| let Declaration = require('../declaration') | |
| class BackgroundSize extends Declaration { | |
| /** | |
| * Duplication parameter for -webkit- browsers | |
| */ | |
| set(decl, prefix) { | |
| let value = decl.value.toLowerCase() | |
| if ( | |
| prefix === '-webkit-' && | |
| !value.includes(' ') && | |
| value !== 'contain' && | |
| value !== 'cover' | |
| ) { | |
| decl.value = decl.value + ' ' + decl.value | |
| } | |
| return super.set(decl, prefix) | |
| } | |
| } | |
| BackgroundSize.names = ['background-size'] | |
| module.exports = BackgroundSize | |