55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
| /*
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|  * Copyright 2025 coze-dev Authors
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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|  
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| import { findNearestAnchor } from '../src/utils/helper/find-nearest-link-node';
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| 
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| describe('findNearestAnchor', () => {
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|   // 设置 DOM 环境
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|   document.body.innerHTML = `
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|     <div>
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|       <a id="anchor1" href="#">
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|         <span id="spanInsideAnchor">Text inside anchor</span>
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|       </a>
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|     </div>
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|     <div>
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|       <span id="spanOutsideAnchor">Text outside anchor</span>
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|     </div>
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|     <a id="anchor2" href="#">Another anchor</a>
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|   `;
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| 
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|   const spanInsideAnchor = document.getElementById('spanInsideAnchor') as Node;
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|   const spanOutsideAnchor = document.getElementById(
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|     'spanOutsideAnchor',
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|   ) as Node;
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|   const anchor1 = document.getElementById('anchor1') as Node;
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|   const anchor2 = document.getElementById('anchor2') as Node;
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| 
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|   it('should return the nearest anchor node when called from a descendant node', () => {
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|     const result = findNearestAnchor(spanInsideAnchor);
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|     expect(result).toBe(anchor1);
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|   });
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| 
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|   it('should return the node itself if it is an anchor', () => {
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|     const result = findNearestAnchor(anchor2);
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|     expect(result).toBe(anchor2);
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|   });
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| 
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|   it('should return null if there is no anchor ancestor', () => {
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|     const result = findNearestAnchor(spanOutsideAnchor);
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|     expect(result).toBeNull();
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|   });
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| });
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