24 lines
		
	
	
		
			516 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			516 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| let Declaration = require('../declaration')
 | |
| 
 | |
| class BackgroundSize extends Declaration {
 | |
|   /**
 | |
|    * Duplication parameter for -webkit- browsers
 | |
|    */
 | |
|   set(decl, prefix) {
 | |
|     let value = decl.value.toLowerCase()
 | |
|     if (
 | |
|       prefix === '-webkit-' &&
 | |
|       !value.includes(' ') &&
 | |
|       value !== 'contain' &&
 | |
|       value !== 'cover'
 | |
|     ) {
 | |
|       decl.value = decl.value + ' ' + decl.value
 | |
|     }
 | |
|     return super.set(decl, prefix)
 | |
|   }
 | |
| }
 | |
| 
 | |
| BackgroundSize.names = ['background-size']
 | |
| 
 | |
| module.exports = BackgroundSize
 |