overscroll-behavior.js•677 B
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