Can you explain the distinction between export/import and provide/inject in Vue3?

Can you explain the difference between export/import and provide/inject in Vue3?

// parent
const data = provide('data', ref(0))

// child
const data = inject('data')
// parent
export const data = ref(0)

// child
import { data } from './parent'

I have tested both methods and noticed the performance results are similar. I am curious to understand the distinction between export/import and provide/inject, and which one is more suitable for use in a production project.

Answer №1

Vue 3 introduces the use of "provide" and "inject" as design patterns for passing data from parent components to child components. When a parent component uses the "provide" method, it can pass data down to its children components. On the other hand, the "inject" method allows a child component to receive data from its parent.

Conversely, in JavaScript, "export" and "import" are utilized for organizing code into modules. "Export" enables values and functions defined within a module to be accessed by other modules that import it, while "import" is used to bring in exported values and functions from another module.

To summarize, "provide" and "inject" facilitate component communication within Vue apps, while "export" and "import" deal with modularizing and sharing code across different files.

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

Automatically scrolling down a div as new content is added using XMLHTTPRequest.openConnection

https://jsfiddle.net/kv5gbamg/ - I created a jsfiddle to demonstrate the functionality of the system Essentially, I am seeking a way to automatically scroll the scrollbar to the bottom every time a new message is received. My system updates the div with ...

Refreshing search results in Asp.net MVC3 without having to reload the entire page

I am currently working on a website using asp.net MVC3. In one of the views, I display query results managed in the controller using a foreach loop. Now, my goal is to automatically refresh the output of the query periodically without reloading the entire ...

The function Firebase.database() is unavailable in the Sails Service

I have developed a service named Firebase.js, and I am attempting to utilize it from my Controllers by using Firebase.database. However, I am encountering an error stating that Firebase.database() is not a function services/Firebase.js var admin = requir ...

Troubleshooting Bootstrap 4 Modal in JavaScript and Vue: Uncaught ReferenceError: $ is not defined

I'm struggling to figure out how to trigger a Bootstrap 4 modal from my Vue 3 app using JavaScript. Whenever I try to launch the modal, I keep encountering this error message: $ is not defined at eval When looking for solutions, I noticed that most a ...

Error: Unable to assign value to the innerHTML property of an undefined element created by JavaScript

When designing my html form, I encountered an issue where I needed to display a message beneath blank fields when users did not fill them out. Initially, I used empty spans in the html code to hold potential error messages, which worked well. However, I de ...

To convert an image file into a string, use JSON.stringify before including it in an AJAX request

Is it possible to send image files contained within JSON objects in an array via an AJAX call using JSON.stringify? When attempting to send the data through an AJAX call, and utilizing JSON.stringify with an array containing JSON objects that have image f ...

Click on the next tab within the ExtJS tab menu

I am looking to deactivate a tab and if it happens to be active, I want the system to automatically switch to the next tab. I attempted myPanel.tab.disable(); if(myPanel.tab.active) myPanel.NextSibling().tab.setActive(); and myPanel.tab.disable(); ...

What are the benefits of keeping synchronous state in the Redux store?

Is it necessary to store non-async state in the Redux store? For instance, when dealing with a modal that simply shows or hides, is it worth the extra work to toggle it within the store? Wouldn't it be simpler to just keep it as local state in the Rea ...

The request body is not showing up as a key-value pair, while the request headers and other parameters are visible

Example of 'Advanced REST Client' Request I am currently using Postman and Advanced REST client to create a simple POST request based on the code below: 'use strict'; var express = require('express'); var bodyParser = requir ...

Vue component encounters undefined error when passing prop array through component

My challenge is passing an array of dates to my component, but I keep encountering this error: [Vue warn]: Property or method "dates" is not defined on the instance but referenced during render I'm puzzled by this issue because I am receiving the ...

Issue with tensorflow.js multiple regression stochastic gradient descent optimization

Greetings, everyone! I have recently encountered a perplexing issue while attempting to fit a curve in tensorflow.js. Despite spending a considerable amount of time on it over the past couple of days, I haven't been able to resolve it yet. Given that ...

What is the method for configuring the URL of an ajax request to open in a separate window?

I am currently working on an ajax call where I need to open a URL in a new tab or window. Since I'm still learning about ajax, I would greatly appreciate any help and explanation that you can provide. Below is the code snippet: $.ajax({ url: &apo ...

Utilizing global variables in Vue.js while working with the CLI template

How can I create a global variable in my Vue.js app that is accessible by all components and modifiable by any of them? I am currently utilizing the CLI template. Any recommendations on how to achieve this? Appreciate your assistance. Dhiaa Eddin Anabtaw ...

Is it necessary to use Hapi.js on the client side in order to establish a websocket connection using the Hapi.js protocol?

Currently, I am in the process of developing an API using Hapi and requiring WebSocket functionality. After some research, it appears that Nes is the preferred choice to integrate with Hapi for this purpose. Fortunately, Nes simplifies the process signific ...

Rails: Utilizing AJAX to dynamically populate Bootstrap dropdown menus

In the setup I have, there is a dropdown responsible for displaying notifications. <li class="notifications dropdown"> <a class="dropdown-toggle" id="dLabel" role="button" data-remote="true" data-toggle="dropdown" data-target="#" href="/notifi ...

What are the benefits of using CouchDB for login functionality, but encountering an empty CouchDB session while utilizing Vue.js and P

Utilizing Vusjs, pouchdb-browser, CouchDB, and pouchdb-authentication I am attempting to verify if a session is active for offline stay logged in. Upon logging in with db.logIn from pouchdb-authentication: response: {ok: true, name: "01HAYJ", ...

AngularJS directive that performs asynchronous validation upon blur

I'm working on developing a directive that validates email addresses provided by users through asynchronous web requests. While the functionality is sound, I've encountered an issue where asynchronous calls are triggered every time a user types a ...

onChange does not trigger useEffect

In the Order Content component, I am receiving some products as props to be used in a select component. When a product is selected in the dropdown, it triggers the rendering of Summary and Product components. In these components, the user can choose the ...

Firebase Cloud Functions - Deleting the eldest offspring

I have created an onWrite cloud function that listens for updates made by a user. My goal is to delete the oldest child if there are more than three children present in the database. Here's where I currently stand: exports.removeOld = functions.datab ...

Modify the form's action attribute when submitted

I am trying to create a form with multiple buttons that will change the action and target properties when a specific button is clicked. Below is my code snippet: <div id="root"> <form :action="form.action" ref="form" :target="form.target"&g ...