Altra conversione in Typescript , partendo da un progetto di esempio funzionante...

src/layouts/drawer/menuOne.vue

@@ -0,0 +1,94 @@
+<template>
+    <div class="list no-border platform-delimiter light-paragraph">
+        <q-icon name="action"/>
+        <template v-for="(parent, index) in links">
+            <q-list>
+                <div class="list-label cursor-pointer" @click="parent.show = !parent.show">
+                    {{replaceUnderlineToSpace(index)}}
+                </div>
+                <template v-for="child in parent.routes">
+                    <transition name="menu">
+                        <div v-show="parent.show">
+                                <q-item link :to="child.route" exact class="item item-link drawer-closer cursor-pointer">
+                                    <i :class="child.faIcon" class="item-primary"></i>
+                                    <div class="item-content">{{child.name}}</div>
+                                </q-item>
+                        </div>
+                    </transition>
+                </template>
+            </q-list>
+            <hr>
+        </template>
+    </div>
+</template>
+
+<script>
+  export default {
+    props: ['links'],
+    watch: {
+      '$route.path'() {
+        Object.keys(this.links).forEach(parentName => {
+          this.setParentVisibilityBasedOnRoute(this.links[parentName])
+        })
+      }
+    },
+    computed: {
+      currentRoutePath() {
+        return this.$route.path
+      }
+    },
+    methods: {
+      created() {
+        console.log("MENUONE CREATED!");
+      },
+      setParentVisibilityBasedOnRoute(parent) {
+        parent.routes.forEach(item => {
+          if (this.$route.path === item.route) {
+            parent.show = true
+            return
+          }
+        })
+      },
+      replaceUnderlineToSpace(text) {
+        while (text.indexOf('_') !== -1) {
+          text = text.replace('_', ' ')
+        }
+        return text
+      }
+    }
+  }
+</script>
+<style scoped>
+
+    .router-link-active {
+        color: #027be3;
+        background-color: #dadada !important;
+        border-right: 2px solid #027be3;
+    }
+
+    .list-label:first-child {
+        line-height: 20px;
+        padding:5px;
+        margin:1px;
+    }
+
+    .menu-enter-active, .scale-enter {
+        -webkit-animation: moveFromLeftFade .2s ease both;
+        animation: moveFromLeftFade .2s ease both;
+    }
+
+    .menu-leave-to, .scale-leave-active {
+        -webkit-animation: moveToLeft .2s ease both;
+        animation: moveToLeft .2s ease both;
+    }
+
+    .router-link-active {
+        color: #027be3;
+        background-color: #dadada !important;
+        border-right: 2px solid #027be3;
+    }
+
+    .router-link-active .item-primary {
+        color: #027be3;
+    }
+</style>