Assuming I have an array of objects structured like this:
const events: Array<{year: number, month: number, date: number}> = [
{year: 2020, month: 10, date: 13},
{year: 2021: month: 3, date: 12},
{year: 2021: month: 9, date: 6},
{year: 2021: month 11, date 23},
]
If I specify a starting point of January 10th, 2021 within the array, how can I create a function that will return all dates from that starting point onward?
If you find yourself needing specific items, consider utilizing the filter method of Array.prototype to isolate them.
When creating a comparison function, I recommend converting each item into a Date Object. This allows for easier comparison by milliseconds, helping identify items that fall after your desired date.
Along with Fabio's response, here is a way to achieve the desired outcome:
function getFilteredDates(datesList: any, startDate: Date) {
return datesList.filter(item => item.year >= startDate.getYear() && item.month >= startDate.getMonth() && item.date >= startDate.getDate())
}
getFilteredDates(arrayOfDates, new Date(2021, 0, 10)) // yields three arrays
This code assumes that months in JavaScript Date class are indexed starting from 0.
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