What you are doing will throw a warning in Vue (in the console). [Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop’s value. Prop being mutated: “propRoomSelected” The value will actually change inside the component, … Read more
Registering components in the root component’s components option doesn’t make them global. Doing that just makes them available to the root component itself, not its children. To register components globally, use app.component in your top-level code: main.js import { createApp } from ‘vue’; import App from ‘./App.vue’; import MyGlobalComponent from ‘./components/MyGlobalComponent.vue’; const app = createApp(App); … Read more
To use i18n with Vue 3’s composition API, but outside a component’s setup(), you can access its translation API (such as the t function) on its global property. E. g. in a file with unit-testable composition functions: // i18n/index.js import { createI18n } from ‘vue-i18n’ import en from ‘./en.json’ … export default createI18n({ datetimeFormats: {en: … Read more
Computed properties are basically functions that cache their results so that they don’t have to be calculated every time they are needed. They updated automatically based on the reactive values they use. Your computed does not use any reactive items, so there’s no point in its being a computed. It returns a Promise now (assuming … Read more
You need to do the following: import Vue from ‘vue’; import VueRouter from ‘vue-router’; Vue.use(VueRouter); Ref: https://router.vuejs.org/en/installation.html new Vue({ el: “#app”, router: router, render: h => h(App), }) Hope it will help you
It is possible to access the store as an object in an external js file, I have also added a test to demonstrate the changes in the state. here is the external js file: import { store } from ‘../store/store’ export function getAuth () { return store.state.authorization.AUTH_STATE } The state module: import * as NameSpace … Read more
Watchers in Vue have an option to provide an immediate value: Passing in immediate: true in the option will trigger the callback immediately with the current value of the expression In this case, you could set a watcher in the mounted hook: new Vue({ el: ‘#app’, data() { return { selectedIndex: 0, } }, mounted() … Read more
If you want to show the <div> only when it is truthy (not empty/null/etc.), you can simply do: <div v-if=”archiveNote”> This gives the same result as the double bang: <div v-if=”!!archiveNote”> Both of these expressions evaluate all 8 of JavaScript’s falsy values to false: false null undefined 0 -0 NaN ” 0n (BigInt) and everything … Read more
you don’t need to use an extra attribute. You can get the key by this.$vnode.key
You need to use a scoped slot. You were almost there, I just added the template that creates the scope. <my-parent> <template slot-scope=”{signal}”> <my-child :signal=”signal”></my-child> <my-child :signal=”signal”></my-child> </template> </my-parent> Here is your code updated. const MyParent = Vue.component(‘my-parent’, { template: `<div> <h3>Parent’s Children:</h3> <slot :signal=”parentVal”></slot> </div>`, data: function() { return { parentVal: ‘value of parent’ … Read more