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							40 lines
						
					
					
						
							857 B
						
					
					
				
			
		
		
	
	
							40 lines
						
					
					
						
							857 B
						
					
					
				let Declaration = require('../declaration') | 
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class BlockLogical extends Declaration { | 
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  /** | 
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   * Use old syntax for -moz- and -webkit- | 
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   */ | 
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  prefixed(prop, prefix) { | 
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    if (prop.includes('-start')) { | 
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      return prefix + prop.replace('-block-start', '-before') | 
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    } | 
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    return prefix + prop.replace('-block-end', '-after') | 
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  } | 
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  /** | 
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   * Return property name by spec | 
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   */ | 
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  normalize(prop) { | 
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    if (prop.includes('-before')) { | 
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      return prop.replace('-before', '-block-start') | 
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    } | 
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    return prop.replace('-after', '-block-end') | 
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  } | 
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} | 
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BlockLogical.names = [ | 
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  'border-block-start', | 
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  'border-block-end', | 
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  'margin-block-start', | 
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  'margin-block-end', | 
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  'padding-block-start', | 
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  'padding-block-end', | 
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  'border-before', | 
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  'border-after', | 
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  'margin-before', | 
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  'margin-after', | 
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  'padding-before', | 
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  'padding-after' | 
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] | 
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 | 
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module.exports = BlockLogical
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