Date-opration

last 30 days record 

const list = [{

    id: "95",

    datum: "2020-10-11",

    trade: "EUR/USD BUY",

    aktion: "closed",

    pips: "10"

  },

  {

    id: "94",

    datum: "2020-06-09",

    trade: "GBP/USD BUY",

    aktion: "TP Hit",

    pips: "65"

  },

  {

    id: "93",

    datum: "2020-08-01",

    trade: "NZD/USD SELL",

    aktion: "SL Hit",

    pips: "-57"

  },

]

const currentDate = new Date();

const currentDateTime = currentDate.getTime();

const last30DaysDate = new Date(currentDate.setDate(currentDate.getDate() - 30));

const last30DaysDateTime = last30DaysDate.getTime();

const last30DaysList = list.filter(x => {

  const elementDateTime = new Date(x.datum).getTime();

  if (elementDateTime <= currentDateTime && elementDateTime > last30DaysDateTime) {

    return true;

  }

  return false

}).sort((a, b) => {

  return new Date(b.datum) - new Date(a.datum);

});

console.log(last30DaysList)

-------------------------------------------------------------------------------------------------------------------------------

 lastSynced > new Date().setDate(new Date().getDate() - 1)

array.push

categoryList = []

Array.prototype.push.apply(categoryList, categories)

import {unionBy, uniqBy} from 'lodash';

categoryList = uniqBy(categoryList, 'categoryId')

if (dateFrom) queryFilter.dateFrom = {

            $gte: new Date(dateFrom).getTime(), $lt: new Date(new Date(dateFrom).setDate(new Date(dateFrom).getDate() + 1)).getTime()

        }

        if (dateTo) queryFilter.dateTo = {

            $gte: new Date(dateTo).getTime(), $lt: new Date(new Date(dateTo).setDate(new Date(dateTo).getDate() + 1)).getTime()

        }

dateFrom = '2020/12/01'

dateTo = '2021/12/01'

/* get all date array with range/*

Array(Math.floor((Number(new Date(dateTo)) - Number(new Date(dateFrom))) / 86400000) + 1)

                    .fill("")

                    .map((_, idx) => (new Date(new Date(dateFrom).getTime() + idx * 86400000)))

/* get max or latest from array object/*

[{time:12},{time:34}, {time:1}, {time:100}].sort((a: any, b: any) => parseFloat(b.time) - parseFloat(a.time))

/* get last 30 day ago date /*

moment(new Date().setDate(new Date().getDate() - 30)).format('YYYY-MM-DD')

/* get total of value of key of object in array /*

[{amount:1},{amount:10}, {amount:30}].reduce((previews: any, current: any) => previews + current.amount, 0);

<br/>

ref= https://stackoverflow.com/questions/63314206/get-the-last-30-days-from-an-array-with-dates