Angular2 Pipe - Currency code

Question

Angular2 Pipe - Currency code

Within the realm of angular2, pipes are utilized to format numbers. For instance:

{{selectedTeam.teamSalary | currency: 'USD':true}}

This results in an output like $152,524,668.00

The documentation on Angular2 Pipes lacks specific details, leading me to question if there is a method (using angular2 pipes) to convert a number such as $152,524,668.00 to $152.5m?

While this query provides code for achieving it, I am seeking a more Angular2-specific approach (if available).

Convert long number into abbreviated string in JavaScript, with a special shortness requirement

javascript angularjs angular typescript

Answer 1

Answer №1

Unfortunately, there is no pre-built pipe available for the specific task you are trying to accomplish. However, as previously recommended by @Rob, creating your own custom pipe is a relatively straightforward process.

A pipe essentially consists of a class that includes a transform method responsible for taking an input and converting it into a desired output. The solution provided in the referenced question summarizes the necessary logic required for the conversion operation. The recommended approach within the Angular framework is to encapsulate this logic within a custom pipe.

@Pipe({ name: 'myCustomPipe' })
export class CustomPipe implements PipeTransform {

   transform(value: number): string {
    let newValue = value;
    if (value >= 1000) {
        const suffixes = ["", "k", "m", "b","t"];
        const suffixNum = Math.floor( (""+value).length/3 );
        let shortValue = '';
        for (let precision = 2; precision >= 1; precision--) {
            shortValue = parseFloat( (suffixNum != 0 ? (value / Math.pow(1000,suffixNum) ) : value).toPrecision(precision));
            const dotLessShortValue = (shortValue + '').replace(/[^a-zA-Z 0-9]+/g,'');
            if (dotLessShortValue.length <= 2) { break; }
        }
        if (shortValue % 1 !== 0)  shortNum = shortValue.toFixed(1);
        newValue = shortValue + suffixes[suffixNum];
    }
    return newValue;
   }
 }

Answer 2

Unfortunately, there is no pre-built pipe available for the specific task you are trying to accomplish. However, as previously recommended by @Rob, creating your own custom pipe is a relatively straightforward process.

A pipe essentially consists of a class that includes a transform method responsible for taking an input and converting it into a desired output. The solution provided in the referenced question summarizes the necessary logic required for the conversion operation. The recommended approach within the Angular framework is to encapsulate this logic within a custom pipe.

@Pipe({ name: 'myCustomPipe' })
export class CustomPipe implements PipeTransform {

   transform(value: number): string {
    let newValue = value;
    if (value >= 1000) {
        const suffixes = ["", "k", "m", "b","t"];
        const suffixNum = Math.floor( (""+value).length/3 );
        let shortValue = '';
        for (let precision = 2; precision >= 1; precision--) {
            shortValue = parseFloat( (suffixNum != 0 ? (value / Math.pow(1000,suffixNum) ) : value).toPrecision(precision));
            const dotLessShortValue = (shortValue + '').replace(/[^a-zA-Z 0-9]+/g,'');
            if (dotLessShortValue.length <= 2) { break; }
        }
        if (shortValue % 1 !== 0)  shortNum = shortValue.toFixed(1);
        newValue = shortValue + suffixes[suffixNum];
    }
    return newValue;
   }
 }

Angular2 Pipe - Currency code

Answer №1

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