test(string): hideString添加replacementLen选项，支持替换字符不等于实际字符数量

Author: mengxinssfd

__tests__/string.test.ts

@@ -197,6 +197,10 @@ describe('string', function () {
       expect(hideString('👨‍👨‍👧‍👦helloworld👨‍👨‍👧‍👦', { start: 1, end: -1 })).toBe('👨‍👨‍👧‍👦**********👨‍👨‍👧‍👦');
       expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { start: 1, end: -1 })).toBe('👨‍👨‍👧‍👦***********👨‍👨‍👧‍👦');
       expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { start: -12, end: -1 })).toBe('👨‍👨‍👧‍👦***********👨‍👨‍👧‍👦');
+
+      expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { start: -12, end: -1, replacementLen: 1 })).toBe(
+        '👨‍👨‍👧‍👦*👨‍👨‍👧‍👦',
+      );
     });
 
     it('start,len', () => {
@@ -213,6 +217,10 @@ describe('string', function () {
 
       expect(hideString('👨‍👨‍👧‍👦helloworld👨‍👨‍👧‍👦', { start: 1, len: 10 })).toBe('👨‍👨‍👧‍👦**********👨‍👨‍👧‍👦');
       expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { start: 1, len: 11 })).toBe('👨‍👨‍👧‍👦***********👨‍👨‍👧‍👦');
+
+      expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { start: 1, len: 11, replacementLen: 1 })).toBe(
+        '👨‍👨‍👧‍👦*👨‍👨‍👧‍👦',
+      );
     });
     it('len,end', () => {
       expect(hideString('helloworld')).toBe('**********');
@@ -225,6 +233,8 @@ describe('string', function () {
 
       expect(hideString('👨‍👨‍👧‍👦helloworld👨‍👨‍👧‍👦', { len: 10, end: -1 })).toBe('👨‍👨‍👧‍👦**********👨‍👨‍👧‍👦');
       expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { len: 11, end: -1 })).toBe('👨‍👨‍👧‍👦***********👨‍👨‍👧‍👦');
+
+      expect(hideString('👨‍👨‍👧‍👦hello👨‍👨‍👧world👨‍👨‍👧‍👦', { len: 11, end: -1, replacementLen: 1 })).toBe('👨‍👨‍👧‍👦*👨‍👨‍👧‍👦');
     });
   });
   test('getClassNames', () => {