62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| let OldValue = require('../old-value')
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| let Value = require('../value')
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| 
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| function regexp(name) {
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|   return new RegExp(`(^|[\\s,(])(${name}($|[\\s),]))`, 'gi')
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| }
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| 
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| class Intrinsic extends Value {
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|   add(decl, prefix) {
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|     if (decl.prop.includes('grid') && prefix !== '-webkit-') {
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|       return undefined
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|     }
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|     return super.add(decl, prefix)
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|   }
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| 
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|   isStretch() {
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|     return (
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|       this.name === 'stretch' ||
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|       this.name === 'fill' ||
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|       this.name === 'fill-available'
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|     )
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|   }
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| 
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|   old(prefix) {
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|     let prefixed = prefix + this.name
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|     if (this.isStretch()) {
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|       if (prefix === '-moz-') {
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|         prefixed = '-moz-available'
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|       } else if (prefix === '-webkit-') {
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|         prefixed = '-webkit-fill-available'
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|       }
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|     }
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|     return new OldValue(this.name, prefixed, prefixed, regexp(prefixed))
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|   }
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| 
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|   regexp() {
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|     if (!this.regexpCache) this.regexpCache = regexp(this.name)
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|     return this.regexpCache
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|   }
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| 
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|   replace(string, prefix) {
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|     if (prefix === '-moz-' && this.isStretch()) {
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|       return string.replace(this.regexp(), '$1-moz-available$3')
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|     }
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|     if (prefix === '-webkit-' && this.isStretch()) {
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|       return string.replace(this.regexp(), '$1-webkit-fill-available$3')
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|     }
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|     return super.replace(string, prefix)
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|   }
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| }
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| 
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| Intrinsic.names = [
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|   'max-content',
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|   'min-content',
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|   'fit-content',
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|   'fill',
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|   'fill-available',
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|   'stretch'
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| ]
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| 
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| module.exports = Intrinsic
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