name : align-content.js 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