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red_de_investigacion_front/node_modules/vue-click-outside/index.js
T
DanielRamirezGe 5eecfbf6cd first commit
2020-01-14 20:43:08 -06:00

69 lines
1.9 KiB
JavaScript

function validate(binding) {
if (typeof binding.value !== 'function') {
console.warn('[Vue-click-outside:] provided expression', binding.expression, 'is not a function.')
return false
}
return true
}
function isPopup(popupItem, elements) {
if (!popupItem || !elements)
return false
for (var i = 0, len = elements.length; i < len; i++) {
try {
if (popupItem.contains(elements[i])) {
return true
}
if (elements[i].contains(popupItem)) {
return false
}
} catch(e) {
return false
}
}
return false
}
function isServer(vNode) {
return typeof vNode.componentInstance !== 'undefined' && vNode.componentInstance.$isServer
}
exports = module.exports = {
bind: function (el, binding, vNode) {
if (!validate(binding)) return
// Define Handler and cache it on the element
function handler(e) {
if (!vNode.context) return
// some components may have related popup item, on which we shall prevent the click outside event handler.
var elements = e.path || (e.composedPath && e.composedPath())
elements && elements.length > 0 && elements.unshift(e.target)
if (el.contains(e.target) || isPopup(vNode.context.popupItem, elements)) return
el.__vueClickOutside__.callback(e)
}
// add Event Listeners
el.__vueClickOutside__ = {
handler: handler,
callback: binding.value
}
!isServer(vNode) && document.addEventListener('click', handler)
},
update: function (el, binding) {
if (validate(binding)) el.__vueClickOutside__.callback = binding.value
},
unbind: function (el, binding, vNode) {
// Remove Event Listeners
!isServer(vNode) && document.removeEventListener('click', el.__vueClickOutside__.handler)
delete el.__vueClickOutside__
}
}