| let Declaration = require('../declaration') | |
| class OverscrollBehavior extends Declaration { | |
| /** | |
| * Return property name by spec | |
| */ | |
| normalize() { | |
| return 'overscroll-behavior' | |
| } | |
| /** | |
| * Change property name for IE | |
| */ | |
| prefixed(prop, prefix) { | |
| return prefix + 'scroll-chaining' | |
| } | |
| /** | |
| * Change value for IE | |
| */ | |
| set(decl, prefix) { | |
| if (decl.value === 'auto') { | |
| decl.value = 'chained' | |
| } else if (decl.value === 'none' || decl.value === 'contain') { | |
| decl.value = 'none' | |
| } | |
| return super.set(decl, prefix) | |
| } | |
| } | |
| OverscrollBehavior.names = ['overscroll-behavior', 'scroll-chaining'] | |
| module.exports = OverscrollBehavior | |