I have a Vue 2 project that has many (50+) single-file components. I use Vue-Router for routing and Vuex for state.
There is a file, called helpers.js, that contains a bunch of general-purpose functions, such as capitalizing the first letter of a string. This file looks like this:
export default {
capitalizeFirstLetter(str) {
return str.charAt(0).toUpperCase() + str.slice(1);
}
}
My main.js file initializes the app:
import Vue from 'vue'
import VueResource from "vue-resource"
import store from "./store"
import Router from "./router"
import App from "./components/App.vue"
Vue.use(VueResource)
const app = new Vue({
router: Router,
store,
template: '<app></app>',
components: { App },
}).$mount('#app')
My App.vue file contains the template:
<template>
<navbar></navbar>
<div class="container">
<router-view></router-view>
</div>
</template>
<script>
export default {
data() {
return {
// stuff
}
}
}
</script>
I then have a bunch of single-file components, which Vue-Router handles navigating to inside the <router-view> tag in the App.vue template.
Now let's say that I need to use the capitalizeFirstLetter() function inside a component that is defined in SomeComponent.vue. In order to do this, I first need to import it:
<template>Some Component</template>
<script>
import {capitalizeFirstLetter} from '../helpers.js'
export default {
data() {
return {
myString = "test"
}
},
created() {
var newString = this.capitalizeFirstLetter(this.myString)
}
}
</script>
This becomes a problem quickly because I end up importing the function into many different components, if not all of them. This seems repetitive and also makes the project harder to maintain. For example if I want to rename helpers.js, or the functions inside it, I then need to go into every single component that imports it and modify the import statement.
Long story short: how do I make the functions inside helpers.js globally available so that I can call them inside any component without having to first import them and then prepend this to the function name? I basically want to be able to do this:
<script>
export default {
data() {
return {
myString = "test"
}
},
created() {
var newString = capitalizeFirstLetter(this.myString)
}
}
</script>
this. – Glauconite