v12 (#5712)

Co-authored-by: MeiMei <30769358+mei23@users.noreply.github.com>
Co-authored-by: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>

src/client/directives/user-preview.ts

@@ -0,0 +1,61 @@
+import MkUserPreview from '../components/user-preview.vue';
+
+export default {
+	bind(el: HTMLElement, binding, vn) {
+		const self = (el as any)._userPreviewDirective_ = {} as any;
+
+		self.user = binding.value;
+		self.tag = null;
+		self.showTimer = null;
+		self.hideTimer = null;
+
+		self.close = () => {
+			if (self.tag) {
+				self.tag.close();
+				self.tag = null;
+			}
+		};
+
+		const show = () => {
+			if (self.tag) return;
+
+			self.tag = new MkUserPreview({
+				parent: vn.context,
+				propsData: {
+					user: self.user,
+					source: el
+				}
+			}).$mount();
+
+			self.tag.$on('mouseover', () => {
+				clearTimeout(self.hideTimer);
+			});
+
+			self.tag.$on('mouseleave', () => {
+				clearTimeout(self.showTimer);
+				self.hideTimer = setTimeout(self.close, 500);
+			});
+
+			document.body.appendChild(self.tag.$el);
+		};
+
+		el.addEventListener('mouseover', () => {
+			clearTimeout(self.showTimer);
+			clearTimeout(self.hideTimer);
+			self.showTimer = setTimeout(show, 500);
+		});
+
+		el.addEventListener('mouseleave', () => {
+			clearTimeout(self.showTimer);
+			clearTimeout(self.hideTimer);
+			self.hideTimer = setTimeout(self.close, 500);
+		});
+	},
+
+	unbind(el, binding, vn) {
+		const self = el._userPreviewDirective_;
+		clearTimeout(self.showTimer);
+		clearTimeout(self.hideTimer);
+		self.close();
+	}
+};