I am encountering difficulty retrieving values from methods and parsing them to provide. How can I address this issue?
methods: {
onClickCategory: (value) => {
return (this.catId = value);
},
},
provide() {
return {
categoryId: this.value,
};
},
Despite my efforts, I consistently receive the error categoryId:undefined
After much searching, I stumbled upon the following resolution:
functions: {
selectCategory(id) {
this.categoryId.id = id;
},
},
share() {
this.catID = this.categoryId;
return {
catIdentifier: this.catID,
};
},
According to the Vue Guide,
Please note: the provide and inject bindings do not trigger reactivity intentionally. However, if you pass down an observed object, properties within that object will remain reactive.
An effective solution is to encapsulate your value within an observed object, such as test2.value in the example below:
Vue.config.productionTip = false
Vue.component('v-parent', {template: `
<div>
<h4>Example</h4>
<p>Not Working: <input v-model="test1"></p>
<p>Working: <input v-model="test2.value"></p>
<v-child></v-child>
</div>
`,
data () {
return {
test1: 'blabla1',
test2: {value: 'blabla2'}
}
},
provide () {
return {parent1: this.test1, parent2: this.test2}
}
}),
Vue.component('v-child', {
template: `<div><pre>{{parent1}}</pre><pre>{{parent2.value}}</pre></div>`,
inject: ['parent1', 'parent2']
})
new Vue({
el: '#app',
data() {
return {
}
}
})<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.16/vue.js"></script>
<div id="app">
<div>
<v-parent/>
</div>
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