on.ts
330 Bytes
import { warn } from 'core/util/index'
import { ASTDirective, ASTElement } from 'types/compiler'
export default function on(el: ASTElement, dir: ASTDirective) {
if (__DEV__ && dir.modifiers) {
warn(`v-on without argument does not support modifiers.`)
}
el.wrapListeners = (code: string) => `_g(${code},${dir.value})`
}