click-out.js
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import { extend } from '../vue';
import { EVENT_OPTIONS_NO_CAPTURE } from '../constants/events';
import { contains } from '../utils/dom';
import { eventOn, eventOff } from '../utils/events'; // @vue/component
export var clickOutMixin = extend({
data: function data() {
return {
listenForClickOut: false
};
},
watch: {
listenForClickOut: function listenForClickOut(newValue, oldValue) {
if (newValue !== oldValue) {
eventOff(this.clickOutElement, this.clickOutEventName, this._clickOutHandler, EVENT_OPTIONS_NO_CAPTURE);
if (newValue) {
eventOn(this.clickOutElement, this.clickOutEventName, this._clickOutHandler, EVENT_OPTIONS_NO_CAPTURE);
}
}
}
},
beforeCreate: function beforeCreate() {
// Declare non-reactive properties
this.clickOutElement = null;
this.clickOutEventName = null;
},
mounted: function mounted() {
if (!this.clickOutElement) {
this.clickOutElement = document;
}
if (!this.clickOutEventName) {
this.clickOutEventName = 'click';
}
if (this.listenForClickOut) {
eventOn(this.clickOutElement, this.clickOutEventName, this._clickOutHandler, EVENT_OPTIONS_NO_CAPTURE);
}
},
beforeDestroy: function beforeDestroy() {
eventOff(this.clickOutElement, this.clickOutEventName, this._clickOutHandler, EVENT_OPTIONS_NO_CAPTURE);
},
methods: {
isClickOut: function isClickOut(event) {
return !contains(this.$el, event.target);
},
_clickOutHandler: function _clickOutHandler(event) {
if (this.clickOutHandler && this.isClickOut(event)) {
this.clickOutHandler(event);
}
}
}
});