\n\r\n\treturn {\r\n\t\tstart: pos,\r\n\t\tend: pos + size\r\n\t};\r\n}\r\n\r\n/**\r\n * Helper function to fit a radial linear scale with point labels\r\n */\r\nfunction fitWithPointLabels(scale) {\r\n\r\n\t// Right, this is really confusing and there is a lot of maths going on here\r\n\t// The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\r\n\t//\r\n\t// Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\r\n\t//\r\n\t// Solution:\r\n\t//\r\n\t// We assume the radius of the polygon is half the size of the canvas at first\r\n\t// at each index we check if the text overlaps.\r\n\t//\r\n\t// Where it does, we store that angle and that index.\r\n\t//\r\n\t// After finding the largest index and angle we calculate how much we need to remove\r\n\t// from the shape radius to move the point inwards by that x.\r\n\t//\r\n\t// We average the left and right distances to get the maximum shape radius that can fit in the box\r\n\t// along with labels.\r\n\t//\r\n\t// Once we have that, we can find the centre point for the chart, by taking the x text protrusion\r\n\t// on each side, removing that from the size, halving it and adding the left x protrusion width.\r\n\t//\r\n\t// This will mean we have a shape fitted to the canvas, as large as it can be with the labels\r\n\t// and position it in the most space efficient manner\r\n\t//\r\n\t// https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\r\n\r\n\tvar plFont = helpers$1.options._parseFont(scale.options.pointLabels);\r\n\r\n\t// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\r\n\t// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\r\n\tvar furthestLimits = {\r\n\t\tl: 0,\r\n\t\tr: scale.width,\r\n\t\tt: 0,\r\n\t\tb: scale.height - scale.paddingTop\r\n\t};\r\n\tvar furthestAngles = {};\r\n\tvar i, textSize, pointPosition;\r\n\r\n\tscale.ctx.font = plFont.string;\r\n\tscale._pointLabelSizes = [];\r\n\r\n\tvar valueCount = scale.chart.data.labels.length;\r\n\tfor (i = 0; i < valueCount; i++) {\r\n\t\tpointPosition = scale.getPointPosition(i, scale.drawingArea + 5);\r\n\t\ttextSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i]);\r\n\t\tscale._pointLabelSizes[i] = textSize;\r\n\r\n\t\t// Add quarter circle to make degree 0 mean top of circle\r\n\t\tvar angleRadians = scale.getIndexAngle(i);\r\n\t\tvar angle = helpers$1.toDegrees(angleRadians) % 360;\r\n\t\tvar hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\r\n\t\tvar vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\r\n\r\n\t\tif (hLimits.start < furthestLimits.l) {\r\n\t\t\tfurthestLimits.l = hLimits.start;\r\n\t\t\tfurthestAngles.l = angleRadians;\r\n\t\t}\r\n\r\n\t\tif (hLimits.end > furthestLimits.r) {\r\n\t\t\tfurthestLimits.r = hLimits.end;\r\n\t\t\tfurthestAngles.r = angleRadians;\r\n\t\t}\r\n\r\n\t\tif (vLimits.start < furthestLimits.t) {\r\n\t\t\tfurthestLimits.t = vLimits.start;\r\n\t\t\tfurthestAngles.t = angleRadians;\r\n\t\t}\r\n\r\n\t\tif (vLimits.end > furthestLimits.b) {\r\n\t\t\tfurthestLimits.b = vLimits.end;\r\n\t\t\tfurthestAngles.b = angleRadians;\r\n\t\t}\r\n\t}\r\n\r\n\tscale.setReductions(scale.drawingArea, furthestLimits, furthestAngles);\r\n}\r\n\r\nfunction getTextAlignForAngle(angle) {\r\n\tif (angle === 0 || angle === 180) {\r\n\t\treturn 'center';\r\n\t} else if (angle < 180) {\r\n\t\treturn 'left';\r\n\t}\r\n\r\n\treturn 'right';\r\n}\r\n\r\nfunction fillText(ctx, text, position, lineHeight) {\r\n\tvar y = position.y + lineHeight / 2;\r\n\tvar i, ilen;\r\n\r\n\tif (helpers$1.isArray(text)) {\r\n\t\tfor (i = 0, ilen = text.length; i < ilen; ++i) {\r\n\t\t\tctx.fillText(text[i], position.x, y);\r\n\t\t\ty += lineHeight;\r\n\t\t}\r\n\t} else {\r\n\t\tctx.fillText(text, position.x, y);\r\n\t}\r\n}\r\n\r\nfunction adjustPointPositionForLabelHeight(angle, textSize, position) {\r\n\tif (angle === 90 || angle === 270) {\r\n\t\tposition.y -= (textSize.h / 2);\r\n\t} else if (angle > 270 || angle < 90) {\r\n\t\tposition.y -= textSize.h;\r\n\t}\r\n}\r\n\r\nfunction drawPointLabels(scale) {\r\n\tvar ctx = scale.ctx;\r\n\tvar opts = scale.options;\r\n\tvar pointLabelOpts = opts.pointLabels;\r\n\tvar tickBackdropHeight = getTickBackdropHeight(opts);\r\n\tvar outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\r\n\tvar plFont = helpers$1.options._parseFont(pointLabelOpts);\r\n\r\n\tctx.save();\r\n\r\n\tctx.font = plFont.string;\r\n\tctx.textBaseline = 'middle';\r\n\r\n\tfor (var i = scale.chart.data.labels.length - 1; i >= 0; i--) {\r\n\t\t// Extra pixels out for some label spacing\r\n\t\tvar extra = (i === 0 ? tickBackdropHeight / 2 : 0);\r\n\t\tvar pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5);\r\n\r\n\t\t// Keep this in loop since we may support array properties here\r\n\t\tvar pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor);\r\n\t\tctx.fillStyle = pointLabelFontColor;\r\n\r\n\t\tvar angleRadians = scale.getIndexAngle(i);\r\n\t\tvar angle = helpers$1.toDegrees(angleRadians);\r\n\t\tctx.textAlign = getTextAlignForAngle(angle);\r\n\t\tadjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\r\n\t\tfillText(ctx, scale.pointLabels[i], pointLabelPosition, plFont.lineHeight);\r\n\t}\r\n\tctx.restore();\r\n}\r\n\r\nfunction drawRadiusLine(scale, gridLineOpts, radius, index) {\r\n\tvar ctx = scale.ctx;\r\n\tvar circular = gridLineOpts.circular;\r\n\tvar valueCount = scale.chart.data.labels.length;\r\n\tvar lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1);\r\n\tvar lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1);\r\n\tvar pointPosition;\r\n\r\n\tif ((!circular && !valueCount) || !lineColor || !lineWidth) {\r\n\t\treturn;\r\n\t}\r\n\r\n\tctx.save();\r\n\tctx.strokeStyle = lineColor;\r\n\tctx.lineWidth = lineWidth;\r\n\tif (ctx.setLineDash) {\r\n\t\tctx.setLineDash(gridLineOpts.borderDash || []);\r\n\t\tctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0;\r\n\t}\r\n\r\n\tctx.beginPath();\r\n\tif (circular) {\r\n\t\t// Draw circular arcs between the points\r\n\t\tctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\r\n\t} else {\r\n\t\t// Draw straight lines connecting each index\r\n\t\tpointPosition = scale.getPointPosition(0, radius);\r\n\t\tctx.moveTo(pointPosition.x, pointPosition.y);\r\n\r\n\t\tfor (var i = 1; i < valueCount; i++) {\r\n\t\t\tpointPosition = scale.getPointPosition(i, radius);\r\n\t\t\tctx.lineTo(pointPosition.x, pointPosition.y);\r\n\t\t}\r\n\t}\r\n\tctx.closePath();\r\n\tctx.stroke();\r\n\tctx.restore();\r\n}\r\n\r\nfunction numberOrZero(param) {\r\n\treturn helpers$1.isNumber(param) ? param : 0;\r\n}\r\n\r\nvar scale_radialLinear = scale_linearbase.extend({\r\n\tsetDimensions: function() {\r\n\t\tvar me = this;\r\n\r\n\t\t// Set the unconstrained dimension before label rotation\r\n\t\tme.width = me.maxWidth;\r\n\t\tme.height = me.maxHeight;\r\n\t\tme.paddingTop = getTickBackdropHeight(me.options) / 2;\r\n\t\tme.xCenter = Math.floor(me.width / 2);\r\n\t\tme.yCenter = Math.floor((me.height - me.paddingTop) / 2);\r\n\t\tme.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2;\r\n\t},\r\n\r\n\tdetermineDataLimits: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar min = Number.POSITIVE_INFINITY;\r\n\t\tvar max = Number.NEGATIVE_INFINITY;\r\n\r\n\t\thelpers$1.each(chart.data.datasets, function(dataset, datasetIndex) {\r\n\t\t\tif (chart.isDatasetVisible(datasetIndex)) {\r\n\t\t\t\tvar meta = chart.getDatasetMeta(datasetIndex);\r\n\r\n\t\t\t\thelpers$1.each(dataset.data, function(rawValue, index) {\r\n\t\t\t\t\tvar value = +me.getRightValue(rawValue);\r\n\t\t\t\t\tif (isNaN(value) || meta.data[index].hidden) {\r\n\t\t\t\t\t\treturn;\r\n\t\t\t\t\t}\r\n\r\n\t\t\t\t\tmin = Math.min(value, min);\r\n\t\t\t\t\tmax = Math.max(value, max);\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\tme.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\r\n\t\tme.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\r\n\r\n\t\t// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\r\n\t\tme.handleTickRangeOptions();\r\n\t},\r\n\r\n\t// Returns the maximum number of ticks based on the scale dimension\r\n\t_computeTickLimit: function() {\r\n\t\treturn Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));\r\n\t},\r\n\r\n\tconvertTicksToLabels: function() {\r\n\t\tvar me = this;\r\n\r\n\t\tscale_linearbase.prototype.convertTicksToLabels.call(me);\r\n\r\n\t\t// Point labels\r\n\t\tme.pointLabels = me.chart.data.labels.map(function() {\r\n\t\t\tvar label = helpers$1.callback(me.options.pointLabels.callback, arguments, me);\r\n\t\t\treturn label || label === 0 ? label : '';\r\n\t\t});\r\n\t},\r\n\r\n\tgetLabelForIndex: function(index, datasetIndex) {\r\n\t\treturn +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\r\n\t},\r\n\r\n\tfit: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\r\n\t\tif (opts.display && opts.pointLabels.display) {\r\n\t\t\tfitWithPointLabels(me);\r\n\t\t} else {\r\n\t\t\tme.setCenterPoint(0, 0, 0, 0);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Set radius reductions and determine new radius and center point\r\n\t * @private\r\n\t */\r\n\tsetReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\r\n\t\tvar me = this;\r\n\t\tvar radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\r\n\t\tvar radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\r\n\t\tvar radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\r\n\t\tvar radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b);\r\n\r\n\t\tradiusReductionLeft = numberOrZero(radiusReductionLeft);\r\n\t\tradiusReductionRight = numberOrZero(radiusReductionRight);\r\n\t\tradiusReductionTop = numberOrZero(radiusReductionTop);\r\n\t\tradiusReductionBottom = numberOrZero(radiusReductionBottom);\r\n\r\n\t\tme.drawingArea = Math.min(\r\n\t\t\tMath.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\r\n\t\t\tMath.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\r\n\t\tme.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\r\n\t},\r\n\r\n\tsetCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\r\n\t\tvar me = this;\r\n\t\tvar maxRight = me.width - rightMovement - me.drawingArea;\r\n\t\tvar maxLeft = leftMovement + me.drawingArea;\r\n\t\tvar maxTop = topMovement + me.drawingArea;\r\n\t\tvar maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea;\r\n\r\n\t\tme.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left);\r\n\t\tme.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop);\r\n\t},\r\n\r\n\tgetIndexAngle: function(index) {\r\n\t\tvar chart = this.chart;\r\n\t\tvar angleMultiplier = 360 / chart.data.labels.length;\r\n\t\tvar options = chart.options || {};\r\n\t\tvar startAngle = options.startAngle || 0;\r\n\r\n\t\t// Start from the top instead of right, so remove a quarter of the circle\r\n\t\tvar angle = (index * angleMultiplier + startAngle) % 360;\r\n\r\n\t\treturn (angle < 0 ? angle + 360 : angle) * Math.PI * 2 / 360;\r\n\t},\r\n\r\n\tgetDistanceFromCenterForValue: function(value) {\r\n\t\tvar me = this;\r\n\r\n\t\tif (helpers$1.isNullOrUndef(value)) {\r\n\t\t\treturn NaN;\r\n\t\t}\r\n\r\n\t\t// Take into account half font size + the yPadding of the top value\r\n\t\tvar scalingFactor = me.drawingArea / (me.max - me.min);\r\n\t\tif (me.options.ticks.reverse) {\r\n\t\t\treturn (me.max - value) * scalingFactor;\r\n\t\t}\r\n\t\treturn (value - me.min) * scalingFactor;\r\n\t},\r\n\r\n\tgetPointPosition: function(index, distanceFromCenter) {\r\n\t\tvar me = this;\r\n\t\tvar thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\r\n\t\treturn {\r\n\t\t\tx: Math.cos(thisAngle) * distanceFromCenter + me.xCenter,\r\n\t\t\ty: Math.sin(thisAngle) * distanceFromCenter + me.yCenter\r\n\t\t};\r\n\t},\r\n\r\n\tgetPointPositionForValue: function(index, value) {\r\n\t\treturn this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\r\n\t},\r\n\r\n\tgetBasePosition: function(index) {\r\n\t\tvar me = this;\r\n\t\tvar min = me.min;\r\n\t\tvar max = me.max;\r\n\r\n\t\treturn me.getPointPositionForValue(index || 0,\r\n\t\t\tme.beginAtZero ? 0 :\r\n\t\t\tmin < 0 && max < 0 ? max :\r\n\t\t\tmin > 0 && max > 0 ? min :\r\n\t\t\t0);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawGrid: function() {\r\n\t\tvar me = this;\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar opts = me.options;\r\n\t\tvar gridLineOpts = opts.gridLines;\r\n\t\tvar angleLineOpts = opts.angleLines;\r\n\t\tvar lineWidth = valueOrDefault$c(angleLineOpts.lineWidth, gridLineOpts.lineWidth);\r\n\t\tvar lineColor = valueOrDefault$c(angleLineOpts.color, gridLineOpts.color);\r\n\t\tvar i, offset, position;\r\n\r\n\t\tif (opts.pointLabels.display) {\r\n\t\t\tdrawPointLabels(me);\r\n\t\t}\r\n\r\n\t\tif (gridLineOpts.display) {\r\n\t\t\thelpers$1.each(me.ticks, function(label, index) {\r\n\t\t\t\tif (index !== 0) {\r\n\t\t\t\t\toffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\r\n\t\t\t\t\tdrawRadiusLine(me, gridLineOpts, offset, index);\r\n\t\t\t\t}\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tif (angleLineOpts.display && lineWidth && lineColor) {\r\n\t\t\tctx.save();\r\n\t\t\tctx.lineWidth = lineWidth;\r\n\t\t\tctx.strokeStyle = lineColor;\r\n\t\t\tif (ctx.setLineDash) {\r\n\t\t\t\tctx.setLineDash(resolve$4([angleLineOpts.borderDash, gridLineOpts.borderDash, []]));\r\n\t\t\t\tctx.lineDashOffset = resolve$4([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]);\r\n\t\t\t}\r\n\r\n\t\t\tfor (i = me.chart.data.labels.length - 1; i >= 0; i--) {\r\n\t\t\t\toffset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max);\r\n\t\t\t\tposition = me.getPointPosition(i, offset);\r\n\t\t\t\tctx.beginPath();\r\n\t\t\t\tctx.moveTo(me.xCenter, me.yCenter);\r\n\t\t\t\tctx.lineTo(position.x, position.y);\r\n\t\t\t\tctx.stroke();\r\n\t\t\t}\r\n\r\n\t\t\tctx.restore();\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawLabels: function() {\r\n\t\tvar me = this;\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar opts = me.options;\r\n\t\tvar tickOpts = opts.ticks;\r\n\r\n\t\tif (!tickOpts.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar startAngle = me.getIndexAngle(0);\r\n\t\tvar tickFont = helpers$1.options._parseFont(tickOpts);\r\n\t\tvar tickFontColor = valueOrDefault$c(tickOpts.fontColor, core_defaults.global.defaultFontColor);\r\n\t\tvar offset, width;\r\n\r\n\t\tctx.save();\r\n\t\tctx.font = tickFont.string;\r\n\t\tctx.translate(me.xCenter, me.yCenter);\r\n\t\tctx.rotate(startAngle);\r\n\t\tctx.textAlign = 'center';\r\n\t\tctx.textBaseline = 'middle';\r\n\r\n\t\thelpers$1.each(me.ticks, function(label, index) {\r\n\t\t\tif (index === 0 && !tickOpts.reverse) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\r\n\t\t\toffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\r\n\r\n\t\t\tif (tickOpts.showLabelBackdrop) {\r\n\t\t\t\twidth = ctx.measureText(label).width;\r\n\t\t\t\tctx.fillStyle = tickOpts.backdropColor;\r\n\r\n\t\t\t\tctx.fillRect(\r\n\t\t\t\t\t-width / 2 - tickOpts.backdropPaddingX,\r\n\t\t\t\t\t-offset - tickFont.size / 2 - tickOpts.backdropPaddingY,\r\n\t\t\t\t\twidth + tickOpts.backdropPaddingX * 2,\r\n\t\t\t\t\ttickFont.size + tickOpts.backdropPaddingY * 2\r\n\t\t\t\t);\r\n\t\t\t}\r\n\r\n\t\t\tctx.fillStyle = tickFontColor;\r\n\t\t\tctx.fillText(label, 0, -offset);\r\n\t\t});\r\n\r\n\t\tctx.restore();\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_drawTitle: helpers$1.noop\r\n});\r\n\r\n// INTERNAL: static default options, registered in src/index.js\r\nvar _defaults$3 = defaultConfig$3;\nscale_radialLinear._defaults = _defaults$3;\n\nvar deprecated$1 = helpers$1._deprecated;\r\nvar resolve$5 = helpers$1.options.resolve;\r\nvar valueOrDefault$d = helpers$1.valueOrDefault;\r\n\r\n// Integer constants are from the ES6 spec.\r\nvar MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\r\nvar MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\r\n\r\nvar INTERVALS = {\r\n\tmillisecond: {\r\n\t\tcommon: true,\r\n\t\tsize: 1,\r\n\t\tsteps: 1000\r\n\t},\r\n\tsecond: {\r\n\t\tcommon: true,\r\n\t\tsize: 1000,\r\n\t\tsteps: 60\r\n\t},\r\n\tminute: {\r\n\t\tcommon: true,\r\n\t\tsize: 60000,\r\n\t\tsteps: 60\r\n\t},\r\n\thour: {\r\n\t\tcommon: true,\r\n\t\tsize: 3600000,\r\n\t\tsteps: 24\r\n\t},\r\n\tday: {\r\n\t\tcommon: true,\r\n\t\tsize: 86400000,\r\n\t\tsteps: 30\r\n\t},\r\n\tweek: {\r\n\t\tcommon: false,\r\n\t\tsize: 604800000,\r\n\t\tsteps: 4\r\n\t},\r\n\tmonth: {\r\n\t\tcommon: true,\r\n\t\tsize: 2.628e9,\r\n\t\tsteps: 12\r\n\t},\r\n\tquarter: {\r\n\t\tcommon: false,\r\n\t\tsize: 7.884e9,\r\n\t\tsteps: 4\r\n\t},\r\n\tyear: {\r\n\t\tcommon: true,\r\n\t\tsize: 3.154e10\r\n\t}\r\n};\r\n\r\nvar UNITS = Object.keys(INTERVALS);\r\n\r\nfunction sorter(a, b) {\r\n\treturn a - b;\r\n}\r\n\r\nfunction arrayUnique(items) {\r\n\tvar hash = {};\r\n\tvar out = [];\r\n\tvar i, ilen, item;\r\n\r\n\tfor (i = 0, ilen = items.length; i < ilen; ++i) {\r\n\t\titem = items[i];\r\n\t\tif (!hash[item]) {\r\n\t\t\thash[item] = true;\r\n\t\t\tout.push(item);\r\n\t\t}\r\n\t}\r\n\r\n\treturn out;\r\n}\r\n\r\nfunction getMin(options) {\r\n\treturn helpers$1.valueOrDefault(options.time.min, options.ticks.min);\r\n}\r\n\r\nfunction getMax(options) {\r\n\treturn helpers$1.valueOrDefault(options.time.max, options.ticks.max);\r\n}\r\n\r\n/**\r\n * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\r\n * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\r\n * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\r\n * extremity (left + width or top + height). Note that it would be more optimized to directly\r\n * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\r\n * to create the lookup table. The table ALWAYS contains at least two items: min and max.\r\n *\r\n * @param {number[]} timestamps - timestamps sorted from lowest to highest.\r\n * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min\r\n * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\r\n * If 'series', timestamps will be positioned at the same distance from each other. In this\r\n * case, only timestamps that break the time linearity are registered, meaning that in the\r\n * best case, all timestamps are linear, the table contains only min and max.\r\n */\r\nfunction buildLookupTable(timestamps, min, max, distribution) {\r\n\tif (distribution === 'linear' || !timestamps.length) {\r\n\t\treturn [\r\n\t\t\t{time: min, pos: 0},\r\n\t\t\t{time: max, pos: 1}\r\n\t\t];\r\n\t}\r\n\r\n\tvar table = [];\r\n\tvar items = [min];\r\n\tvar i, ilen, prev, curr, next;\r\n\r\n\tfor (i = 0, ilen = timestamps.length; i < ilen; ++i) {\r\n\t\tcurr = timestamps[i];\r\n\t\tif (curr > min && curr < max) {\r\n\t\t\titems.push(curr);\r\n\t\t}\r\n\t}\r\n\r\n\titems.push(max);\r\n\r\n\tfor (i = 0, ilen = items.length; i < ilen; ++i) {\r\n\t\tnext = items[i + 1];\r\n\t\tprev = items[i - 1];\r\n\t\tcurr = items[i];\r\n\r\n\t\t// only add points that breaks the scale linearity\r\n\t\tif (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\r\n\t\t\ttable.push({time: curr, pos: i / (ilen - 1)});\r\n\t\t}\r\n\t}\r\n\r\n\treturn table;\r\n}\r\n\r\n// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\r\nfunction lookup(table, key, value) {\r\n\tvar lo = 0;\r\n\tvar hi = table.length - 1;\r\n\tvar mid, i0, i1;\r\n\r\n\twhile (lo >= 0 && lo <= hi) {\r\n\t\tmid = (lo + hi) >> 1;\r\n\t\ti0 = table[mid - 1] || null;\r\n\t\ti1 = table[mid];\r\n\r\n\t\tif (!i0) {\r\n\t\t\t// given value is outside table (before first item)\r\n\t\t\treturn {lo: null, hi: i1};\r\n\t\t} else if (i1[key] < value) {\r\n\t\t\tlo = mid + 1;\r\n\t\t} else if (i0[key] > value) {\r\n\t\t\thi = mid - 1;\r\n\t\t} else {\r\n\t\t\treturn {lo: i0, hi: i1};\r\n\t\t}\r\n\t}\r\n\r\n\t// given value is outside table (after last item)\r\n\treturn {lo: i1, hi: null};\r\n}\r\n\r\n/**\r\n * Linearly interpolates the given source `value` using the table items `skey` values and\r\n * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\r\n * returns the position for a timestamp equal to 42. If value is out of bounds, values at\r\n * index [0, 1] or [n - 1, n] are used for the interpolation.\r\n */\r\nfunction interpolate$1(table, skey, sval, tkey) {\r\n\tvar range = lookup(table, skey, sval);\r\n\r\n\t// Note: the lookup table ALWAYS contains at least 2 items (min and max)\r\n\tvar prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\r\n\tvar next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\r\n\r\n\tvar span = next[skey] - prev[skey];\r\n\tvar ratio = span ? (sval - prev[skey]) / span : 0;\r\n\tvar offset = (next[tkey] - prev[tkey]) * ratio;\r\n\r\n\treturn prev[tkey] + offset;\r\n}\r\n\r\nfunction toTimestamp(scale, input) {\r\n\tvar adapter = scale._adapter;\r\n\tvar options = scale.options.time;\r\n\tvar parser = options.parser;\r\n\tvar format = parser || options.format;\r\n\tvar value = input;\r\n\r\n\tif (typeof parser === 'function') {\r\n\t\tvalue = parser(value);\r\n\t}\r\n\r\n\t// Only parse if its not a timestamp already\r\n\tif (!helpers$1.isFinite(value)) {\r\n\t\tvalue = typeof format === 'string'\r\n\t\t\t? adapter.parse(value, format)\r\n\t\t\t: adapter.parse(value);\r\n\t}\r\n\r\n\tif (value !== null) {\r\n\t\treturn +value;\r\n\t}\r\n\r\n\t// Labels are in an incompatible format and no `parser` has been provided.\r\n\t// The user might still use the deprecated `format` option for parsing.\r\n\tif (!parser && typeof format === 'function') {\r\n\t\tvalue = format(input);\r\n\r\n\t\t// `format` could return something else than a timestamp, if so, parse it\r\n\t\tif (!helpers$1.isFinite(value)) {\r\n\t\t\tvalue = adapter.parse(value);\r\n\t\t}\r\n\t}\r\n\r\n\treturn value;\r\n}\r\n\r\nfunction parse(scale, input) {\r\n\tif (helpers$1.isNullOrUndef(input)) {\r\n\t\treturn null;\r\n\t}\r\n\r\n\tvar options = scale.options.time;\r\n\tvar value = toTimestamp(scale, scale.getRightValue(input));\r\n\tif (value === null) {\r\n\t\treturn value;\r\n\t}\r\n\r\n\tif (options.round) {\r\n\t\tvalue = +scale._adapter.startOf(value, options.round);\r\n\t}\r\n\r\n\treturn value;\r\n}\r\n\r\n/**\r\n * Figures out what unit results in an appropriate number of auto-generated ticks\r\n */\r\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\r\n\tvar ilen = UNITS.length;\r\n\tvar i, interval, factor;\r\n\r\n\tfor (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\r\n\t\tinterval = INTERVALS[UNITS[i]];\r\n\t\tfactor = interval.steps ? interval.steps : MAX_INTEGER;\r\n\r\n\t\tif (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\r\n\t\t\treturn UNITS[i];\r\n\t\t}\r\n\t}\r\n\r\n\treturn UNITS[ilen - 1];\r\n}\r\n\r\n/**\r\n * Figures out what unit to format a set of ticks with\r\n */\r\nfunction determineUnitForFormatting(scale, numTicks, minUnit, min, max) {\r\n\tvar i, unit;\r\n\r\n\tfor (i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {\r\n\t\tunit = UNITS[i];\r\n\t\tif (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {\r\n\t\t\treturn unit;\r\n\t\t}\r\n\t}\r\n\r\n\treturn UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];\r\n}\r\n\r\nfunction determineMajorUnit(unit) {\r\n\tfor (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\r\n\t\tif (INTERVALS[UNITS[i]].common) {\r\n\t\t\treturn UNITS[i];\r\n\t\t}\r\n\t}\r\n}\r\n\r\n/**\r\n * Generates a maximum of `capacity` timestamps between min and max, rounded to the\r\n * `minor` unit using the given scale time `options`.\r\n * Important: this method can return ticks outside the min and max range, it's the\r\n * responsibility of the calling code to clamp values if needed.\r\n */\r\nfunction generate(scale, min, max, capacity) {\r\n\tvar adapter = scale._adapter;\r\n\tvar options = scale.options;\r\n\tvar timeOpts = options.time;\r\n\tvar minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity);\r\n\tvar stepSize = resolve$5([timeOpts.stepSize, timeOpts.unitStepSize, 1]);\r\n\tvar weekday = minor === 'week' ? timeOpts.isoWeekday : false;\r\n\tvar first = min;\r\n\tvar ticks = [];\r\n\tvar time;\r\n\r\n\t// For 'week' unit, handle the first day of week option\r\n\tif (weekday) {\r\n\t\tfirst = +adapter.startOf(first, 'isoWeek', weekday);\r\n\t}\r\n\r\n\t// Align first ticks on unit\r\n\tfirst = +adapter.startOf(first, weekday ? 'day' : minor);\r\n\r\n\t// Prevent browser from freezing in case user options request millions of milliseconds\r\n\tif (adapter.diff(max, min, minor) > 100000 * stepSize) {\r\n\t\tthrow min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor;\r\n\t}\r\n\r\n\tfor (time = first; time < max; time = +adapter.add(time, stepSize, minor)) {\r\n\t\tticks.push(time);\r\n\t}\r\n\r\n\tif (time === max || options.bounds === 'ticks') {\r\n\t\tticks.push(time);\r\n\t}\r\n\r\n\treturn ticks;\r\n}\r\n\r\n/**\r\n * Returns the start and end offsets from edges in the form of {start, end}\r\n * where each value is a relative width to the scale and ranges between 0 and 1.\r\n * They add extra margins on the both sides by scaling down the original scale.\r\n * Offsets are added when the `offset` option is true.\r\n */\r\nfunction computeOffsets(table, ticks, min, max, options) {\r\n\tvar start = 0;\r\n\tvar end = 0;\r\n\tvar first, last;\r\n\r\n\tif (options.offset && ticks.length) {\r\n\t\tfirst = interpolate$1(table, 'time', ticks[0], 'pos');\r\n\t\tif (ticks.length === 1) {\r\n\t\t\tstart = 1 - first;\r\n\t\t} else {\r\n\t\t\tstart = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2;\r\n\t\t}\r\n\t\tlast = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos');\r\n\t\tif (ticks.length === 1) {\r\n\t\t\tend = last;\r\n\t\t} else {\r\n\t\t\tend = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2;\r\n\t\t}\r\n\t}\r\n\r\n\treturn {start: start, end: end, factor: 1 / (start + 1 + end)};\r\n}\r\n\r\nfunction setMajorTicks(scale, ticks, map, majorUnit) {\r\n\tvar adapter = scale._adapter;\r\n\tvar first = +adapter.startOf(ticks[0].value, majorUnit);\r\n\tvar last = ticks[ticks.length - 1].value;\r\n\tvar major, index;\r\n\r\n\tfor (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {\r\n\t\tindex = map[major];\r\n\t\tif (index >= 0) {\r\n\t\t\tticks[index].major = true;\r\n\t\t}\r\n\t}\r\n\treturn ticks;\r\n}\r\n\r\nfunction ticksFromTimestamps(scale, values, majorUnit) {\r\n\tvar ticks = [];\r\n\tvar map = {};\r\n\tvar ilen = values.length;\r\n\tvar i, value;\r\n\r\n\tfor (i = 0; i < ilen; ++i) {\r\n\t\tvalue = values[i];\r\n\t\tmap[value] = i;\r\n\r\n\t\tticks.push({\r\n\t\t\tvalue: value,\r\n\t\t\tmajor: false\r\n\t\t});\r\n\t}\r\n\r\n\t// We set the major ticks separately from the above loop because calling startOf for every tick\r\n\t// is expensive when there is a large number of ticks\r\n\treturn (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);\r\n}\r\n\r\nvar defaultConfig$4 = {\r\n\tposition: 'bottom',\r\n\r\n\t/**\r\n\t * Data distribution along the scale:\r\n\t * - 'linear': data are spread according to their time (distances can vary),\r\n\t * - 'series': data are spread at the same distance from each other.\r\n\t * @see https://github.com/chartjs/Chart.js/pull/4507\r\n\t * @since 2.7.0\r\n\t */\r\n\tdistribution: 'linear',\r\n\r\n\t/**\r\n\t * Scale boundary strategy (bypassed by min/max time options)\r\n\t * - `data`: make sure data are fully visible, ticks outside are removed\r\n\t * - `ticks`: make sure ticks are fully visible, data outside are truncated\r\n\t * @see https://github.com/chartjs/Chart.js/pull/4556\r\n\t * @since 2.7.0\r\n\t */\r\n\tbounds: 'data',\r\n\r\n\tadapters: {},\r\n\ttime: {\r\n\t\tparser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\r\n\t\tunit: false, // false == automatic or override with week, month, year, etc.\r\n\t\tround: false, // none, or override with week, month, year, etc.\r\n\t\tdisplayFormat: false, // DEPRECATED\r\n\t\tisoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/\r\n\t\tminUnit: 'millisecond',\r\n\t\tdisplayFormats: {}\r\n\t},\r\n\tticks: {\r\n\t\tautoSkip: false,\r\n\r\n\t\t/**\r\n\t\t * Ticks generation input values:\r\n\t\t * - 'auto': generates \"optimal\" ticks based on scale size and time options.\r\n\t\t * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\r\n\t\t * - 'labels': generates ticks from user given `data.labels` values ONLY.\r\n\t\t * @see https://github.com/chartjs/Chart.js/pull/4507\r\n\t\t * @since 2.7.0\r\n\t\t */\r\n\t\tsource: 'auto',\r\n\r\n\t\tmajor: {\r\n\t\t\tenabled: false\r\n\t\t}\r\n\t}\r\n};\r\n\r\nvar scale_time = core_scale.extend({\r\n\tinitialize: function() {\r\n\t\tthis.mergeTicksOptions();\r\n\t\tcore_scale.prototype.initialize.call(this);\r\n\t},\r\n\r\n\tupdate: function() {\r\n\t\tvar me = this;\r\n\t\tvar options = me.options;\r\n\t\tvar time = options.time || (options.time = {});\r\n\t\tvar adapter = me._adapter = new core_adapters._date(options.adapters.date);\r\n\r\n\t\t// DEPRECATIONS: output a message only one time per update\r\n\t\tdeprecated$1('time scale', time.format, 'time.format', 'time.parser');\r\n\t\tdeprecated$1('time scale', time.min, 'time.min', 'ticks.min');\r\n\t\tdeprecated$1('time scale', time.max, 'time.max', 'ticks.max');\r\n\r\n\t\t// Backward compatibility: before introducing adapter, `displayFormats` was\r\n\t\t// supposed to contain *all* unit/string pairs but this can't be resolved\r\n\t\t// when loading the scale (adapters are loaded afterward), so let's populate\r\n\t\t// missing formats on update\r\n\t\thelpers$1.mergeIf(time.displayFormats, adapter.formats());\r\n\r\n\t\treturn core_scale.prototype.update.apply(me, arguments);\r\n\t},\r\n\r\n\t/**\r\n\t * Allows data to be referenced via 't' attribute\r\n\t */\r\n\tgetRightValue: function(rawValue) {\r\n\t\tif (rawValue && rawValue.t !== undefined) {\r\n\t\t\trawValue = rawValue.t;\r\n\t\t}\r\n\t\treturn core_scale.prototype.getRightValue.call(this, rawValue);\r\n\t},\r\n\r\n\tdetermineDataLimits: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar adapter = me._adapter;\r\n\t\tvar options = me.options;\r\n\t\tvar unit = options.time.unit || 'day';\r\n\t\tvar min = MAX_INTEGER;\r\n\t\tvar max = MIN_INTEGER;\r\n\t\tvar timestamps = [];\r\n\t\tvar datasets = [];\r\n\t\tvar labels = [];\r\n\t\tvar i, j, ilen, jlen, data, timestamp, labelsAdded;\r\n\t\tvar dataLabels = me._getLabels();\r\n\r\n\t\tfor (i = 0, ilen = dataLabels.length; i < ilen; ++i) {\r\n\t\t\tlabels.push(parse(me, dataLabels[i]));\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\r\n\t\t\tif (chart.isDatasetVisible(i)) {\r\n\t\t\t\tdata = chart.data.datasets[i].data;\r\n\r\n\t\t\t\t// Let's consider that all data have the same format.\r\n\t\t\t\tif (helpers$1.isObject(data[0])) {\r\n\t\t\t\t\tdatasets[i] = [];\r\n\r\n\t\t\t\t\tfor (j = 0, jlen = data.length; j < jlen; ++j) {\r\n\t\t\t\t\t\ttimestamp = parse(me, data[j]);\r\n\t\t\t\t\t\ttimestamps.push(timestamp);\r\n\t\t\t\t\t\tdatasets[i][j] = timestamp;\r\n\t\t\t\t\t}\r\n\t\t\t\t} else {\r\n\t\t\t\t\tdatasets[i] = labels.slice(0);\r\n\t\t\t\t\tif (!labelsAdded) {\r\n\t\t\t\t\t\ttimestamps = timestamps.concat(labels);\r\n\t\t\t\t\t\tlabelsAdded = true;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t} else {\r\n\t\t\t\tdatasets[i] = [];\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (labels.length) {\r\n\t\t\tmin = Math.min(min, labels[0]);\r\n\t\t\tmax = Math.max(max, labels[labels.length - 1]);\r\n\t\t}\r\n\r\n\t\tif (timestamps.length) {\r\n\t\t\ttimestamps = ilen > 1 ? arrayUnique(timestamps).sort(sorter) : timestamps.sort(sorter);\r\n\t\t\tmin = Math.min(min, timestamps[0]);\r\n\t\t\tmax = Math.max(max, timestamps[timestamps.length - 1]);\r\n\t\t}\r\n\r\n\t\tmin = parse(me, getMin(options)) || min;\r\n\t\tmax = parse(me, getMax(options)) || max;\r\n\r\n\t\t// In case there is no valid min/max, set limits based on unit time option\r\n\t\tmin = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min;\r\n\t\tmax = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max;\r\n\r\n\t\t// Make sure that max is strictly higher than min (required by the lookup table)\r\n\t\tme.min = Math.min(min, max);\r\n\t\tme.max = Math.max(min + 1, max);\r\n\r\n\t\t// PRIVATE\r\n\t\tme._table = [];\r\n\t\tme._timestamps = {\r\n\t\t\tdata: timestamps,\r\n\t\t\tdatasets: datasets,\r\n\t\t\tlabels: labels\r\n\t\t};\r\n\t},\r\n\r\n\tbuildTicks: function() {\r\n\t\tvar me = this;\r\n\t\tvar min = me.min;\r\n\t\tvar max = me.max;\r\n\t\tvar options = me.options;\r\n\t\tvar tickOpts = options.ticks;\r\n\t\tvar timeOpts = options.time;\r\n\t\tvar timestamps = me._timestamps;\r\n\t\tvar ticks = [];\r\n\t\tvar capacity = me.getLabelCapacity(min);\r\n\t\tvar source = tickOpts.source;\r\n\t\tvar distribution = options.distribution;\r\n\t\tvar i, ilen, timestamp;\r\n\r\n\t\tif (source === 'data' || (source === 'auto' && distribution === 'series')) {\r\n\t\t\ttimestamps = timestamps.data;\r\n\t\t} else if (source === 'labels') {\r\n\t\t\ttimestamps = timestamps.labels;\r\n\t\t} else {\r\n\t\t\ttimestamps = generate(me, min, max, capacity);\r\n\t\t}\r\n\r\n\t\tif (options.bounds === 'ticks' && timestamps.length) {\r\n\t\t\tmin = timestamps[0];\r\n\t\t\tmax = timestamps[timestamps.length - 1];\r\n\t\t}\r\n\r\n\t\t// Enforce limits with user min/max options\r\n\t\tmin = parse(me, getMin(options)) || min;\r\n\t\tmax = parse(me, getMax(options)) || max;\r\n\r\n\t\t// Remove ticks outside the min/max range\r\n\t\tfor (i = 0, ilen = timestamps.length; i < ilen; ++i) {\r\n\t\t\ttimestamp = timestamps[i];\r\n\t\t\tif (timestamp >= min && timestamp <= max) {\r\n\t\t\t\tticks.push(timestamp);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tme.min = min;\r\n\t\tme.max = max;\r\n\r\n\t\t// PRIVATE\r\n\t\t// determineUnitForFormatting relies on the number of ticks so we don't use it when\r\n\t\t// autoSkip is enabled because we don't yet know what the final number of ticks will be\r\n\t\tme._unit = timeOpts.unit || (tickOpts.autoSkip\r\n\t\t\t? determineUnitForAutoTicks(timeOpts.minUnit, me.min, me.max, capacity)\r\n\t\t\t: determineUnitForFormatting(me, ticks.length, timeOpts.minUnit, me.min, me.max));\r\n\t\tme._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined\r\n\t\t\t: determineMajorUnit(me._unit);\r\n\t\tme._table = buildLookupTable(me._timestamps.data, min, max, distribution);\r\n\t\tme._offsets = computeOffsets(me._table, ticks, min, max, options);\r\n\r\n\t\tif (tickOpts.reverse) {\r\n\t\t\tticks.reverse();\r\n\t\t}\r\n\r\n\t\treturn ticksFromTimestamps(me, ticks, me._majorUnit);\r\n\t},\r\n\r\n\tgetLabelForIndex: function(index, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tvar adapter = me._adapter;\r\n\t\tvar data = me.chart.data;\r\n\t\tvar timeOpts = me.options.time;\r\n\t\tvar label = data.labels && index < data.labels.length ? data.labels[index] : '';\r\n\t\tvar value = data.datasets[datasetIndex].data[index];\r\n\r\n\t\tif (helpers$1.isObject(value)) {\r\n\t\t\tlabel = me.getRightValue(value);\r\n\t\t}\r\n\t\tif (timeOpts.tooltipFormat) {\r\n\t\t\treturn adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat);\r\n\t\t}\r\n\t\tif (typeof label === 'string') {\r\n\t\t\treturn label;\r\n\t\t}\r\n\t\treturn adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime);\r\n\t},\r\n\r\n\t/**\r\n\t * Function to format an individual tick mark\r\n\t * @private\r\n\t */\r\n\ttickFormatFunction: function(time, index, ticks, format) {\r\n\t\tvar me = this;\r\n\t\tvar adapter = me._adapter;\r\n\t\tvar options = me.options;\r\n\t\tvar formats = options.time.displayFormats;\r\n\t\tvar minorFormat = formats[me._unit];\r\n\t\tvar majorUnit = me._majorUnit;\r\n\t\tvar majorFormat = formats[majorUnit];\r\n\t\tvar tick = ticks[index];\r\n\t\tvar tickOpts = options.ticks;\r\n\t\tvar major = majorUnit && majorFormat && tick && tick.major;\r\n\t\tvar label = adapter.format(time, format ? format : major ? majorFormat : minorFormat);\r\n\t\tvar nestedTickOpts = major ? tickOpts.major : tickOpts.minor;\r\n\t\tvar formatter = resolve$5([\r\n\t\t\tnestedTickOpts.callback,\r\n\t\t\tnestedTickOpts.userCallback,\r\n\t\t\ttickOpts.callback,\r\n\t\t\ttickOpts.userCallback\r\n\t\t]);\r\n\r\n\t\treturn formatter ? formatter(label, index, ticks) : label;\r\n\t},\r\n\r\n\tconvertTicksToLabels: function(ticks) {\r\n\t\tvar labels = [];\r\n\t\tvar i, ilen;\r\n\r\n\t\tfor (i = 0, ilen = ticks.length; i < ilen; ++i) {\r\n\t\t\tlabels.push(this.tickFormatFunction(ticks[i].value, i, ticks));\r\n\t\t}\r\n\r\n\t\treturn labels;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tgetPixelForOffset: function(time) {\r\n\t\tvar me = this;\r\n\t\tvar offsets = me._offsets;\r\n\t\tvar pos = interpolate$1(me._table, 'time', time, 'pos');\r\n\t\treturn me.getPixelForDecimal((offsets.start + pos) * offsets.factor);\r\n\t},\r\n\r\n\tgetPixelForValue: function(value, index, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tvar time = null;\r\n\r\n\t\tif (index !== undefined && datasetIndex !== undefined) {\r\n\t\t\ttime = me._timestamps.datasets[datasetIndex][index];\r\n\t\t}\r\n\r\n\t\tif (time === null) {\r\n\t\t\ttime = parse(me, value);\r\n\t\t}\r\n\r\n\t\tif (time !== null) {\r\n\t\t\treturn me.getPixelForOffset(time);\r\n\t\t}\r\n\t},\r\n\r\n\tgetPixelForTick: function(index) {\r\n\t\tvar ticks = this.getTicks();\r\n\t\treturn index >= 0 && index < ticks.length ?\r\n\t\t\tthis.getPixelForOffset(ticks[index].value) :\r\n\t\t\tnull;\r\n\t},\r\n\r\n\tgetValueForPixel: function(pixel) {\r\n\t\tvar me = this;\r\n\t\tvar offsets = me._offsets;\r\n\t\tvar pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\r\n\t\tvar time = interpolate$1(me._table, 'pos', pos, 'time');\r\n\r\n\t\t// DEPRECATION, we should return time directly\r\n\t\treturn me._adapter._create(time);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getLabelSize: function(label) {\r\n\t\tvar me = this;\r\n\t\tvar ticksOpts = me.options.ticks;\r\n\t\tvar tickLabelWidth = me.ctx.measureText(label).width;\r\n\t\tvar angle = helpers$1.toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);\r\n\t\tvar cosRotation = Math.cos(angle);\r\n\t\tvar sinRotation = Math.sin(angle);\r\n\t\tvar tickFontSize = valueOrDefault$d(ticksOpts.fontSize, core_defaults.global.defaultFontSize);\r\n\r\n\t\treturn {\r\n\t\t\tw: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),\r\n\t\t\th: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * Crude approximation of what the label width might be\r\n\t * @private\r\n\t */\r\n\tgetLabelWidth: function(label) {\r\n\t\treturn this._getLabelSize(label).w;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tgetLabelCapacity: function(exampleTime) {\r\n\t\tvar me = this;\r\n\t\tvar timeOpts = me.options.time;\r\n\t\tvar displayFormats = timeOpts.displayFormats;\r\n\r\n\t\t// pick the longest format (milliseconds) for guestimation\r\n\t\tvar format = displayFormats[timeOpts.unit] || displayFormats.millisecond;\r\n\t\tvar exampleLabel = me.tickFormatFunction(exampleTime, 0, ticksFromTimestamps(me, [exampleTime], me._majorUnit), format);\r\n\t\tvar size = me._getLabelSize(exampleLabel);\r\n\t\tvar capacity = Math.floor(me.isHorizontal() ? me.width / size.w : me.height / size.h);\r\n\r\n\t\tif (me.options.offset) {\r\n\t\t\tcapacity--;\r\n\t\t}\r\n\r\n\t\treturn capacity > 0 ? capacity : 1;\r\n\t}\r\n});\r\n\r\n// INTERNAL: static default options, registered in src/index.js\r\nvar _defaults$4 = defaultConfig$4;\nscale_time._defaults = _defaults$4;\n\nvar scales = {\r\n\tcategory: scale_category,\r\n\tlinear: scale_linear,\r\n\tlogarithmic: scale_logarithmic,\r\n\tradialLinear: scale_radialLinear,\r\n\ttime: scale_time\r\n};\n\nvar FORMATS = {\r\n\tdatetime: 'MMM D, YYYY, h:mm:ss a',\r\n\tmillisecond: 'h:mm:ss.SSS a',\r\n\tsecond: 'h:mm:ss a',\r\n\tminute: 'h:mm a',\r\n\thour: 'hA',\r\n\tday: 'MMM D',\r\n\tweek: 'll',\r\n\tmonth: 'MMM YYYY',\r\n\tquarter: '[Q]Q - YYYY',\r\n\tyear: 'YYYY'\r\n};\r\n\r\ncore_adapters._date.override(typeof moment === 'function' ? {\r\n\t_id: 'moment', // DEBUG ONLY\r\n\r\n\tformats: function() {\r\n\t\treturn FORMATS;\r\n\t},\r\n\r\n\tparse: function(value, format) {\r\n\t\tif (typeof value === 'string' && typeof format === 'string') {\r\n\t\t\tvalue = moment(value, format);\r\n\t\t} else if (!(value instanceof moment)) {\r\n\t\t\tvalue = moment(value);\r\n\t\t}\r\n\t\treturn value.isValid() ? value.valueOf() : null;\r\n\t},\r\n\r\n\tformat: function(time, format) {\r\n\t\treturn moment(time).format(format);\r\n\t},\r\n\r\n\tadd: function(time, amount, unit) {\r\n\t\treturn moment(time).add(amount, unit).valueOf();\r\n\t},\r\n\r\n\tdiff: function(max, min, unit) {\r\n\t\treturn moment(max).diff(moment(min), unit);\r\n\t},\r\n\r\n\tstartOf: function(time, unit, weekday) {\r\n\t\ttime = moment(time);\r\n\t\tif (unit === 'isoWeek') {\r\n\t\t\treturn time.isoWeekday(weekday).valueOf();\r\n\t\t}\r\n\t\treturn time.startOf(unit).valueOf();\r\n\t},\r\n\r\n\tendOf: function(time, unit) {\r\n\t\treturn moment(time).endOf(unit).valueOf();\r\n\t},\r\n\r\n\t// DEPRECATIONS\r\n\r\n\t/**\r\n\t * Provided for backward compatibility with scale.getValueForPixel().\r\n\t * @deprecated since version 2.8.0\r\n\t * @todo remove at version 3\r\n\t * @private\r\n\t */\r\n\t_create: function(time) {\r\n\t\treturn moment(time);\r\n\t},\r\n} : {});\n\ncore_defaults._set('global', {\r\n\tplugins: {\r\n\t\tfiller: {\r\n\t\t\tpropagate: true\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar mappers = {\r\n\tdataset: function(source) {\r\n\t\tvar index = source.fill;\r\n\t\tvar chart = source.chart;\r\n\t\tvar meta = chart.getDatasetMeta(index);\r\n\t\tvar visible = meta && chart.isDatasetVisible(index);\r\n\t\tvar points = (visible && meta.dataset._children) || [];\r\n\t\tvar length = points.length || 0;\r\n\r\n\t\treturn !length ? null : function(point, i) {\r\n\t\t\treturn (i < length && points[i]._view) || null;\r\n\t\t};\r\n\t},\r\n\r\n\tboundary: function(source) {\r\n\t\tvar boundary = source.boundary;\r\n\t\tvar x = boundary ? boundary.x : null;\r\n\t\tvar y = boundary ? boundary.y : null;\r\n\r\n\t\tif (helpers$1.isArray(boundary)) {\r\n\t\t\treturn function(point, i) {\r\n\t\t\t\treturn boundary[i];\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\treturn function(point) {\r\n\t\t\treturn {\r\n\t\t\t\tx: x === null ? point.x : x,\r\n\t\t\t\ty: y === null ? point.y : y,\r\n\t\t\t};\r\n\t\t};\r\n\t}\r\n};\r\n\r\n// @todo if (fill[0] === '#')\r\nfunction decodeFill(el, index, count) {\r\n\tvar model = el._model || {};\r\n\tvar fill = model.fill;\r\n\tvar target;\r\n\r\n\tif (fill === undefined) {\r\n\t\tfill = !!model.backgroundColor;\r\n\t}\r\n\r\n\tif (fill === false || fill === null) {\r\n\t\treturn false;\r\n\t}\r\n\r\n\tif (fill === true) {\r\n\t\treturn 'origin';\r\n\t}\r\n\r\n\ttarget = parseFloat(fill, 10);\r\n\tif (isFinite(target) && Math.floor(target) === target) {\r\n\t\tif (fill[0] === '-' || fill[0] === '+') {\r\n\t\t\ttarget = index + target;\r\n\t\t}\r\n\r\n\t\tif (target === index || target < 0 || target >= count) {\r\n\t\t\treturn false;\r\n\t\t}\r\n\r\n\t\treturn target;\r\n\t}\r\n\r\n\tswitch (fill) {\r\n\t// compatibility\r\n\tcase 'bottom':\r\n\t\treturn 'start';\r\n\tcase 'top':\r\n\t\treturn 'end';\r\n\tcase 'zero':\r\n\t\treturn 'origin';\r\n\t// supported boundaries\r\n\tcase 'origin':\r\n\tcase 'start':\r\n\tcase 'end':\r\n\t\treturn fill;\r\n\t// invalid fill values\r\n\tdefault:\r\n\t\treturn false;\r\n\t}\r\n}\r\n\r\nfunction computeLinearBoundary(source) {\r\n\tvar model = source.el._model || {};\r\n\tvar scale = source.el._scale || {};\r\n\tvar fill = source.fill;\r\n\tvar target = null;\r\n\tvar horizontal;\r\n\r\n\tif (isFinite(fill)) {\r\n\t\treturn null;\r\n\t}\r\n\r\n\t// Backward compatibility: until v3, we still need to support boundary values set on\r\n\t// the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\r\n\t// controllers might still use it (e.g. the Smith chart).\r\n\r\n\tif (fill === 'start') {\r\n\t\ttarget = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\r\n\t} else if (fill === 'end') {\r\n\t\ttarget = model.scaleTop === undefined ? scale.top : model.scaleTop;\r\n\t} else if (model.scaleZero !== undefined) {\r\n\t\ttarget = model.scaleZero;\r\n\t} else if (scale.getBasePixel) {\r\n\t\ttarget = scale.getBasePixel();\r\n\t}\r\n\r\n\tif (target !== undefined && target !== null) {\r\n\t\tif (target.x !== undefined && target.y !== undefined) {\r\n\t\t\treturn target;\r\n\t\t}\r\n\r\n\t\tif (helpers$1.isFinite(target)) {\r\n\t\t\thorizontal = scale.isHorizontal();\r\n\t\t\treturn {\r\n\t\t\t\tx: horizontal ? target : null,\r\n\t\t\t\ty: horizontal ? null : target\r\n\t\t\t};\r\n\t\t}\r\n\t}\r\n\r\n\treturn null;\r\n}\r\n\r\nfunction computeCircularBoundary(source) {\r\n\tvar scale = source.el._scale;\r\n\tvar options = scale.options;\r\n\tvar length = scale.chart.data.labels.length;\r\n\tvar fill = source.fill;\r\n\tvar target = [];\r\n\tvar start, end, center, i, point;\r\n\r\n\tif (!length) {\r\n\t\treturn null;\r\n\t}\r\n\r\n\tstart = options.ticks.reverse ? scale.max : scale.min;\r\n\tend = options.ticks.reverse ? scale.min : scale.max;\r\n\tcenter = scale.getPointPositionForValue(0, start);\r\n\tfor (i = 0; i < length; ++i) {\r\n\t\tpoint = fill === 'start' || fill === 'end'\r\n\t\t\t? scale.getPointPositionForValue(i, fill === 'start' ? start : end)\r\n\t\t\t: scale.getBasePosition(i);\r\n\t\tif (options.gridLines.circular) {\r\n\t\t\tpoint.cx = center.x;\r\n\t\t\tpoint.cy = center.y;\r\n\t\t\tpoint.angle = scale.getIndexAngle(i) - Math.PI / 2;\r\n\t\t}\r\n\t\ttarget.push(point);\r\n\t}\r\n\treturn target;\r\n}\r\n\r\nfunction computeBoundary(source) {\r\n\tvar scale = source.el._scale || {};\r\n\r\n\tif (scale.getPointPositionForValue) {\r\n\t\treturn computeCircularBoundary(source);\r\n\t}\r\n\treturn computeLinearBoundary(source);\r\n}\r\n\r\nfunction resolveTarget(sources, index, propagate) {\r\n\tvar source = sources[index];\r\n\tvar fill = source.fill;\r\n\tvar visited = [index];\r\n\tvar target;\r\n\r\n\tif (!propagate) {\r\n\t\treturn fill;\r\n\t}\r\n\r\n\twhile (fill !== false && visited.indexOf(fill) === -1) {\r\n\t\tif (!isFinite(fill)) {\r\n\t\t\treturn fill;\r\n\t\t}\r\n\r\n\t\ttarget = sources[fill];\r\n\t\tif (!target) {\r\n\t\t\treturn false;\r\n\t\t}\r\n\r\n\t\tif (target.visible) {\r\n\t\t\treturn fill;\r\n\t\t}\r\n\r\n\t\tvisited.push(fill);\r\n\t\tfill = target.fill;\r\n\t}\r\n\r\n\treturn false;\r\n}\r\n\r\nfunction createMapper(source) {\r\n\tvar fill = source.fill;\r\n\tvar type = 'dataset';\r\n\r\n\tif (fill === false) {\r\n\t\treturn null;\r\n\t}\r\n\r\n\tif (!isFinite(fill)) {\r\n\t\ttype = 'boundary';\r\n\t}\r\n\r\n\treturn mappers[type](source);\r\n}\r\n\r\nfunction isDrawable(point) {\r\n\treturn point && !point.skip;\r\n}\r\n\r\nfunction drawArea(ctx, curve0, curve1, len0, len1) {\r\n\tvar i, cx, cy, r;\r\n\r\n\tif (!len0 || !len1) {\r\n\t\treturn;\r\n\t}\r\n\r\n\t// building first area curve (normal)\r\n\tctx.moveTo(curve0[0].x, curve0[0].y);\r\n\tfor (i = 1; i < len0; ++i) {\r\n\t\thelpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\r\n\t}\r\n\r\n\tif (curve1[0].angle !== undefined) {\r\n\t\tcx = curve1[0].cx;\r\n\t\tcy = curve1[0].cy;\r\n\t\tr = Math.sqrt(Math.pow(curve1[0].x - cx, 2) + Math.pow(curve1[0].y - cy, 2));\r\n\t\tfor (i = len1 - 1; i > 0; --i) {\r\n\t\t\tctx.arc(cx, cy, r, curve1[i].angle, curve1[i - 1].angle, true);\r\n\t\t}\r\n\t\treturn;\r\n\t}\r\n\r\n\t// joining the two area curves\r\n\tctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\r\n\r\n\t// building opposite area curve (reverse)\r\n\tfor (i = len1 - 1; i > 0; --i) {\r\n\t\thelpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\r\n\t}\r\n}\r\n\r\nfunction doFill(ctx, points, mapper, view, color, loop) {\r\n\tvar count = points.length;\r\n\tvar span = view.spanGaps;\r\n\tvar curve0 = [];\r\n\tvar curve1 = [];\r\n\tvar len0 = 0;\r\n\tvar len1 = 0;\r\n\tvar i, ilen, index, p0, p1, d0, d1, loopOffset;\r\n\r\n\tctx.beginPath();\r\n\r\n\tfor (i = 0, ilen = count; i < ilen; ++i) {\r\n\t\tindex = i % count;\r\n\t\tp0 = points[index]._view;\r\n\t\tp1 = mapper(p0, index, view);\r\n\t\td0 = isDrawable(p0);\r\n\t\td1 = isDrawable(p1);\r\n\r\n\t\tif (loop && loopOffset === undefined && d0) {\r\n\t\t\tloopOffset = i + 1;\r\n\t\t\tilen = count + loopOffset;\r\n\t\t}\r\n\r\n\t\tif (d0 && d1) {\r\n\t\t\tlen0 = curve0.push(p0);\r\n\t\t\tlen1 = curve1.push(p1);\r\n\t\t} else if (len0 && len1) {\r\n\t\t\tif (!span) {\r\n\t\t\t\tdrawArea(ctx, curve0, curve1, len0, len1);\r\n\t\t\t\tlen0 = len1 = 0;\r\n\t\t\t\tcurve0 = [];\r\n\t\t\t\tcurve1 = [];\r\n\t\t\t} else {\r\n\t\t\t\tif (d0) {\r\n\t\t\t\t\tcurve0.push(p0);\r\n\t\t\t\t}\r\n\t\t\t\tif (d1) {\r\n\t\t\t\t\tcurve1.push(p1);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tdrawArea(ctx, curve0, curve1, len0, len1);\r\n\r\n\tctx.closePath();\r\n\tctx.fillStyle = color;\r\n\tctx.fill();\r\n}\r\n\r\nvar plugin_filler = {\r\n\tid: 'filler',\r\n\r\n\tafterDatasetsUpdate: function(chart, options) {\r\n\t\tvar count = (chart.data.datasets || []).length;\r\n\t\tvar propagate = options.propagate;\r\n\t\tvar sources = [];\r\n\t\tvar meta, i, el, source;\r\n\r\n\t\tfor (i = 0; i < count; ++i) {\r\n\t\t\tmeta = chart.getDatasetMeta(i);\r\n\t\t\tel = meta.dataset;\r\n\t\t\tsource = null;\r\n\r\n\t\t\tif (el && el._model && el instanceof elements.Line) {\r\n\t\t\t\tsource = {\r\n\t\t\t\t\tvisible: chart.isDatasetVisible(i),\r\n\t\t\t\t\tfill: decodeFill(el, i, count),\r\n\t\t\t\t\tchart: chart,\r\n\t\t\t\t\tel: el\r\n\t\t\t\t};\r\n\t\t\t}\r\n\r\n\t\t\tmeta.$filler = source;\r\n\t\t\tsources.push(source);\r\n\t\t}\r\n\r\n\t\tfor (i = 0; i < count; ++i) {\r\n\t\t\tsource = sources[i];\r\n\t\t\tif (!source) {\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\r\n\t\t\tsource.fill = resolveTarget(sources, i, propagate);\r\n\t\t\tsource.boundary = computeBoundary(source);\r\n\t\t\tsource.mapper = createMapper(source);\r\n\t\t}\r\n\t},\r\n\r\n\tbeforeDatasetsDraw: function(chart) {\r\n\t\tvar metasets = chart._getSortedVisibleDatasetMetas();\r\n\t\tvar ctx = chart.ctx;\r\n\t\tvar meta, i, el, view, points, mapper, color;\r\n\r\n\t\tfor (i = metasets.length - 1; i >= 0; --i) {\r\n\t\t\tmeta = metasets[i].$filler;\r\n\r\n\t\t\tif (!meta || !meta.visible) {\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\r\n\t\t\tel = meta.el;\r\n\t\t\tview = el._view;\r\n\t\t\tpoints = el._children || [];\r\n\t\t\tmapper = meta.mapper;\r\n\t\t\tcolor = view.backgroundColor || core_defaults.global.defaultColor;\r\n\r\n\t\t\tif (mapper && color && points.length) {\r\n\t\t\t\thelpers$1.canvas.clipArea(ctx, chart.chartArea);\r\n\t\t\t\tdoFill(ctx, points, mapper, view, color, el._loop);\r\n\t\t\t\thelpers$1.canvas.unclipArea(ctx);\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n};\n\nvar getRtlHelper$1 = helpers$1.rtl.getRtlAdapter;\r\nvar noop$1 = helpers$1.noop;\r\nvar valueOrDefault$e = helpers$1.valueOrDefault;\r\n\r\ncore_defaults._set('global', {\r\n\tlegend: {\r\n\t\tdisplay: true,\r\n\t\tposition: 'top',\r\n\t\talign: 'center',\r\n\t\tfullWidth: true,\r\n\t\treverse: false,\r\n\t\tweight: 1000,\r\n\r\n\t\t// a callback that will handle\r\n\t\tonClick: function(e, legendItem) {\r\n\t\t\tvar index = legendItem.datasetIndex;\r\n\t\t\tvar ci = this.chart;\r\n\t\t\tvar meta = ci.getDatasetMeta(index);\r\n\r\n\t\t\t// See controller.isDatasetVisible comment\r\n\t\t\tmeta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\r\n\r\n\t\t\t// We hid a dataset ... rerender the chart\r\n\t\t\tci.update();\r\n\t\t},\r\n\r\n\t\tonHover: null,\r\n\t\tonLeave: null,\r\n\r\n\t\tlabels: {\r\n\t\t\tboxWidth: 40,\r\n\t\t\tpadding: 10,\r\n\t\t\t// Generates labels shown in the legend\r\n\t\t\t// Valid properties to return:\r\n\t\t\t// text : text to display\r\n\t\t\t// fillStyle : fill of coloured box\r\n\t\t\t// strokeStyle: stroke of coloured box\r\n\t\t\t// hidden : if this legend item refers to a hidden item\r\n\t\t\t// lineCap : cap style for line\r\n\t\t\t// lineDash\r\n\t\t\t// lineDashOffset :\r\n\t\t\t// lineJoin :\r\n\t\t\t// lineWidth :\r\n\t\t\tgenerateLabels: function(chart) {\r\n\t\t\t\tvar datasets = chart.data.datasets;\r\n\t\t\t\tvar options = chart.options.legend || {};\r\n\t\t\t\tvar usePointStyle = options.labels && options.labels.usePointStyle;\r\n\r\n\t\t\t\treturn chart._getSortedDatasetMetas().map(function(meta) {\r\n\t\t\t\t\tvar style = meta.controller.getStyle(usePointStyle ? 0 : undefined);\r\n\r\n\t\t\t\t\treturn {\r\n\t\t\t\t\t\ttext: datasets[meta.index].label,\r\n\t\t\t\t\t\tfillStyle: style.backgroundColor,\r\n\t\t\t\t\t\thidden: !chart.isDatasetVisible(meta.index),\r\n\t\t\t\t\t\tlineCap: style.borderCapStyle,\r\n\t\t\t\t\t\tlineDash: style.borderDash,\r\n\t\t\t\t\t\tlineDashOffset: style.borderDashOffset,\r\n\t\t\t\t\t\tlineJoin: style.borderJoinStyle,\r\n\t\t\t\t\t\tlineWidth: style.borderWidth,\r\n\t\t\t\t\t\tstrokeStyle: style.borderColor,\r\n\t\t\t\t\t\tpointStyle: style.pointStyle,\r\n\t\t\t\t\t\trotation: style.rotation,\r\n\r\n\t\t\t\t\t\t// Below is extra data used for toggling the datasets\r\n\t\t\t\t\t\tdatasetIndex: meta.index\r\n\t\t\t\t\t};\r\n\t\t\t\t}, this);\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\tlegendCallback: function(chart) {\r\n\t\tvar list = document.createElement('ul');\r\n\t\tvar datasets = chart.data.datasets;\r\n\t\tvar i, ilen, listItem, listItemSpan;\r\n\r\n\t\tlist.setAttribute('class', chart.id + '-legend');\r\n\r\n\t\tfor (i = 0, ilen = datasets.length; i < ilen; i++) {\r\n\t\t\tlistItem = list.appendChild(document.createElement('li'));\r\n\t\t\tlistItemSpan = listItem.appendChild(document.createElement('span'));\r\n\t\t\tlistItemSpan.style.backgroundColor = datasets[i].backgroundColor;\r\n\t\t\tif (datasets[i].label) {\r\n\t\t\t\tlistItem.appendChild(document.createTextNode(datasets[i].label));\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn list.outerHTML;\r\n\t}\r\n});\r\n\r\n/**\r\n * Helper function to get the box width based on the usePointStyle option\r\n * @param {object} labelopts - the label options on the legend\r\n * @param {number} fontSize - the label font size\r\n * @return {number} width of the color box area\r\n */\r\nfunction getBoxWidth(labelOpts, fontSize) {\r\n\treturn labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ?\r\n\t\tfontSize :\r\n\t\tlabelOpts.boxWidth;\r\n}\r\n\r\n/**\r\n * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!\r\n */\r\nvar Legend = core_element.extend({\r\n\r\n\tinitialize: function(config) {\r\n\t\tvar me = this;\r\n\t\thelpers$1.extend(me, config);\r\n\r\n\t\t// Contains hit boxes for each dataset (in dataset order)\r\n\t\tme.legendHitBoxes = [];\r\n\r\n\t\t/**\r\n \t\t * @private\r\n \t\t */\r\n\t\tme._hoveredItem = null;\r\n\r\n\t\t// Are we in doughnut mode which has a different data type\r\n\t\tme.doughnutMode = false;\r\n\t},\r\n\r\n\t// These methods are ordered by lifecycle. Utilities then follow.\r\n\t// Any function defined here is inherited by all legend types.\r\n\t// Any function can be extended by the legend type\r\n\r\n\tbeforeUpdate: noop$1,\r\n\tupdate: function(maxWidth, maxHeight, margins) {\r\n\t\tvar me = this;\r\n\r\n\t\t// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\r\n\t\tme.beforeUpdate();\r\n\r\n\t\t// Absorb the master measurements\r\n\t\tme.maxWidth = maxWidth;\r\n\t\tme.maxHeight = maxHeight;\r\n\t\tme.margins = margins;\r\n\r\n\t\t// Dimensions\r\n\t\tme.beforeSetDimensions();\r\n\t\tme.setDimensions();\r\n\t\tme.afterSetDimensions();\r\n\t\t// Labels\r\n\t\tme.beforeBuildLabels();\r\n\t\tme.buildLabels();\r\n\t\tme.afterBuildLabels();\r\n\r\n\t\t// Fit\r\n\t\tme.beforeFit();\r\n\t\tme.fit();\r\n\t\tme.afterFit();\r\n\t\t//\r\n\t\tme.afterUpdate();\r\n\r\n\t\treturn me.minSize;\r\n\t},\r\n\tafterUpdate: noop$1,\r\n\r\n\t//\r\n\r\n\tbeforeSetDimensions: noop$1,\r\n\tsetDimensions: function() {\r\n\t\tvar me = this;\r\n\t\t// Set the unconstrained dimension before label rotation\r\n\t\tif (me.isHorizontal()) {\r\n\t\t\t// Reset position before calculating rotation\r\n\t\t\tme.width = me.maxWidth;\r\n\t\t\tme.left = 0;\r\n\t\t\tme.right = me.width;\r\n\t\t} else {\r\n\t\t\tme.height = me.maxHeight;\r\n\r\n\t\t\t// Reset position before calculating rotation\r\n\t\t\tme.top = 0;\r\n\t\t\tme.bottom = me.height;\r\n\t\t}\r\n\r\n\t\t// Reset padding\r\n\t\tme.paddingLeft = 0;\r\n\t\tme.paddingTop = 0;\r\n\t\tme.paddingRight = 0;\r\n\t\tme.paddingBottom = 0;\r\n\r\n\t\t// Reset minSize\r\n\t\tme.minSize = {\r\n\t\t\twidth: 0,\r\n\t\t\theight: 0\r\n\t\t};\r\n\t},\r\n\tafterSetDimensions: noop$1,\r\n\r\n\t//\r\n\r\n\tbeforeBuildLabels: noop$1,\r\n\tbuildLabels: function() {\r\n\t\tvar me = this;\r\n\t\tvar labelOpts = me.options.labels || {};\r\n\t\tvar legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || [];\r\n\r\n\t\tif (labelOpts.filter) {\r\n\t\t\tlegendItems = legendItems.filter(function(item) {\r\n\t\t\t\treturn labelOpts.filter(item, me.chart.data);\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tif (me.options.reverse) {\r\n\t\t\tlegendItems.reverse();\r\n\t\t}\r\n\r\n\t\tme.legendItems = legendItems;\r\n\t},\r\n\tafterBuildLabels: noop$1,\r\n\r\n\t//\r\n\r\n\tbeforeFit: noop$1,\r\n\tfit: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar labelOpts = opts.labels;\r\n\t\tvar display = opts.display;\r\n\r\n\t\tvar ctx = me.ctx;\r\n\r\n\t\tvar labelFont = helpers$1.options._parseFont(labelOpts);\r\n\t\tvar fontSize = labelFont.size;\r\n\r\n\t\t// Reset hit boxes\r\n\t\tvar hitboxes = me.legendHitBoxes = [];\r\n\r\n\t\tvar minSize = me.minSize;\r\n\t\tvar isHorizontal = me.isHorizontal();\r\n\r\n\t\tif (isHorizontal) {\r\n\t\t\tminSize.width = me.maxWidth; // fill all the width\r\n\t\t\tminSize.height = display ? 10 : 0;\r\n\t\t} else {\r\n\t\t\tminSize.width = display ? 10 : 0;\r\n\t\t\tminSize.height = me.maxHeight; // fill all the height\r\n\t\t}\r\n\r\n\t\t// Increase sizes here\r\n\t\tif (!display) {\r\n\t\t\tme.width = minSize.width = me.height = minSize.height = 0;\r\n\t\t\treturn;\r\n\t\t}\r\n\t\tctx.font = labelFont.string;\r\n\r\n\t\tif (isHorizontal) {\r\n\t\t\t// Labels\r\n\r\n\t\t\t// Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\r\n\t\t\tvar lineWidths = me.lineWidths = [0];\r\n\t\t\tvar totalHeight = 0;\r\n\r\n\t\t\tctx.textAlign = 'left';\r\n\t\t\tctx.textBaseline = 'middle';\r\n\r\n\t\t\thelpers$1.each(me.legendItems, function(legendItem, i) {\r\n\t\t\t\tvar boxWidth = getBoxWidth(labelOpts, fontSize);\r\n\t\t\t\tvar width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\r\n\r\n\t\t\t\tif (i === 0 || lineWidths[lineWidths.length - 1] + width + 2 * labelOpts.padding > minSize.width) {\r\n\t\t\t\t\ttotalHeight += fontSize + labelOpts.padding;\r\n\t\t\t\t\tlineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// Store the hitbox width and height here. Final position will be updated in `draw`\r\n\t\t\t\thitboxes[i] = {\r\n\t\t\t\t\tleft: 0,\r\n\t\t\t\t\ttop: 0,\r\n\t\t\t\t\twidth: width,\r\n\t\t\t\t\theight: fontSize\r\n\t\t\t\t};\r\n\r\n\t\t\t\tlineWidths[lineWidths.length - 1] += width + labelOpts.padding;\r\n\t\t\t});\r\n\r\n\t\t\tminSize.height += totalHeight;\r\n\r\n\t\t} else {\r\n\t\t\tvar vPadding = labelOpts.padding;\r\n\t\t\tvar columnWidths = me.columnWidths = [];\r\n\t\t\tvar columnHeights = me.columnHeights = [];\r\n\t\t\tvar totalWidth = labelOpts.padding;\r\n\t\t\tvar currentColWidth = 0;\r\n\t\t\tvar currentColHeight = 0;\r\n\r\n\t\t\thelpers$1.each(me.legendItems, function(legendItem, i) {\r\n\t\t\t\tvar boxWidth = getBoxWidth(labelOpts, fontSize);\r\n\t\t\t\tvar itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\r\n\r\n\t\t\t\t// If too tall, go to new column\r\n\t\t\t\tif (i > 0 && currentColHeight + fontSize + 2 * vPadding > minSize.height) {\r\n\t\t\t\t\ttotalWidth += currentColWidth + labelOpts.padding;\r\n\t\t\t\t\tcolumnWidths.push(currentColWidth); // previous column width\r\n\t\t\t\t\tcolumnHeights.push(currentColHeight);\r\n\t\t\t\t\tcurrentColWidth = 0;\r\n\t\t\t\t\tcurrentColHeight = 0;\r\n\t\t\t\t}\r\n\r\n\t\t\t\t// Get max width\r\n\t\t\t\tcurrentColWidth = Math.max(currentColWidth, itemWidth);\r\n\t\t\t\tcurrentColHeight += fontSize + vPadding;\r\n\r\n\t\t\t\t// Store the hitbox width and height here. Final position will be updated in `draw`\r\n\t\t\t\thitboxes[i] = {\r\n\t\t\t\t\tleft: 0,\r\n\t\t\t\t\ttop: 0,\r\n\t\t\t\t\twidth: itemWidth,\r\n\t\t\t\t\theight: fontSize\r\n\t\t\t\t};\r\n\t\t\t});\r\n\r\n\t\t\ttotalWidth += currentColWidth;\r\n\t\t\tcolumnWidths.push(currentColWidth);\r\n\t\t\tcolumnHeights.push(currentColHeight);\r\n\t\t\tminSize.width += totalWidth;\r\n\t\t}\r\n\r\n\t\tme.width = minSize.width;\r\n\t\tme.height = minSize.height;\r\n\t},\r\n\tafterFit: noop$1,\r\n\r\n\t// Shared Methods\r\n\tisHorizontal: function() {\r\n\t\treturn this.options.position === 'top' || this.options.position === 'bottom';\r\n\t},\r\n\r\n\t// Actually draw the legend on the canvas\r\n\tdraw: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar labelOpts = opts.labels;\r\n\t\tvar globalDefaults = core_defaults.global;\r\n\t\tvar defaultColor = globalDefaults.defaultColor;\r\n\t\tvar lineDefault = globalDefaults.elements.line;\r\n\t\tvar legendHeight = me.height;\r\n\t\tvar columnHeights = me.columnHeights;\r\n\t\tvar legendWidth = me.width;\r\n\t\tvar lineWidths = me.lineWidths;\r\n\r\n\t\tif (!opts.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar rtlHelper = getRtlHelper$1(opts.rtl, me.left, me.minSize.width);\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar fontColor = valueOrDefault$e(labelOpts.fontColor, globalDefaults.defaultFontColor);\r\n\t\tvar labelFont = helpers$1.options._parseFont(labelOpts);\r\n\t\tvar fontSize = labelFont.size;\r\n\t\tvar cursor;\r\n\r\n\t\t// Canvas setup\r\n\t\tctx.textAlign = rtlHelper.textAlign('left');\r\n\t\tctx.textBaseline = 'middle';\r\n\t\tctx.lineWidth = 0.5;\r\n\t\tctx.strokeStyle = fontColor; // for strikethrough effect\r\n\t\tctx.fillStyle = fontColor; // render in correct colour\r\n\t\tctx.font = labelFont.string;\r\n\r\n\t\tvar boxWidth = getBoxWidth(labelOpts, fontSize);\r\n\t\tvar hitboxes = me.legendHitBoxes;\r\n\r\n\t\t// current position\r\n\t\tvar drawLegendBox = function(x, y, legendItem) {\r\n\t\t\tif (isNaN(boxWidth) || boxWidth <= 0) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\r\n\t\t\t// Set the ctx for the box\r\n\t\t\tctx.save();\r\n\r\n\t\t\tvar lineWidth = valueOrDefault$e(legendItem.lineWidth, lineDefault.borderWidth);\r\n\t\t\tctx.fillStyle = valueOrDefault$e(legendItem.fillStyle, defaultColor);\r\n\t\t\tctx.lineCap = valueOrDefault$e(legendItem.lineCap, lineDefault.borderCapStyle);\r\n\t\t\tctx.lineDashOffset = valueOrDefault$e(legendItem.lineDashOffset, lineDefault.borderDashOffset);\r\n\t\t\tctx.lineJoin = valueOrDefault$e(legendItem.lineJoin, lineDefault.borderJoinStyle);\r\n\t\t\tctx.lineWidth = lineWidth;\r\n\t\t\tctx.strokeStyle = valueOrDefault$e(legendItem.strokeStyle, defaultColor);\r\n\r\n\t\t\tif (ctx.setLineDash) {\r\n\t\t\t\t// IE 9 and 10 do not support line dash\r\n\t\t\t\tctx.setLineDash(valueOrDefault$e(legendItem.lineDash, lineDefault.borderDash));\r\n\t\t\t}\r\n\r\n\t\t\tif (labelOpts && labelOpts.usePointStyle) {\r\n\t\t\t\t// Recalculate x and y for drawPoint() because its expecting\r\n\t\t\t\t// x and y to be center of figure (instead of top left)\r\n\t\t\t\tvar radius = boxWidth * Math.SQRT2 / 2;\r\n\t\t\t\tvar centerX = rtlHelper.xPlus(x, boxWidth / 2);\r\n\t\t\t\tvar centerY = y + fontSize / 2;\r\n\r\n\t\t\t\t// Draw pointStyle as legend symbol\r\n\t\t\t\thelpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY, legendItem.rotation);\r\n\t\t\t} else {\r\n\t\t\t\t// Draw box as legend symbol\r\n\t\t\t\tctx.fillRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);\r\n\t\t\t\tif (lineWidth !== 0) {\r\n\t\t\t\t\tctx.strokeRect(rtlHelper.leftForLtr(x, boxWidth), y, boxWidth, fontSize);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tctx.restore();\r\n\t\t};\r\n\r\n\t\tvar fillText = function(x, y, legendItem, textWidth) {\r\n\t\t\tvar halfFontSize = fontSize / 2;\r\n\t\t\tvar xLeft = rtlHelper.xPlus(x, boxWidth + halfFontSize);\r\n\t\t\tvar yMiddle = y + halfFontSize;\r\n\r\n\t\t\tctx.fillText(legendItem.text, xLeft, yMiddle);\r\n\r\n\t\t\tif (legendItem.hidden) {\r\n\t\t\t\t// Strikethrough the text if hidden\r\n\t\t\t\tctx.beginPath();\r\n\t\t\t\tctx.lineWidth = 2;\r\n\t\t\t\tctx.moveTo(xLeft, yMiddle);\r\n\t\t\t\tctx.lineTo(rtlHelper.xPlus(xLeft, textWidth), yMiddle);\r\n\t\t\t\tctx.stroke();\r\n\t\t\t}\r\n\t\t};\r\n\r\n\t\tvar alignmentOffset = function(dimension, blockSize) {\r\n\t\t\tswitch (opts.align) {\r\n\t\t\tcase 'start':\r\n\t\t\t\treturn labelOpts.padding;\r\n\t\t\tcase 'end':\r\n\t\t\t\treturn dimension - blockSize;\r\n\t\t\tdefault: // center\r\n\t\t\t\treturn (dimension - blockSize + labelOpts.padding) / 2;\r\n\t\t\t}\r\n\t\t};\r\n\r\n\t\t// Horizontal\r\n\t\tvar isHorizontal = me.isHorizontal();\r\n\t\tif (isHorizontal) {\r\n\t\t\tcursor = {\r\n\t\t\t\tx: me.left + alignmentOffset(legendWidth, lineWidths[0]),\r\n\t\t\t\ty: me.top + labelOpts.padding,\r\n\t\t\t\tline: 0\r\n\t\t\t};\r\n\t\t} else {\r\n\t\t\tcursor = {\r\n\t\t\t\tx: me.left + labelOpts.padding,\r\n\t\t\t\ty: me.top + alignmentOffset(legendHeight, columnHeights[0]),\r\n\t\t\t\tline: 0\r\n\t\t\t};\r\n\t\t}\r\n\r\n\t\thelpers$1.rtl.overrideTextDirection(me.ctx, opts.textDirection);\r\n\r\n\t\tvar itemHeight = fontSize + labelOpts.padding;\r\n\t\thelpers$1.each(me.legendItems, function(legendItem, i) {\r\n\t\t\tvar textWidth = ctx.measureText(legendItem.text).width;\r\n\t\t\tvar width = boxWidth + (fontSize / 2) + textWidth;\r\n\t\t\tvar x = cursor.x;\r\n\t\t\tvar y = cursor.y;\r\n\r\n\t\t\trtlHelper.setWidth(me.minSize.width);\r\n\r\n\t\t\t// Use (me.left + me.minSize.width) and (me.top + me.minSize.height)\r\n\t\t\t// instead of me.right and me.bottom because me.width and me.height\r\n\t\t\t// may have been changed since me.minSize was calculated\r\n\t\t\tif (isHorizontal) {\r\n\t\t\t\tif (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) {\r\n\t\t\t\t\ty = cursor.y += itemHeight;\r\n\t\t\t\t\tcursor.line++;\r\n\t\t\t\t\tx = cursor.x = me.left + alignmentOffset(legendWidth, lineWidths[cursor.line]);\r\n\t\t\t\t}\r\n\t\t\t} else if (i > 0 && y + itemHeight > me.top + me.minSize.height) {\r\n\t\t\t\tx = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\r\n\t\t\t\tcursor.line++;\r\n\t\t\t\ty = cursor.y = me.top + alignmentOffset(legendHeight, columnHeights[cursor.line]);\r\n\t\t\t}\r\n\r\n\t\t\tvar realX = rtlHelper.x(x);\r\n\r\n\t\t\tdrawLegendBox(realX, y, legendItem);\r\n\r\n\t\t\thitboxes[i].left = rtlHelper.leftForLtr(realX, hitboxes[i].width);\r\n\t\t\thitboxes[i].top = y;\r\n\r\n\t\t\t// Fill the actual label\r\n\t\t\tfillText(realX, y, legendItem, textWidth);\r\n\r\n\t\t\tif (isHorizontal) {\r\n\t\t\t\tcursor.x += width + labelOpts.padding;\r\n\t\t\t} else {\r\n\t\t\t\tcursor.y += itemHeight;\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\thelpers$1.rtl.restoreTextDirection(me.ctx, opts.textDirection);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getLegendItemAt: function(x, y) {\r\n\t\tvar me = this;\r\n\t\tvar i, hitBox, lh;\r\n\r\n\t\tif (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\r\n\t\t\t// See if we are touching one of the dataset boxes\r\n\t\t\tlh = me.legendHitBoxes;\r\n\t\t\tfor (i = 0; i < lh.length; ++i) {\r\n\t\t\t\thitBox = lh[i];\r\n\r\n\t\t\t\tif (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\r\n\t\t\t\t\t// Touching an element\r\n\t\t\t\t\treturn me.legendItems[i];\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn null;\r\n\t},\r\n\r\n\t/**\r\n\t * Handle an event\r\n\t * @private\r\n\t * @param {IEvent} event - The event to handle\r\n\t */\r\n\thandleEvent: function(e) {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar type = e.type === 'mouseup' ? 'click' : e.type;\r\n\t\tvar hoveredItem;\r\n\r\n\t\tif (type === 'mousemove') {\r\n\t\t\tif (!opts.onHover && !opts.onLeave) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t} else if (type === 'click') {\r\n\t\t\tif (!opts.onClick) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t} else {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// Chart event already has relative position in it\r\n\t\thoveredItem = me._getLegendItemAt(e.x, e.y);\r\n\r\n\t\tif (type === 'click') {\r\n\t\t\tif (hoveredItem && opts.onClick) {\r\n\t\t\t\t// use e.native for backwards compatibility\r\n\t\t\t\topts.onClick.call(me, e.native, hoveredItem);\r\n\t\t\t}\r\n\t\t} else {\r\n\t\t\tif (opts.onLeave && hoveredItem !== me._hoveredItem) {\r\n\t\t\t\tif (me._hoveredItem) {\r\n\t\t\t\t\topts.onLeave.call(me, e.native, me._hoveredItem);\r\n\t\t\t\t}\r\n\t\t\t\tme._hoveredItem = hoveredItem;\r\n\t\t\t}\r\n\r\n\t\t\tif (opts.onHover && hoveredItem) {\r\n\t\t\t\t// use e.native for backwards compatibility\r\n\t\t\t\topts.onHover.call(me, e.native, hoveredItem);\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n});\r\n\r\nfunction createNewLegendAndAttach(chart, legendOpts) {\r\n\tvar legend = new Legend({\r\n\t\tctx: chart.ctx,\r\n\t\toptions: legendOpts,\r\n\t\tchart: chart\r\n\t});\r\n\r\n\tcore_layouts.configure(chart, legend, legendOpts);\r\n\tcore_layouts.addBox(chart, legend);\r\n\tchart.legend = legend;\r\n}\r\n\r\nvar plugin_legend = {\r\n\tid: 'legend',\r\n\r\n\t/**\r\n\t * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making\r\n\t * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of\r\n\t * the plugin, which one will be re-exposed in the chart.js file.\r\n\t * https://github.com/chartjs/Chart.js/pull/2640\r\n\t * @private\r\n\t */\r\n\t_element: Legend,\r\n\r\n\tbeforeInit: function(chart) {\r\n\t\tvar legendOpts = chart.options.legend;\r\n\r\n\t\tif (legendOpts) {\r\n\t\t\tcreateNewLegendAndAttach(chart, legendOpts);\r\n\t\t}\r\n\t},\r\n\r\n\tbeforeUpdate: function(chart) {\r\n\t\tvar legendOpts = chart.options.legend;\r\n\t\tvar legend = chart.legend;\r\n\r\n\t\tif (legendOpts) {\r\n\t\t\thelpers$1.mergeIf(legendOpts, core_defaults.global.legend);\r\n\r\n\t\t\tif (legend) {\r\n\t\t\t\tcore_layouts.configure(chart, legend, legendOpts);\r\n\t\t\t\tlegend.options = legendOpts;\r\n\t\t\t} else {\r\n\t\t\t\tcreateNewLegendAndAttach(chart, legendOpts);\r\n\t\t\t}\r\n\t\t} else if (legend) {\r\n\t\t\tcore_layouts.removeBox(chart, legend);\r\n\t\t\tdelete chart.legend;\r\n\t\t}\r\n\t},\r\n\r\n\tafterEvent: function(chart, e) {\r\n\t\tvar legend = chart.legend;\r\n\t\tif (legend) {\r\n\t\t\tlegend.handleEvent(e);\r\n\t\t}\r\n\t}\r\n};\n\nvar noop$2 = helpers$1.noop;\r\n\r\ncore_defaults._set('global', {\r\n\ttitle: {\r\n\t\tdisplay: false,\r\n\t\tfontStyle: 'bold',\r\n\t\tfullWidth: true,\r\n\t\tpadding: 10,\r\n\t\tposition: 'top',\r\n\t\ttext: '',\r\n\t\tweight: 2000         // by default greater than legend (1000) to be above\r\n\t}\r\n});\r\n\r\n/**\r\n * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!\r\n */\r\nvar Title = core_element.extend({\r\n\tinitialize: function(config) {\r\n\t\tvar me = this;\r\n\t\thelpers$1.extend(me, config);\r\n\r\n\t\t// Contains hit boxes for each dataset (in dataset order)\r\n\t\tme.legendHitBoxes = [];\r\n\t},\r\n\r\n\t// These methods are ordered by lifecycle. Utilities then follow.\r\n\r\n\tbeforeUpdate: noop$2,\r\n\tupdate: function(maxWidth, maxHeight, margins) {\r\n\t\tvar me = this;\r\n\r\n\t\t// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\r\n\t\tme.beforeUpdate();\r\n\r\n\t\t// Absorb the master measurements\r\n\t\tme.maxWidth = maxWidth;\r\n\t\tme.maxHeight = maxHeight;\r\n\t\tme.margins = margins;\r\n\r\n\t\t// Dimensions\r\n\t\tme.beforeSetDimensions();\r\n\t\tme.setDimensions();\r\n\t\tme.afterSetDimensions();\r\n\t\t// Labels\r\n\t\tme.beforeBuildLabels();\r\n\t\tme.buildLabels();\r\n\t\tme.afterBuildLabels();\r\n\r\n\t\t// Fit\r\n\t\tme.beforeFit();\r\n\t\tme.fit();\r\n\t\tme.afterFit();\r\n\t\t//\r\n\t\tme.afterUpdate();\r\n\r\n\t\treturn me.minSize;\r\n\r\n\t},\r\n\tafterUpdate: noop$2,\r\n\r\n\t//\r\n\r\n\tbeforeSetDimensions: noop$2,\r\n\tsetDimensions: function() {\r\n\t\tvar me = this;\r\n\t\t// Set the unconstrained dimension before label rotation\r\n\t\tif (me.isHorizontal()) {\r\n\t\t\t// Reset position before calculating rotation\r\n\t\t\tme.width = me.maxWidth;\r\n\t\t\tme.left = 0;\r\n\t\t\tme.right = me.width;\r\n\t\t} else {\r\n\t\t\tme.height = me.maxHeight;\r\n\r\n\t\t\t// Reset position before calculating rotation\r\n\t\t\tme.top = 0;\r\n\t\t\tme.bottom = me.height;\r\n\t\t}\r\n\r\n\t\t// Reset padding\r\n\t\tme.paddingLeft = 0;\r\n\t\tme.paddingTop = 0;\r\n\t\tme.paddingRight = 0;\r\n\t\tme.paddingBottom = 0;\r\n\r\n\t\t// Reset minSize\r\n\t\tme.minSize = {\r\n\t\t\twidth: 0,\r\n\t\t\theight: 0\r\n\t\t};\r\n\t},\r\n\tafterSetDimensions: noop$2,\r\n\r\n\t//\r\n\r\n\tbeforeBuildLabels: noop$2,\r\n\tbuildLabels: noop$2,\r\n\tafterBuildLabels: noop$2,\r\n\r\n\t//\r\n\r\n\tbeforeFit: noop$2,\r\n\tfit: function() {\r\n\t\tvar me = this;\r\n\t\tvar opts = me.options;\r\n\t\tvar minSize = me.minSize = {};\r\n\t\tvar isHorizontal = me.isHorizontal();\r\n\t\tvar lineCount, textSize;\r\n\r\n\t\tif (!opts.display) {\r\n\t\t\tme.width = minSize.width = me.height = minSize.height = 0;\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tlineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1;\r\n\t\ttextSize = lineCount * helpers$1.options._parseFont(opts).lineHeight + opts.padding * 2;\r\n\r\n\t\tme.width = minSize.width = isHorizontal ? me.maxWidth : textSize;\r\n\t\tme.height = minSize.height = isHorizontal ? textSize : me.maxHeight;\r\n\t},\r\n\tafterFit: noop$2,\r\n\r\n\t// Shared Methods\r\n\tisHorizontal: function() {\r\n\t\tvar pos = this.options.position;\r\n\t\treturn pos === 'top' || pos === 'bottom';\r\n\t},\r\n\r\n\t// Actually draw the title block on the canvas\r\n\tdraw: function() {\r\n\t\tvar me = this;\r\n\t\tvar ctx = me.ctx;\r\n\t\tvar opts = me.options;\r\n\r\n\t\tif (!opts.display) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar fontOpts = helpers$1.options._parseFont(opts);\r\n\t\tvar lineHeight = fontOpts.lineHeight;\r\n\t\tvar offset = lineHeight / 2 + opts.padding;\r\n\t\tvar rotation = 0;\r\n\t\tvar top = me.top;\r\n\t\tvar left = me.left;\r\n\t\tvar bottom = me.bottom;\r\n\t\tvar right = me.right;\r\n\t\tvar maxWidth, titleX, titleY;\r\n\r\n\t\tctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour\r\n\t\tctx.font = fontOpts.string;\r\n\r\n\t\t// Horizontal\r\n\t\tif (me.isHorizontal()) {\r\n\t\t\ttitleX = left + ((right - left) / 2); // midpoint of the width\r\n\t\t\ttitleY = top + offset;\r\n\t\t\tmaxWidth = right - left;\r\n\t\t} else {\r\n\t\t\ttitleX = opts.position === 'left' ? left + offset : right - offset;\r\n\t\t\ttitleY = top + ((bottom - top) / 2);\r\n\t\t\tmaxWidth = bottom - top;\r\n\t\t\trotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\r\n\t\t}\r\n\r\n\t\tctx.save();\r\n\t\tctx.translate(titleX, titleY);\r\n\t\tctx.rotate(rotation);\r\n\t\tctx.textAlign = 'center';\r\n\t\tctx.textBaseline = 'middle';\r\n\r\n\t\tvar text = opts.text;\r\n\t\tif (helpers$1.isArray(text)) {\r\n\t\t\tvar y = 0;\r\n\t\t\tfor (var i = 0; i < text.length; ++i) {\r\n\t\t\t\tctx.fillText(text[i], 0, y, maxWidth);\r\n\t\t\t\ty += lineHeight;\r\n\t\t\t}\r\n\t\t} else {\r\n\t\t\tctx.fillText(text, 0, 0, maxWidth);\r\n\t\t}\r\n\r\n\t\tctx.restore();\r\n\t}\r\n});\r\n\r\nfunction createNewTitleBlockAndAttach(chart, titleOpts) {\r\n\tvar title = new Title({\r\n\t\tctx: chart.ctx,\r\n\t\toptions: titleOpts,\r\n\t\tchart: chart\r\n\t});\r\n\r\n\tcore_layouts.configure(chart, title, titleOpts);\r\n\tcore_layouts.addBox(chart, title);\r\n\tchart.titleBlock = title;\r\n}\r\n\r\nvar plugin_title = {\r\n\tid: 'title',\r\n\r\n\t/**\r\n\t * Backward compatibility: since 2.1.5, the title is registered as a plugin, making\r\n\t * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of\r\n\t * the plugin, which one will be re-exposed in the chart.js file.\r\n\t * https://github.com/chartjs/Chart.js/pull/2640\r\n\t * @private\r\n\t */\r\n\t_element: Title,\r\n\r\n\tbeforeInit: function(chart) {\r\n\t\tvar titleOpts = chart.options.title;\r\n\r\n\t\tif (titleOpts) {\r\n\t\t\tcreateNewTitleBlockAndAttach(chart, titleOpts);\r\n\t\t}\r\n\t},\r\n\r\n\tbeforeUpdate: function(chart) {\r\n\t\tvar titleOpts = chart.options.title;\r\n\t\tvar titleBlock = chart.titleBlock;\r\n\r\n\t\tif (titleOpts) {\r\n\t\t\thelpers$1.mergeIf(titleOpts, core_defaults.global.title);\r\n\r\n\t\t\tif (titleBlock) {\r\n\t\t\t\tcore_layouts.configure(chart, titleBlock, titleOpts);\r\n\t\t\t\ttitleBlock.options = titleOpts;\r\n\t\t\t} else {\r\n\t\t\t\tcreateNewTitleBlockAndAttach(chart, titleOpts);\r\n\t\t\t}\r\n\t\t} else if (titleBlock) {\r\n\t\t\tcore_layouts.removeBox(chart, titleBlock);\r\n\t\t\tdelete chart.titleBlock;\r\n\t\t}\r\n\t}\r\n};\n\nvar plugins = {};\r\nvar filler = plugin_filler;\r\nvar legend = plugin_legend;\r\nvar title = plugin_title;\nplugins.filler = filler;\nplugins.legend = legend;\nplugins.title = title;\n\n/**\r\n * @namespace Chart\r\n */\r\n\r\n\r\ncore_controller.helpers = helpers$1;\r\n\r\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\r\ncore_helpers();\r\n\r\ncore_controller._adapters = core_adapters;\r\ncore_controller.Animation = core_animation;\r\ncore_controller.animationService = core_animations;\r\ncore_controller.controllers = controllers;\r\ncore_controller.DatasetController = core_datasetController;\r\ncore_controller.defaults = core_defaults;\r\ncore_controller.Element = core_element;\r\ncore_controller.elements = elements;\r\ncore_controller.Interaction = core_interaction;\r\ncore_controller.layouts = core_layouts;\r\ncore_controller.platform = platform;\r\ncore_controller.plugins = core_plugins;\r\ncore_controller.Scale = core_scale;\r\ncore_controller.scaleService = core_scaleService;\r\ncore_controller.Ticks = core_ticks;\r\ncore_controller.Tooltip = core_tooltip;\r\n\r\n// Register built-in scales\r\n\r\ncore_controller.helpers.each(scales, function(scale, type) {\r\n\tcore_controller.scaleService.registerScaleType(type, scale, scale._defaults);\r\n});\r\n\r\n// Load to register built-in adapters (as side effects)\r\n\r\n\r\n// Loading built-in plugins\r\n\r\nfor (var k in plugins) {\r\n\tif (plugins.hasOwnProperty(k)) {\r\n\t\tcore_controller.plugins.register(plugins[k]);\r\n\t}\r\n}\r\n\r\ncore_controller.platform.initialize();\r\n\r\nvar src = core_controller;\r\nif (typeof window !== 'undefined') {\r\n\twindow.Chart = core_controller;\r\n}\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, not available anymore\r\n * @namespace Chart.Chart\r\n * @deprecated since version 2.8.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.Chart = core_controller;\r\n\r\n/**\r\n * Provided for backward compatibility, not available anymore\r\n * @namespace Chart.Legend\r\n * @deprecated since version 2.1.5\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.Legend = plugins.legend._element;\r\n\r\n/**\r\n * Provided for backward compatibility, not available anymore\r\n * @namespace Chart.Title\r\n * @deprecated since version 2.1.5\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.Title = plugins.title._element;\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.plugins instead\r\n * @namespace Chart.pluginService\r\n * @deprecated since version 2.1.5\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.pluginService = core_controller.plugins;\r\n\r\n/**\r\n * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\r\n * effect, instead simply create/register plugins via plain JavaScript objects.\r\n * @interface Chart.PluginBase\r\n * @deprecated since version 2.5.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.PluginBase = core_controller.Element.extend({});\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.canvas instead.\r\n * @namespace Chart.canvasHelpers\r\n * @deprecated since version 2.6.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.canvasHelpers = core_controller.helpers.canvas;\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.layouts instead.\r\n * @namespace Chart.layoutService\r\n * @deprecated since version 2.7.3\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.layoutService = core_controller.layouts;\r\n\r\n/**\r\n * Provided for backward compatibility, not available anymore.\r\n * @namespace Chart.LinearScaleBase\r\n * @deprecated since version 2.8\r\n * @todo remove at version 3\r\n * @private\r\n */\r\ncore_controller.LinearScaleBase = scale_linearbase;\r\n\r\n/**\r\n * Provided for backward compatibility, instead we should create a new Chart\r\n * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`).\r\n * @deprecated since version 2.8.0\r\n * @todo remove at version 3\r\n */\r\ncore_controller.helpers.each(\r\n\t[\r\n\t\t'Bar',\r\n\t\t'Bubble',\r\n\t\t'Doughnut',\r\n\t\t'Line',\r\n\t\t'PolarArea',\r\n\t\t'Radar',\r\n\t\t'Scatter'\r\n\t],\r\n\tfunction(klass) {\r\n\t\tcore_controller[klass] = function(ctx, cfg) {\r\n\t\t\treturn new core_controller(ctx, core_controller.helpers.merge(cfg || {}, {\r\n\t\t\t\ttype: klass.charAt(0).toLowerCase() + klass.slice(1)\r\n\t\t\t}));\r\n\t\t};\r\n\t}\r\n);\n\nreturn src;\n\n})));\n","//! moment.js\n//! version : 2.29.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n;(function (global, factory) {\n    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n    typeof define === 'function' && define.amd ? define(factory) :\n    global.moment = factory()\n}(this, (function () { 'use strict';\n\n    var hookCallback;\n\n    function hooks() {\n        return hookCallback.apply(null, arguments);\n    }\n\n    // This is done to register the method called with moment()\n    // without creating circular dependencies.\n    function setHookCallback(callback) {\n        hookCallback = callback;\n    }\n\n    function isArray(input) {\n        return (\n            input instanceof Array ||\n            Object.prototype.toString.call(input) === '[object Array]'\n        );\n    }\n\n    function isObject(input) {\n        // IE8 will treat undefined and null as object if it wasn't for\n        // input != null\n        return (\n            input != null &&\n            Object.prototype.toString.call(input) === '[object Object]'\n        );\n    }\n\n    function hasOwnProp(a, b) {\n        return Object.prototype.hasOwnProperty.call(a, b);\n    }\n\n    function isObjectEmpty(obj) {\n        if (Object.getOwnPropertyNames) {\n            return Object.getOwnPropertyNames(obj).length === 0;\n        } else {\n            var k;\n            for (k in obj) {\n                if (hasOwnProp(obj, k)) {\n                    return false;\n                }\n            }\n            return true;\n        }\n    }\n\n    function isUndefined(input) {\n        return input === void 0;\n    }\n\n    function isNumber(input) {\n        return (\n            typeof input === 'number' ||\n            Object.prototype.toString.call(input) === '[object Number]'\n        );\n    }\n\n    function isDate(input) {\n        return (\n            input instanceof Date ||\n            Object.prototype.toString.call(input) === '[object Date]'\n        );\n    }\n\n    function map(arr, fn) {\n        var res = [],\n            i;\n        for (i = 0; i < arr.length; ++i) {\n            res.push(fn(arr[i], i));\n        }\n        return res;\n    }\n\n    function extend(a, b) {\n        for (var i in b) {\n            if (hasOwnProp(b, i)) {\n                a[i] = b[i];\n            }\n        }\n\n        if (hasOwnProp(b, 'toString')) {\n            a.toString = b.toString;\n        }\n\n        if (hasOwnProp(b, 'valueOf')) {\n            a.valueOf = b.valueOf;\n        }\n\n        return a;\n    }\n\n    function createUTC(input, format, locale, strict) {\n        return createLocalOrUTC(input, format, locale, strict, true).utc();\n    }\n\n    function defaultParsingFlags() {\n        // We need to deep clone this object.\n        return {\n            empty: false,\n            unusedTokens: [],\n            unusedInput: [],\n            overflow: -2,\n            charsLeftOver: 0,\n            nullInput: false,\n            invalidEra: null,\n            invalidMonth: null,\n            invalidFormat: false,\n            userInvalidated: false,\n            iso: false,\n            parsedDateParts: [],\n            era: null,\n            meridiem: null,\n            rfc2822: false,\n            weekdayMismatch: false,\n        };\n    }\n\n    function getParsingFlags(m) {\n        if (m._pf == null) {\n            m._pf = defaultParsingFlags();\n        }\n        return m._pf;\n    }\n\n    var some;\n    if (Array.prototype.some) {\n        some = Array.prototype.some;\n    } else {\n        some = function (fun) {\n            var t = Object(this),\n                len = t.length >>> 0,\n                i;\n\n            for (i = 0; i < len; i++) {\n                if (i in t && fun.call(this, t[i], i, t)) {\n                    return true;\n                }\n            }\n\n            return false;\n        };\n    }\n\n    function isValid(m) {\n        if (m._isValid == null) {\n            var flags = getParsingFlags(m),\n                parsedParts = some.call(flags.parsedDateParts, function (i) {\n                    return i != null;\n                }),\n                isNowValid =\n                    !isNaN(m._d.getTime()) &&\n                    flags.overflow < 0 &&\n                    !flags.empty &&\n                    !flags.invalidEra &&\n                    !flags.invalidMonth &&\n                    !flags.invalidWeekday &&\n                    !flags.weekdayMismatch &&\n                    !flags.nullInput &&\n                    !flags.invalidFormat &&\n                    !flags.userInvalidated &&\n                    (!flags.meridiem || (flags.meridiem && parsedParts));\n\n            if (m._strict) {\n                isNowValid =\n                    isNowValid &&\n                    flags.charsLeftOver === 0 &&\n                    flags.unusedTokens.length === 0 &&\n                    flags.bigHour === undefined;\n            }\n\n            if (Object.isFrozen == null || !Object.isFrozen(m)) {\n                m._isValid = isNowValid;\n            } else {\n                return isNowValid;\n            }\n        }\n        return m._isValid;\n    }\n\n    function createInvalid(flags) {\n        var m = createUTC(NaN);\n        if (flags != null) {\n            extend(getParsingFlags(m), flags);\n        } else {\n            getParsingFlags(m).userInvalidated = true;\n        }\n\n        return m;\n    }\n\n    // Plugins that add properties should also add the key here (null value),\n    // so we can properly clone ourselves.\n    var momentProperties = (hooks.momentProperties = []),\n        updateInProgress = false;\n\n    function copyConfig(to, from) {\n        var i, prop, val;\n\n        if (!isUndefined(from._isAMomentObject)) {\n            to._isAMomentObject = from._isAMomentObject;\n        }\n        if (!isUndefined(from._i)) {\n            to._i = from._i;\n        }\n        if (!isUndefined(from._f)) {\n            to._f = from._f;\n        }\n        if (!isUndefined(from._l)) {\n            to._l = from._l;\n        }\n        if (!isUndefined(from._strict)) {\n            to._strict = from._strict;\n        }\n        if (!isUndefined(from._tzm)) {\n            to._tzm = from._tzm;\n        }\n        if (!isUndefined(from._isUTC)) {\n            to._isUTC = from._isUTC;\n        }\n        if (!isUndefined(from._offset)) {\n            to._offset = from._offset;\n        }\n        if (!isUndefined(from._pf)) {\n            to._pf = getParsingFlags(from);\n        }\n        if (!isUndefined(from._locale)) {\n            to._locale = from._locale;\n        }\n\n        if (momentProperties.length > 0) {\n            for (i = 0; i < momentProperties.length; i++) {\n                prop = momentProperties[i];\n                val = from[prop];\n                if (!isUndefined(val)) {\n                    to[prop] = val;\n                }\n            }\n        }\n\n        return to;\n    }\n\n    // Moment prototype object\n    function Moment(config) {\n        copyConfig(this, config);\n        this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n        if (!this.isValid()) {\n            this._d = new Date(NaN);\n        }\n        // Prevent infinite loop in case updateOffset creates new moment\n        // objects.\n        if (updateInProgress === false) {\n            updateInProgress = true;\n            hooks.updateOffset(this);\n            updateInProgress = false;\n        }\n    }\n\n    function isMoment(obj) {\n        return (\n            obj instanceof Moment || (obj != null && obj._isAMomentObject != null)\n        );\n    }\n\n    function warn(msg) {\n        if (\n            hooks.suppressDeprecationWarnings === false &&\n            typeof console !== 'undefined' &&\n            console.warn\n        ) {\n            console.warn('Deprecation warning: ' + msg);\n        }\n    }\n\n    function deprecate(msg, fn) {\n        var firstTime = true;\n\n        return extend(function () {\n            if (hooks.deprecationHandler != null) {\n                hooks.deprecationHandler(null, msg);\n            }\n            if (firstTime) {\n                var args = [],\n                    arg,\n                    i,\n                    key;\n                for (i = 0; i < arguments.length; i++) {\n                    arg = '';\n                    if (typeof arguments[i] === 'object') {\n                        arg += '\\n[' + i + '] ';\n                        for (key in arguments[0]) {\n                            if (hasOwnProp(arguments[0], key)) {\n                                arg += key + ': ' + arguments[0][key] + ', ';\n                            }\n                        }\n                        arg = arg.slice(0, -2); // Remove trailing comma and space\n                    } else {\n                        arg = arguments[i];\n                    }\n                    args.push(arg);\n                }\n                warn(\n                    msg +\n                        '\\nArguments: ' +\n                        Array.prototype.slice.call(args).join('') +\n                        '\\n' +\n                        new Error().stack\n                );\n                firstTime = false;\n            }\n            return fn.apply(this, arguments);\n        }, fn);\n    }\n\n    var deprecations = {};\n\n    function deprecateSimple(name, msg) {\n        if (hooks.deprecationHandler != null) {\n            hooks.deprecationHandler(name, msg);\n        }\n        if (!deprecations[name]) {\n            warn(msg);\n            deprecations[name] = true;\n        }\n    }\n\n    hooks.suppressDeprecationWarnings = false;\n    hooks.deprecationHandler = null;\n\n    function isFunction(input) {\n        return (\n            (typeof Function !== 'undefined' && input instanceof Function) ||\n            Object.prototype.toString.call(input) === '[object Function]'\n        );\n    }\n\n    function set(config) {\n        var prop, i;\n        for (i in config) {\n            if (hasOwnProp(config, i)) {\n                prop = config[i];\n                if (isFunction(prop)) {\n                    this[i] = prop;\n                } else {\n                    this['_' + i] = prop;\n                }\n            }\n        }\n        this._config = config;\n        // Lenient ordinal parsing accepts just a number in addition to\n        // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n        // TODO: Remove \"ordinalParse\" fallback in next major release.\n        this._dayOfMonthOrdinalParseLenient = new RegExp(\n            (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n                '|' +\n                /\\d{1,2}/.source\n        );\n    }\n\n    function mergeConfigs(parentConfig, childConfig) {\n        var res = extend({}, parentConfig),\n            prop;\n        for (prop in childConfig) {\n            if (hasOwnProp(childConfig, prop)) {\n                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n                    res[prop] = {};\n                    extend(res[prop], parentConfig[prop]);\n                    extend(res[prop], childConfig[prop]);\n                } else if (childConfig[prop] != null) {\n                    res[prop] = childConfig[prop];\n                } else {\n                    delete res[prop];\n                }\n            }\n        }\n        for (prop in parentConfig) {\n            if (\n                hasOwnProp(parentConfig, prop) &&\n                !hasOwnProp(childConfig, prop) &&\n                isObject(parentConfig[prop])\n            ) {\n                // make sure changes to properties don't modify parent config\n                res[prop] = extend({}, res[prop]);\n            }\n        }\n        return res;\n    }\n\n    function Locale(config) {\n        if (config != null) {\n            this.set(config);\n        }\n    }\n\n    var keys;\n\n    if (Object.keys) {\n        keys = Object.keys;\n    } else {\n        keys = function (obj) {\n            var i,\n                res = [];\n            for (i in obj) {\n                if (hasOwnProp(obj, i)) {\n                    res.push(i);\n                }\n            }\n            return res;\n        };\n    }\n\n    var defaultCalendar = {\n        sameDay: '[Today at] LT',\n        nextDay: '[Tomorrow at] LT',\n        nextWeek: 'dddd [at] LT',\n        lastDay: '[Yesterday at] LT',\n        lastWeek: '[Last] dddd [at] LT',\n        sameElse: 'L',\n    };\n\n    function calendar(key, mom, now) {\n        var output = this._calendar[key] || this._calendar['sameElse'];\n        return isFunction(output) ? output.call(mom, now) : output;\n    }\n\n    function zeroFill(number, targetLength, forceSign) {\n        var absNumber = '' + Math.abs(number),\n            zerosToFill = targetLength - absNumber.length,\n            sign = number >= 0;\n        return (\n            (sign ? (forceSign ? '+' : '') : '-') +\n            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +\n            absNumber\n        );\n    }\n\n    var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,\n        localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g,\n        formatFunctions = {},\n        formatTokenFunctions = {};\n\n    // token:    'M'\n    // padded:   ['MM', 2]\n    // ordinal:  'Mo'\n    // callback: function () { this.month() + 1 }\n    function addFormatToken(token, padded, ordinal, callback) {\n        var func = callback;\n        if (typeof callback === 'string') {\n            func = function () {\n                return this[callback]();\n            };\n        }\n        if (token) {\n            formatTokenFunctions[token] = func;\n        }\n        if (padded) {\n            formatTokenFunctions[padded[0]] = function () {\n                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n            };\n        }\n        if (ordinal) {\n            formatTokenFunctions[ordinal] = function () {\n                return this.localeData().ordinal(\n                    func.apply(this, arguments),\n                    token\n                );\n            };\n        }\n    }\n\n    function removeFormattingTokens(input) {\n        if (input.match(/\\[[\\s\\S]/)) {\n            return input.replace(/^\\[|\\]$/g, '');\n        }\n        return input.replace(/\\\\/g, '');\n    }\n\n    function makeFormatFunction(format) {\n        var array = format.match(formattingTokens),\n            i,\n            length;\n\n        for (i = 0, length = array.length; i < length; i++) {\n            if (formatTokenFunctions[array[i]]) {\n                array[i] = formatTokenFunctions[array[i]];\n            } else {\n                array[i] = removeFormattingTokens(array[i]);\n            }\n        }\n\n        return function (mom) {\n            var output = '',\n                i;\n            for (i = 0; i < length; i++) {\n                output += isFunction(array[i])\n                    ? array[i].call(mom, format)\n                    : array[i];\n            }\n            return output;\n        };\n    }\n\n    // format date using native date object\n    function formatMoment(m, format) {\n        if (!m.isValid()) {\n            return m.localeData().invalidDate();\n        }\n\n        format = expandFormat(format, m.localeData());\n        formatFunctions[format] =\n            formatFunctions[format] || makeFormatFunction(format);\n\n        return formatFunctions[format](m);\n    }\n\n    function expandFormat(format, locale) {\n        var i = 5;\n\n        function replaceLongDateFormatTokens(input) {\n            return locale.longDateFormat(input) || input;\n        }\n\n        localFormattingTokens.lastIndex = 0;\n        while (i >= 0 && localFormattingTokens.test(format)) {\n            format = format.replace(\n                localFormattingTokens,\n                replaceLongDateFormatTokens\n            );\n            localFormattingTokens.lastIndex = 0;\n            i -= 1;\n        }\n\n        return format;\n    }\n\n    var defaultLongDateFormat = {\n        LTS: 'h:mm:ss A',\n        LT: 'h:mm A',\n        L: 'MM/DD/YYYY',\n        LL: 'MMMM D, YYYY',\n        LLL: 'MMMM D, YYYY h:mm A',\n        LLLL: 'dddd, MMMM D, YYYY h:mm A',\n    };\n\n    function longDateFormat(key) {\n        var format = this._longDateFormat[key],\n            formatUpper = this._longDateFormat[key.toUpperCase()];\n\n        if (format || !formatUpper) {\n            return format;\n        }\n\n        this._longDateFormat[key] = formatUpper\n            .match(formattingTokens)\n            .map(function (tok) {\n                if (\n                    tok === 'MMMM' ||\n                    tok === 'MM' ||\n                    tok === 'DD' ||\n                    tok === 'dddd'\n                ) {\n                    return tok.slice(1);\n                }\n                return tok;\n            })\n            .join('');\n\n        return this._longDateFormat[key];\n    }\n\n    var defaultInvalidDate = 'Invalid date';\n\n    function invalidDate() {\n        return this._invalidDate;\n    }\n\n    var defaultOrdinal = '%d',\n        defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n    function ordinal(number) {\n        return this._ordinal.replace('%d', number);\n    }\n\n    var defaultRelativeTime = {\n        future: 'in %s',\n        past: '%s ago',\n        s: 'a few seconds',\n        ss: '%d seconds',\n        m: 'a minute',\n        mm: '%d minutes',\n        h: 'an hour',\n        hh: '%d hours',\n        d: 'a day',\n        dd: '%d days',\n        w: 'a week',\n        ww: '%d weeks',\n        M: 'a month',\n        MM: '%d months',\n        y: 'a year',\n        yy: '%d years',\n    };\n\n    function relativeTime(number, withoutSuffix, string, isFuture) {\n        var output = this._relativeTime[string];\n        return isFunction(output)\n            ? output(number, withoutSuffix, string, isFuture)\n            : output.replace(/%d/i, number);\n    }\n\n    function pastFuture(diff, output) {\n        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n        return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n    }\n\n    var aliases = {};\n\n    function addUnitAlias(unit, shorthand) {\n        var lowerCase = unit.toLowerCase();\n        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n    }\n\n    function normalizeUnits(units) {\n        return typeof units === 'string'\n            ? aliases[units] || aliases[units.toLowerCase()]\n            : undefined;\n    }\n\n    function normalizeObjectUnits(inputObject) {\n        var normalizedInput = {},\n            normalizedProp,\n            prop;\n\n        for (prop in inputObject) {\n            if (hasOwnProp(inputObject, prop)) {\n                normalizedProp = normalizeUnits(prop);\n                if (normalizedProp) {\n                    normalizedInput[normalizedProp] = inputObject[prop];\n                }\n            }\n        }\n\n        return normalizedInput;\n    }\n\n    var priorities = {};\n\n    function addUnitPriority(unit, priority) {\n        priorities[unit] = priority;\n    }\n\n    function getPrioritizedUnits(unitsObj) {\n        var units = [],\n            u;\n        for (u in unitsObj) {\n            if (hasOwnProp(unitsObj, u)) {\n                units.push({ unit: u, priority: priorities[u] });\n            }\n        }\n        units.sort(function (a, b) {\n            return a.priority - b.priority;\n        });\n        return units;\n    }\n\n    function isLeapYear(year) {\n        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n    }\n\n    function absFloor(number) {\n        if (number < 0) {\n            // -0 -> 0\n            return Math.ceil(number) || 0;\n        } else {\n            return Math.floor(number);\n        }\n    }\n\n    function toInt(argumentForCoercion) {\n        var coercedNumber = +argumentForCoercion,\n            value = 0;\n\n        if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n            value = absFloor(coercedNumber);\n        }\n\n        return value;\n    }\n\n    function makeGetSet(unit, keepTime) {\n        return function (value) {\n            if (value != null) {\n                set$1(this, unit, value);\n                hooks.updateOffset(this, keepTime);\n                return this;\n            } else {\n                return get(this, unit);\n            }\n        };\n    }\n\n    function get(mom, unit) {\n        return mom.isValid()\n            ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]()\n            : NaN;\n    }\n\n    function set$1(mom, unit, value) {\n        if (mom.isValid() && !isNaN(value)) {\n            if (\n                unit === 'FullYear' &&\n                isLeapYear(mom.year()) &&\n                mom.month() === 1 &&\n                mom.date() === 29\n            ) {\n                value = toInt(value);\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](\n                    value,\n                    mom.month(),\n                    daysInMonth(value, mom.month())\n                );\n            } else {\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n            }\n        }\n    }\n\n    // MOMENTS\n\n    function stringGet(units) {\n        units = normalizeUnits(units);\n        if (isFunction(this[units])) {\n            return this[units]();\n        }\n        return this;\n    }\n\n    function stringSet(units, value) {\n        if (typeof units === 'object') {\n            units = normalizeObjectUnits(units);\n            var prioritized = getPrioritizedUnits(units),\n                i;\n            for (i = 0; i < prioritized.length; i++) {\n                this[prioritized[i].unit](units[prioritized[i].unit]);\n            }\n        } else {\n            units = normalizeUnits(units);\n            if (isFunction(this[units])) {\n                return this[units](value);\n            }\n        }\n        return this;\n    }\n\n    var match1 = /\\d/, //       0 - 9\n        match2 = /\\d\\d/, //      00 - 99\n        match3 = /\\d{3}/, //     000 - 999\n        match4 = /\\d{4}/, //    0000 - 9999\n        match6 = /[+-]?\\d{6}/, // -999999 - 999999\n        match1to2 = /\\d\\d?/, //       0 - 99\n        match3to4 = /\\d\\d\\d\\d?/, //     999 - 9999\n        match5to6 = /\\d\\d\\d\\d\\d\\d?/, //   99999 - 999999\n        match1to3 = /\\d{1,3}/, //       0 - 999\n        match1to4 = /\\d{1,4}/, //       0 - 9999\n        match1to6 = /[+-]?\\d{1,6}/, // -999999 - 999999\n        matchUnsigned = /\\d+/, //       0 - inf\n        matchSigned = /[+-]?\\d+/, //    -inf - inf\n        matchOffset = /Z|[+-]\\d\\d:?\\d\\d/gi, // +00:00 -00:00 +0000 -0000 or Z\n        matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n        matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/, // 123456789 123456789.123\n        // any word (or two) characters or numbers including two/three word month in arabic.\n        // includes scottish gaelic two word and hyphenated months\n        matchWord = /[0-9]{0,256}['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFF07\\uFF10-\\uFFEF]{1,256}|[\\u0600-\\u06FF\\/]{1,256}(\\s*?[\\u0600-\\u06FF]{1,256}){1,2}/i,\n        regexes;\n\n    regexes = {};\n\n    function addRegexToken(token, regex, strictRegex) {\n        regexes[token] = isFunction(regex)\n            ? regex\n            : function (isStrict, localeData) {\n                  return isStrict && strictRegex ? strictRegex : regex;\n              };\n    }\n\n    function getParseRegexForToken(token, config) {\n        if (!hasOwnProp(regexes, token)) {\n            return new RegExp(unescapeFormat(token));\n        }\n\n        return regexes[token](config._strict, config._locale);\n    }\n\n    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n    function unescapeFormat(s) {\n        return regexEscape(\n            s\n                .replace('\\\\', '')\n                .replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (\n                    matched,\n                    p1,\n                    p2,\n                    p3,\n                    p4\n                ) {\n                    return p1 || p2 || p3 || p4;\n                })\n        );\n    }\n\n    function regexEscape(s) {\n        return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n    }\n\n    var tokens = {};\n\n    function addParseToken(token, callback) {\n        var i,\n            func = callback;\n        if (typeof token === 'string') {\n            token = [token];\n        }\n        if (isNumber(callback)) {\n            func = function (input, array) {\n                array[callback] = toInt(input);\n            };\n        }\n        for (i = 0; i < token.length; i++) {\n            tokens[token[i]] = func;\n        }\n    }\n\n    function addWeekParseToken(token, callback) {\n        addParseToken(token, function (input, array, config, token) {\n            config._w = config._w || {};\n            callback(input, config._w, config, token);\n        });\n    }\n\n    function addTimeToArrayFromToken(token, input, config) {\n        if (input != null && hasOwnProp(tokens, token)) {\n            tokens[token](input, config._a, config, token);\n        }\n    }\n\n    var YEAR = 0,\n        MONTH = 1,\n        DATE = 2,\n        HOUR = 3,\n        MINUTE = 4,\n        SECOND = 5,\n        MILLISECOND = 6,\n        WEEK = 7,\n        WEEKDAY = 8;\n\n    function mod(n, x) {\n        return ((n % x) + x) % x;\n    }\n\n    var indexOf;\n\n    if (Array.prototype.indexOf) {\n        indexOf = Array.prototype.indexOf;\n    } else {\n        indexOf = function (o) {\n            // I know\n            var i;\n            for (i = 0; i < this.length; ++i) {\n                if (this[i] === o) {\n                    return i;\n                }\n            }\n            return -1;\n        };\n    }\n\n    function daysInMonth(year, month) {\n        if (isNaN(year) || isNaN(month)) {\n            return NaN;\n        }\n        var modMonth = mod(month, 12);\n        year += (month - modMonth) / 12;\n        return modMonth === 1\n            ? isLeapYear(year)\n                ? 29\n                : 28\n            : 31 - ((modMonth % 7) % 2);\n    }\n\n    // FORMATTING\n\n    addFormatToken('M', ['MM', 2], 'Mo', function () {\n        return this.month() + 1;\n    });\n\n    addFormatToken('MMM', 0, 0, function (format) {\n        return this.localeData().monthsShort(this, format);\n    });\n\n    addFormatToken('MMMM', 0, 0, function (format) {\n        return this.localeData().months(this, format);\n    });\n\n    // ALIASES\n\n    addUnitAlias('month', 'M');\n\n    // PRIORITY\n\n    addUnitPriority('month', 8);\n\n    // PARSING\n\n    addRegexToken('M', match1to2);\n    addRegexToken('MM', match1to2, match2);\n    addRegexToken('MMM', function (isStrict, locale) {\n        return locale.monthsShortRegex(isStrict);\n    });\n    addRegexToken('MMMM', function (isStrict, locale) {\n        return locale.monthsRegex(isStrict);\n    });\n\n    addParseToken(['M', 'MM'], function (input, array) {\n        array[MONTH] = toInt(input) - 1;\n    });\n\n    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n        var month = config._locale.monthsParse(input, token, config._strict);\n        // if we didn't find a month name, mark the date as invalid.\n        if (month != null) {\n            array[MONTH] = month;\n        } else {\n            getParsingFlags(config).invalidMonth = input;\n        }\n    });\n\n    // LOCALES\n\n    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split(\n            '_'\n        ),\n        defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split(\n            '_'\n        ),\n        MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/,\n        defaultMonthsShortRegex = matchWord,\n        defaultMonthsRegex = matchWord;\n\n    function localeMonths(m, format) {\n        if (!m) {\n            return isArray(this._months)\n                ? this._months\n                : this._months['standalone'];\n        }\n        return isArray(this._months)\n            ? this._months[m.month()]\n            : this._months[\n                  (this._months.isFormat || MONTHS_IN_FORMAT).test(format)\n                      ? 'format'\n                      : 'standalone'\n              ][m.month()];\n    }\n\n    function localeMonthsShort(m, format) {\n        if (!m) {\n            return isArray(this._monthsShort)\n                ? this._monthsShort\n                : this._monthsShort['standalone'];\n        }\n        return isArray(this._monthsShort)\n            ? this._monthsShort[m.month()]\n            : this._monthsShort[\n                  MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'\n              ][m.month()];\n    }\n\n    function handleStrictParse(monthName, format, strict) {\n        var i,\n            ii,\n            mom,\n            llc = monthName.toLocaleLowerCase();\n        if (!this._monthsParse) {\n            // this is not used\n            this._monthsParse = [];\n            this._longMonthsParse = [];\n            this._shortMonthsParse = [];\n            for (i = 0; i < 12; ++i) {\n                mom = createUTC([2000, i]);\n                this._shortMonthsParse[i] = this.monthsShort(\n                    mom,\n                    ''\n                ).toLocaleLowerCase();\n                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n            }\n        }\n\n        if (strict) {\n            if (format === 'MMM') {\n                ii = indexOf.call(this._shortMonthsParse, llc);\n                return ii !== -1 ? ii : null;\n            } else {\n                ii = indexOf.call(this._longMonthsParse, llc);\n                return ii !== -1 ? ii : null;\n            }\n        } else {\n            if (format === 'MMM') {\n                ii = indexOf.call(this._shortMonthsParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._longMonthsParse, llc);\n                return ii !== -1 ? ii : null;\n            } else {\n                ii = indexOf.call(this._longMonthsParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._shortMonthsParse, llc);\n                return ii !== -1 ? ii : null;\n            }\n        }\n    }\n\n    function localeMonthsParse(monthName, format, strict) {\n        var i, mom, regex;\n\n        if (this._monthsParseExact) {\n            return handleStrictParse.call(this, monthName, format, strict);\n        }\n\n        if (!this._monthsParse) {\n            this._monthsParse = [];\n            this._longMonthsParse = [];\n            this._shortMonthsParse = [];\n        }\n\n        // TODO: add sorting\n        // Sorting makes sure if one month (or abbr) is a prefix of another\n        // see sorting in computeMonthsParse\n        for (i = 0; i < 12; i++) {\n            // make the regex if we don't have it already\n            mom = createUTC([2000, i]);\n            if (strict && !this._longMonthsParse[i]) {\n                this._longMonthsParse[i] = new RegExp(\n                    '^' + this.months(mom, '').replace('.', '') + '$',\n                    'i'\n                );\n                this._shortMonthsParse[i] = new RegExp(\n                    '^' + this.monthsShort(mom, '').replace('.', '') + '$',\n                    'i'\n                );\n            }\n            if (!strict && !this._monthsParse[i]) {\n                regex =\n                    '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n            }\n            // test the regex\n            if (\n                strict &&\n                format === 'MMMM' &&\n                this._longMonthsParse[i].test(monthName)\n            ) {\n                return i;\n            } else if (\n                strict &&\n                format === 'MMM' &&\n                this._shortMonthsParse[i].test(monthName)\n            ) {\n                return i;\n            } else if (!strict && this._monthsParse[i].test(monthName)) {\n                return i;\n            }\n        }\n    }\n\n    // MOMENTS\n\n    function setMonth(mom, value) {\n        var dayOfMonth;\n\n        if (!mom.isValid()) {\n            // No op\n            return mom;\n        }\n\n        if (typeof value === 'string') {\n            if (/^\\d+$/.test(value)) {\n                value = toInt(value);\n            } else {\n                value = mom.localeData().monthsParse(value);\n                // TODO: Another silent failure?\n                if (!isNumber(value)) {\n                    return mom;\n                }\n            }\n        }\n\n        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n        return mom;\n    }\n\n    function getSetMonth(value) {\n        if (value != null) {\n            setMonth(this, value);\n            hooks.updateOffset(this, true);\n            return this;\n        } else {\n            return get(this, 'Month');\n        }\n    }\n\n    function getDaysInMonth() {\n        return daysInMonth(this.year(), this.month());\n    }\n\n    function monthsShortRegex(isStrict) {\n        if (this._monthsParseExact) {\n            if (!hasOwnProp(this, '_monthsRegex')) {\n                computeMonthsParse.call(this);\n            }\n            if (isStrict) {\n                return this._monthsShortStrictRegex;\n            } else {\n                return this._monthsShortRegex;\n            }\n        } else {\n            if (!hasOwnProp(this, '_monthsShortRegex')) {\n                this._monthsShortRegex = defaultMonthsShortRegex;\n            }\n            return this._monthsShortStrictRegex && isStrict\n                ? this._monthsShortStrictRegex\n                : this._monthsShortRegex;\n        }\n    }\n\n    function monthsRegex(isStrict) {\n        if (this._monthsParseExact) {\n            if (!hasOwnProp(this, '_monthsRegex')) {\n                computeMonthsParse.call(this);\n            }\n            if (isStrict) {\n                return this._monthsStrictRegex;\n            } else {\n                return this._monthsRegex;\n            }\n        } else {\n            if (!hasOwnProp(this, '_monthsRegex')) {\n                this._monthsRegex = defaultMonthsRegex;\n            }\n            return this._monthsStrictRegex && isStrict\n                ? this._monthsStrictRegex\n                : this._monthsRegex;\n        }\n    }\n\n    function computeMonthsParse() {\n        function cmpLenRev(a, b) {\n            return b.length - a.length;\n        }\n\n        var shortPieces = [],\n            longPieces = [],\n            mixedPieces = [],\n            i,\n            mom;\n        for (i = 0; i < 12; i++) {\n            // make the regex if we don't have it already\n            mom = createUTC([2000, i]);\n            shortPieces.push(this.monthsShort(mom, ''));\n            longPieces.push(this.months(mom, ''));\n            mixedPieces.push(this.months(mom, ''));\n            mixedPieces.push(this.monthsShort(mom, ''));\n        }\n        // Sorting makes sure if one month (or abbr) is a prefix of another it\n        // will match the longer piece.\n        shortPieces.sort(cmpLenRev);\n        longPieces.sort(cmpLenRev);\n        mixedPieces.sort(cmpLenRev);\n        for (i = 0; i < 12; i++) {\n            shortPieces[i] = regexEscape(shortPieces[i]);\n            longPieces[i] = regexEscape(longPieces[i]);\n        }\n        for (i = 0; i < 24; i++) {\n            mixedPieces[i] = regexEscape(mixedPieces[i]);\n        }\n\n        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n        this._monthsShortRegex = this._monthsRegex;\n        this._monthsStrictRegex = new RegExp(\n            '^(' + longPieces.join('|') + ')',\n            'i'\n        );\n        this._monthsShortStrictRegex = new RegExp(\n            '^(' + shortPieces.join('|') + ')',\n            'i'\n        );\n    }\n\n    // FORMATTING\n\n    addFormatToken('Y', 0, 0, function () {\n        var y = this.year();\n        return y <= 9999 ? zeroFill(y, 4) : '+' + y;\n    });\n\n    addFormatToken(0, ['YY', 2], 0, function () {\n        return this.year() % 100;\n    });\n\n    addFormatToken(0, ['YYYY', 4], 0, 'year');\n    addFormatToken(0, ['YYYYY', 5], 0, 'year');\n    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n    // ALIASES\n\n    addUnitAlias('year', 'y');\n\n    // PRIORITIES\n\n    addUnitPriority('year', 1);\n\n    // PARSING\n\n    addRegexToken('Y', matchSigned);\n    addRegexToken('YY', match1to2, match2);\n    addRegexToken('YYYY', match1to4, match4);\n    addRegexToken('YYYYY', match1to6, match6);\n    addRegexToken('YYYYYY', match1to6, match6);\n\n    addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n    addParseToken('YYYY', function (input, array) {\n        array[YEAR] =\n            input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n    });\n    addParseToken('YY', function (input, array) {\n        array[YEAR] = hooks.parseTwoDigitYear(input);\n    });\n    addParseToken('Y', function (input, array) {\n        array[YEAR] = parseInt(input, 10);\n    });\n\n    // HELPERS\n\n    function daysInYear(year) {\n        return isLeapYear(year) ? 366 : 365;\n    }\n\n    // HOOKS\n\n    hooks.parseTwoDigitYear = function (input) {\n        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n    };\n\n    // MOMENTS\n\n    var getSetYear = makeGetSet('FullYear', true);\n\n    function getIsLeapYear() {\n        return isLeapYear(this.year());\n    }\n\n    function createDate(y, m, d, h, M, s, ms) {\n        // can't just apply() to create a date:\n        // https://stackoverflow.com/q/181348\n        var date;\n        // the date constructor remaps years 0-99 to 1900-1999\n        if (y < 100 && y >= 0) {\n            // preserve leap years using a full 400 year cycle, then reset\n            date = new Date(y + 400, m, d, h, M, s, ms);\n            if (isFinite(date.getFullYear())) {\n                date.setFullYear(y);\n            }\n        } else {\n            date = new Date(y, m, d, h, M, s, ms);\n        }\n\n        return date;\n    }\n\n    function createUTCDate(y) {\n        var date, args;\n        // the Date.UTC function remaps years 0-99 to 1900-1999\n        if (y < 100 && y >= 0) {\n            args = Array.prototype.slice.call(arguments);\n            // preserve leap years using a full 400 year cycle, then reset\n            args[0] = y + 400;\n            date = new Date(Date.UTC.apply(null, args));\n            if (isFinite(date.getUTCFullYear())) {\n                date.setUTCFullYear(y);\n            }\n        } else {\n            date = new Date(Date.UTC.apply(null, arguments));\n        }\n\n        return date;\n    }\n\n    // start-of-first-week - start-of-year\n    function firstWeekOffset(year, dow, doy) {\n        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n            fwd = 7 + dow - doy,\n            // first-week day local weekday -- which local weekday is fwd\n            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n        return -fwdlw + fwd - 1;\n    }\n\n    // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n        var localWeekday = (7 + weekday - dow) % 7,\n            weekOffset = firstWeekOffset(year, dow, doy),\n            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n            resYear,\n            resDayOfYear;\n\n        if (dayOfYear <= 0) {\n            resYear = year - 1;\n            resDayOfYear = daysInYear(resYear) + dayOfYear;\n        } else if (dayOfYear > daysInYear(year)) {\n            resYear = year + 1;\n            resDayOfYear = dayOfYear - daysInYear(year);\n        } else {\n            resYear = year;\n            resDayOfYear = dayOfYear;\n        }\n\n        return {\n            year: resYear,\n            dayOfYear: resDayOfYear,\n        };\n    }\n\n    function weekOfYear(mom, dow, doy) {\n        var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n            resWeek,\n            resYear;\n\n        if (week < 1) {\n            resYear = mom.year() - 1;\n            resWeek = week + weeksInYear(resYear, dow, doy);\n        } else if (week > weeksInYear(mom.year(), dow, doy)) {\n            resWeek = week - weeksInYear(mom.year(), dow, doy);\n            resYear = mom.year() + 1;\n        } else {\n            resYear = mom.year();\n            resWeek = week;\n        }\n\n        return {\n            week: resWeek,\n            year: resYear,\n        };\n    }\n\n    function weeksInYear(year, dow, doy) {\n        var weekOffset = firstWeekOffset(year, dow, doy),\n            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n    }\n\n    // FORMATTING\n\n    addFormatToken('w', ['ww', 2], 'wo', 'week');\n    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n    // ALIASES\n\n    addUnitAlias('week', 'w');\n    addUnitAlias('isoWeek', 'W');\n\n    // PRIORITIES\n\n    addUnitPriority('week', 5);\n    addUnitPriority('isoWeek', 5);\n\n    // PARSING\n\n    addRegexToken('w', match1to2);\n    addRegexToken('ww', match1to2, match2);\n    addRegexToken('W', match1to2);\n    addRegexToken('WW', match1to2, match2);\n\n    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (\n        input,\n        week,\n        config,\n        token\n    ) {\n        week[token.substr(0, 1)] = toInt(input);\n    });\n\n    // HELPERS\n\n    // LOCALES\n\n    function localeWeek(mom) {\n        return weekOfYear(mom, this._week.dow, this._week.doy).week;\n    }\n\n    var defaultLocaleWeek = {\n        dow: 0, // Sunday is the first day of the week.\n        doy: 6, // The week that contains Jan 6th is the first week of the year.\n    };\n\n    function localeFirstDayOfWeek() {\n        return this._week.dow;\n    }\n\n    function localeFirstDayOfYear() {\n        return this._week.doy;\n    }\n\n    // MOMENTS\n\n    function getSetWeek(input) {\n        var week = this.localeData().week(this);\n        return input == null ? week : this.add((input - week) * 7, 'd');\n    }\n\n    function getSetISOWeek(input) {\n        var week = weekOfYear(this, 1, 4).week;\n        return input == null ? week : this.add((input - week) * 7, 'd');\n    }\n\n    // FORMATTING\n\n    addFormatToken('d', 0, 'do', 'day');\n\n    addFormatToken('dd', 0, 0, function (format) {\n        return this.localeData().weekdaysMin(this, format);\n    });\n\n    addFormatToken('ddd', 0, 0, function (format) {\n        return this.localeData().weekdaysShort(this, format);\n    });\n\n    addFormatToken('dddd', 0, 0, function (format) {\n        return this.localeData().weekdays(this, format);\n    });\n\n    addFormatToken('e', 0, 0, 'weekday');\n    addFormatToken('E', 0, 0, 'isoWeekday');\n\n    // ALIASES\n\n    addUnitAlias('day', 'd');\n    addUnitAlias('weekday', 'e');\n    addUnitAlias('isoWeekday', 'E');\n\n    // PRIORITY\n    addUnitPriority('day', 11);\n    addUnitPriority('weekday', 11);\n    addUnitPriority('isoWeekday', 11);\n\n    // PARSING\n\n    addRegexToken('d', match1to2);\n    addRegexToken('e', match1to2);\n    addRegexToken('E', match1to2);\n    addRegexToken('dd', function (isStrict, locale) {\n        return locale.weekdaysMinRegex(isStrict);\n    });\n    addRegexToken('ddd', function (isStrict, locale) {\n        return locale.weekdaysShortRegex(isStrict);\n    });\n    addRegexToken('dddd', function (isStrict, locale) {\n        return locale.weekdaysRegex(isStrict);\n    });\n\n    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n        var weekday = config._locale.weekdaysParse(input, token, config._strict);\n        // if we didn't get a weekday name, mark the date as invalid\n        if (weekday != null) {\n            week.d = weekday;\n        } else {\n            getParsingFlags(config).invalidWeekday = input;\n        }\n    });\n\n    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n        week[token] = toInt(input);\n    });\n\n    // HELPERS\n\n    function parseWeekday(input, locale) {\n        if (typeof input !== 'string') {\n            return input;\n        }\n\n        if (!isNaN(input)) {\n            return parseInt(input, 10);\n        }\n\n        input = locale.weekdaysParse(input);\n        if (typeof input === 'number') {\n            return input;\n        }\n\n        return null;\n    }\n\n    function parseIsoWeekday(input, locale) {\n        if (typeof input === 'string') {\n            return locale.weekdaysParse(input) % 7 || 7;\n        }\n        return isNaN(input) ? null : input;\n    }\n\n    // LOCALES\n    function shiftWeekdays(ws, n) {\n        return ws.slice(n, 7).concat(ws.slice(0, n));\n    }\n\n    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split(\n            '_'\n        ),\n        defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),\n        defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),\n        defaultWeekdaysRegex = matchWord,\n        defaultWeekdaysShortRegex = matchWord,\n        defaultWeekdaysMinRegex = matchWord;\n\n    function localeWeekdays(m, format) {\n        var weekdays = isArray(this._weekdays)\n            ? this._weekdays\n            : this._weekdays[\n                  m && m !== true && this._weekdays.isFormat.test(format)\n                      ? 'format'\n                      : 'standalone'\n              ];\n        return m === true\n            ? shiftWeekdays(weekdays, this._week.dow)\n            : m\n            ? weekdays[m.day()]\n            : weekdays;\n    }\n\n    function localeWeekdaysShort(m) {\n        return m === true\n            ? shiftWeekdays(this._weekdaysShort, this._week.dow)\n            : m\n            ? this._weekdaysShort[m.day()]\n            : this._weekdaysShort;\n    }\n\n    function localeWeekdaysMin(m) {\n        return m === true\n            ? shiftWeekdays(this._weekdaysMin, this._week.dow)\n            : m\n            ? this._weekdaysMin[m.day()]\n            : this._weekdaysMin;\n    }\n\n    function handleStrictParse$1(weekdayName, format, strict) {\n        var i,\n            ii,\n            mom,\n            llc = weekdayName.toLocaleLowerCase();\n        if (!this._weekdaysParse) {\n            this._weekdaysParse = [];\n            this._shortWeekdaysParse = [];\n            this._minWeekdaysParse = [];\n\n            for (i = 0; i < 7; ++i) {\n                mom = createUTC([2000, 1]).day(i);\n                this._minWeekdaysParse[i] = this.weekdaysMin(\n                    mom,\n                    ''\n                ).toLocaleLowerCase();\n                this._shortWeekdaysParse[i] = this.weekdaysShort(\n                    mom,\n                    ''\n                ).toLocaleLowerCase();\n                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n            }\n        }\n\n        if (strict) {\n            if (format === 'dddd') {\n                ii = indexOf.call(this._weekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            } else if (format === 'ddd') {\n                ii = indexOf.call(this._shortWeekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            } else {\n                ii = indexOf.call(this._minWeekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            }\n        } else {\n            if (format === 'dddd') {\n                ii = indexOf.call(this._weekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._shortWeekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._minWeekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            } else if (format === 'ddd') {\n                ii = indexOf.call(this._shortWeekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._weekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._minWeekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            } else {\n                ii = indexOf.call(this._minWeekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._weekdaysParse, llc);\n                if (ii !== -1) {\n                    return ii;\n                }\n                ii = indexOf.call(this._shortWeekdaysParse, llc);\n                return ii !== -1 ? ii : null;\n            }\n        }\n    }\n\n    function localeWeekdaysParse(weekdayName, format, strict) {\n        var i, mom, regex;\n\n        if (this._weekdaysParseExact) {\n            return handleStrictParse$1.call(this, weekdayName, format, strict);\n        }\n\n        if (!this._weekdaysParse) {\n            this._weekdaysParse = [];\n            this._minWeekdaysParse = [];\n            this._shortWeekdaysParse = [];\n            this._fullWeekdaysParse = [];\n        }\n\n        for (i = 0; i < 7; i++) {\n            // make the regex if we don't have it already\n\n            mom = createUTC([2000, 1]).day(i);\n            if (strict && !this._fullWeekdaysParse[i]) {\n                this._fullWeekdaysParse[i] = new RegExp(\n                    '^' + this.weekdays(mom, '').replace('.', '\\\\.?') + '$',\n                    'i'\n                );\n                this._shortWeekdaysParse[i] = new RegExp(\n                    '^' + this.weekdaysShort(mom, '').replace('.', '\\\\.?') + '$',\n                    'i'\n                );\n                this._minWeekdaysParse[i] = new RegExp(\n                    '^' + this.weekdaysMin(mom, '').replace('.', '\\\\.?') + '$',\n                    'i'\n                );\n            }\n            if (!this._weekdaysParse[i]) {\n                regex =\n                    '^' +\n                    this.weekdays(mom, '') +\n                    '|^' +\n                    this.weekdaysShort(mom, '') +\n                    '|^' +\n                    this.weekdaysMin(mom, '');\n                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n            }\n            // test the regex\n            if (\n                strict &&\n                format === 'dddd' &&\n                this._fullWeekdaysParse[i].test(weekdayName)\n            ) {\n                return i;\n            } else if (\n                strict &&\n                format === 'ddd' &&\n                this._shortWeekdaysParse[i].test(weekdayName)\n            ) {\n                return i;\n            } else if (\n                strict &&\n                format === 'dd' &&\n                this._minWeekdaysParse[i].test(weekdayName)\n            ) {\n                return i;\n            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n                return i;\n            }\n        }\n    }\n\n    // MOMENTS\n\n    function getSetDayOfWeek(input) {\n        if (!this.isValid()) {\n            return input != null ? this : NaN;\n        }\n        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n        if (input != null) {\n            input = parseWeekday(input, this.localeData());\n            return this.add(input - day, 'd');\n        } else {\n            return day;\n        }\n    }\n\n    function getSetLocaleDayOfWeek(input) {\n        if (!this.isValid()) {\n            return input != null ? this : NaN;\n        }\n        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n        return input == null ? weekday : this.add(input - weekday, 'd');\n    }\n\n    function getSetISODayOfWeek(input) {\n        if (!this.isValid()) {\n            return input != null ? this : NaN;\n        }\n\n        // behaves the same as moment#day except\n        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n        // as a setter, sunday should belong to the previous week.\n\n        if (input != null) {\n            var weekday = parseIsoWeekday(input, this.localeData());\n            return this.day(this.day() % 7 ? weekday : weekday - 7);\n        } else {\n            return this.day() || 7;\n        }\n    }\n\n    function weekdaysRegex(isStrict) {\n        if (this._weekdaysParseExact) {\n            if (!hasOwnProp(this, '_weekdaysRegex')) {\n                computeWeekdaysParse.call(this);\n            }\n            if (isStrict) {\n                return this._weekdaysStrictRegex;\n            } else {\n                return this._weekdaysRegex;\n            }\n        } else {\n            if (!hasOwnProp(this, '_weekdaysRegex')) {\n                this._weekdaysRegex = defaultWeekdaysRegex;\n            }\n            return this._weekdaysStrictRegex && isStrict\n                ? this._weekdaysStrictRegex\n                : this._weekdaysRegex;\n        }\n    }\n\n    function weekdaysShortRegex(isStrict) {\n        if (this._weekdaysParseExact) {\n            if (!hasOwnProp(this, '_weekdaysRegex')) {\n                computeWeekdaysParse.call(this);\n            }\n            if (isStrict) {\n                return this._weekdaysShortStrictRegex;\n            } else {\n                return this._weekdaysShortRegex;\n            }\n        } else {\n            if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n                this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n            }\n            return this._weekdaysShortStrictRegex && isStrict\n                ? this._weekdaysShortStrictRegex\n                : this._weekdaysShortRegex;\n        }\n    }\n\n    function weekdaysMinRegex(isStrict) {\n        if (this._weekdaysParseExact) {\n            if (!hasOwnProp(this, '_weekdaysRegex')) {\n                computeWeekdaysParse.call(this);\n            }\n            if (isStrict) {\n                return this._weekdaysMinStrictRegex;\n            } else {\n                return this._weekdaysMinRegex;\n            }\n        } else {\n            if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n                this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n            }\n            return this._weekdaysMinStrictRegex && isStrict\n                ? this._weekdaysMinStrictRegex\n                : this._weekdaysMinRegex;\n        }\n    }\n\n    function computeWeekdaysParse() {\n        function cmpLenRev(a, b) {\n            return b.length - a.length;\n        }\n\n        var minPieces = [],\n            shortPieces = [],\n            longPieces = [],\n            mixedPieces = [],\n            i,\n            mom,\n            minp,\n            shortp,\n            longp;\n        for (i = 0; i < 7; i++) {\n            // make the regex if we don't have it already\n            mom = createUTC([2000, 1]).day(i);\n            minp = regexEscape(this.weekdaysMin(mom, ''));\n            shortp = regexEscape(this.weekdaysShort(mom, ''));\n            longp = regexEscape(this.weekdays(mom, ''));\n            minPieces.push(minp);\n            shortPieces.push(shortp);\n            longPieces.push(longp);\n            mixedPieces.push(minp);\n            mixedPieces.push(shortp);\n            mixedPieces.push(longp);\n        }\n        // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n        // will match the longer piece.\n        minPieces.sort(cmpLenRev);\n        shortPieces.sort(cmpLenRev);\n        longPieces.sort(cmpLenRev);\n        mixedPieces.sort(cmpLenRev);\n\n        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n        this._weekdaysShortRegex = this._weekdaysRegex;\n        this._weekdaysMinRegex = this._weekdaysRegex;\n\n        this._weekdaysStrictRegex = new RegExp(\n            '^(' + longPieces.join('|') + ')',\n            'i'\n        );\n        this._weekdaysShortStrictRegex = new RegExp(\n            '^(' + shortPieces.join('|') + ')',\n            'i'\n        );\n        this._weekdaysMinStrictRegex = new RegExp(\n            '^(' + minPieces.join('|') + ')',\n            'i'\n        );\n    }\n\n    // FORMATTING\n\n    function hFormat() {\n        return this.hours() % 12 || 12;\n    }\n\n    function kFormat() {\n        return this.hours() || 24;\n    }\n\n    addFormatToken('H', ['HH', 2], 0, 'hour');\n    addFormatToken('h', ['hh', 2], 0, hFormat);\n    addFormatToken('k', ['kk', 2], 0, kFormat);\n\n    addFormatToken('hmm', 0, 0, function () {\n        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n    });\n\n    addFormatToken('hmmss', 0, 0, function () {\n        return (\n            '' +\n            hFormat.apply(this) +\n            zeroFill(this.minutes(), 2) +\n            zeroFill(this.seconds(), 2)\n        );\n    });\n\n    addFormatToken('Hmm', 0, 0, function () {\n        return '' + this.hours() + zeroFill(this.minutes(), 2);\n    });\n\n    addFormatToken('Hmmss', 0, 0, function () {\n        return (\n            '' +\n            this.hours() +\n            zeroFill(this.minutes(), 2) +\n            zeroFill(this.seconds(), 2)\n        );\n    });\n\n    function meridiem(token, lowercase) {\n        addFormatToken(token, 0, 0, function () {\n            return this.localeData().meridiem(\n                this.hours(),\n                this.minutes(),\n                lowercase\n            );\n        });\n    }\n\n    meridiem('a', true);\n    meridiem('A', false);\n\n    // ALIASES\n\n    addUnitAlias('hour', 'h');\n\n    // PRIORITY\n    addUnitPriority('hour', 13);\n\n    // PARSING\n\n    function matchMeridiem(isStrict, locale) {\n        return locale._meridiemParse;\n    }\n\n    addRegexToken('a', matchMeridiem);\n    addRegexToken('A', matchMeridiem);\n    addRegexToken('H', match1to2);\n    addRegexToken('h', match1to2);\n    addRegexToken('k', match1to2);\n    addRegexToken('HH', match1to2, match2);\n    addRegexToken('hh', match1to2, match2);\n    addRegexToken('kk', match1to2, match2);\n\n    addRegexToken('hmm', match3to4);\n    addRegexToken('hmmss', match5to6);\n    addRegexToken('Hmm', match3to4);\n    addRegexToken('Hmmss', match5to6);\n\n    addParseToken(['H', 'HH'], HOUR);\n    addParseToken(['k', 'kk'], function (input, array, config) {\n        var kInput = toInt(input);\n        array[HOUR] = kInput === 24 ? 0 : kInput;\n    });\n    addParseToken(['a', 'A'], function (input, array, config) {\n        config._isPm = config._locale.isPM(input);\n        config._meridiem = input;\n    });\n    addParseToken(['h', 'hh'], function (input, array, config) {\n        array[HOUR] = toInt(input);\n        getParsingFlags(config).bigHour = true;\n    });\n    addParseToken('hmm', function (input, array, config) {\n        var pos = input.length - 2;\n        array[HOUR] = toInt(input.substr(0, pos));\n        array[MINUTE] = toInt(input.substr(pos));\n        getParsingFlags(config).bigHour = true;\n    });\n    addParseToken('hmmss', function (input, array, config) {\n        var pos1 = input.length - 4,\n            pos2 = input.length - 2;\n        array[HOUR] = toInt(input.substr(0, pos1));\n        array[MINUTE] = toInt(input.substr(pos1, 2));\n        array[SECOND] = toInt(input.substr(pos2));\n        getParsingFlags(config).bigHour = true;\n    });\n    addParseToken('Hmm', function (input, array, config) {\n        var pos = input.length - 2;\n        array[HOUR] = toInt(input.substr(0, pos));\n        array[MINUTE] = toInt(input.substr(pos));\n    });\n    addParseToken('Hmmss', function (input, array, config) {\n        var pos1 = input.length - 4,\n            pos2 = input.length - 2;\n        array[HOUR] = toInt(input.substr(0, pos1));\n        array[MINUTE] = toInt(input.substr(pos1, 2));\n        array[SECOND] = toInt(input.substr(pos2));\n    });\n\n    // LOCALES\n\n    function localeIsPM(input) {\n        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n        // Using charAt should be more compatible.\n        return (input + '').toLowerCase().charAt(0) === 'p';\n    }\n\n    var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i,\n        // Setting the hour should keep the time, because the user explicitly\n        // specified which hour they want. So trying to maintain the same hour (in\n        // a new timezone) makes sense. Adding/subtracting hours does not follow\n        // this rule.\n        getSetHour = makeGetSet('Hours', true);\n\n    function localeMeridiem(hours, minutes, isLower) {\n        if (hours > 11) {\n            return isLower ? 'pm' : 'PM';\n        } else {\n            return isLower ? 'am' : 'AM';\n        }\n    }\n\n    var baseConfig = {\n        calendar: defaultCalendar,\n        longDateFormat: defaultLongDateFormat,\n        invalidDate: defaultInvalidDate,\n        ordinal: defaultOrdinal,\n        dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n        relativeTime: defaultRelativeTime,\n\n        months: defaultLocaleMonths,\n        monthsShort: defaultLocaleMonthsShort,\n\n        week: defaultLocaleWeek,\n\n        weekdays: defaultLocaleWeekdays,\n        weekdaysMin: defaultLocaleWeekdaysMin,\n        weekdaysShort: defaultLocaleWeekdaysShort,\n\n        meridiemParse: defaultLocaleMeridiemParse,\n    };\n\n    // internal storage for locale config files\n    var locales = {},\n        localeFamilies = {},\n        globalLocale;\n\n    function commonPrefix(arr1, arr2) {\n        var i,\n            minl = Math.min(arr1.length, arr2.length);\n        for (i = 0; i < minl; i += 1) {\n            if (arr1[i] !== arr2[i]) {\n                return i;\n            }\n        }\n        return minl;\n    }\n\n    function normalizeLocale(key) {\n        return key ? key.toLowerCase().replace('_', '-') : key;\n    }\n\n    // pick the locale from the array\n    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n    function chooseLocale(names) {\n        var i = 0,\n            j,\n            next,\n            locale,\n            split;\n\n        while (i < names.length) {\n            split = normalizeLocale(names[i]).split('-');\n            j = split.length;\n            next = normalizeLocale(names[i + 1]);\n            next = next ? next.split('-') : null;\n            while (j > 0) {\n                locale = loadLocale(split.slice(0, j).join('-'));\n                if (locale) {\n                    return locale;\n                }\n                if (\n                    next &&\n                    next.length >= j &&\n                    commonPrefix(split, next) >= j - 1\n                ) {\n                    //the next array item is better than a shallower substring of this one\n                    break;\n                }\n                j--;\n            }\n            i++;\n        }\n        return globalLocale;\n    }\n\n    function loadLocale(name) {\n        var oldLocale = null,\n            aliasedRequire;\n        // TODO: Find a better way to register and load all the locales in Node\n        if (\n            locales[name] === undefined &&\n            typeof module !== 'undefined' &&\n            module &&\n            module.exports\n        ) {\n            try {\n                oldLocale = globalLocale._abbr;\n                aliasedRequire = require;\n                aliasedRequire('./locale/' + name);\n                getSetGlobalLocale(oldLocale);\n            } catch (e) {\n                // mark as not found to avoid repeating expensive file require call causing high CPU\n                // when trying to find en-US, en_US, en-us for every format call\n                locales[name] = null; // null means not found\n            }\n        }\n        return locales[name];\n    }\n\n    // This function will load locale and then set the global locale.  If\n    // no arguments are passed in, it will simply return the current global\n    // locale key.\n    function getSetGlobalLocale(key, values) {\n        var data;\n        if (key) {\n            if (isUndefined(values)) {\n                data = getLocale(key);\n            } else {\n                data = defineLocale(key, values);\n            }\n\n            if (data) {\n                // moment.duration._locale = moment._locale = data;\n                globalLocale = data;\n            } else {\n                if (typeof console !== 'undefined' && console.warn) {\n                    //warn user if arguments are passed but the locale could not be set\n                    console.warn(\n                        'Locale ' + key + ' not found. Did you forget to load it?'\n                    );\n                }\n            }\n        }\n\n        return globalLocale._abbr;\n    }\n\n    function defineLocale(name, config) {\n        if (config !== null) {\n            var locale,\n                parentConfig = baseConfig;\n            config.abbr = name;\n            if (locales[name] != null) {\n                deprecateSimple(\n                    'defineLocaleOverride',\n                    'use moment.updateLocale(localeName, config) to change ' +\n                        'an existing locale. moment.defineLocale(localeName, ' +\n                        'config) should only be used for creating a new locale ' +\n                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'\n                );\n                parentConfig = locales[name]._config;\n            } else if (config.parentLocale != null) {\n                if (locales[config.parentLocale] != null) {\n                    parentConfig = locales[config.parentLocale]._config;\n                } else {\n                    locale = loadLocale(config.parentLocale);\n                    if (locale != null) {\n                        parentConfig = locale._config;\n                    } else {\n                        if (!localeFamilies[config.parentLocale]) {\n                            localeFamilies[config.parentLocale] = [];\n                        }\n                        localeFamilies[config.parentLocale].push({\n                            name: name,\n                            config: config,\n                        });\n                        return null;\n                    }\n                }\n            }\n            locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n            if (localeFamilies[name]) {\n                localeFamilies[name].forEach(function (x) {\n                    defineLocale(x.name, x.config);\n                });\n            }\n\n            // backwards compat for now: also set the locale\n            // make sure we set the locale AFTER all child locales have been\n            // created, so we won't end up with the child locale set.\n            getSetGlobalLocale(name);\n\n            return locales[name];\n        } else {\n            // useful for testing\n            delete locales[name];\n            return null;\n        }\n    }\n\n    function updateLocale(name, config) {\n        if (config != null) {\n            var locale,\n                tmpLocale,\n                parentConfig = baseConfig;\n\n            if (locales[name] != null && locales[name].parentLocale != null) {\n                // Update existing child locale in-place to avoid memory-leaks\n                locales[name].set(mergeConfigs(locales[name]._config, config));\n            } else {\n                // MERGE\n                tmpLocale = loadLocale(name);\n                if (tmpLocale != null) {\n                    parentConfig = tmpLocale._config;\n                }\n                config = mergeConfigs(parentConfig, config);\n                if (tmpLocale == null) {\n                    // updateLocale is called for creating a new locale\n                    // Set abbr so it will have a name (getters return\n                    // undefined otherwise).\n                    config.abbr = name;\n                }\n                locale = new Locale(config);\n                locale.parentLocale = locales[name];\n                locales[name] = locale;\n            }\n\n            // backwards compat for now: also set the locale\n            getSetGlobalLocale(name);\n        } else {\n            // pass null for config to unupdate, useful for tests\n            if (locales[name] != null) {\n                if (locales[name].parentLocale != null) {\n                    locales[name] = locales[name].parentLocale;\n                    if (name === getSetGlobalLocale()) {\n                        getSetGlobalLocale(name);\n                    }\n                } else if (locales[name] != null) {\n                    delete locales[name];\n                }\n            }\n        }\n        return locales[name];\n    }\n\n    // returns locale data\n    function getLocale(key) {\n        var locale;\n\n        if (key && key._locale && key._locale._abbr) {\n            key = key._locale._abbr;\n        }\n\n        if (!key) {\n            return globalLocale;\n        }\n\n        if (!isArray(key)) {\n            //short-circuit everything else\n            locale = loadLocale(key);\n            if (locale) {\n                return locale;\n            }\n            key = [key];\n        }\n\n        return chooseLocale(key);\n    }\n\n    function listLocales() {\n        return keys(locales);\n    }\n\n    function checkOverflow(m) {\n        var overflow,\n            a = m._a;\n\n        if (a && getParsingFlags(m).overflow === -2) {\n            overflow =\n                a[MONTH] < 0 || a[MONTH] > 11\n                    ? MONTH\n                    : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])\n                    ? DATE\n                    : a[HOUR] < 0 ||\n                      a[HOUR] > 24 ||\n                      (a[HOUR] === 24 &&\n                          (a[MINUTE] !== 0 ||\n                              a[SECOND] !== 0 ||\n                              a[MILLISECOND] !== 0))\n                    ? HOUR\n                    : a[MINUTE] < 0 || a[MINUTE] > 59\n                    ? MINUTE\n                    : a[SECOND] < 0 || a[SECOND] > 59\n                    ? SECOND\n                    : a[MILLISECOND] < 0 || a[MILLISECOND] > 999\n                    ? MILLISECOND\n                    : -1;\n\n            if (\n                getParsingFlags(m)._overflowDayOfYear &&\n                (overflow < YEAR || overflow > DATE)\n            ) {\n                overflow = DATE;\n            }\n            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n                overflow = WEEK;\n            }\n            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n                overflow = WEEKDAY;\n            }\n\n            getParsingFlags(m).overflow = overflow;\n        }\n\n        return m;\n    }\n\n    // iso 8601 regex\n    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n    var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n        basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d|))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n        tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/,\n        isoDates = [\n            ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n            ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n            ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n            ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n            ['YYYY-DDD', /\\d{4}-\\d{3}/],\n            ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n            ['YYYYYYMMDD', /[+-]\\d{10}/],\n            ['YYYYMMDD', /\\d{8}/],\n            ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n            ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n            ['YYYYDDD', /\\d{7}/],\n            ['YYYYMM', /\\d{6}/, false],\n            ['YYYY', /\\d{4}/, false],\n        ],\n        // iso time formats and regexes\n        isoTimes = [\n            ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n            ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n            ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n            ['HH:mm', /\\d\\d:\\d\\d/],\n            ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n            ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n            ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n            ['HHmm', /\\d\\d\\d\\d/],\n            ['HH', /\\d\\d/],\n        ],\n        aspNetJsonRegex = /^\\/?Date\\((-?\\d+)/i,\n        // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n        rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d{1,2})\\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(\\d{2,4})\\s(\\d\\d):(\\d\\d)(?::(\\d\\d))?\\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\\d{4}))$/,\n        obsOffsets = {\n            UT: 0,\n            GMT: 0,\n            EDT: -4 * 60,\n            EST: -5 * 60,\n            CDT: -5 * 60,\n            CST: -6 * 60,\n            MDT: -6 * 60,\n            MST: -7 * 60,\n            PDT: -7 * 60,\n            PST: -8 * 60,\n        };\n\n    // date from iso format\n    function configFromISO(config) {\n        var i,\n            l,\n            string = config._i,\n            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n            allowTime,\n            dateFormat,\n            timeFormat,\n            tzFormat;\n\n        if (match) {\n            getParsingFlags(config).iso = true;\n\n            for (i = 0, l = isoDates.length; i < l; i++) {\n                if (isoDates[i][1].exec(match[1])) {\n                    dateFormat = isoDates[i][0];\n                    allowTime = isoDates[i][2] !== false;\n                    break;\n                }\n            }\n            if (dateFormat == null) {\n                config._isValid = false;\n                return;\n            }\n            if (match[3]) {\n                for (i = 0, l = isoTimes.length; i < l; i++) {\n                    if (isoTimes[i][1].exec(match[3])) {\n                        // match[2] should be 'T' or space\n                        timeFormat = (match[2] || ' ') + isoTimes[i][0];\n                        break;\n                    }\n                }\n                if (timeFormat == null) {\n                    config._isValid = false;\n                    return;\n                }\n            }\n            if (!allowTime && timeFormat != null) {\n                config._isValid = false;\n                return;\n            }\n            if (match[4]) {\n                if (tzRegex.exec(match[4])) {\n                    tzFormat = 'Z';\n                } else {\n                    config._isValid = false;\n                    return;\n                }\n            }\n            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n            configFromStringAndFormat(config);\n        } else {\n            config._isValid = false;\n        }\n    }\n\n    function extractFromRFC2822Strings(\n        yearStr,\n        monthStr,\n        dayStr,\n        hourStr,\n        minuteStr,\n        secondStr\n    ) {\n        var result = [\n            untruncateYear(yearStr),\n            defaultLocaleMonthsShort.indexOf(monthStr),\n            parseInt(dayStr, 10),\n            parseInt(hourStr, 10),\n            parseInt(minuteStr, 10),\n        ];\n\n        if (secondStr) {\n            result.push(parseInt(secondStr, 10));\n        }\n\n        return result;\n    }\n\n    function untruncateYear(yearStr) {\n        var year = parseInt(yearStr, 10);\n        if (year <= 49) {\n            return 2000 + year;\n        } else if (year <= 999) {\n            return 1900 + year;\n        }\n        return year;\n    }\n\n    function preprocessRFC2822(s) {\n        // Remove comments and folding whitespace and replace multiple-spaces with a single space\n        return s\n            .replace(/\\([^)]*\\)|[\\n\\t]/g, ' ')\n            .replace(/(\\s\\s+)/g, ' ')\n            .replace(/^\\s\\s*/, '')\n            .replace(/\\s\\s*$/, '');\n    }\n\n    function checkWeekday(weekdayStr, parsedInput, config) {\n        if (weekdayStr) {\n            // TODO: Replace the vanilla JS Date object with an independent day-of-week check.\n            var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),\n                weekdayActual = new Date(\n                    parsedInput[0],\n                    parsedInput[1],\n                    parsedInput[2]\n                ).getDay();\n            if (weekdayProvided !== weekdayActual) {\n                getParsingFlags(config).weekdayMismatch = true;\n                config._isValid = false;\n                return false;\n            }\n        }\n        return true;\n    }\n\n    function calculateOffset(obsOffset, militaryOffset, numOffset) {\n        if (obsOffset) {\n            return obsOffsets[obsOffset];\n        } else if (militaryOffset) {\n            // the only allowed military tz is Z\n            return 0;\n        } else {\n            var hm = parseInt(numOffset, 10),\n                m = hm % 100,\n                h = (hm - m) / 100;\n            return h * 60 + m;\n        }\n    }\n\n    // date and time from ref 2822 format\n    function configFromRFC2822(config) {\n        var match = rfc2822.exec(preprocessRFC2822(config._i)),\n            parsedArray;\n        if (match) {\n            parsedArray = extractFromRFC2822Strings(\n                match[4],\n                match[3],\n                match[2],\n                match[5],\n                match[6],\n                match[7]\n            );\n            if (!checkWeekday(match[1], parsedArray, config)) {\n                return;\n            }\n\n            config._a = parsedArray;\n            config._tzm = calculateOffset(match[8], match[9], match[10]);\n\n            config._d = createUTCDate.apply(null, config._a);\n            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n\n            getParsingFlags(config).rfc2822 = true;\n        } else {\n            config._isValid = false;\n        }\n    }\n\n    // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict\n    function configFromString(config) {\n        var matched = aspNetJsonRegex.exec(config._i);\n        if (matched !== null) {\n            config._d = new Date(+matched[1]);\n            return;\n        }\n\n        configFromISO(config);\n        if (config._isValid === false) {\n            delete config._isValid;\n        } else {\n            return;\n        }\n\n        configFromRFC2822(config);\n        if (config._isValid === false) {\n            delete config._isValid;\n        } else {\n            return;\n        }\n\n        if (config._strict) {\n            config._isValid = false;\n        } else {\n            // Final attempt, use Input Fallback\n            hooks.createFromInputFallback(config);\n        }\n    }\n\n    hooks.createFromInputFallback = deprecate(\n        'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n            'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n        function (config) {\n            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n        }\n    );\n\n    // Pick the first defined of two or three arguments.\n    function defaults(a, b, c) {\n        if (a != null) {\n            return a;\n        }\n        if (b != null) {\n            return b;\n        }\n        return c;\n    }\n\n    function currentDateArray(config) {\n        // hooks is actually the exported moment object\n        var nowValue = new Date(hooks.now());\n        if (config._useUTC) {\n            return [\n                nowValue.getUTCFullYear(),\n                nowValue.getUTCMonth(),\n                nowValue.getUTCDate(),\n            ];\n        }\n        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n    }\n\n    // convert an array to a date.\n    // the array should mirror the parameters below\n    // note: all values past the year are optional and will default to the lowest possible value.\n    // [year, month, day , hour, minute, second, millisecond]\n    function configFromArray(config) {\n        var i,\n            date,\n            input = [],\n            currentDate,\n            expectedWeekday,\n            yearToUse;\n\n        if (config._d) {\n            return;\n        }\n\n        currentDate = currentDateArray(config);\n\n        //compute day of the year from weeks and weekdays\n        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n            dayOfYearFromWeekInfo(config);\n        }\n\n        //if the day of the year is set, figure out what it is\n        if (config._dayOfYear != null) {\n            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n            if (\n                config._dayOfYear > daysInYear(yearToUse) ||\n                config._dayOfYear === 0\n            ) {\n                getParsingFlags(config)._overflowDayOfYear = true;\n            }\n\n            date = createUTCDate(yearToUse, 0, config._dayOfYear);\n            config._a[MONTH] = date.getUTCMonth();\n            config._a[DATE] = date.getUTCDate();\n        }\n\n        // Default to current date.\n        // * if no year, month, day of month are given, default to today\n        // * if day of month is given, default month and year\n        // * if month is given, default only year\n        // * if year is given, don't default anything\n        for (i = 0; i < 3 && config._a[i] == null; ++i) {\n            config._a[i] = input[i] = currentDate[i];\n        }\n\n        // Zero out whatever was not defaulted, including time\n        for (; i < 7; i++) {\n            config._a[i] = input[i] =\n                config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];\n        }\n\n        // Check for 24:00:00.000\n        if (\n            config._a[HOUR] === 24 &&\n            config._a[MINUTE] === 0 &&\n            config._a[SECOND] === 0 &&\n            config._a[MILLISECOND] === 0\n        ) {\n            config._nextDay = true;\n            config._a[HOUR] = 0;\n        }\n\n        config._d = (config._useUTC ? createUTCDate : createDate).apply(\n            null,\n            input\n        );\n        expectedWeekday = config._useUTC\n            ? config._d.getUTCDay()\n            : config._d.getDay();\n\n        // Apply timezone offset from input. The actual utcOffset can be changed\n        // with parseZone.\n        if (config._tzm != null) {\n            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n        }\n\n        if (config._nextDay) {\n            config._a[HOUR] = 24;\n        }\n\n        // check for mismatching day of week\n        if (\n            config._w &&\n            typeof config._w.d !== 'undefined' &&\n            config._w.d !== expectedWeekday\n        ) {\n            getParsingFlags(config).weekdayMismatch = true;\n        }\n    }\n\n    function dayOfYearFromWeekInfo(config) {\n        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;\n\n        w = config._w;\n        if (w.GG != null || w.W != null || w.E != null) {\n            dow = 1;\n            doy = 4;\n\n            // TODO: We need to take the current isoWeekYear, but that depends on\n            // how we interpret now (local, utc, fixed offset). So create\n            // a now version of current config (take local/utc/offset flags, and\n            // create now).\n            weekYear = defaults(\n                w.GG,\n                config._a[YEAR],\n                weekOfYear(createLocal(), 1, 4).year\n            );\n            week = defaults(w.W, 1);\n            weekday = defaults(w.E, 1);\n            if (weekday < 1 || weekday > 7) {\n                weekdayOverflow = true;\n            }\n        } else {\n            dow = config._locale._week.dow;\n            doy = config._locale._week.doy;\n\n            curWeek = weekOfYear(createLocal(), dow, doy);\n\n            weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n            // Default to current week.\n            week = defaults(w.w, curWeek.week);\n\n            if (w.d != null) {\n                // weekday -- low day numbers are considered next week\n                weekday = w.d;\n                if (weekday < 0 || weekday > 6) {\n                    weekdayOverflow = true;\n                }\n            } else if (w.e != null) {\n                // local weekday -- counting starts from beginning of week\n                weekday = w.e + dow;\n                if (w.e < 0 || w.e > 6) {\n                    weekdayOverflow = true;\n                }\n            } else {\n                // default to beginning of week\n                weekday = dow;\n            }\n        }\n        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n            getParsingFlags(config)._overflowWeeks = true;\n        } else if (weekdayOverflow != null) {\n            getParsingFlags(config)._overflowWeekday = true;\n        } else {\n            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n            config._a[YEAR] = temp.year;\n            config._dayOfYear = temp.dayOfYear;\n        }\n    }\n\n    // constant that refers to the ISO standard\n    hooks.ISO_8601 = function () {};\n\n    // constant that refers to the RFC 2822 form\n    hooks.RFC_2822 = function () {};\n\n    // date from string and format string\n    function configFromStringAndFormat(config) {\n        // TODO: Move this to another part of the creation flow to prevent circular deps\n        if (config._f === hooks.ISO_8601) {\n            configFromISO(config);\n            return;\n        }\n        if (config._f === hooks.RFC_2822) {\n            configFromRFC2822(config);\n            return;\n        }\n        config._a = [];\n        getParsingFlags(config).empty = true;\n\n        // This array is used to make a Date, either with `new Date` or `Date.UTC`\n        var string = '' + config._i,\n            i,\n            parsedInput,\n            tokens,\n            token,\n            skipped,\n            stringLength = string.length,\n            totalParsedInputLength = 0,\n            era;\n\n        tokens =\n            expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n        for (i = 0; i < tokens.length; i++) {\n            token = tokens[i];\n            parsedInput = (string.match(getParseRegexForToken(token, config)) ||\n                [])[0];\n            if (parsedInput) {\n                skipped = string.substr(0, string.indexOf(parsedInput));\n                if (skipped.length > 0) {\n                    getParsingFlags(config).unusedInput.push(skipped);\n                }\n                string = string.slice(\n                    string.indexOf(parsedInput) + parsedInput.length\n                );\n                totalParsedInputLength += parsedInput.length;\n            }\n            // don't parse if it's not a known token\n            if (formatTokenFunctions[token]) {\n                if (parsedInput) {\n                    getParsingFlags(config).empty = false;\n                } else {\n                    getParsingFlags(config).unusedTokens.push(token);\n                }\n                addTimeToArrayFromToken(token, parsedInput, config);\n            } else if (config._strict && !parsedInput) {\n                getParsingFlags(config).unusedTokens.push(token);\n            }\n        }\n\n        // add remaining unparsed input length to the string\n        getParsingFlags(config).charsLeftOver =\n            stringLength - totalParsedInputLength;\n        if (string.length > 0) {\n            getParsingFlags(config).unusedInput.push(string);\n        }\n\n        // clear _12h flag if hour is <= 12\n        if (\n            config._a[HOUR] <= 12 &&\n            getParsingFlags(config).bigHour === true &&\n            config._a[HOUR] > 0\n        ) {\n            getParsingFlags(config).bigHour = undefined;\n        }\n\n        getParsingFlags(config).parsedDateParts = config._a.slice(0);\n        getParsingFlags(config).meridiem = config._meridiem;\n        // handle meridiem\n        config._a[HOUR] = meridiemFixWrap(\n            config._locale,\n            config._a[HOUR],\n            config._meridiem\n        );\n\n        // handle era\n        era = getParsingFlags(config).era;\n        if (era !== null) {\n            config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);\n        }\n\n        configFromArray(config);\n        checkOverflow(config);\n    }\n\n    function meridiemFixWrap(locale, hour, meridiem) {\n        var isPm;\n\n        if (meridiem == null) {\n            // nothing to do\n            return hour;\n        }\n        if (locale.meridiemHour != null) {\n            return locale.meridiemHour(hour, meridiem);\n        } else if (locale.isPM != null) {\n            // Fallback\n            isPm = locale.isPM(meridiem);\n            if (isPm && hour < 12) {\n                hour += 12;\n            }\n            if (!isPm && hour === 12) {\n                hour = 0;\n            }\n            return hour;\n        } else {\n            // this is not supposed to happen\n            return hour;\n        }\n    }\n\n    // date from string and array of format strings\n    function configFromStringAndArray(config) {\n        var tempConfig,\n            bestMoment,\n            scoreToBeat,\n            i,\n            currentScore,\n            validFormatFound,\n            bestFormatIsValid = false;\n\n        if (config._f.length === 0) {\n            getParsingFlags(config).invalidFormat = true;\n            config._d = new Date(NaN);\n            return;\n        }\n\n        for (i = 0; i < config._f.length; i++) {\n            currentScore = 0;\n            validFormatFound = false;\n            tempConfig = copyConfig({}, config);\n            if (config._useUTC != null) {\n                tempConfig._useUTC = config._useUTC;\n            }\n            tempConfig._f = config._f[i];\n            configFromStringAndFormat(tempConfig);\n\n            if (isValid(tempConfig)) {\n                validFormatFound = true;\n            }\n\n            // if there is any input that was not parsed add a penalty for that format\n            currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n            //or tokens\n            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n            getParsingFlags(tempConfig).score = currentScore;\n\n            if (!bestFormatIsValid) {\n                if (\n                    scoreToBeat == null ||\n                    currentScore < scoreToBeat ||\n                    validFormatFound\n                ) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                    if (validFormatFound) {\n                        bestFormatIsValid = true;\n                    }\n                }\n            } else {\n                if (currentScore < scoreToBeat) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                }\n            }\n        }\n\n        extend(config, bestMoment || tempConfig);\n    }\n\n    function configFromObject(config) {\n        if (config._d) {\n            return;\n        }\n\n        var i = normalizeObjectUnits(config._i),\n            dayOrDate = i.day === undefined ? i.date : i.day;\n        config._a = map(\n            [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],\n            function (obj) {\n                return obj && parseInt(obj, 10);\n            }\n        );\n\n        configFromArray(config);\n    }\n\n    function createFromConfig(config) {\n        var res = new Moment(checkOverflow(prepareConfig(config)));\n        if (res._nextDay) {\n            // Adding is smart enough around DST\n            res.add(1, 'd');\n            res._nextDay = undefined;\n        }\n\n        return res;\n    }\n\n    function prepareConfig(config) {\n        var input = config._i,\n            format = config._f;\n\n        config._locale = config._locale || getLocale(config._l);\n\n        if (input === null || (format === undefined && input === '')) {\n            return createInvalid({ nullInput: true });\n        }\n\n        if (typeof input === 'string') {\n            config._i = input = config._locale.preparse(input);\n        }\n\n        if (isMoment(input)) {\n            return new Moment(checkOverflow(input));\n        } else if (isDate(input)) {\n            config._d = input;\n        } else if (isArray(format)) {\n            configFromStringAndArray(config);\n        } else if (format) {\n            configFromStringAndFormat(config);\n        } else {\n            configFromInput(config);\n        }\n\n        if (!isValid(config)) {\n            config._d = null;\n        }\n\n        return config;\n    }\n\n    function configFromInput(config) {\n        var input = config._i;\n        if (isUndefined(input)) {\n            config._d = new Date(hooks.now());\n        } else if (isDate(input)) {\n            config._d = new Date(input.valueOf());\n        } else if (typeof input === 'string') {\n            configFromString(config);\n        } else if (isArray(input)) {\n            config._a = map(input.slice(0), function (obj) {\n                return parseInt(obj, 10);\n            });\n            configFromArray(config);\n        } else if (isObject(input)) {\n            configFromObject(config);\n        } else if (isNumber(input)) {\n            // from milliseconds\n            config._d = new Date(input);\n        } else {\n            hooks.createFromInputFallback(config);\n        }\n    }\n\n    function createLocalOrUTC(input, format, locale, strict, isUTC) {\n        var c = {};\n\n        if (format === true || format === false) {\n            strict = format;\n            format = undefined;\n        }\n\n        if (locale === true || locale === false) {\n            strict = locale;\n            locale = undefined;\n        }\n\n        if (\n            (isObject(input) && isObjectEmpty(input)) ||\n            (isArray(input) && input.length === 0)\n        ) {\n            input = undefined;\n        }\n        // object construction must be done this way.\n        // https://github.com/moment/moment/issues/1423\n        c._isAMomentObject = true;\n        c._useUTC = c._isUTC = isUTC;\n        c._l = locale;\n        c._i = input;\n        c._f = format;\n        c._strict = strict;\n\n        return createFromConfig(c);\n    }\n\n    function createLocal(input, format, locale, strict) {\n        return createLocalOrUTC(input, format, locale, strict, false);\n    }\n\n    var prototypeMin = deprecate(\n            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other < this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        ),\n        prototypeMax = deprecate(\n            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other > this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n    // Pick a moment m from moments so that m[fn](other) is true for all\n    // other. This relies on the function fn to be transitive.\n    //\n    // moments should either be an array of moment objects or an array, whose\n    // first element is an array of moment objects.\n    function pickBy(fn, moments) {\n        var res, i;\n        if (moments.length === 1 && isArray(moments[0])) {\n            moments = moments[0];\n        }\n        if (!moments.length) {\n            return createLocal();\n        }\n        res = moments[0];\n        for (i = 1; i < moments.length; ++i) {\n            if (!moments[i].isValid() || moments[i][fn](res)) {\n                res = moments[i];\n            }\n        }\n        return res;\n    }\n\n    // TODO: Use [].sort instead?\n    function min() {\n        var args = [].slice.call(arguments, 0);\n\n        return pickBy('isBefore', args);\n    }\n\n    function max() {\n        var args = [].slice.call(arguments, 0);\n\n        return pickBy('isAfter', args);\n    }\n\n    var now = function () {\n        return Date.now ? Date.now() : +new Date();\n    };\n\n    var ordering = [\n        'year',\n        'quarter',\n        'month',\n        'week',\n        'day',\n        'hour',\n        'minute',\n        'second',\n        'millisecond',\n    ];\n\n    function isDurationValid(m) {\n        var key,\n            unitHasDecimal = false,\n            i;\n        for (key in m) {\n            if (\n                hasOwnProp(m, key) &&\n                !(\n                    indexOf.call(ordering, key) !== -1 &&\n                    (m[key] == null || !isNaN(m[key]))\n                )\n            ) {\n                return false;\n            }\n        }\n\n        for (i = 0; i < ordering.length; ++i) {\n            if (m[ordering[i]]) {\n                if (unitHasDecimal) {\n                    return false; // only allow non-integers for smallest unit\n                }\n                if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n                    unitHasDecimal = true;\n                }\n            }\n        }\n\n        return true;\n    }\n\n    function isValid$1() {\n        return this._isValid;\n    }\n\n    function createInvalid$1() {\n        return createDuration(NaN);\n    }\n\n    function Duration(duration) {\n        var normalizedInput = normalizeObjectUnits(duration),\n            years = normalizedInput.year || 0,\n            quarters = normalizedInput.quarter || 0,\n            months = normalizedInput.month || 0,\n            weeks = normalizedInput.week || normalizedInput.isoWeek || 0,\n            days = normalizedInput.day || 0,\n            hours = normalizedInput.hour || 0,\n            minutes = normalizedInput.minute || 0,\n            seconds = normalizedInput.second || 0,\n            milliseconds = normalizedInput.millisecond || 0;\n\n        this._isValid = isDurationValid(normalizedInput);\n\n        // representation for dateAddRemove\n        this._milliseconds =\n            +milliseconds +\n            seconds * 1e3 + // 1000\n            minutes * 6e4 + // 1000 * 60\n            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n        // Because of dateAddRemove treats 24 hours as different from a\n        // day when working around DST, we need to store them separately\n        this._days = +days + weeks * 7;\n        // It is impossible to translate months into days without knowing\n        // which months you are are talking about, so we have to store\n        // it separately.\n        this._months = +months + quarters * 3 + years * 12;\n\n        this._data = {};\n\n        this._locale = getLocale();\n\n        this._bubble();\n    }\n\n    function isDuration(obj) {\n        return obj instanceof Duration;\n    }\n\n    function absRound(number) {\n        if (number < 0) {\n            return Math.round(-1 * number) * -1;\n        } else {\n            return Math.round(number);\n        }\n    }\n\n    // compare two arrays, return the number of differences\n    function compareArrays(array1, array2, dontConvert) {\n        var len = Math.min(array1.length, array2.length),\n            lengthDiff = Math.abs(array1.length - array2.length),\n            diffs = 0,\n            i;\n        for (i = 0; i < len; i++) {\n            if (\n                (dontConvert && array1[i] !== array2[i]) ||\n                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))\n            ) {\n                diffs++;\n            }\n        }\n        return diffs + lengthDiff;\n    }\n\n    // FORMATTING\n\n    function offset(token, separator) {\n        addFormatToken(token, 0, 0, function () {\n            var offset = this.utcOffset(),\n                sign = '+';\n            if (offset < 0) {\n                offset = -offset;\n                sign = '-';\n            }\n            return (\n                sign +\n                zeroFill(~~(offset / 60), 2) +\n                separator +\n                zeroFill(~~offset % 60, 2)\n            );\n        });\n    }\n\n    offset('Z', ':');\n    offset('ZZ', '');\n\n    // PARSING\n\n    addRegexToken('Z', matchShortOffset);\n    addRegexToken('ZZ', matchShortOffset);\n    addParseToken(['Z', 'ZZ'], function (input, array, config) {\n        config._useUTC = true;\n        config._tzm = offsetFromString(matchShortOffset, input);\n    });\n\n    // HELPERS\n\n    // timezone chunker\n    // '+10:00' > ['10',  '00']\n    // '-1530'  > ['-15', '30']\n    var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n    function offsetFromString(matcher, string) {\n        var matches = (string || '').match(matcher),\n            chunk,\n            parts,\n            minutes;\n\n        if (matches === null) {\n            return null;\n        }\n\n        chunk = matches[matches.length - 1] || [];\n        parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n        minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n        return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;\n    }\n\n    // Return a moment from input, that is local/utc/zone equivalent to model.\n    function cloneWithOffset(input, model) {\n        var res, diff;\n        if (model._isUTC) {\n            res = model.clone();\n            diff =\n                (isMoment(input) || isDate(input)\n                    ? input.valueOf()\n                    : createLocal(input).valueOf()) - res.valueOf();\n            // Use low-level api, because this fn is low-level api.\n            res._d.setTime(res._d.valueOf() + diff);\n            hooks.updateOffset(res, false);\n            return res;\n        } else {\n            return createLocal(input).local();\n        }\n    }\n\n    function getDateOffset(m) {\n        // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n        // https://github.com/moment/moment/pull/1871\n        return -Math.round(m._d.getTimezoneOffset());\n    }\n\n    // HOOKS\n\n    // This function will be called whenever a moment is mutated.\n    // It is intended to keep the offset in sync with the timezone.\n    hooks.updateOffset = function () {};\n\n    // MOMENTS\n\n    // keepLocalTime = true means only change the timezone, without\n    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n    // +0200, so we adjust the time as needed, to be valid.\n    //\n    // Keeping the time actually adds/subtracts (one hour)\n    // from the actual represented time. That is why we call updateOffset\n    // a second time. In case it wants us to change the offset again\n    // _changeInProgress == true case, then we have to adjust, because\n    // there is no such time in the given timezone.\n    function getSetOffset(input, keepLocalTime, keepMinutes) {\n        var offset = this._offset || 0,\n            localAdjust;\n        if (!this.isValid()) {\n            return input != null ? this : NaN;\n        }\n        if (input != null) {\n            if (typeof input === 'string') {\n                input = offsetFromString(matchShortOffset, input);\n                if (input === null) {\n                    return this;\n                }\n            } else if (Math.abs(input) < 16 && !keepMinutes) {\n                input = input * 60;\n            }\n            if (!this._isUTC && keepLocalTime) {\n                localAdjust = getDateOffset(this);\n            }\n            this._offset = input;\n            this._isUTC = true;\n            if (localAdjust != null) {\n                this.add(localAdjust, 'm');\n            }\n            if (offset !== input) {\n                if (!keepLocalTime || this._changeInProgress) {\n                    addSubtract(\n                        this,\n                        createDuration(input - offset, 'm'),\n                        1,\n                        false\n                    );\n                } else if (!this._changeInProgress) {\n                    this._changeInProgress = true;\n                    hooks.updateOffset(this, true);\n                    this._changeInProgress = null;\n                }\n            }\n            return this;\n        } else {\n            return this._isUTC ? offset : getDateOffset(this);\n        }\n    }\n\n    function getSetZone(input, keepLocalTime) {\n        if (input != null) {\n            if (typeof input !== 'string') {\n                input = -input;\n            }\n\n            this.utcOffset(input, keepLocalTime);\n\n            return this;\n        } else {\n            return -this.utcOffset();\n        }\n    }\n\n    function setOffsetToUTC(keepLocalTime) {\n        return this.utcOffset(0, keepLocalTime);\n    }\n\n    function setOffsetToLocal(keepLocalTime) {\n        if (this._isUTC) {\n            this.utcOffset(0, keepLocalTime);\n            this._isUTC = false;\n\n            if (keepLocalTime) {\n                this.subtract(getDateOffset(this), 'm');\n            }\n        }\n        return this;\n    }\n\n    function setOffsetToParsedOffset() {\n        if (this._tzm != null) {\n            this.utcOffset(this._tzm, false, true);\n        } else if (typeof this._i === 'string') {\n            var tZone = offsetFromString(matchOffset, this._i);\n            if (tZone != null) {\n                this.utcOffset(tZone);\n            } else {\n                this.utcOffset(0, true);\n            }\n        }\n        return this;\n    }\n\n    function hasAlignedHourOffset(input) {\n        if (!this.isValid()) {\n            return false;\n        }\n        input = input ? createLocal(input).utcOffset() : 0;\n\n        return (this.utcOffset() - input) % 60 === 0;\n    }\n\n    function isDaylightSavingTime() {\n        return (\n            this.utcOffset() > this.clone().month(0).utcOffset() ||\n            this.utcOffset() > this.clone().month(5).utcOffset()\n        );\n    }\n\n    function isDaylightSavingTimeShifted() {\n        if (!isUndefined(this._isDSTShifted)) {\n            return this._isDSTShifted;\n        }\n\n        var c = {},\n            other;\n\n        copyConfig(c, this);\n        c = prepareConfig(c);\n\n        if (c._a) {\n            other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n            this._isDSTShifted =\n                this.isValid() && compareArrays(c._a, other.toArray()) > 0;\n        } else {\n            this._isDSTShifted = false;\n        }\n\n        return this._isDSTShifted;\n    }\n\n    function isLocal() {\n        return this.isValid() ? !this._isUTC : false;\n    }\n\n    function isUtcOffset() {\n        return this.isValid() ? this._isUTC : false;\n    }\n\n    function isUtc() {\n        return this.isValid() ? this._isUTC && this._offset === 0 : false;\n    }\n\n    // ASP.NET json date format regex\n    var aspNetRegex = /^(-|\\+)?(?:(\\d*)[. ])?(\\d+):(\\d+)(?::(\\d+)(\\.\\d*)?)?$/,\n        // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n        // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n        // and further modified to allow for strings containing both week and day\n        isoRegex = /^(-|\\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;\n\n    function createDuration(input, key) {\n        var duration = input,\n            // matching against regexp is expensive, do it on demand\n            match = null,\n            sign,\n            ret,\n            diffRes;\n\n        if (isDuration(input)) {\n            duration = {\n                ms: input._milliseconds,\n                d: input._days,\n                M: input._months,\n            };\n        } else if (isNumber(input) || !isNaN(+input)) {\n            duration = {};\n            if (key) {\n                duration[key] = +input;\n            } else {\n                duration.milliseconds = +input;\n            }\n        } else if ((match = aspNetRegex.exec(input))) {\n            sign = match[1] === '-' ? -1 : 1;\n            duration = {\n                y: 0,\n                d: toInt(match[DATE]) * sign,\n                h: toInt(match[HOUR]) * sign,\n                m: toInt(match[MINUTE]) * sign,\n                s: toInt(match[SECOND]) * sign,\n                ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match\n            };\n        } else if ((match = isoRegex.exec(input))) {\n            sign = match[1] === '-' ? -1 : 1;\n            duration = {\n                y: parseIso(match[2], sign),\n                M: parseIso(match[3], sign),\n                w: parseIso(match[4], sign),\n                d: parseIso(match[5], sign),\n                h: parseIso(match[6], sign),\n                m: parseIso(match[7], sign),\n                s: parseIso(match[8], sign),\n            };\n        } else if (duration == null) {\n            // checks for null or undefined\n            duration = {};\n        } else if (\n            typeof duration === 'object' &&\n            ('from' in duration || 'to' in duration)\n        ) {\n            diffRes = momentsDifference(\n                createLocal(duration.from),\n                createLocal(duration.to)\n            );\n\n            duration = {};\n            duration.ms = diffRes.milliseconds;\n            duration.M = diffRes.months;\n        }\n\n        ret = new Duration(duration);\n\n        if (isDuration(input) && hasOwnProp(input, '_locale')) {\n            ret._locale = input._locale;\n        }\n\n        if (isDuration(input) && hasOwnProp(input, '_isValid')) {\n            ret._isValid = input._isValid;\n        }\n\n        return ret;\n    }\n\n    createDuration.fn = Duration.prototype;\n    createDuration.invalid = createInvalid$1;\n\n    function parseIso(inp, sign) {\n        // We'd normally use ~~inp for this, but unfortunately it also\n        // converts floats to ints.\n        // inp may be undefined, so careful calling replace on it.\n        var res = inp && parseFloat(inp.replace(',', '.'));\n        // apply sign while we're at it\n        return (isNaN(res) ? 0 : res) * sign;\n    }\n\n    function positiveMomentsDifference(base, other) {\n        var res = {};\n\n        res.months =\n            other.month() - base.month() + (other.year() - base.year()) * 12;\n        if (base.clone().add(res.months, 'M').isAfter(other)) {\n            --res.months;\n        }\n\n        res.milliseconds = +other - +base.clone().add(res.months, 'M');\n\n        return res;\n    }\n\n    function momentsDifference(base, other) {\n        var res;\n        if (!(base.isValid() && other.isValid())) {\n            return { milliseconds: 0, months: 0 };\n        }\n\n        other = cloneWithOffset(other, base);\n        if (base.isBefore(other)) {\n            res = positiveMomentsDifference(base, other);\n        } else {\n            res = positiveMomentsDifference(other, base);\n            res.milliseconds = -res.milliseconds;\n            res.months = -res.months;\n        }\n\n        return res;\n    }\n\n    // TODO: remove 'name' arg after deprecation is removed\n    function createAdder(direction, name) {\n        return function (val, period) {\n            var dur, tmp;\n            //invert the arguments, but complain about it\n            if (period !== null && !isNaN(+period)) {\n                deprecateSimple(\n                    name,\n                    'moment().' +\n                        name +\n                        '(period, number) is deprecated. Please use moment().' +\n                        name +\n                        '(number, period). ' +\n                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'\n                );\n                tmp = val;\n                val = period;\n                period = tmp;\n            }\n\n            dur = createDuration(val, period);\n            addSubtract(this, dur, direction);\n            return this;\n        };\n    }\n\n    function addSubtract(mom, duration, isAdding, updateOffset) {\n        var milliseconds = duration._milliseconds,\n            days = absRound(duration._days),\n            months = absRound(duration._months);\n\n        if (!mom.isValid()) {\n            // No op\n            return;\n        }\n\n        updateOffset = updateOffset == null ? true : updateOffset;\n\n        if (months) {\n            setMonth(mom, get(mom, 'Month') + months * isAdding);\n        }\n        if (days) {\n            set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n        }\n        if (milliseconds) {\n            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n        }\n        if (updateOffset) {\n            hooks.updateOffset(mom, days || months);\n        }\n    }\n\n    var add = createAdder(1, 'add'),\n        subtract = createAdder(-1, 'subtract');\n\n    function isString(input) {\n        return typeof input === 'string' || input instanceof String;\n    }\n\n    // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined\n    function isMomentInput(input) {\n        return (\n            isMoment(input) ||\n            isDate(input) ||\n            isString(input) ||\n            isNumber(input) ||\n            isNumberOrStringArray(input) ||\n            isMomentInputObject(input) ||\n            input === null ||\n            input === undefined\n        );\n    }\n\n    function isMomentInputObject(input) {\n        var objectTest = isObject(input) && !isObjectEmpty(input),\n            propertyTest = false,\n            properties = [\n                'years',\n                'year',\n                'y',\n                'months',\n                'month',\n                'M',\n                'days',\n                'day',\n                'd',\n                'dates',\n                'date',\n                'D',\n                'hours',\n                'hour',\n                'h',\n                'minutes',\n                'minute',\n                'm',\n                'seconds',\n                'second',\n                's',\n                'milliseconds',\n                'millisecond',\n                'ms',\n            ],\n            i,\n            property;\n\n        for (i = 0; i < properties.length; i += 1) {\n            property = properties[i];\n            propertyTest = propertyTest || hasOwnProp(input, property);\n        }\n\n        return objectTest && propertyTest;\n    }\n\n    function isNumberOrStringArray(input) {\n        var arrayTest = isArray(input),\n            dataTypeTest = false;\n        if (arrayTest) {\n            dataTypeTest =\n                input.filter(function (item) {\n                    return !isNumber(item) && isString(input);\n                }).length === 0;\n        }\n        return arrayTest && dataTypeTest;\n    }\n\n    function isCalendarSpec(input) {\n        var objectTest = isObject(input) && !isObjectEmpty(input),\n            propertyTest = false,\n            properties = [\n                'sameDay',\n                'nextDay',\n                'lastDay',\n                'nextWeek',\n                'lastWeek',\n                'sameElse',\n            ],\n            i,\n            property;\n\n        for (i = 0; i < properties.length; i += 1) {\n            property = properties[i];\n            propertyTest = propertyTest || hasOwnProp(input, property);\n        }\n\n        return objectTest && propertyTest;\n    }\n\n    function getCalendarFormat(myMoment, now) {\n        var diff = myMoment.diff(now, 'days', true);\n        return diff < -6\n            ? 'sameElse'\n            : diff < -1\n            ? 'lastWeek'\n            : diff < 0\n            ? 'lastDay'\n            : diff < 1\n            ? 'sameDay'\n            : diff < 2\n            ? 'nextDay'\n            : diff < 7\n            ? 'nextWeek'\n            : 'sameElse';\n    }\n\n    function calendar$1(time, formats) {\n        // Support for single parameter, formats only overload to the calendar function\n        if (arguments.length === 1) {\n            if (!arguments[0]) {\n                time = undefined;\n                formats = undefined;\n            } else if (isMomentInput(arguments[0])) {\n                time = arguments[0];\n                formats = undefined;\n            } else if (isCalendarSpec(arguments[0])) {\n                formats = arguments[0];\n                time = undefined;\n            }\n        }\n        // We want to compare the start of today, vs this.\n        // Getting start-of-today depends on whether we're local/utc/offset or not.\n        var now = time || createLocal(),\n            sod = cloneWithOffset(now, this).startOf('day'),\n            format = hooks.calendarFormat(this, sod) || 'sameElse',\n            output =\n                formats &&\n                (isFunction(formats[format])\n                    ? formats[format].call(this, now)\n                    : formats[format]);\n\n        return this.format(\n            output || this.localeData().calendar(format, this, createLocal(now))\n        );\n    }\n\n    function clone() {\n        return new Moment(this);\n    }\n\n    function isAfter(input, units) {\n        var localInput = isMoment(input) ? input : createLocal(input);\n        if (!(this.isValid() && localInput.isValid())) {\n            return false;\n        }\n        units = normalizeUnits(units) || 'millisecond';\n        if (units === 'millisecond') {\n            return this.valueOf() > localInput.valueOf();\n        } else {\n            return localInput.valueOf() < this.clone().startOf(units).valueOf();\n        }\n    }\n\n    function isBefore(input, units) {\n        var localInput = isMoment(input) ? input : createLocal(input);\n        if (!(this.isValid() && localInput.isValid())) {\n            return false;\n        }\n        units = normalizeUnits(units) || 'millisecond';\n        if (units === 'millisecond') {\n            return this.valueOf() < localInput.valueOf();\n        } else {\n            return this.clone().endOf(units).valueOf() < localInput.valueOf();\n        }\n    }\n\n    function isBetween(from, to, units, inclusivity) {\n        var localFrom = isMoment(from) ? from : createLocal(from),\n            localTo = isMoment(to) ? to : createLocal(to);\n        if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {\n            return false;\n        }\n        inclusivity = inclusivity || '()';\n        return (\n            (inclusivity[0] === '('\n                ? this.isAfter(localFrom, units)\n                : !this.isBefore(localFrom, units)) &&\n            (inclusivity[1] === ')'\n                ? this.isBefore(localTo, units)\n                : !this.isAfter(localTo, units))\n        );\n    }\n\n    function isSame(input, units) {\n        var localInput = isMoment(input) ? input : createLocal(input),\n            inputMs;\n        if (!(this.isValid() && localInput.isValid())) {\n            return false;\n        }\n        units = normalizeUnits(units) || 'millisecond';\n        if (units === 'millisecond') {\n            return this.valueOf() === localInput.valueOf();\n        } else {\n            inputMs = localInput.valueOf();\n            return (\n                this.clone().startOf(units).valueOf() <= inputMs &&\n                inputMs <= this.clone().endOf(units).valueOf()\n            );\n        }\n    }\n\n    function isSameOrAfter(input, units) {\n        return this.isSame(input, units) || this.isAfter(input, units);\n    }\n\n    function isSameOrBefore(input, units) {\n        return this.isSame(input, units) || this.isBefore(input, units);\n    }\n\n    function diff(input, units, asFloat) {\n        var that, zoneDelta, output;\n\n        if (!this.isValid()) {\n            return NaN;\n        }\n\n        that = cloneWithOffset(input, this);\n\n        if (!that.isValid()) {\n            return NaN;\n        }\n\n        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n        units = normalizeUnits(units);\n\n        switch (units) {\n            case 'year':\n                output = monthDiff(this, that) / 12;\n                break;\n            case 'month':\n                output = monthDiff(this, that);\n                break;\n            case 'quarter':\n                output = monthDiff(this, that) / 3;\n                break;\n            case 'second':\n                output = (this - that) / 1e3;\n                break; // 1000\n            case 'minute':\n                output = (this - that) / 6e4;\n                break; // 1000 * 60\n            case 'hour':\n                output = (this - that) / 36e5;\n                break; // 1000 * 60 * 60\n            case 'day':\n                output = (this - that - zoneDelta) / 864e5;\n                break; // 1000 * 60 * 60 * 24, negate dst\n            case 'week':\n                output = (this - that - zoneDelta) / 6048e5;\n                break; // 1000 * 60 * 60 * 24 * 7, negate dst\n            default:\n                output = this - that;\n        }\n\n        return asFloat ? output : absFloor(output);\n    }\n\n    function monthDiff(a, b) {\n        if (a.date() < b.date()) {\n            // end-of-month calculations work correct when the start month has more\n            // days than the end month.\n            return -monthDiff(b, a);\n        }\n        // difference in months\n        var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),\n            // b is in (anchor - 1 month, anchor + 1 month)\n            anchor = a.clone().add(wholeMonthDiff, 'months'),\n            anchor2,\n            adjust;\n\n        if (b - anchor < 0) {\n            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n            // linear across the month\n            adjust = (b - anchor) / (anchor - anchor2);\n        } else {\n            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n            // linear across the month\n            adjust = (b - anchor) / (anchor2 - anchor);\n        }\n\n        //check for negative zero, return zero if negative zero\n        return -(wholeMonthDiff + adjust) || 0;\n    }\n\n    hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n    hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n    function toString() {\n        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n    }\n\n    function toISOString(keepOffset) {\n        if (!this.isValid()) {\n            return null;\n        }\n        var utc = keepOffset !== true,\n            m = utc ? this.clone().utc() : this;\n        if (m.year() < 0 || m.year() > 9999) {\n            return formatMoment(\n                m,\n                utc\n                    ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'\n                    : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'\n            );\n        }\n        if (isFunction(Date.prototype.toISOString)) {\n            // native implementation is ~50x faster, use it when we can\n            if (utc) {\n                return this.toDate().toISOString();\n            } else {\n                return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)\n                    .toISOString()\n                    .replace('Z', formatMoment(m, 'Z'));\n            }\n        }\n        return formatMoment(\n            m,\n            utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'\n        );\n    }\n\n    /**\n     * Return a human readable representation of a moment that can\n     * also be evaluated to get a new moment which is the same\n     *\n     * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n     */\n    function inspect() {\n        if (!this.isValid()) {\n            return 'moment.invalid(/* ' + this._i + ' */)';\n        }\n        var func = 'moment',\n            zone = '',\n            prefix,\n            year,\n            datetime,\n            suffix;\n        if (!this.isLocal()) {\n            func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n            zone = 'Z';\n        }\n        prefix = '[' + func + '(\"]';\n        year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';\n        datetime = '-MM-DD[T]HH:mm:ss.SSS';\n        suffix = zone + '[\")]';\n\n        return this.format(prefix + year + datetime + suffix);\n    }\n\n    function format(inputString) {\n        if (!inputString) {\n            inputString = this.isUtc()\n                ? hooks.defaultFormatUtc\n                : hooks.defaultFormat;\n        }\n        var output = formatMoment(this, inputString);\n        return this.localeData().postformat(output);\n    }\n\n    function from(time, withoutSuffix) {\n        if (\n            this.isValid() &&\n            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())\n        ) {\n            return createDuration({ to: this, from: time })\n                .locale(this.locale())\n                .humanize(!withoutSuffix);\n        } else {\n            return this.localeData().invalidDate();\n        }\n    }\n\n    function fromNow(withoutSuffix) {\n        return this.from(createLocal(), withoutSuffix);\n    }\n\n    function to(time, withoutSuffix) {\n        if (\n            this.isValid() &&\n            ((isMoment(time) && time.isValid()) || createLocal(time).isValid())\n        ) {\n            return createDuration({ from: this, to: time })\n                .locale(this.locale())\n                .humanize(!withoutSuffix);\n        } else {\n            return this.localeData().invalidDate();\n        }\n    }\n\n    function toNow(withoutSuffix) {\n        return this.to(createLocal(), withoutSuffix);\n    }\n\n    // If passed a locale key, it will set the locale for this\n    // instance.  Otherwise, it will return the locale configuration\n    // variables for this instance.\n    function locale(key) {\n        var newLocaleData;\n\n        if (key === undefined) {\n            return this._locale._abbr;\n        } else {\n            newLocaleData = getLocale(key);\n            if (newLocaleData != null) {\n                this._locale = newLocaleData;\n            }\n            return this;\n        }\n    }\n\n    var lang = deprecate(\n        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n        function (key) {\n            if (key === undefined) {\n                return this.localeData();\n            } else {\n                return this.locale(key);\n            }\n        }\n    );\n\n    function localeData() {\n        return this._locale;\n    }\n\n    var MS_PER_SECOND = 1000,\n        MS_PER_MINUTE = 60 * MS_PER_SECOND,\n        MS_PER_HOUR = 60 * MS_PER_MINUTE,\n        MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;\n\n    // actual modulo - handles negative numbers (for dates before 1970):\n    function mod$1(dividend, divisor) {\n        return ((dividend % divisor) + divisor) % divisor;\n    }\n\n    function localStartOfDate(y, m, d) {\n        // the date constructor remaps years 0-99 to 1900-1999\n        if (y < 100 && y >= 0) {\n            // preserve leap years using a full 400 year cycle, then reset\n            return new Date(y + 400, m, d) - MS_PER_400_YEARS;\n        } else {\n            return new Date(y, m, d).valueOf();\n        }\n    }\n\n    function utcStartOfDate(y, m, d) {\n        // Date.UTC remaps years 0-99 to 1900-1999\n        if (y < 100 && y >= 0) {\n            // preserve leap years using a full 400 year cycle, then reset\n            return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;\n        } else {\n            return Date.UTC(y, m, d);\n        }\n    }\n\n    function startOf(units) {\n        var time, startOfDate;\n        units = normalizeUnits(units);\n        if (units === undefined || units === 'millisecond' || !this.isValid()) {\n            return this;\n        }\n\n        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n        switch (units) {\n            case 'year':\n                time = startOfDate(this.year(), 0, 1);\n                break;\n            case 'quarter':\n                time = startOfDate(\n                    this.year(),\n                    this.month() - (this.month() % 3),\n                    1\n                );\n                break;\n            case 'month':\n                time = startOfDate(this.year(), this.month(), 1);\n                break;\n            case 'week':\n                time = startOfDate(\n                    this.year(),\n                    this.month(),\n                    this.date() - this.weekday()\n                );\n                break;\n            case 'isoWeek':\n                time = startOfDate(\n                    this.year(),\n                    this.month(),\n                    this.date() - (this.isoWeekday() - 1)\n                );\n                break;\n            case 'day':\n            case 'date':\n                time = startOfDate(this.year(), this.month(), this.date());\n                break;\n            case 'hour':\n                time = this._d.valueOf();\n                time -= mod$1(\n                    time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),\n                    MS_PER_HOUR\n                );\n                break;\n            case 'minute':\n                time = this._d.valueOf();\n                time -= mod$1(time, MS_PER_MINUTE);\n                break;\n            case 'second':\n                time = this._d.valueOf();\n                time -= mod$1(time, MS_PER_SECOND);\n                break;\n        }\n\n        this._d.setTime(time);\n        hooks.updateOffset(this, true);\n        return this;\n    }\n\n    function endOf(units) {\n        var time, startOfDate;\n        units = normalizeUnits(units);\n        if (units === undefined || units === 'millisecond' || !this.isValid()) {\n            return this;\n        }\n\n        startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n        switch (units) {\n            case 'year':\n                time = startOfDate(this.year() + 1, 0, 1) - 1;\n                break;\n            case 'quarter':\n                time =\n                    startOfDate(\n                        this.year(),\n                        this.month() - (this.month() % 3) + 3,\n                        1\n                    ) - 1;\n                break;\n            case 'month':\n                time = startOfDate(this.year(), this.month() + 1, 1) - 1;\n                break;\n            case 'week':\n                time =\n                    startOfDate(\n                        this.year(),\n                        this.month(),\n                        this.date() - this.weekday() + 7\n                    ) - 1;\n                break;\n            case 'isoWeek':\n                time =\n                    startOfDate(\n                        this.year(),\n                        this.month(),\n                        this.date() - (this.isoWeekday() - 1) + 7\n                    ) - 1;\n                break;\n            case 'day':\n            case 'date':\n                time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;\n                break;\n            case 'hour':\n                time = this._d.valueOf();\n                time +=\n                    MS_PER_HOUR -\n                    mod$1(\n                        time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),\n                        MS_PER_HOUR\n                    ) -\n                    1;\n                break;\n            case 'minute':\n                time = this._d.valueOf();\n                time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;\n                break;\n            case 'second':\n                time = this._d.valueOf();\n                time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;\n                break;\n        }\n\n        this._d.setTime(time);\n        hooks.updateOffset(this, true);\n        return this;\n    }\n\n    function valueOf() {\n        return this._d.valueOf() - (this._offset || 0) * 60000;\n    }\n\n    function unix() {\n        return Math.floor(this.valueOf() / 1000);\n    }\n\n    function toDate() {\n        return new Date(this.valueOf());\n    }\n\n    function toArray() {\n        var m = this;\n        return [\n            m.year(),\n            m.month(),\n            m.date(),\n            m.hour(),\n            m.minute(),\n            m.second(),\n            m.millisecond(),\n        ];\n    }\n\n    function toObject() {\n        var m = this;\n        return {\n            years: m.year(),\n            months: m.month(),\n            date: m.date(),\n            hours: m.hours(),\n            minutes: m.minutes(),\n            seconds: m.seconds(),\n            milliseconds: m.milliseconds(),\n        };\n    }\n\n    function toJSON() {\n        // new Date(NaN).toJSON() === null\n        return this.isValid() ? this.toISOString() : null;\n    }\n\n    function isValid$2() {\n        return isValid(this);\n    }\n\n    function parsingFlags() {\n        return extend({}, getParsingFlags(this));\n    }\n\n    function invalidAt() {\n        return getParsingFlags(this).overflow;\n    }\n\n    function creationData() {\n        return {\n            input: this._i,\n            format: this._f,\n            locale: this._locale,\n            isUTC: this._isUTC,\n            strict: this._strict,\n        };\n    }\n\n    addFormatToken('N', 0, 0, 'eraAbbr');\n    addFormatToken('NN', 0, 0, 'eraAbbr');\n    addFormatToken('NNN', 0, 0, 'eraAbbr');\n    addFormatToken('NNNN', 0, 0, 'eraName');\n    addFormatToken('NNNNN', 0, 0, 'eraNarrow');\n\n    addFormatToken('y', ['y', 1], 'yo', 'eraYear');\n    addFormatToken('y', ['yy', 2], 0, 'eraYear');\n    addFormatToken('y', ['yyy', 3], 0, 'eraYear');\n    addFormatToken('y', ['yyyy', 4], 0, 'eraYear');\n\n    addRegexToken('N', matchEraAbbr);\n    addRegexToken('NN', matchEraAbbr);\n    addRegexToken('NNN', matchEraAbbr);\n    addRegexToken('NNNN', matchEraName);\n    addRegexToken('NNNNN', matchEraNarrow);\n\n    addParseToken(['N', 'NN', 'NNN', 'NNNN', 'NNNNN'], function (\n        input,\n        array,\n        config,\n        token\n    ) {\n        var era = config._locale.erasParse(input, token, config._strict);\n        if (era) {\n            getParsingFlags(config).era = era;\n        } else {\n            getParsingFlags(config).invalidEra = input;\n        }\n    });\n\n    addRegexToken('y', matchUnsigned);\n    addRegexToken('yy', matchUnsigned);\n    addRegexToken('yyy', matchUnsigned);\n    addRegexToken('yyyy', matchUnsigned);\n    addRegexToken('yo', matchEraYearOrdinal);\n\n    addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);\n    addParseToken(['yo'], function (input, array, config, token) {\n        var match;\n        if (config._locale._eraYearOrdinalRegex) {\n            match = input.match(config._locale._eraYearOrdinalRegex);\n        }\n\n        if (config._locale.eraYearOrdinalParse) {\n            array[YEAR] = config._locale.eraYearOrdinalParse(input, match);\n        } else {\n            array[YEAR] = parseInt(input, 10);\n        }\n    });\n\n    function localeEras(m, format) {\n        var i,\n            l,\n            date,\n            eras = this._eras || getLocale('en')._eras;\n        for (i = 0, l = eras.length; i < l; ++i) {\n            switch (typeof eras[i].since) {\n                case 'string':\n                    // truncate time\n                    date = hooks(eras[i].since).startOf('day');\n                    eras[i].since = date.valueOf();\n                    break;\n            }\n\n            switch (typeof eras[i].until) {\n                case 'undefined':\n                    eras[i].until = +Infinity;\n                    break;\n                case 'string':\n                    // truncate time\n                    date = hooks(eras[i].until).startOf('day').valueOf();\n                    eras[i].until = date.valueOf();\n                    break;\n            }\n        }\n        return eras;\n    }\n\n    function localeErasParse(eraName, format, strict) {\n        var i,\n            l,\n            eras = this.eras(),\n            name,\n            abbr,\n            narrow;\n        eraName = eraName.toUpperCase();\n\n        for (i = 0, l = eras.length; i < l; ++i) {\n            name = eras[i].name.toUpperCase();\n            abbr = eras[i].abbr.toUpperCase();\n            narrow = eras[i].narrow.toUpperCase();\n\n            if (strict) {\n                switch (format) {\n                    case 'N':\n                    case 'NN':\n                    case 'NNN':\n                        if (abbr === eraName) {\n                            return eras[i];\n                        }\n                        break;\n\n                    case 'NNNN':\n                        if (name === eraName) {\n                            return eras[i];\n                        }\n                        break;\n\n                    case 'NNNNN':\n