chore: remove mixin extend

src/mixins/click-outside.js

@@ -0,0 +1,31 @@
+/**
+ * Listen to click outside event
+ */
+import { on, off } from '../utils/dom/event';
+
+export const ClickOutsideMixin = (config) => ({
+  props: {
+    closeOnClickOutside: {
+      type: Boolean,
+      default: true,
+    },
+  },
+
+  data() {
+    const clickOutsideHandler = (event) => {
+      if (this.closeOnClickOutside && !this.$el.contains(event.target)) {
+        this[config.method]();
+      }
+    };
+
+    return { clickOutsideHandler };
+  },
+
+  mounted() {
+    on(document, config.event, this.clickOutsideHandler);
+  },
+
+  beforeDestroy() {
+    off(document, config.event, this.clickOutsideHandler);
+  },
+});