mirror of https://github.com/vuejs/vue.git
25 lines
481 B
JavaScript
25 lines
481 B
JavaScript
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function updateProps (oldVnode, vnode) {
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let key, cur, old
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const elm = vnode.elm
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const oldProps = oldVnode.data.props || {}
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const props = vnode.data.props || {}
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for (key in oldProps) {
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if (!props[key]) {
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delete elm[key]
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}
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}
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for (key in props) {
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cur = props[key]
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old = oldProps[key]
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if (old !== cur && (key !== 'value' || elm[key] !== cur)) {
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elm[key] = cur
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}
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}
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}
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export default {
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create: updateProps,
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update: updateProps
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}
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