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fix(scrollbar): add some guard statement for $refs access

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This commit is contained in:
07akioni 2019-07-31 17:41:49 +08:00
parent 8fd1cdb694
commit f3bea75a3d
1 changed files with 12 additions and 6 deletions
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18
packages/common/Scrollbar/src/main.vue
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@ -218,17 +218,23 @@ export default {
this.updateScrollParameters()
},
updateScrollParameters () {
this.containerScrollTop = this.$refs.scrollContainer.scrollTop
this.containerScrollLeft = this.$refs.scrollContainer.scrollLeft
if (this.$refs.scrollContainer) {
this.containerScrollTop = this.$refs.scrollContainer.scrollTop
this.containerScrollLeft = this.$refs.scrollContainer.scrollLeft
}
},
updatePositionParameters () {
/**
* Don't use getClientBoundingRect because element may be scale transformed
*/
this.contentHeight = this.$refs.scrollContent.offsetHeight
this.contentWidth = this.$refs.scrollContent.offsetWidth
this.containerHeight = this.$refs.scrollContainer.offsetHeight
this.containerWidth = this.$refs.scrollContainer.offsetWidth
if (this.$refs.scrollContent) {
this.contentHeight = this.$refs.scrollContent.offsetHeight
this.contentWidth = this.$refs.scrollContent.offsetWidth
}
if (this.$refs.scrollContainer) {
this.containerHeight = this.$refs.scrollContainer.offsetHeight
this.containerWidth = this.$refs.scrollContainer.offsetWidth
}
},
updateParameters () {
this.updatePositionParameters()