hugoWebsite/node_modules/autoprefixer/lib/hacks/align-content.js

50 lines
1.0 KiB
JavaScript

let flexSpec = require('./flex-spec')
let Declaration = require('../declaration')
class AlignContent extends Declaration {
/**
* Change property name for 2012 spec
*/
prefixed(prop, prefix) {
let spec
;[spec, prefix] = flexSpec(prefix)
if (spec === 2012) {
return prefix + 'flex-line-pack'
}
return super.prefixed(prop, prefix)
}
/**
* Return property name by final spec
*/
normalize() {
return 'align-content'
}
/**
* Change value for 2012 spec and ignore prefix for 2009
*/
set(decl, prefix) {
let spec = flexSpec(prefix)[0]
if (spec === 2012) {
decl.value = AlignContent.oldValues[decl.value] || decl.value
return super.set(decl, prefix)
}
if (spec === 'final') {
return super.set(decl, prefix)
}
return undefined
}
}
AlignContent.names = ['align-content', 'flex-line-pack']
AlignContent.oldValues = {
'flex-end': 'end',
'flex-start': 'start',
'space-between': 'justify',
'space-around': 'distribute'
}
module.exports = AlignContent