Count Age

This tool counts differences between dates

Install

npm i count-age

Usage:

1import { countAge } from "count-age";
2
3const myAge = countAge('2000-01-01T09:30:00.000Z');

I/O expectations

INPUT

Function can be provided by one input date or two.

• If this will be provided only first date, second will be defined as now and function will count difference between input date and now .
• If this will be provided two dates, function will count difference between provided dates.

Input dates can be string for date creation, timestamp number, or instance of next object:

1type DateProps = {
2  years: number;
3  months: number;
4  days: number;
5  hours?: number;
6  minutes?: number;
7  seconds?: number;
8};

OUTPUT

This function anyway returns object with status and message.

1enum STATUS {
2  SUCCESS = 'SUCCESS',
3  ERROR = 'ERROR',
4}

1// error messages
2enum MESSAGE {
3    invalid = 'Invalid Date',
4    startBiggerEnd = 'Start date is bigger than end date',
5}
6
7// success message
8type templeteSuccessMessage = '{{ count }} year(s), {{ count }} month(s), {{ count }} day(s), {{ count }} hour(s), {{ count }} minute(s), {{ count }} second(s) have passed between dates: {{ date-start }} - {{ date-end }}'

Success result object also contains field result:

1type result = {
2    difference: { 
3        years: number;
4        months: number;
5        days: number;
6        hours: number;
7        minutes: number;
8        seconds: number;
9    };
10    startDate: string;
11    endDate: string;
12}