Rework numberFormat() to maintain decimal precision by default.

This commit is contained in:
Jeff Stieler 2019-01-16 18:40:45 -07:00
parent 4bf7a79a84
commit 858ec82e8c
2 changed files with 26 additions and 7 deletions

View File

@ -10,10 +10,11 @@ const number_format = require( 'locutus/php/strings/number_format' );
*
* @see https://locutus.io/php/strings/number_format/
* @param {Number|String} number number to format
* @param {int|null} [precision=null] optional decimal precision
* @returns {?String} A formatted string.
*/
export function numberFormat( number ) {
export function numberFormat( number, precision = null ) {
if ( 'number' !== typeof number ) {
number = parseFloat( number );
}
@ -22,9 +23,24 @@ export function numberFormat( number ) {
return '';
}
const precision = get( wcSettings, [ 'currency', 'precision' ], 2 );
const decimalSeparator = get( wcSettings, [ 'currency', 'decimal_separator' ], '.' );
const thousandSeparator = get( wcSettings, [ 'currency', 'thousand_separator' ], ',' );
if ( null === precision ) {
const [ numberNoDecimals, decimals ] = number.toString().split( '.' );
const formattedNumber = number_format(
numberNoDecimals,
0,
decimalSeparator,
thousandSeparator
);
if ( decimals ) {
return formattedNumber + decimalSeparator + decimals;
}
return formattedNumber;
}
return number_format( number, precision, decimalSeparator, thousandSeparator );
}

View File

@ -5,8 +5,8 @@
import { numberFormat } from '../index';
describe( 'numberFormat', () => {
it( 'should default to precision=2 decimal=. thousands=,', () => {
expect( numberFormat( 1000 ) ).toBe( '1,000.00' );
it( 'should default to precision=null decimal=. thousands=,', () => {
expect( numberFormat( 1000 ) ).toBe( '1,000' );
} );
it( 'should return an empty string if no argument is passed', () => {
@ -14,15 +14,18 @@ describe( 'numberFormat', () => {
} );
it( 'should accept a string', () => {
expect( numberFormat( '10000' ) ).toBe( '10,000.00' );
expect( numberFormat( '10000' ) ).toBe( '10,000' );
} );
it( 'maintains all decimals if no precision specified', () => {
expect( numberFormat( '10000.123456' ) ).toBe( '10,000.123456' );
} );
it( 'uses store currency settings, not locale', () => {
global.wcSettings.siteLocale = 'en-US';
global.wcSettings.currency.precision = 3;
global.wcSettings.currency.decimal_separator = ',';
global.wcSettings.currency.thousand_separator = '.';
expect( numberFormat( '12345.6789' ) ).toBe( '12.345,679' );
expect( numberFormat( '12345.6789', 3 ) ).toBe( '12.345,679' );
} );
} );