formatPhoneNumber

Author: alexanbj

packages/format/src/format.test.ts

@@ -1,8 +1,21 @@
 import { describe, expect, test } from 'vitest';
-import { formatOrganizationNumber as formatOrganizationNumberNo } from './no';
-import { formatOrganizationNumber as formatOrganizationNumberSe } from './se';
+import {
+  formatOrganizationNumber as formatOrganizationNumberNo,
+  formatPhoneNumber as formatPhoneNumberNo,
+} from './no';
+import {
+  formatOrganizationNumber as formatOrganizationNumberSe,
+  formatPhoneNumber as formatPhoneNumberSe,
+} from './se';
 
 describe('no', () => {
+  test.each([
+    ['22865500', '22 86 55 00'],
+    ['80000000', '800 00 000'],
+  ])('formatPhoneNumber(%s) -> %s', (input, expected) => {
+    expect(formatPhoneNumberNo(input)).toBe(expected);
+  });
+
   test.each([
     ['000000000', '000 000 000'],
     ['000 000 000', '000 000 000'],
@@ -14,6 +27,13 @@ describe('no', () => {
 });
 
 describe('se', () => {
+  test.each([
+    ['0701234567', '070-123 45 67'],
+    ['0801234567', '070-123 45 67'],
+  ])('formatPhoneNumber(%s) -> %s', (input, expected) => {
+    expect(formatPhoneNumberSe(input)).toBe(expected);
+  });
+
   test.each([
     ['0000000000', '000000-0000'],
     ['000000-0000', '000000-0000'],

packages/format/src/no.ts

@@ -1,5 +1,7 @@
 import { replaceIfMatch } from './utils';
 
+// Regular phone number format is: 00 00 00 00
+// if the number starts with 8, it's an 800-series number, with the format: 800 00 000
 // See https://sprakradet.no/godt-og-korrekt-sprak/rettskriving-og-grammatikk/tall-tid-dato/
 const REGULAR_PHONE_NUMBER_FORMAT = /^(\d{2})(\d{2})(\d{2})(\d{2})$/;
 const EIGHT_HUNDRED_SERIES_PHONE_NUMBER_FORMAT = /^(\d{3})(\d{2})(\d{3})$/;
@@ -12,12 +14,20 @@ const EIGHT_HUNDRED_SERIES_PHONE_NUMBER_FORMAT = /^(\d{3})(\d{2})(\d{3})$/;
  * formatPhoneNumber('80000000') // => '800 00 000'
  * ```
  */
-export function formatPhoneNumber(number: string): string {
-  if (number.startsWith('8')) {
-    return number.replace(EIGHT_HUNDRED_SERIES_PHONE_NUMBER_FORMAT, '$1 $2 $3');
-  }
+export function formatPhoneNumber(input: string): string {
+  const number = replaceIfMatch(
+    input,
+    REGULAR_PHONE_NUMBER_FORMAT,
+    '$1 $2 $3 $4',
+  );
 
-  return number.replace(DEFAULT_PHONE_NUMBER_FORMAT, '$1 $2 $3 $4');
+  return number.startsWith('8')
+    ? replaceIfMatch(
+        number,
+        EIGHT_HUNDRED_SERIES_PHONE_NUMBER_FORMAT,
+        '$1 $2 $3',
+      )
+    : number;
 }
 
 const ORG_NUMBER_FORMAT = /^(\d{3})(\d{3})(\d{3})$/;

packages/format/src/se.ts

@@ -1,5 +1,24 @@
 import { replaceIfMatch } from './utils';
 
+const PHONE_NUMBER_FORMAT = /^(\d{3})(\d{3})(\d{2,3})$/;
+const MOBILE_PHONE_NUMBER_FORMAT = /^(07\d)(\d{3})(\d{2})(\d{2})$/;
+/**
+ * Format a phone number
+ * @example
+ * ```
+ * formatPhoneNumber('07012345678') // => '070-123 45 678'
+ * ```
+ */
+export function formatPhoneNumber(input: string): string {
+  return replaceIfMatch(input, MOBILE_PHONE_NUMBER_FORMAT, '$1-$2 $3 $4');
+
+  if (number.length === 10) {
+    return number.replace(PHONE_NUMBER_FORMAT_LONG, '$1 $2 $3 $4');
+  }
+
+  return number.replace(PHONE_NUMBER_FORMAT, '$1 $2 $3');
+}
+
 const ORG_NUMBER_FORMAT = /^(\d{6})(\d{4})$/;
 
 /**