wykrestest/lib/utils/utils.js

Candlestick Chart made with Konva, React and Jotai

export const highLowFunc = (data) => {
    let high = 0;
    let low = 50000;
    data.forEach((el) => {
        high = el.high > high ? el.high : high;
        low = el.low < low ? el.low : low;
    });
    return { high: high, low: low, diff: high - low };
};
export const maxXFunc = (dataLength, winSize, gap, scaleX) => {
    return -((dataLength - winSize) * gap) * scaleX;
};
export const winSizeFunc = (width, gap, scaleX) => {
    return Math.ceil((width / gap) / scaleX);
};
export const winPosFunc = (newX, gap, scaleX) => {
    return (Math.abs(Math.ceil((newX / gap) / scaleX)));
};
export const checkBoundry = (pos, maxX) => {
    let newPos = pos;
    if (newPos.x > 0) {
        newPos.x = 0;
    }
    else if (newPos.x < maxX) {
        newPos.x = maxX;
    }
    return newPos;
};
export const stepSpace = (diff, steps) => {
    const tempStep = diff / steps;
    const mag = Math.floor(Math.log10(tempStep));
    const magPow = Math.pow(10, mag);
    let magMsd = tempStep / magPow + .5;
    if (magMsd > 5) {
        magMsd = 10;
    }
    else if (magMsd > 2) {
        magMsd = 5;
    }
    else if (magMsd > 1) {
        magMsd = 2;
    }
    return magMsd * magPow;
};
export const countDP = (value) => {
    const text = value.toString();
    const index = text.indexOf('.');
    // return (text.length - index - 1) //to return the 1.12 (example)
    return (6 - index);
};
//export const dateFunc = (data: IData[]): IDateObj => {
//    let baseDate = {year: 0, month: 0, day: 0, hour: 0, min: 0}
//    let years: IDateArray[] = []
//    let months: IDateArray[] = []
//    let days: IDateArray[] = []
//    let hours: IDateArray[] = []
//    let mins: IDateArray[] = []
//    let count = 0
//    let yearClass = new Years
//    if(data.length > 1){
//      data.forEach((el, i) => {
//        const date = parseISO(el.api_date)
//        const currYear = date.getFullYear()
//        const currMonth = date.getMonth()
//        const currDay = date.getDay()
//        const currHour = date.getHours()
//        const currMin = date.getMinutes()
//        if(baseDate.year == 0){
//          baseDate = setBaseDate(date)
//        }
//        else if(baseDate.year != currYear){
//          //dateObj.newYear({date: date, index: i})
//          years.push({date: date, index: i})
//          yearClass.push({date: date, index: i})
//          baseDate = {
//            year: currYear,
//            month: currMonth,
//            day: currDay,
//            hour: currHour,
//            min: currMin}
//        }
//        else if(baseDate.month != currMonth){
//          months.push({date: date, index: i})
//          baseDate = {
//            ...baseDate,
//            month: currMonth,
//            day: currDay,
//            hour: currHour,
//            min: currMin
//          }
//        }
//        else if(baseDate.day != currDay){
//          days.push({date: date, index: i})
//          baseDate = {
//            ...baseDate,
//            day: currDay,
//            hour: currHour,
//            min: currMin
//          }
//        }
//        else if(baseDate.hour != currHour){
//          hours.push({date: date, index: i})
//          baseDate = {
//            ...baseDate,
//            hour: currHour,
//            min: currMin
//          }
//        }
//        else if (baseDate.min != currMin){
//          mins.push({date: date, index: i})
//          baseDate = {
//            ...baseDate,
//            min: currMin
//          }
//        }
//      })
//    }
//    return {
//      years: {data: years, count: count+=years.length}, 
//      months: {data: months, count: count+=months.length}, 
//      days: {data: days, count: count+=days.length}, 
//      hours: {data: hours, count: count+=hours.length},
//      mins: {data: mins, count: count+=mins.length}
//  }
//}