i'm really stuck in this silly problem. i worked with many props but this one is a headache. maybe i'm missing something...!!!
i'm sending an object as prop from my page to a component (as i did many times!!) but on my component it's undefined!! i tried many ways (some simple data instead of obj, not bind prop, ...) but nothing!
BTW i'm on nuxt 2.13
here's my code:
page:
<template>
<mycomp :err="inputError" />
<template>
<script>
import mycomp from '~/components/mycomp'
export default{
components:{
'mycomp': mycomp
}
data(){
return{
inputError: {
error: false,
msg: null
}
}
},
}
</script>
and my component:
<template>
<div>
{{err}} --> this show nothing too
</div>
<template>
<script>
export default{
props:['err']
data(){
return{
//
}
},
create(){
console.log(this.err) // undefined
}
}
</script>
You are making many typo mistakes. like kerbh0lz mentioned. I urge you to validate the incoming props. It will save you a lot of time in debugging.
Anyway here is the working snippet
//App.vue
<template>
<div id="app">
<HelloWorld :err="inputError"/>
</div>
</template>
<script>
import HelloWorld from "./components/HelloWorld";
export default {
name: "App",
components: {
HelloWorld
},
data() {
return {
inputError: {
error: false,
msg: null
}
};
}
};
</script>
//HelloWorld.vue
<template>
<div class="hello">
<h1>{{ err }}</h1>
</div>
</template>
<script>
export default {
name: "HelloWorld",
props: {
err: {
type: Object
}
},
created() {
console.log(this.err);
}
};
</script>
Sandbox
Related
I'm trying to use MainNavbarButton within MainNavbar. I imported the component, but get the error of "Module not found: Error: Can't resolve './components/MainNavbarButton.vue'" All the solutions I found seem to stem from a spelling mistake, but I'm pretty sure that's not the case here.
MainNavbar.vue
<template>
<div id="navbar">
<MainNavbarButton />
</div>
</template>
<script>
import MainNavbarButton from './components/MainNavbarButton.vue'
export default {
name: 'MainNavbar',
components: {
MainNavbarButton
}
}
</script>
MainNavbarButton.vue
<template>
<h2>{{ title }}</h2>
</template>
<script>
export default {
name: 'MainNavbarButton',
props: {
title
}
};
</script>
App.vue
<template>
<MainNavbar/>
</template>
<script>
import MainNavbar from './components/MainNavbar.vue'
export default {
name: 'App',
components: {
MainNavbar
}
}
</script>
I use vue(2.6.10) an Im trying to build a universal table with vuetable2 (2.0.0-beta.4).
I created a component for the general methods of vuetable.
I tried to place my "MyCustomTemplate" in the slot section of the "MyVueTable", but I got no error and nothing is shown.
My goal is to use the "MyVueTable" in other vue pages and replace the "MyCustomTemplate".
I have currently 3 entries in my data but in the List.vue component nothing is shown
List.vue
<template>
<MyVueTable :data="data" :fields="fields">
<MyCustomTemplate v-slot="vueTableTemplateSlot"/>
</MyVueTable>
</template
<script>
export default {
name:"List",
data(){
return{
data: [],
fields: [
{
name: 'vueTableTemplateSlot'
}
]
};
}
}
</script>
MyVueTable.vue
<template>
<vuetable ref="vuetable">
<slot name="vueTableTemplateSlot" slot-scope="props"/>
</vuetable>
</template>
<script>
export default {
name: 'MyVueTable',
props: ['data', 'fields'],
methods:{
//vuetable methods
}
}
</script>
MyCustomTemplate.vue
<template>
<div>
{{rowData.id}}
</div>
</template>
<script>
export default {
name: 'MyCustomTemplate',
data(){
return{
rowData: null
}
}
</script>
You can test to put your component(in List.vue) in a div or a template that will be the slot content :
<template #nameOfYourSlot>
<NameOfYourComponent>
</template>
This was answered in the official repository, you need to do this to be your custom global component: https://github.com/ratiw/vuetable-2-tutorial/wiki/lesson-17
I have this code in file app.vue :
<template>
<div id="app">
<button v-on:click="component = 'login'">aa</button>
<component v-bind:is="component"></component>
</div>
</template>
<script>
import acceuil from './components/acceuil.vue'
import login from './components/login.vue'
export default {
name: 'app',
components: {
acceuil,
login
},
data(){
return {
component: 'acceuil'
}
}
}
</script>
How can I toggle between acceuil/login in component from a different vue file ?
You need to pass the imported dependency (the object or the name of the component as a string) to v-bind:is. You can do this by returning it in a computed function and pass it to a computed property, which you then can use in the template.
<template>
<div id="app">
<button v-on:click="isLogin = true">Show Login</button>
<component v-bind:is="currentComponent"></component>
</div>
</template>
<script>
import acceuil from './components/acceuil.vue';
import login from './components/login.vue';
export default {
name: 'app',
data () {
return {
isLogin: false
};
},
computed: {
currentComponent () {
return this.isLogin ? login : acceuil;
}
},
};
</script>
See also the documentation of dynamic components in the official docs.
Is it possible to bind a prop to a function?
In my example below I’m trying to get a value from a function in the main App.vue and pass it as a prop to the child component customComponent.
e.g. (this example doesn’t work)
App.vue
import customComponent from ‘./custom-component.vue'
<template>
<custom-component
v-bind:myValue="geMyValue()"
></custom-component>
</template>
<script>
export default {
name: "Item",
methods: {
getMyValue: function() {
return 1+3;
}
}
}
</script>
customComponent.vue
<template>
<h3 class="some-custom-layout">custom component</h3>
<input type="button" #click="sendMyValue()" />
</template>
<script>
export default {
name: “custom",
props: ['myValue']
methods: {
sendMyValue: function() {
console.log(this.myValue);
}
}
}
</script>
It's possible, but probably it would be better to use computed properties, if you are going to return value:
<template>
<custom-component
v-bind:myValue="myValue"
></custom-component>
</template>
<script>
export default {
name: "Item",
computed: {
myValue: function() {
return 1+3;
}
}
}
</script>
https://v2.vuejs.org/v2/guide/computed.html
I'm trying to use a component in another component. On the created event, I can log this component and it returns the good object. However for some reasons, the component doesn't seem to be included. VueJS do not understand the validation tag.
Any ideas?
<template>
<main>
<validation :validate="$v.email" :model="'email'"></validation>
</main>
</template>
<script>
import { Validation } from 'components/helpers'
export default {
name: 'login',
component: { Validation },
created() {
// it works. print the component with his path
window.console.log(Validation)
}
}
</script>
[Vue warn]: Unknown custom element: - did you register
the component correctly? For recursive components, make sure to
provide the "name" option.
In components/helpers I have two file:
1) index.js
export { default as Validation } from './Validation'
2) Validation.vue
<template>
<div>
<span class="form__validation" v-if="validate && !validate.required">Required</span>
<template v-if="validation[model]">
<span class="form__validation" v-for="error in validation[model].messages">{{ error }}</span>
</template>
</div>
</template>
<script>
import { mapGetters } from 'vuex'
export default {
name: 'validation',
data() {
return {
L: L
}
},
props: ['model', 'validate'],
computed: {
...mapGetters({
validation: 'getValidation'
})
}
}
</script>
Changing component for components did the trick. Shame on me :)