34 lines
		
	
	
		
			677 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			677 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
let Declaration = require('../declaration')
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class OverscrollBehavior extends Declaration {
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  /**
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   * Return property name by spec
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   */
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  normalize() {
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    return 'overscroll-behavior'
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  }
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  /**
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   * Change property name for IE
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   */
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  prefixed(prop, prefix) {
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    return prefix + 'scroll-chaining'
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  }
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  /**
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   * Change value for IE
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   */
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  set(decl, prefix) {
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    if (decl.value === 'auto') {
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      decl.value = 'chained'
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    } else if (decl.value === 'none' || decl.value === 'contain') {
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      decl.value = 'none'
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    }
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    return super.set(decl, prefix)
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  }
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}
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OverscrollBehavior.names = ['overscroll-behavior', 'scroll-chaining']
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module.exports = OverscrollBehavior
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