Exploring the functionality of the Angular 7 date pipe in a more dynamic approach by incorporating it within a template literal using backticks, specifically

I have a value called

changes.lastUpdatedTime.currentValue
which is set to 1540460704884. I am looking to format this value using a pipe for date formatting.

For example, I want to achieve something like this:

{{lastUpdatedTime | date:'short'}}

How can I use the pipe inside the component?

${changes.lastUpdatedTime.currentValue} | date:'short'

I would like to implement something similar to this.

Here is the code snippet:

ngOnChanges(changes: SimpleChanges): void {
    if (changes.typeLabel && changes.cardLabel && changes.severity) {
      this.title = \`[${this.severityName}] ${changes.cardLabel.currentValue}
Type: ${changes.typeLabel.currentValue}
Status changed: ${changes.lastUpdatedTime.currentValue}\`;
    }
  }

I attempted to use the following code but it did not work as expected.

${changes.lastUpdatedTime.currentValue.transform(myDate, 'yyyy-MM-dd')}

Even though I tried the method shown above, it did not yield the desired result.

ngOnChanges(changes: SimpleChanges): void {
    if (changes.typeLabel && changes.cardLabel && changes.severity) {
      let displayedLastUpdatedTime = new DatePipe().transform(changes.lastUpdatedTime.currentValue);
      this.title = `[${this.severityName}] ${changes.cardLabel.currentValue}
Type: ${changes.typeLabel.currentValue}
Status changed: ${displayedLastUpdatedTime}`;
    }
  }

However, executing the above code resulted in the error message

"has no exported member 'DatePipe'"
.

Thank you!

Answer №1

It appears that this is the solution you have been seeking.

import {DatePipe} from '@angular/common';
let output = new DatePipe().transform(input);

You can find a functional example on JsFiddle

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