Parameterized Pipes in Angular

In this article we will learn about Parameterized Pipes in Angular. In parameterized pipes we can pass any number of parameters to the pipe using a colon (:). Please read my previous article Angular Pipe.

What are Parameterized Pipes?

In Angular, we can pass any number of parameters to the pipe using a colon (:) and when we do so, it is called Angular Parameterized Pipes. The syntax to use Parameterized Pipes in Angular Application is given below.

Syntax

{{ data | PipeName : Parameter1,Parameter2 ...... Parametern }}

Date Format with Pipe using Expression

Synatx:

• date_expression is a date object or a number
• date is the name of the pipe
• format is the date and time format string which indicates the format in which date/time components are displayed.

date_expression | date[:format]

export class AppComponent {
  currentDate: Date = new Date();
}

  <p>LongDate : {{currentDate | date:'longDate'}} </p>
  <p>medium : {{currentDate | date:'medium'}} </p>
  <p>mediumDate : {{currentDate | date:'mediumDate'}} </p>
  <p>mediumTime : {{currentDate | date:'mediumTime'}} </p>
  <p>short : {{currentDate | date:'short'}} </p>
  <p>shortDate : {{currentDate | date:'shortDate'}} </p>
  <p>fullDate : {{currentDate | date:'fullDate'}} </p>
  <p>dd-MM-y : {{currentDate | date:'dd-MM-y'}} </p>
  <p>dd-MM-yy HH:mm : {{currentDate | date:'dd-MM-yy HH:mm'}} </p>

If you want to learn more about date pipe, follow this link.

CurrencyPipe

Formats a number as currency using locale rules.

Syntax

number_expression | currency[:currencyCode[:symbolDisplay[:digitInfo]]]

• number_expression currency to format a number as currency.
• Currency is the name of the pipe
• currencyCode is the ISO 4217 currency code, such as USD for the US dollar and EUR for the euro.
• symbolDisplay is a Boolean indicating whether to use the currency symbol or code. Use true to display symbol and false to use code
• digitInfo is similar to the one used in decimal pipe

export class AppComponent {
  value: number= 1021;
}

<p>Unformatted : {{value}} </p>
<p>Currency converted Dollar : {{value | currency }} </p>
<p>Currency converted Rupees : {{value | currency:'INR':true:'4.2-2'}} </p>
<p>Currency converted Euro : {{value | currency:'EUR':true:'4.2-2'}} </p>

Conclusion

In this article we will learnt about Parameterized Pipes in Angular. In parameterized pipes we can pass any number of parameters to the pipe using a colon (:).

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