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

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import Vue from 'vue';
import Tooltips from './components/tooltips.vue';
let app;
const EVENTS_MAP = {
hover: 'mouseenter',
click: 'click',
focus: 'focus',
};
const DEFAULT_TRIGGER = 'hover focus';
const tooltipsApp = () => {
if (!app) {
app = new Vue({
render(h) {
return h(Tooltips, {
props: {
elements: this.elements,
},
ref: 'tooltips',
});
},
}).$mount();
}
return app;
};
const isTooltip = (node, selector) => node.matches && node.matches(selector);
const addTooltips = (elements, config) => {
tooltipsApp().$refs.tooltips.addTooltips(Array.from(elements), config);
};
const handleTooltipEvent = (rootTarget, e, selector, config = {}) => {
for (let { target } = e; target && target !== rootTarget; target = target.parentNode) {
if (isTooltip(target, selector)) {
addTooltips([target], {
show: true,
...config,
});
break;
}
}
};
export const initTooltips = (selector, config = {}) => {
const triggers = config?.triggers || DEFAULT_TRIGGER;
const events = triggers.split(' ').map(trigger => EVENTS_MAP[trigger]);
events.forEach(event => {
document.addEventListener(event, e => handleTooltipEvent(document, e, selector, config), true);
});
return tooltipsApp();
};