vue-component - w3toppers.com

Vue template or render function not defined yet I am using neither?

In my case, I was getting the error because I upgraded from Laravel Mix Version 2 to 5. In Laravel Mix Version 2, you import vue components as follows: Vue.component( ‘example-component’, require(‘./components/ExampleComponent.vue’) ); In Laravel Mix Version 5, you have to import your components as follows: import ExampleComponent from ‘./components/ExampleComponent.vue’; Vue.component(‘example-component’, ExampleComponent); Here is the … Read more

Vue v-on:click does not work on component

If you want to listen to a native event on the root element of a component, you have to use the .native modifier for v-on, like following: <template> <div id=”app”> <test v-on:click.native=”testFunction”></test> </div> </template> or in shorthand, as suggested in comment, you can as well do: <template> <div id=”app”> <test @click.native=”testFunction”></test> </div> </template> Reference to … Read more

Is it possible to emit from mounted in Vuejs?

When you add an event handler in the parent’s mounted lifecycle event for an event that is emitted in a child’s mounted event, the handler will not catch the event emitted by the child because the handler is added after the child has already emitted the event. Basically the cycle of events is like this. … Read more

Apply global variable to Vuejs

Just Adding Instance Properties For example, all components can access a global appName, you just write one line code: Vue.prototype.$appName=”My App” or in vue3 app.config.globalProperties.$http = axios.create({ /* … */ }) $ isn’t magic, it’s a convention Vue uses for properties that are available to all instances. Alternatively, you can write a plugin that includes … Read more

Vue – how to pass down slots inside wrapper component?

Vue 3 Same as the Vue 2.6 example below except: $listeners has been merged into $attrs so v-on=”$listeners” is no longer necessary. See the migration guide. $scopedSlots is now just $slots. See migration guide. Vue 2.6 (v-slot syntax) All ordinary slots will be added to scoped slots, so you only need to do this: <wrapper> … Read more

Is there any way to ‘watch’ for localstorage in Vuejs?

Sure thing! The best practice in my opinion is to use the getter / setter syntax to wrap the localstorage in. Here is a working example: HTML: <div id=”app”> {{token}} <button @click=”token++”> + </button> </div> JS: new Vue({ el: ‘#app’, data: function() { return { get token() { return localStorage.getItem(‘token’) || 0; }, set token(value) … Read more

VueJS access child component’s data from parent

In my child component, there are no buttons to emit changed data. It’s a form with somewhat 5~10 inputs. the data will be submitted once you click the process button in another component. so, I can’t emit every property when it’s changing. So, what I did, In my parent component, I can access child’s data … Read more

Vuejs typescript this.$refs..value does not exist

You can do this: class YourComponent extends Vue { $refs!: { checkboxElement: HTMLFormElement } someMethod () { this.$refs.checkboxElement.checked } } From this issue: https://github.com/vuejs/vue-class-component/issues/94

Passing props dynamically to dynamic component in VueJS

To pass props dynamically, you can add the v-bind directive to your dynamic component and pass an object containing your prop names and values: So your dynamic component would look like this: <component :is=”currentComponent” v-bind=”currentProperties”></component> And in your Vue instance, currentProperties can change based on the current component: data: function () { return { currentComponent: … Read more

How to listen for ‘props’ changes

You can watch props to execute some code upon props changes: new Vue({ el: ‘#app’, data: { text: ‘Hello’ }, components: { ‘child’ : { template: `<p>{{ myprop }}</p>`, props: [‘myprop’], watch: { myprop: function(newVal, oldVal) { // watch it console.log(‘Prop changed: ‘, newVal, ‘ | was: ‘, oldVal) } } } } }); <script … Read more