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50 lines
1.0 KiB
50 lines
1.0 KiB
2 years ago
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let flexSpec = require('./flex-spec')
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let Declaration = require('../declaration')
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class AlignContent extends Declaration {
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/**
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* Change property name for 2012 spec
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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 === 2012) {
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return prefix + 'flex-line-pack'
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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-content'
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}
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/**
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* Change value for 2012 spec and ignore prefix for 2009
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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 === 2012) {
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decl.value = AlignContent.oldValues[decl.value] || decl.value
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return super.set(decl, prefix)
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}
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if (spec === 'final') {
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return super.set(decl, prefix)
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}
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return undefined
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}
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}
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AlignContent.names = ['align-content', 'flex-line-pack']
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AlignContent.oldValues = {
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'flex-end': 'end',
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'flex-start': 'start',
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'space-between': 'justify',
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'space-around': 'distribute'
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}
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module.exports = AlignContent
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