Custom Data Tip With D3 V4

constant.js

const trendResult= [
  {
    date: "2020-03-17 23:59:59",
    value: 10,
    dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-18 23:59:59",
    value: 15,
    // dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-19 23:59:59",
    value: 8,
    // dataTip:"22% increase from 18th March"
  },
  {
    date: "2020-03-20 23:59:59",
    value: 22,
    // dataTip:"20% increase from 19th March"
  },
  {
    date: "2020-03-21 23:59:59",
    value: 18,
    dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-22 23:59:59",
    value: 9,
    // dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-23 23:59:59",
    value: 20,
    dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-24 23:59:59",
    value: 26,
    // dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-25 23:59:59",
    value: 28,
    dataTip:"5% decrease from 24th March"
  },
  {
    date: "2020-03-26 23:59:59",
    value: 5,
    // dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-27 23:59:59",
    value: 32,
    dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-28 23:59:59",
    value: 25,
    // dataTip:"55% decrease from 27th March"
  },
  {
    date: "2020-03-29 23:59:59",
    value: 17,
    // dataTip:"55% decrease from 28th March"
  },
  {
    date: "2020-03-30 23:59:59",
    value: 13,
    dataTip:"55% decrease from 29th March"
  },
  {
    date: "2020-03-31 23:59:59",
    value: 29,
    dataTip:"20% decrease from 30th March"
  }
];

const calculateMinMaxValue = (minValue, maxValue, zeroBase, ticks) => {
  if (minValue == maxValue && minValue == 0) {
    maxValue = 10;
  }
  if (minValue == maxValue && minValue > 0) {
    minValue = minValue - minValue * 0.25;
    maxValue = maxValue + maxValue * 0.25;
  }
  if (minValue > 0 && zeroBase === true) {
    minValue = 0;
  }
  var num = (maxValue - minValue) / ((ticks || 10) - 1);
  var binSize = getSmootherBinSize(num);
  if (zeroBase == false && minValue < 0) {
    minValue = -1 * getNextDivisible(minValue * -1, binSize);
  } else if (zeroBase == false && minValue > 0) {
    minValue = getPrevDivisible(minValue, binSize);
  }
  maxValue = getNextDivisible(maxValue, binSize);
  if (ticks != null) {
    const missingTicks = ticks - ((maxValue - minValue) / binSize + 1);
    if (missingTicks > 0) {
      minValue -= Math.floor(missingTicks / 2) * binSize;
      maxValue += (Math.floor(missingTicks / 2) + missingTicks % 2) * binSize;
    }
  }
  return {
    minValue: minValue,
    maxValue: maxValue
  };
};

function getTicksCalculation(minDate, maxDate, typeOfTicks, startPoint, ticksFormat) {
  const distinctTicks = [];
  let startPointDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startPoint));
  let startPointIndex = 0;
  if (minDate != null && maxDate != null && typeOfTicks != null) {
    let startDate = new Date(minDate);
    let endDate = new Date(maxDate);

    switch (typeOfTicks) {
      case "month": {
        startDate = new Date(startDate.getFullYear(), startDate.getMonth(), 1, 23, 59, 59);
        endDate = new Date(endDate.getFullYear(), endDate.getMonth() + 1, 0);
        let startTime = startDate.getTime();
        while (startTime <= endDate.getTime()) {
          const month = d3.timeFormat("%b")(new Date(startTime));
          if (new Date(startTime).getMonth() == 0) {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime))
                  })
                : [`${month}`, `${new Date(startTime).getFullYear()}`];
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          } else {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime))
                  })
                : `${month}`;
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          }
          startTime = new Date(startTime);
          startTime = new Date(startTime.setMonth(startTime.getMonth() + 1)).getTime();
        }
        startPointDate = d3.timeFormat("%Y-%m-01 00:00:00")(new Date(startPoint));
        break;
      }
      case "day": {
        let startTime = startDate.getTime();
        let count=0;
        while (startTime <= endDate.getTime()) {
          const date = d3.timeFormat("%d")(new Date(startTime));
          const month = d3.timeFormat("%b")(new Date(startTime));
          const monthYear = d3.timeFormat("%b-%Y")(new Date(startTime));
          if (new Date(startTime).getDate() == 1 && new Date(startTime).getMonth() == 0) {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime))
                  })
                : [`${date}`, `${monthYear}`];
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          } else if (new Date(startTime).getDate() == 1 || count==0) {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime))
                  })
                : [`${date}`, `${month}`];
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          } else {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(startTime))
                  })
                : `${date}`;
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          }
          startTime = new Date(startTime);
          startTime = new Date(startTime.setDate(startTime.getDate() + 1)).getTime();
          count++;
        }
        startPointDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startPoint));
        break;
      }
      case "week-sunday": {
        let startTime = startDate.getTime();
        while (startTime <= endDate.getTime()) {
          const date = d3.timeFormat("%d")(new Date(startTime));
          const month = d3.timeFormat("%b")(new Date(startTime));
          startTime = new Date(startTime);
          const weekNumber = Math.abs(d3.timeFormat("%U")(new Date(startTime))) % 4;
          const dataValueForStartDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime));
          const nextDayCount = 7;
          const currentDayNumber = Math.abs(d3.timeFormat("%w")(startTime));
          const weekEndDay = new Date(startTime.setDate(startTime.getDate() + (nextDayCount - 1 - currentDayNumber))).getTime();
          const weekEndDate = d3.timeFormat("%d %b")(new Date(weekEndDay));
          if (weekNumber == 0) {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(dataValueForStartDate)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(weekEndDay))
                  })
                : [`${date}-${weekEndDate}`, `${startTime.getFullYear()}`];
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(dataValueForStartDate))}`, data: `${dataValueForStartDate}`, displayName: displayName });
          } else {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(dataValueForStartDate)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(weekEndDay))
                  })
                : `${date}-${weekEndDate}`;
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(dataValueForStartDate))}`, data: `${dataValueForStartDate}`, displayName: displayName });
          }
          startTime = new Date(startTime.setDate(startTime.getDate() + 1)).getTime();
        }
        //CBT:for calculate start Point index
        startPointDate = new Date(startPointDate);
        const weekOfTheDay = startPointDate.getDay();
        startPointDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startPointDate.setDate(startPointDate.getDate() - weekOfTheDay)));
        break;
      }
      case "week-monday": {
        let startTime = startDate.getTime();
        while (startTime <= endDate.getTime()) {
          const date = d3.timeFormat("%d")(new Date(startTime));
          const month = d3.timeFormat("%b")(new Date(startTime));
          startTime = new Date(startTime);
          const dataValueForStartDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime));
          const nextDayCount = 7;
          const currentDayNumber = Math.abs(d3.timeFormat("%u")(startTime));
          const weekEndDay = new Date(startTime.setDate(startTime.getDate() + (nextDayCount - currentDayNumber))).getTime();
          const WeekEndDateNumber = Math.abs(d3.timeFormat("%V")(new Date(weekEndDay))) % 4;
          const weekEndDate = d3.timeFormat("%d %b")(new Date(weekEndDay));
          if (WeekEndDateNumber == 1) {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(dataValueForStartDate)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(weekEndDay))
                  })
                : [`${date}-${weekEndDate}`, `${startTime.getFullYear()}`];
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(dataValueForStartDate))}`, data: `${dataValueForStartDate}`, displayName: displayName });
          } else {
            const displayName =
              ticksFormat != null && typeof ticksFormat == "function"
                ? ticksFormat({
                    startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(dataValueForStartDate)),
                    endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(new Date(weekEndDay))
                  })
                : `${date}-${weekEndDate}`;
            distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(dataValueForStartDate))}`, data: `${dataValueForStartDate}`, displayName: displayName });
          }
          startTime = new Date(startTime.setDate(startTime.getDate() + 1)).getTime();
        }
        //CBT:for calculate start Point index
        startPointDate = new Date(startPointDate);
        const weekOfTheDay = startPointDate.getDay();
        const diffInDate = startPointDate.getDate() - weekOfTheDay + (weekOfTheDay == 0 ? -6 : 1);
        startPointDate = d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startPointDate.setDate(diffInDate)));
        break;
      }
      case "yearly-january": {
        let startYear = Math.abs(d3.timeFormat("%Y")(new Date(startDate)));
        const endYear = Math.abs(d3.timeFormat("%Y")(new Date(endDate)));
        while (startYear <= endYear) {
          const startTime = new Date(startYear, 0, 1, 0, 0, 0, 0);
          const displayName =
            ticksFormat != null && typeof ticksFormat == "function"
              ? ticksFormat({
                  startPoint: d3.timeFormat("%Y-01-01 23:59:59")(startTime),
                  endPoint: d3.timeFormat("%Y-12-31 23:59:59")(startTime)
                })
              : `${startYear}`;
          distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          startYear = startYear + 1;
        }
        startPointDate = d3.timeFormat("%Y-01-01 00:00:00")(new Date(startPoint));
        break;
      }
      case "yearly-march": {
        let startYear = Math.abs(d3.timeFormat("%Y")(new Date(startDate)));
        if (startDate.getMonth() < 3) {
          startYear = startYear - 1;
        }
        let endYear = Math.abs(d3.timeFormat("%Y")(new Date(endDate)));
        if (endDate.getMonth() >= 3) {
          endYear = endYear + 1;
        }
        while (startYear < endYear) {
          const startTime = new Date(startYear, 3, 1, 0, 0, 0, 0);
          const endTime = new Date(startYear + 1, 2, 31, 23, 59, 59, 100);
          const displayName =
            ticksFormat != null && typeof ticksFormat == "function"
              ? ticksFormat({
                  startPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(startTime),
                  endPoint: d3.timeFormat("%Y-%m-%d 23:59:59")(endTime)
                })
              : [`${startYear}-`, `${startYear + 1}`];
          distinctTicks.push({ title: `${d3.timeFormat("%d %b,%Y")(new Date(startTime))}`, data: `${d3.timeFormat("%Y-%m-%d 00:00:00")(new Date(startTime))}`, displayName: displayName });
          startYear = startYear + 1;
        }
        //CBT:for calculate start Point index
        startPointDate = new Date(startPointDate);
        if (startPointDate.getMonth() < 3) {
          startPointDate = new Date(startPointDate.setFullYear(startPointDate.getFullYear() - 1));
          startPointDate = d3.timeFormat("%Y-04-01 00:00:00")(new Date(startPointDate));
        } else {
          startPointDate = d3.timeFormat("%Y-04-01 00:00:00")(new Date(startPointDate));
        }
        break;
      }
    }
  }
  startPointIndex = distinctTicks
    .map(d => {
      return d.data;
    })
    .indexOf(startPointDate);
  startPointIndex = startPointIndex == -1 ? 0 : startPointIndex;
  return { distinctTicks: distinctTicks, startPointIndex: startPointIndex };
}

// function getPrepareChartData(chartData, category, measureFieldName) {
//   const preparedData = {};
//   const allPercentageValues = [];
//   category.map((categoryPoint, baseIndex) => {
//     preparedData[categoryPoint] = {};
//     Object.keys(chartData).forEach(lineDimension => {
//       preparedData[categoryPoint][lineDimension] = [];
//       const basePoint = chartData[lineDimension][baseIndex][measureFieldName];
//       chartData[lineDimension].forEach(data => {
//         const value = basePoint == 0 || basePoint == null || data[measureFieldName] == null ? 0 : +parseFloat((data[measureFieldName] - basePoint) / basePoint * 100).toFixed(2);
//         preparedData[categoryPoint][lineDimension].push(value);
//         allPercentageValues.push(value);
//       });
//     });
//   });
//   return { resultData: preparedData, minMax: d3.extent(allPercentageValues) };
// }

const getNextDivisible = (maxNumber, binSize) => {
  if (maxNumber % binSize === 0) return maxNumber;
  return maxNumber + binSize - maxNumber % binSize;
};

const getPrevDivisible = (minNumber, binSize) => {
  return minNumber - minNumber % binSize;
};

const getSmootherBinSize = num => {
  if (num > 1) {
    var pow = 0;
    while (num / Math.pow(10, pow) > 9) pow += 1;
    return getNextDivisible(num, Math.pow(10, pow));
  } else {
    var pow = 0;
    while (num / Math.pow(10, pow) <= 0.09) {
      pow -= 1;
    }
    return Math.round(getNextDivisible(num, Math.pow(10, pow)) * Math.pow(10, -pow)) / Math.pow(10, -pow);
  }
};



const minMaxValueData=d3.extent(trendResult.map(d=>d.value));
const legendBucketSize=5;
const resultOfMinMax= calculateMinMaxValue(minMaxValueData[0], minMaxValueData[1], false, legendBucketSize);
const minValueData=resultOfMinMax.minValue;
 const maxValueData =resultOfMinMax.maxValue; 
let binSizeData = ( maxValueData - minValueData) / (legendBucketSize - 1);
binSizeData=Math.abs(binSizeData);
const legendBuckets = [];
let currentValueData = minValueData;
while(currentValueData <= maxValueData) {
  legendBuckets.push(Math.ceil(currentValueData));
  currentValueData = currentValueData + binSizeData;
}

var colorScale = d3.scaleThreshold()
.domain(legendBuckets)
.range(["#FFE19B","#FFC85B","#F8623C","#D51F1F","#A70202"]);

 //CBT:Legend Start
 $("#charts").before(
  "<div id='Legend_chart' class='pmd-card-body' style='margin-top:0; margin-bottom:0;'></div>"
);

const keys=[];
colorScale.domain().forEach((d,index)=>{
  keys.push({
    color: colorScale(d),
    label: (index==colorScale.domain().length-1) ?  (">="+d+ " (Current Sales Value in Lacs)"):(">="+d)
  })
})

keys.forEach(function(d) {
  var cloloCode = d.color;
  $("#Legend_chart").append(
    "<span class='team-graph team1' style='display: inline-block; margin-right:10px;'>\
  <span style='background:" +
      cloloCode +
      ";width: 10px;height: 10px;display: inline-block;vertical-align: middle;'>&nbsp;</span>\
  <span style='padding-top: 0;font-family:Source Sans Pro, sans-serif;font-size: 13px;display: inline;'>" +
      d.label +
      " </span>\
</span>"
  );
});
//CBT:Legend End

const preparedChartData=[];
let pastValue=0;
trendResult.forEach(data=>{
  const dataObj={...data};
  dataObj.pastValue=pastValue;
  dataObj.color=colorScale(data.value);
  pastValue=pastValue+data.value;
  preparedChartData.push(dataObj);
});


const getDataValue = data => {
  if (data != null && typeof data == "object") {
    return data.data;
  } else {
    return data;
  }
};

const getTranslation=(transform)=>{
  // Create a dummy g for calculation purposes only. This will never
  // be appended to the DOM and will be discarded once this function
  // returns.
  var g = document.createElementNS("http://www.w3.org/2000/svg", "g");
  
  // Set the transform attribute to the provided string value.
  g.setAttributeNS(null, "transform", transform);
  
  // consolidate the SVGTransformList containing all transformations
  // to a single SVGTransform of type SVG_TRANSFORM_MATRIX and get
  // its SVGMatrix.
  var matrix = g.transform.baseVal.consolidate().matrix;
  
  // As per definition values e and f are the ones for the translation.
  return [matrix.e, matrix.f];
}


function CustomXAxis(xScale,width,rangeValuesTicksData,height,preparedChartData){
  const axesContainer=".range-slider-axis";
  const dataValues=rangeValuesTicksData;
      d3.select(axesContainer).html("");
      let fontHeight;
      let maxYPositionForRectBox=0;
      dataValues.forEach((data, index) => {
        let values = data;
        let titleValue=data;
        if (data != null && typeof data == "object") {
          if (data.displayName) {
            values = data.displayName;
          } else if (data.formatter != null && typeof data.formatter == "function") {
            values = data.formatter(data.data);
          } else {
            values = data.data;
          }
          titleValue=data.data;
          if(data.title!=null){
            titleValue=data.title;
          }
        }
        const ticksG = d3.select(axesContainer)
          .append("g")
          .attr("class", "ticks")
          .attr("transform", `translate(${xScale(getDataValue(data))},0)`);
        let wrappedTexts = [];
        
        if (Array.isArray(values)==true) {
          const textData = values;
          const textG = ticksG.append("text").style("text-anchor", "middle");
          wrappedTexts = textData.map(textD => {
             const tspan= textG
              .append("tspan")
              .classed("ticks-text", true)
              .style("font-size", "var(--small-text-size)")
              .attr("x", xScale.bandwidth() / 2)
              .text(textD);
              tspan.append("svg:title")
              .text(titleValue);
              return tspan;
          });
          fontHeight = wrappedTexts[0].node().getBBox().height;
        } else {
          const text=ticksG
            .append("text")
            .classed("ticks-text", true)
            .style("text-anchor", "middle")
            .style("font-size", "var(--small-text-size)")
            .attr("x", xScale.bandwidth() / 2)
            .text(values);
            text.append("svg:title")
            .text(titleValue);
          fontHeight = d3
            .select(axesContainer)
            .select(".ticks text.ticks-text")
            .node()
            .getBBox().height;

          text.attr("y",fontHeight); 
          if(fontHeight>maxYPositionForRectBox)
            maxYPositionForRectBox=fontHeight;
        }
        
        if (wrappedTexts.length > 0) {
          let yPosition = fontHeight;
          wrappedTexts.forEach(textPoint => {
            textPoint.attr("y", yPosition);
            yPosition = yPosition + fontHeight;
          });
          if((yPosition-fontHeight)>maxYPositionForRectBox)
            maxYPositionForRectBox=yPosition-fontHeight;
        }

        ticksG.append("rect")
        .attr("class","rectangle-box")
        .attr("x",1.5)
        .attr("width",xScale.bandwidth()-1.5)
        .attr("height",20)
        .style("fill",preparedChartData[index].color);

        //CBT:tick line start
        ticksG
          .append("line")
          .attr("class", "tick-line")
          .attr("x1", 0)
          .attr("y1", 0)
          .attr("x2", 0)
          .attr("y2", -(height));
        if (index == dataValues.length - 1) {
          ticksG
            .append("line")
            .attr("class", "tick-line")
            .attr("x1", xScale.bandwidth() - 1)
            .attr("y1", 0)
            .attr("x2", xScale.bandwidth() - 1)
            .attr("y2", -height);
        }
        //CBT:tick line end
      });

      //CBT: pull rectangle-box bellow to text of x -axis ticks
      d3.selectAll(".rectangle-box").attr("y",(maxYPositionForRectBox+5));
      //CBT:put axis down as font size

      //CBT:add ticks line
      d3.select(axesContainer)
        .append("line")
        .attr("class", "tick-line")
        .attr("x1", xScale(getDataValue(dataValues[0])))
        .attr("y1", 0)
        .attr("x2", xScale(getDataValue(dataValues[dataValues.length - 1])) + xScale.bandwidth())
        .attr("y2", 0);


      //CBT:Hide Overlapping Ticks text
      var selectedTextWidth = '';
      let previousElement=null;
      d3.select(axesContainer).selectAll(".ticks").each(function(text, i) {
        var that = this;
        let textWidth=d3.select(that).select(".ticks-text").node().getBBox().width;
        d3.select(that).select(".ticks-text").style("display","block");
        var position =getTranslation(that.getAttribute("transform"));
        if (i == 0 || d3.select(that).select("text tspan").empty()==false) {
          selectedTextWidth = position[0] + textWidth;
          if(previousElement!=null && d3.select(previousElement).select("text tspan").empty()==true) {
            //CBT:hide previous ticks text if it doesn't contain tspan and it's text overlapped current text
            const positionPre =getTranslation(previousElement.getAttribute("transform"));
            const textWidthPre=d3.select(previousElement).select(".ticks-text").node().getBBox().width;
            if(positionPre[0]+textWidthPre+5>position[0]){
              d3.select(previousElement).select(".ticks-text").style("display","none")
            }
          };
          previousElement=that;
        } else {
          var currentTextStart = position[0];
          if (currentTextStart <= (selectedTextWidth + 10) || currentTextStart > width) {
            d3.select(that).select(".ticks-text").style("display","none");
          } else {
            selectedTextWidth = position[0] + textWidth;
            previousElement=that;
          }
        }
      });
}


function callShowTooltip(topPosition,leftPosition,childrenData,mainDivRef){
  
      d3.select(mainDivRef).select(".custom-tooltip").remove();
      const tooltipMain=d3.select(mainDivRef).append("div")
      .attr("class","custom-tooltip");
      tooltipMain.style("left","0px");
      tooltipMain.append("div").html(childrenData);
      tooltipMain.append("div")
      .attr("class","rectangle-container")
      .append("div")
      .attr("class","rectangle-div");

      tooltipMain.style("top",(topPosition-(tooltipMain.node().getBoundingClientRect().height+20))+"px")
      .style("left",(leftPosition-(tooltipMain.node().getBoundingClientRect().width/2))+"px");
  }

  function callHideTooltip(mainDivRef){
    d3.select(mainDivRef).select(".custom-tooltip").remove();
  }


  function setDrawDataTips(dataTips,xScale,yScale,distinctTicks,svgRef,margin,preparedChartData,mainDivRef){
 
          const dataTipsReverse=[...dataTips];
          const preparedChartDataReverse=[...preparedChartData].reverse();
          const ticksCalculationDataPointReverse=[...distinctTicks].reverse();
          d3.select(svgRef).select(".y-axis").select(".data-tip-g").remove();
          const dataTipG=d3.select(svgRef).select(".y-axis").append("g")
          .attr("class","data-tip-g");
          dataTipG.html("");
          const minimumLineSize=10;
          const dataTipRectHeight=40;
          const dataTipRectWidth=150;
          const dataTipDateRectWidth=45;
          const dataTipsDivCoordinates=[];
          
            dataTipsReverse.forEach((dataTip)=>{
              if(dataTip.isRendered==false || dataTip.isRendered==null){
                preparedChartDataReverse.forEach((chartData,index)=>{
                  const ticksCalculationDataPoint=ticksCalculationDataPointReverse[index];
                  if(yScale(chartData.value+chartData.pastValue)+margin.top>(dataTipRectHeight+minimumLineSize) && (dataTip.isRendered==null || dataTip.isRendered==false) && index>=dataTip.index){
                    const divTopPosition= 40;
          
                    const divLeftPosition= d3
                    .select(mainDivRef)
                    .node()
                    .getBoundingClientRect().left+margin.left;
                    let top=(divTopPosition);
                    let left=divLeftPosition+ xScale(ticksCalculationDataPoint.data)+(xScale.bandwidth()/2)-(dataTipRectWidth-(dataTipDateRectWidth/2));
                    let isOverLapped=false;
                    let currentCoordinates;
                    let differenceOfLeftAndZero=0;
                    if(left<0){
                      differenceOfLeftAndZero=0-left;
                      left=0;
                    }
                      currentCoordinates={
                        x1:left,
                        y1:top,
                        x2:left+dataTipRectWidth,
                        y2:top+dataTipRectHeight
                      }
                      dataTipsDivCoordinates.forEach(point=>{
                        let isYAxisOverlapped=false;
                        let isXAxisOverlapped=false;
                        if((currentCoordinates.x1>=point.x1 && currentCoordinates.x1<=point.x2) || (currentCoordinates.x2>=point.x1 && currentCoordinates.x2<=point.x2)){
                          isXAxisOverlapped=true;
                        }
                        if((currentCoordinates.y1>=point.y1 && currentCoordinates.y1<=point.y2) || (currentCoordinates.y2>=point.y1 && currentCoordinates.y2<=point.y2)){
                          isYAxisOverlapped=true;
                        }
                        if(isYAxisOverlapped==true && isXAxisOverlapped==true){
                          isOverLapped=true;
                        }
                      });
                     
    
                    //CBT:check bellow position from current tip
                    if(isOverLapped==true){
                      top=top+dataTipRectHeight+10;
                      currentCoordinates={
                        x1:left,
                        y1:top,
                        x2:left+dataTipRectWidth,
                        y2:top+dataTipRectHeight
                      }
                      if(Math.round(yScale(chartData.value+chartData.pastValue)+(margin.top -margin.bottom))>=Math.round(top)){
                        isOverLapped=false;
                      }
                      dataTipsDivCoordinates.forEach(point=>{
                        let isYAxisOverlapped=false;
                        let isXAxisOverlapped=false;
                        if((currentCoordinates.x1>=point.x1 && currentCoordinates.x1<=point.x2) || (currentCoordinates.x2>=point.x1 && currentCoordinates.x2<=point.x2)){
                          isXAxisOverlapped=true;
                        }
                        if((currentCoordinates.y1>=point.y1 && currentCoordinates.y1<=point.y2) || (currentCoordinates.y2>=point.y1 && currentCoordinates.y2<=point.y2)){
                          isYAxisOverlapped=true;
                        }
                        if(isYAxisOverlapped==true && isXAxisOverlapped==true){
                          isOverLapped=true;
                        }
                      });
                    }
                    if(isOverLapped==true){
                      top=top+dataTipRectHeight+10;
                      currentCoordinates={
                        x1:left,
                        y1:top,
                        x2:left+dataTipRectWidth,
                        y2:top+dataTipRectHeight
                      }
                      if(Math.round(yScale(chartData.value+chartData.pastValue)+(margin.top -margin.bottom))>=Math.round(top)){
                        isOverLapped=false;
                      }
                      dataTipsDivCoordinates.forEach(point=>{
                        let isYAxisOverlapped=false;
                        let isXAxisOverlapped=false;
                        if((currentCoordinates.x1>=point.x1 && currentCoordinates.x1<=point.x2) || (currentCoordinates.x2>=point.x1 && currentCoordinates.x2<=point.x2)){
                          isXAxisOverlapped=true;
                        }
                        if((currentCoordinates.y1>=point.y1 && currentCoordinates.y1<=point.y2) || (currentCoordinates.y2>=point.y1 && currentCoordinates.y2<=point.y2)){
                          isYAxisOverlapped=true;
                        }
                        if(isYAxisOverlapped==true && isXAxisOverlapped==true){
                          isOverLapped=true;
                        }
                      });
                    }
                    if(differenceOfLeftAndZero>0 && isOverLapped==true){
                      ///CBT:this is for first bar tip 
                      top=yScale(chartData.value+chartData.pastValue)-(dataTipRectHeight+minimumLineSize)+margin.top;
                      currentCoordinates={
                        x1:left,
                        y1:top,
                        x2:left+dataTipRectWidth,
                        y2:top+dataTipRectHeight
                      }
                        isOverLapped=false;
                    }
                    if(isOverLapped==false){
                      const mainDivDataTip=d3
                      .select(mainDivRef)
                      .append("div")
                      .style("top",top+"px")
                      .style("left",left+"px")
                      .style("width",dataTipRectWidth+"px")
                      .style("height",dataTipRectHeight+"px")
                      .attr("class","data-tip-div");
            
                      mainDivDataTip.append("div")
                      .attr("class","text-div")
                      .html(dataTip.dataTip);
            
                      const dateDiv=mainDivDataTip.append("div")
                      .attr("class","date-div");
            
                      dateDiv.append("div")
                      .attr("class","date-top-div")
                      .html(d3.timeFormat("%B")(new Date(dataTip.date)));
            
                      dateDiv.append("div")
                      .attr("class","date-bottom-div")
                      .html(d3.timeFormat("%d")(new Date(dataTip.date)));
            
                      //CBT:draw Horizontal line
                      const lineStart=top;
                      const x1=xScale(ticksCalculationDataPoint.data)+(xScale.bandwidth()/2);
                      let x2=x1;
                      if(dataTip.index!=index){
                        const ticksCalculationDataPointActual=ticksCalculationDataPointReverse[dataTip.index];
                        x2=xScale(ticksCalculationDataPointActual.data)+(xScale.bandwidth()/2);
                      }
                      dataTipG
                      .append("line")
                      .attr("class","data-tip-line")
                      .attr("x1",x1+differenceOfLeftAndZero)
                      .attr("x2",x2)
                      .attr("y1",lineStart+dataTipRectHeight-margin.top)
                      .attr("y2",yScale(dataTip.value+dataTip.pastValue));
                      dataTip.isRendered=true;
                      dataTipsDivCoordinates.push({
                        x1:left,
                        y1:top,
                        x2:left+dataTipRectWidth,
                        y2:top+dataTipRectHeight
                      })
                    }
                  }else{
                    
                  }
                })
                
              }
              
            });
   
}

d3.v4.min.js

// https://d3js.org Version 4.10.2. Copyright 2017 Mike Bostock.
(function(t,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(t.d3=t.d3||{})})(this,function(t){"use strict";function n(t){return function(n,e){return ss(t(n),e)}}function e(t,n){return[t,n]}function r(t,n,e){var r=(n-t)/Math.max(0,e),i=Math.floor(Math.log(r)/Math.LN10),o=r/Math.pow(10,i);return i>=0?(o>=Ts?10:o>=ks?5:o>=Ns?2:1)*Math.pow(10,i):-Math.pow(10,-i)/(o>=Ts?10:o>=ks?5:o>=Ns?2:1)}function i(t,n,e){var r=Math.abs(n-t)/Math.max(0,e),i=Math.pow(10,Math.floor(Math.log(r)/Math.LN10)),o=r/i;return o>=Ts?i*=10:o>=ks?i*=5:o>=Ns&&(i*=2),n<t?-i:i}function o(t){return t.length}function u(t){return"translate("+(t+.5)+",0)"}function a(t){return"translate(0,"+(t+.5)+")"}function c(t){return function(n){return+t(n)}}function s(t){var n=Math.max(0,t.bandwidth()-1)/2;return t.round()&&(n=Math.round(n)),function(e){return+t(e)+n}}function f(){return!this.__axis}function l(t,n){function e(e){var u=null==i?n.ticks?n.ticks.apply(n,r):n.domain():i,a=null==o?n.tickFormat?n.tickFormat.apply(n,r):Ls:o,y=Math.max(l,0)+p,g=n.range(),m=+g[0]+.5,x=+g[g.length-1]+.5,b=(n.bandwidth?s:c)(n.copy()),w=e.selection?e.selection():e,M=w.selectAll(".domain").data([null]),T=w.selectAll(".tick").data(u,n).order(),k=T.exit(),N=T.enter().append("g").attr("class","tick"),S=T.select("line"),E=T.select("text");M=M.merge(M.enter().insert("path",".tick").attr("class","domain").attr("stroke","#000")),T=T.merge(N),S=S.merge(N.append("line").attr("stroke","#000").attr(v+"2",d*l)),E=E.merge(N.append("text").attr("fill","#000").attr(v,d*y).attr("dy",t===qs?"0em":t===Ds?"0.71em":"0.32em")),e!==w&&(M=M.transition(e),T=T.transition(e),S=S.transition(e),E=E.transition(e),k=k.transition(e).attr("opacity",Fs).attr("transform",function(t){return isFinite(t=b(t))?_(t):this.getAttribute("transform")}),N.attr("opacity",Fs).attr("transform",function(t){var n=this.parentNode.__axis;return _(n&&isFinite(n=n(t))?n:b(t))})),k.remove(),M.attr("d",t===Os||t==Us?"M"+d*h+","+m+"H0.5V"+x+"H"+d*h:"M"+m+","+d*h+"V0.5H"+x+"V"+d*h),T.attr("opacity",1).attr("transform",function(t){return _(b(t))}),S.attr(v+"2",d*l),E.attr(v,d*y).text(a),w.filter(f).attr("fill","none").attr("font-size",10).attr("font-family","sans-serif").attr("text-anchor",t===Us?"start":t===Os?"end":"middle"),w.each(function(){this.__axis=b})}var r=[],i=null,o=null,l=6,h=6,p=3,d=t===qs||t===Os?-1:1,v=t===Os||t===Us?"x":"y",_=t===qs||t===Ds?u:a;return e.scale=function(t){return arguments.length?(n=t,e):n},e.ticks=function(){return r=Rs.call(arguments),e},e.tickArguments=function(t){return arguments.length?(r=null==t?[]:Rs.call(t),e):r.slice()},e.tickValues=function(t){return arguments.length?(i=null==t?null:Rs.call(t),e):i&&i.slice()},e.tickFormat=function(t){return arguments.length?(o=t,e):o},e.tickSize=function(t){return arguments.length?(l=h=+t,e):l},e.tickSizeInner=function(t){return 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arguments.length?n(Ba(t)):n()._curve},t},Ag=function(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]},Cg=Array.prototype.slice,zg={draw:function(t,n){var e=Math.sqrt(n/gg);t.moveTo(e,0),t.arc(0,0,e,0,xg)}},Pg={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Rg=Math.sqrt(1/3),Lg=2*Rg,qg={draw:function(t,n){var e=Math.sqrt(n/Lg),r=e*Rg;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},Ug=Math.sin(gg/10)/Math.sin(7*gg/10),Dg=Math.sin(xg/10)*Ug,Og=-Math.cos(xg/10)*Ug,Fg={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=Dg*e,i=Og*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=xg*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},Ig={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Yg=Math.sqrt(3),Bg={draw:function(t,n){var e=-Math.sqrt(n/(3*Yg));t.moveTo(0,2*e),t.lineTo(-Yg*e,-e),t.lineTo(Yg*e,-e),t.closePath()}},jg=-.5,Hg=Math.sqrt(3)/2,Xg=1/Math.sqrt(12),$g=3*(Xg/2+1),Vg={draw:function(t,n){var e=Math.sqrt(n/$g),r=e/2,i=e*Xg,o=r,u=e*Xg+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(jg*r-Hg*i,Hg*r+jg*i),t.lineTo(jg*o-Hg*u,Hg*o+jg*u),t.lineTo(jg*a-Hg*c,Hg*a+jg*c),t.lineTo(jg*r+Hg*i,jg*i-Hg*r),t.lineTo(jg*o+Hg*u,jg*u-Hg*o),t.lineTo(jg*a+Hg*c,jg*c-Hg*a),t.closePath()}},Wg=[zg,Pg,qg,Ig,Fg,Bg,Vg],Zg=function(){};Ja.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Ga(this,this._x1,this._y1);case 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Gg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Qg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Kg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var tm=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var nm=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var em=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Zg,areaEnd:Zg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var 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index.html

<!DOCTYPE html>
<meta charset="utf-8">

<head>
    <title>Chandrakant Bharatkumar Thakkar</title>
    <link rel="stylesheet" href="./styles.css">
</head>

<body>
    <div id="charts" style="width:800px;">
        <div class="cumulative-trend" style="width:800px;height:500px">
            <svg width="800" height="500" />
        </div>
    </div>

    </div>
    <a href="https://stackoverflow.com/users/7430694/chandrakant-thakkar" style="position: absolute;top: 87%;left: 77%;" target="_blank">
        <img src="https://stackoverflow.com/users/flair/7430694.png" width="208" height="58" alt="profile for Chandrakant Thakkar at Stack Overflow, Q&amp;A for professional and enthusiast programmers" title="profile for Chandrakant Thakkar at Stack Overflow, Q&amp;A for professional and enthusiast programmers">
        </a>
    <script src="./jquery-latest.min.js"></script>
    <script src="./d3.v4.min.js"></script>
    <script src="./constant.js"></script>
    <script>
        var svg = d3.select("svg"),
            width = 800,
            height = 440;

        const svgRef = "svg";
        const mainDivRef = ".cumulative-trend";
        const margin = {
            top: 90,
            right: 20,
            left: 50,
            bottom: 50
        };

        const ticksSize = 6;


        const minMaxValue = d3.extent(preparedChartData.map(data => data.value + data.pastValue));
        const { minValue, maxValue } = calculateMinMaxValue(minMaxValue[0], minMaxValue[1], false, ticksSize);

        const minMaxValues = { minValue: Math.round(minValue), maxValue: Math.round(maxValue) };

        let binSize = (minMaxValues.maxValue - minMaxValues.minValue) / (ticksSize - 1);
        binSize = Math.round(binSize);
        const tickValues = [];
        let currentValue = minMaxValues.minValue;
        while (currentValue <= minMaxValues.maxValue) {
            tickValues.push(currentValue);
            currentValue = currentValue + binSize;
        }



        const dataTips = [...preparedChartData].reverse().filter((d, index) => {
            d.index = index;
            return d.dataTip != null;
        });


        const updatedMargin = { ...margin };
        updatedMargin.top = (dataTips.length > 0 && updatedMargin.top < 50) ? 50 : updatedMargin.top;


        const yScale = d3.scaleLinear().domain([0, minMaxValues.maxValue])
            .range([(height) - (updatedMargin.bottom + updatedMargin.top), 0]);

        var yAxis = d3.axisLeft(yScale).ticks(ticksSize).tickFormat(d => d);


        d3.select("svg")
            .append("g")
            .attr("class", "y-axis")
            .attr("transform", "translate(" + updatedMargin.left + "," + updatedMargin.top + ")").call(yAxis);


        const ticksCalculationData = getTicksCalculation(preparedChartData[0].date, preparedChartData[preparedChartData.length - 1].date, "day", "0");
        const distinctTicks = ticksCalculationData.distinctTicks.map(d => d.data);
        const xScale = d3.scaleBand()
            .domain(distinctTicks)
            .range([0, width - (updatedMargin.left + updatedMargin.right)]);
        const groupKey = ["value", "pastValue"];
        const layersActual = d3
            .stack()
            .keys(groupKey)
            .offset(d3.stackOffsetDiverging)(preparedChartData);

        const xAxisG = d3.select("svg")
            .append("g")
            .attr("transform", "translate(" + updatedMargin.left + "," + (height - (updatedMargin.top - 40)) + ")")

        xAxisG.append("g")
            .attr("class", "range-slider-axis");
        CustomXAxis(xScale, width - (updatedMargin.left + updatedMargin.right), ticksCalculationData.distinctTicks, height - (updatedMargin.top + updatedMargin.bottom), preparedChartData);
        let tooltipData = "";
        let topLeftPositionOfTooltip = { topPosition: 100, leftPosition: 100 };
        const onMouseEnterOnBar = (d) => {
            let data = d3.event.target.getBBox();
            data = { x: data.x, y: data.y, width: data.width, height: data.height, ...d };

            tooltipData = (
                '<div className="tooltip-table">\
                        <div className="tooltip-table-row">\
                            <span className="header">Current Value:</span>\
                            <span>'+ data.data.value + '</span>\
                        </div>\
                        <div className="tooltip-table-row">\
                            <span className="header">Past Value:</span>\
                            <span>'+ data.data.pastValue + '</span>\
                        </div>\
                    </div>'
            );

            topLeftPositionOfTooltip = {
                topPosition:
                data.topY + updatedMargin.top,
                leftPosition: data.x + xScale.bandwidth() / 2 + updatedMargin.left
            };
            callShowTooltip(topLeftPositionOfTooltip.topPosition, topLeftPositionOfTooltip.leftPosition, tooltipData, mainDivRef);

        }

        const onMouseOutOnBar = () => {
            callHideTooltip(mainDivRef);
        }


        const stackBarG = d3.select("svg")
            .append("g")
            .attr("class", "stack-bar")
            .attr("transform", "translate(" + updatedMargin.left + "," + updatedMargin.top + ")").call(yAxis);
        layersActual.length > 0 &&
            layersActual[0].forEach((dataPoint, index) => {
                const pastValue = [0, layersActual[1][index]["1"] - layersActual[1][index]["0"]];
                const currentValue = [pastValue[1], pastValue[1] + dataPoint["1"] - dataPoint["0"]];


                stackBarG.append("g")
                    .append("rect")
                    .datum({ topY: yScale(currentValue[1]), data: dataPoint.data })
                    .classed('past-value', true)
                    .attr("x", xScale(ticksCalculationData.distinctTicks[index].data) + 1.5)
                    .attr("y", yScale(pastValue[1]))
                    .style("height", yScale(pastValue[0]) - yScale(pastValue[1]))
                    .style("width", xScale.bandwidth() - 1.5)
                    .style("fill", "#ccc")
                    .style("stroke", "transparent")
                    .on("mouseover", onMouseEnterOnBar)
                    .on("mouseout", onMouseOutOnBar);

                stackBarG.append("g")
                    .append("rect")
                    .datum({ topY: yScale(currentValue[1]), data: dataPoint.data })
                    .classed('actual-value', true)
                    .attr("x", xScale(ticksCalculationData.distinctTicks[index].data) + 1.5)
                    .attr("y", yScale(currentValue[1]))
                    .style("height", yScale(currentValue[0]) - yScale(currentValue[1]))
                    .style("width", xScale.bandwidth() - 1.5)
                    .style("fill", "#ccc")
                    .style("stroke", "transparent")
                    .on("mouseover", onMouseEnterOnBar)
                    .on("mouseout", onMouseOutOnBar);

            })

        setDrawDataTips(dataTips, xScale, yScale, ticksCalculationData.distinctTicks, svgRef, updatedMargin, preparedChartData, mainDivRef);
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jquery-latest.min.js

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LICENSE.txt

MIT License

Copyright (c) [2020] [Chandrakant Thakkar]

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

styles.css

.actual-value{
    fill: #ED4040 !important;
}
.past-value{
    fill: #C4C4C4 !important;
}

.cumulative-trend{
    position: relative;
}


.tooltip-table-row{
    font-size: var(--body-text-size);
    color:#808080;
    
}
.tooltip-table-row .header{
    font-weight: var(--bold-font-weight);
}

.custom-tooltip {
    display: inline-block;
    height: auto;
    width: auto;
    position: absolute;
    z-index: 9999;
    background: white;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    pointer-events: none;
    
  }

  .rectangle-container{
    position: absolute;
    display: flex;
    justify-content: center;
    width: 100%;
    left: 0px;
  }
  .rectangle-div{
      width: 20px;
      height: 20px;
      background: white;
      transform: rotate(45deg);
      transform: rotate(45deg);
      border-bottom: 1px solid #ccc;
      border-right: 1px solid #ccc;
  }

  #Legend_chart{
    position: absolute;
    top: 20px;
    left: 50px;
  }

  /* .data-tip-g{ */
    .data-tip-line{
        stroke: #ccc;
        stroke-width:2px; 
    }
/* } */
.data-tip-div{
    position: absolute;
    display: grid;
    grid-template-columns: 1fr 45px;
    
}
.text-div{
    display: flex;
    align-items: center;
    font-weight: var(--semibold-font-weight);
    font-size: 12px;
    line-height: 16px;
    text-align: right;
    color: #333333;
    margin-right: 2px;
}
.date-div{
    border:1px solid #D8D8D8;
    display: grid;
    grid-template-rows: 14px 1fr;

}
.date-top-div{
    font-size: 10px;
    line-height: 156.3%;
    color: #FFFFFF;
    background: #FF3535;
    display: flex;
    justify-content: center;
}
.date-bottom-div{
    font-weight: bold;
    font-size: 12px;
    line-height: 156.3%;
    color: #333333;
    display: flex;
    justify-content: center;
    align-items: center;
}

thumbnail.png