57 lines
1.1 KiB
JavaScript
57 lines
1.1 KiB
JavaScript
let flexSpec = require('./flex-spec')
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let Declaration = require('../declaration')
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class AlignSelf extends Declaration {
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check(decl) {
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return (
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decl.parent &&
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!decl.parent.some(i => {
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return i.prop && i.prop.startsWith('grid-')
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})
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)
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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-self'
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}
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/**
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* Change property name for 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 === 2012) {
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return prefix + 'flex-item-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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* 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 = AlignSelf.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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AlignSelf.names = ['align-self', 'flex-item-align']
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AlignSelf.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 = AlignSelf
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