Element UI version
2.4.0
OS/Browsers version
macOS Sierra / Google Chrome 66.0.3359.181
Vue version
2.5.16
Reproduction Link
https://jsfiddle.net/guoyunfeng/5ooz4tp0/
Steps to reproduce
'selectWhenUnmatched' Already existed in Line 48,but here is another one in Line 60,so that will make an error by tslint
What is Expected?
Remove the repeated one
What is actually happening?
Duplicate identifier