Typescript moment date difference-CodePudding

Im having several issues using moment to calculate the difference in days. Let me expose my problem:

I have to subtract one date from todays date. For example 28/02/2022 - 21/02/2022. Doing this in this way:

const timeDifference = moment("28/02/2022", "DD/MM/YYYY").diff(moment(moment(), "DD/MM/YYYY"), "days");

This returns 6 days as it doesnt include I believe the last day. Since I need it to include the last day I did the following:

const timeDifference = moment("21/02/2022", "DD/MM/YYYY")
            .add(1, 'days')
            .diff(moment(moment(), "DD/MM/YYYY"), "days");

This now returns 7 days which is what I need.

Now the problem is that I have an if statement which does the following:

if (timeDifference < 0)

Now if timeDifference is todays date it returns 0 but if its 20/02/2022 it also returns 0 due to the .add when I need it to return -1.

I was now trying to do a different approach to do this if by doing

if (moment("20/02/2022") < moment.utc()) {

but this is not working when the date is less than todays date it will enter the if statement.

CodePudding user response：

I believe what you are looking for is this :

moment("28/02/2022", "DD/MM/YYYY").diff(moment().startOf('day'), 'days')

By the way, no need for that double moment() in the diff, ass diff takes moment instance what ever the source.