Only show slot if it has content
It should be available at this.$slots.footer So, this should work. hasFooterSlot() { return !!this.$slots.footer; } Example.
vue.js
How to comment code in a vue.js file?
You’d want to use standard HTML comments in the <template> tag in your situation. They’ll be stripped from the output as well which is nice. <!– Comment –>
How to mock window.location.href with Jest + Vuejs?
You can try: global.window = Object.create(window); const url = “http://dummy.com”; Object.defineProperty(window, ‘location’, { value: { href: url } }); expect(window.location.href).toEqual(url); Have a look at the Jest Issue for that problem: Jest Issue
Which command do I use to generate the build of a Vue app?
I think you’ve created your project like this: vue init webpack myproject Well, now you can run npm run build Copy index.html and /dist/ folder into your website root directory. Done.
What is nextTick and what does it do in Vue.js?
It’s all about Timing nextTick allows you to execute code after you have changed some data and Vue.js has updated the virtual DOM based on your data change, but before the browser has rendered that change on the page. Normally, devs use the native JavaScript function setTimeout to achieve similar behavior, but using setTimeout relinquishes … Read more
Vue.js: How to set a unique ID for each component instance?
Each component has a unique id which can be accessed as this._uid. <template> <div> <label :for=”id”>Label text for {{id}}</label> <input :id=”id” type=”text” /> </div> </template> <script> export default { data () { return { id: null } }, mounted () { this.id = this._uid } } </script> If you want more control over the ids … Read more
Vuex – Computed property “name” was assigned to but it has no setter
If you’re going to v-model a computed, it needs a setter. Whatever you want it to do with the updated value (probably write it to the $store, considering that’s what your getter pulls it from) you do in the setter. If writing it back to the store happens via form submission, you don’t want to … Read more
Vue CLI CSS pre-processor option: dart-sass VS node-sass?
Update 09/17/2020: As this answer gets up-votes every day, I thought maybe it is worth diving deeper into this topic. Considering sass-lang website: Dart Sass is the primary implementation of Sass, which means it gets new features before any other implementation. It’s fast, easy to install, and it compiles to pure JavaScript which makes it … Read more
Vue ‘export default’ vs ‘new Vue’
When you declare: new Vue({ el: ‘#app’, data () { return {} } )} That is typically your root Vue instance that the rest of the application descends from. This hangs off the root element declared in an html document, for example: <html> … <body> <div id=”app”></div> </body> </html> The other syntax is declaring a … Read more
Vuex – passing multiple parameters to mutation
Mutations expect two arguments: state and payload, where the current state of the store is passed by Vuex itself as the first argument and the second argument holds any parameters you need to pass. The easiest way to pass a number of parameters is to destruct them: mutations: { authenticate(state, { token, expiration }) { … Read more