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<script>
// We can't use v-safe-html here as the popover's title or content might contains SVGs that would
// be stripped by the directive's sanitizer. Instead, we fallback on v-html and we use GitLab's
// dompurify config that lets SVGs be rendered properly.
// Context: https://gitlab.com/gitlab-org/gitlab/-/issues/247207
/* eslint-disable vue/no-v-html */
import { GlPopover } from '@gitlab/ui';
import { sanitize } from '~/lib/dompurify';
const newPopover = (element) => {
const { content, html, placement, title, triggers = 'focus' } = element.dataset;
return {
target: element,
content,
html,
placement,
title,
triggers,
};
};
export default {
components: {
GlPopover,
},
data() {
return {
popovers: [],
};
},
created() {
this.observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
mutation.removedNodes.forEach(this.dispose);
});
});
},
beforeDestroy() {
this.observer.disconnect();
},
methods: {
addPopovers(elements) {
const newPopovers = elements.reduce((acc, element) => {
if (this.popoverExists(element)) {
return acc;
}
const popover = newPopover(element);
this.observe(popover);
return [...acc, popover];
}, []);
this.popovers.push(...newPopovers);
},
observe(popover) {
this.observer.observe(popover.target.parentElement, {
childList: true,
});
},
dispose(target) {
if (!target) {
this.popovers = [];
} else {
const index = this.popovers.findIndex((popover) => popover.target === target);
if (index > -1) {
this.popovers.splice(index, 1);
}
}
},
popoverExists(element) {
return this.popovers.some((popover) => popover.target === element);
},
getSafeHtml(html) {
return sanitize(html);
},
},
};
</script>
<template>
<div>
<gl-popover v-for="(popover, index) in popovers" :key="index" v-bind="popover">
<template #title>
<span v-if="popover.html" v-html="getSafeHtml(popover.title)"></span>
<span v-else>{{ popover.title }}</span>
</template>
<span v-if="popover.html" v-html="getSafeHtml(popover.content)"></span>
<span v-else>{{ popover.content }}</span>
</gl-popover>
</div>
</template>
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