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