From 035ec85efd9641956fe24d87dac702f5b67c76cd Mon Sep 17 00:00:00 2001
From: Utopia <greatauk11@gmail.com>
Date: Fri, 24 May 2024 14:20:21 +0800
Subject: [PATCH] feat: new function - desensitizePhone

---
 README.md                                   |  1 +
 packages/core/src/stringDesensitize.test.ts | 10 ++++++++--
 packages/core/src/stringDesensitize.ts      | 19 +++++++++++++++++++
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 2ff13b7..448de83 100644
--- a/README.md
+++ b/README.md
@@ -131,6 +131,7 @@ pnpm add @utopia-utils/dom
 * formatterPhoneNumber: 手机号格式化。[source](https://github.com/GreatAuk/utopia-utils/blob/main/packages/core/src/stringFormatter.ts)
 * formatterIdCard: 身份证呈格式化。[source](https://github.com/GreatAuk/utopia-utils/blob/main/packages/core/src/stringFormatter.ts)
 * desensitizeName: 姓名脱敏。[source](https://github.com/GreatAuk/utopia-utils/blob/main/packages/core/src/stringDesensitize.ts)
+* desensitizePhone: 手机号脱敏。[source](https://github.com/GreatAuk/utopia-utils/blob/main/packages/core/src/stringDesensitize.ts)
 
 ### 类型判断
 
diff --git a/packages/core/src/stringDesensitize.test.ts b/packages/core/src/stringDesensitize.test.ts
index 529c0d3..caa024b 100644
--- a/packages/core/src/stringDesensitize.test.ts
+++ b/packages/core/src/stringDesensitize.test.ts
@@ -1,6 +1,6 @@
-import { describe, expect, vi } from 'vitest'
+import { describe, expect, it } from 'vitest'
 
-import { desensitizeName } from './stringDesensitize'
+import { desensitizeName, desensitizePhone } from './stringDesensitize'
 
 describe('stringDesensitize', () => {
   it('desensitizeName', () => {
@@ -12,4 +12,10 @@ describe('stringDesensitize', () => {
     expect(desensitizeName('张二三丰')).toMatchInlineSnapshot(`"张**丰"`)
     expect(desensitizeName('张二三四丰')).toMatchInlineSnapshot(`"张***丰"`)
   })
+
+  it('desensitizePhone', () => {
+    expect(desensitizePhone()).toBeUndefined()
+    expect(desensitizePhone('')).toBe('')
+    expect(desensitizePhone('12345678910')).toMatchInlineSnapshot(`"123****8910"`)
+  })
 })
diff --git a/packages/core/src/stringDesensitize.ts b/packages/core/src/stringDesensitize.ts
index 20ad726..441eda9 100644
--- a/packages/core/src/stringDesensitize.ts
+++ b/packages/core/src/stringDesensitize.ts
@@ -29,3 +29,22 @@ export function desensitizeName(name?: string) {
 
   return name[0] + '*'.repeat(length - 2) + name[length - 1]
 }
+
+/**
+ * Desensitizes a phone number by replacing the middle digits with asterisks.
+ * @param phone - The phone number to desensitize.
+ * @returns The desensitized phone number.
+ * @example
+ * ```ts
+ * desensitizePhone('12345678910') // '123****8910'
+ * desensitizePhone('') // ''
+ * desensitizePhone(undefined) // undefined
+ * ```
+ * @linkcode https://github.com/GreatAuk/utopia-utils/blob/main/packages/core/src/stringDesensitize.ts
+ */
+export function desensitizePhone(phone?: string) {
+  if (!isString(phone))
+    return phone
+
+  return phone.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2')
+}