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[Improvement] NoticeBar: add ref check (#1037)

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neverland 2018-05-10 20:41:15 +08:00 committed by GitHub
parent a92fa7d4a8
commit 8424b51aff
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1 changed files with 7 additions and 2 deletions
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9
packages/notice-bar/index.vue
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@ -90,8 +90,13 @@ export default create({
text: { text: {
handler() { handler() {
this.$nextTick(() => { this.$nextTick(() => {
const offsetWidth = this.$refs.content.getBoundingClientRect().width; const { wrap, content } = this.$refs;
const wrapWidth = this.$refs.wrap.getBoundingClientRect().width; if (!wrap || !content) {
return;
}
const wrapWidth = wrap.getBoundingClientRect().width;
const offsetWidth = content.getBoundingClientRect().width;
if (this.scrollable && offsetWidth > wrapWidth) { if (this.scrollable && offsetWidth > wrapWidth) {
this.wrapWidth = wrapWidth; this.wrapWidth = wrapWidth;
this.offsetWidth = offsetWidth; this.offsetWidth = offsetWidth;