分享7个成为更好的Vue开发者的技巧

<script lang="ts">
import {defineComponent} from 'vue';
export default defineComponent({
 name: 'Test',
 setup() {
   //Add business logic
 }
})
</script>

<script lang="ts" setup>
 //Add business logic
</script>

<script lang="ts">
import { defineComponent, reactive, onMounted } from "vue";
export default defineComponent({
 name: "HelloWorld",
 setup() {
   let myReactiveObject = reactive({
     name: "Nicky",
     age: "37",
     country: "DK",
   });
   let newObject = {
     name: "Nicky Christensen",
     age: "36",
     country: "DA-DK",
   };
   onMounted(() => {
     setTimeout(() => {
       //myReactiveObject = newObject //Wont work
       Object.assign(myReactiveObject, newObject) //Will work
     }, 2000)
   })
   return {
     myReactiveObject,
   };
 },
});
</script>

import App from "./App.vue";
import MyGlobalSection from '@/components/MyGlobalSection.vue';
const app = createApp(App);
// Make our <MyGlobalSection /> component globally available.
app.component(MyGlobalSection.name, MyGlobalSection);
app.mount("#app");

<template>
 <!-- single -->
 <p v-once>{{ someProperty }}</p>
 <!-- with children -->
 <div v-once>
   <p>{{ someProperty}}</p>
 </div>
 <!-- components -->
 <my-component v-once />
 <!-- v-for directives -->
 <li v-for="”item" in items” v-once>{{item}}</li>
</template>

<div v-memo="[valueA, valueB]">
 ...
</div>

import { defineAsyncComponent } from "vue";
// Lazy Load
const myComponent = defineAsyncComponent(() =>
 import("./components/myComponent.vue")
);

const myComponent = defineAsyncComponent({
 loader: () => import("./myComponent.vue"),
 loadingComponent: myLoadingComponent /* shows while loading */,
 errorComponent: myErrorComponent /* shows if there's an error */,
 delay: 1000 /* delay in ms before showing loading component */,
 timeout: 3000 /* timeout after this many ms */,
});