47 lines
971 B
JavaScript
47 lines
971 B
JavaScript
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let flexSpec = require('./flex-spec')
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let Declaration = require('../declaration')
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class AlignItems extends Declaration {
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/**
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* Change property name for 2009 and 2012 specs
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*/
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prefixed (prop, prefix) {
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let spec
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;[spec, prefix] = flexSpec(prefix)
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if (spec === 2009) {
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return prefix + 'box-align'
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}
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if (spec === 2012) {
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return prefix + 'flex-align'
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}
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return super.prefixed(prop, prefix)
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}
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/**
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* Return property name by final spec
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*/
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normalize () {
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return 'align-items'
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}
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/**
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* Change value for 2009 and 2012 specs
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*/
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set (decl, prefix) {
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let spec = flexSpec(prefix)[0]
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if (spec === 2009 || spec === 2012) {
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decl.value = AlignItems.oldValues[decl.value] || decl.value
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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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AlignItems.names = ['align-items', 'flex-align', 'box-align']
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AlignItems.oldValues = {
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'flex-end': 'end',
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'flex-start': 'start'
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}
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module.exports = AlignItems
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