gitlab-org--gitlab-foss/app/assets/javascripts/popovers/index.js

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import { toArray } from 'lodash';
import Vue from 'vue';
import PopoversComponent from './components/popovers.vue';
let app;
const APP_ELEMENT_ID = 'gl-popovers-app';
const getPopoversApp = () => {
if (!app) {
const container = document.createElement('div');
container.setAttribute('id', APP_ELEMENT_ID);
document.body.appendChild(container);
const Popovers = Vue.extend(PopoversComponent);
app = new Popovers();
app.$mount(`#${APP_ELEMENT_ID}`);
}
return app;
};
const isPopover = (node, selector) => node.matches && node.matches(selector);
const handlePopoverEvent = (rootTarget, e, selector) => {
for (let { target } = e; target && target !== rootTarget; target = target.parentNode) {
if (isPopover(target, selector)) {
getPopoversApp().addPopovers([target]);
break;
}
}
};
export const initPopovers = () => {
['mouseenter', 'focus', 'click'].forEach((event) => {
document.addEventListener(
event,
(e) => handlePopoverEvent(document, e, '[data-toggle="popover"]'),
true,
);
});
return getPopoversApp();
};
export const dispose = (elements) => toArray(elements).forEach(getPopoversApp().dispose);
export const destroy = () => {
getPopoversApp().$destroy();
app = null;
};