align-items.js•968 B
let Declaration = require('../declaration')
let flexSpec = require('./flex-spec')
class AlignItems extends Declaration {
/**
* Return property name by final spec
*/
normalize() {
return 'align-items'
}
/**
* Change property name for 2009 and 2012 specs
*/
prefixed(prop, prefix) {
let spec
;[spec, prefix] = flexSpec(prefix)
if (spec === 2009) {
return prefix + 'box-align'
}
if (spec === 2012) {
return prefix + 'flex-align'
}
return super.prefixed(prop, prefix)
}
/**
* Change value for 2009 and 2012 specs
*/
set(decl, prefix) {
let spec = flexSpec(prefix)[0]
if (spec === 2009 || spec === 2012) {
decl.value = AlignItems.oldValues[decl.value] || decl.value
}
return super.set(decl, prefix)
}
}
AlignItems.names = ['align-items', 'flex-align', 'box-align']
AlignItems.oldValues = {
'flex-end': 'end',
'flex-start': 'start'
}
module.exports = AlignItems