I have setup mitt and trying to dispatch event to another component but I am having hard time because in the setup() method it doesn’t have this for accessing app instance. Here is what I tried: And in the component, I want to dispatch an event As this doesn’t exist, I can’t access the .emitter. What am I missing? How
Tag: vue-composition-api
Watch child properties from parent component in vue 3
I’m wondering how I can observe child properties from the parent component in Vue 3 using the composition api (I’m working with the experimental script setup). I want to understand how I can watch changes in the child component from the parent component. My not working solution is inspired by the Vue.js 2 Solution asked here. So I don’t want
In Vue3 composition API make the watcher work immediately
Using Vue3 composition API. How do I make watched to work immediately. The following code doesn’t work. Answer It should placed as option : or
Vue 3 setup reactive fetch with async json
I’ve installed Vue 3 and want to populate a reactive object with fetch from a JSON API. My component looks like below. I don’t get any errors but I don’t get any results either. I expected to get a number on the screen because that’s what’s in total in the JSON file. On state.test If I only output state.test I
How to correctly use Vue 3 composition-api across multiple Vue instances in multiple files
tl;dr What is the correct way to import Vue3 in a base js file, then use Vue’s composition-api in other standalone js files that will be loaded after that base file? I am using Vue to enhance user experience in specific pages. For example, in register page to perform ajax requests and show server errors without page reloads. In short,
Vue 3: computed property doesn’t track its dependency in composition API
Consider this illustrative example: As you can see, message stores a computed value that should track updates to name but it isn’t. Why is it like that and how to fix it? Answer Computed should always use an immutable reactive ref object you want to be computed. so if you declare the reactive objects you are using at the beginning