feat: Support Chinese dot as decimal separator

Author: dm4t2

src/currencyFormat.ts

@@ -1,7 +1,12 @@
 import { escapeRegExp, substringBefore } from './utils'
 import { CurrencyDisplay, CurrencyInputOptions } from './api'
 
-export const DECIMAL_SEPARATORS = [',', '.', '٫']
+export const DECIMAL_SEPARATORS = [
+  ',', // comma
+  '.', // dot
+  '٫', // Persian Momayyez
+  '。' // Chinese dot
+]
 export const INTEGER_PATTERN = '(0|[1-9]\\d*)'
 
 export default class CurrencyFormat {

tests/unit/currencyFormat.spec.ts

@@ -103,9 +103,10 @@ describe('CurrencyFormat', () => {
     })
   })
 
-  describe('normalizeDecimalSymbol', () => {
-    it('should replace the first decimal symbol with the one of the current locale', () => {
+  describe('normalizeDecimalSeparator', () => {
+    it('should replace the first decimal separator with the one of the current locale', () => {
       expect(new CurrencyFormat({ locale: 'en', currency: 'EUR' }).normalizeDecimalSeparator('1,23,4,567', 2)).toBe('1,23.4,567')
+      expect(new CurrencyFormat({ locale: 'en', currency: 'EUR' }).normalizeDecimalSeparator('1。23', 0)).toBe('1.23')
     })
   })