A really simple, lightweight Angular pipe for converting a date string into a time ago
| Time Range | Output |
|---|---|
| 0 - 45 seconds | a few seconds ago |
| 45 - 90 seconds | a minute ago |
| 90 seconds - 45 minutes | X minutes ago |
| 45 - 90 minutes | an hour ago |
| 90 minutes - 22 hours | X hours ago |
| 22 - 36 hours | a day ago |
| 36 hours - 25 days | X days ago |
| 25 - 45 days | a month ago |
| 45 - 345 days | X months ago |
| 345 - 545 days (1.5 years) | a year ago |
| 546 days+ | X years ago |
npm install time-ago-pipe --save
It can be imported into your angular project, as you would for any other library.
In the @NgModule you want to use it in
import {TimeAgoPipe} from 'time-ago-pipe';
add "TimeAgoPipe" to your declarations
@NgModule({
imports: [... etc ...],
declarations: [..., TimeAgoPipe, ... ]
})
In your component templates you can just do:
<span>{{your_date | timeAgo}}</span>
where "your_date" is a local date string, which could be parsed by the standard Js Date()
If this value is null or not parsable as a date, then the pipe will display nothing
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