Created
October 18, 2019 14:54
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Directive for Handling outside clicks for Vue Components
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function findElement(element, vnode = null) { | |
if (vnode) { | |
return vnode.context.$refs[element]; | |
} | |
return document.querySelector(`#${element}`); | |
} | |
function elementContainsEvent(event, element, vnode = null) { | |
const domElement = findElement(element, vnode); | |
return domElement && domElement.contains(event.target); | |
} | |
export default function(Vue) { | |
let handleOutsideClick; | |
Vue.directive('click-outside', { | |
bind (el, binding, vnode) { | |
handleOutsideClick = (e) => { | |
e.stopPropagation(); | |
const { handler, exclude = [], excludeGlobal = [] } = binding.value; | |
let clickedOnExcludedElement = | |
exclude.some(element => elementContainsEvent(e, element, vnode)) || | |
excludeGlobal.some(element => elementContainsEvent(e, element)); | |
if (!el.contains(e.target) && !clickedOnExcludedElement) { | |
handler.call(vnode.context); | |
} | |
}; | |
document.addEventListener('click', handleOutsideClick); | |
document.addEventListener('touchstart', handleOutsideClick); | |
}, | |
unbind () { | |
document.removeEventListener('click', handleOutsideClick); | |
document.removeEventListener('touchstart', handleOutsideClick); | |
} | |
}); | |
} |
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