aaac7fed
 liuqimichale
add
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/* @flow */
import { warn } from 'core/util/index'
export * from './attrs'
export * from './class'
export * from './element'
/**
* Query an element selector if it's not an element already.
*/
export function query (el: string | Element): Element {
if (typeof el === 'string') {
const selected = document.querySelector(el)
if (!selected) {
process.env.NODE_ENV !== 'production' && warn(
'Cannot find element: ' + el
)
return document.createElement('div')
}
return selected
} else {
return el
}
}
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