When working with Vuejs Composition API, I noticed that the value of a Reference object seems to disappear when I

Here is the code snippet that I am working with:

<template>
{{posts}}
</template>

<script>
import { computed, ref } from 'vue';
import getPosts from '../composables/getPosts.js'
import {useRoute} from 'vue-router'

export default {
  setup() {
    const route = useRoute();
    const { posts, error, load } = getPosts();
    load();
    const usedTag = route.params.tag 
    console.log(posts)
    console.log(posts.value)

    return { posts, error }

  }
}
</script>

<style>

</style>

https://i.sstatic.net/ny8Px.png

I encountered an issue as shown in the provided image. When I tried to access the .value property of my posts Reference object, the entire value disappeared (As evident from the console logs, where initially there was an array in my _value). Can someone help me understand what might be causing this? Your assistance is greatly appreciated!

Answer №1

This scenario pertains specifically to the concept of a ref, as it essentially holds a reference to a value that may change over time. In this case, the ref value is being asynchronously modified upon successful execution of getPosts.

The value itself isn't lost; rather, it simply doesn't exist at the moment when console.log is invoked. This behavior is due to how the console operates, maintaining a reference to the displayed object and updating its appearance accordingly.

This functionality of the console allows for monitoring changes in an object at a later time. However, it can also be misused; relying on the console for real-time debugging should be a last resort as it might not accurately reflect the current state of affairs. Placing a breakpoint instead of using console.log will offer a true snapshot of the posts variable at that precise moment, providing a reactive representation of { value: [] }.

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

Removing the navigation button from the hamburger menu

I am working on creating a semi-progressive top navigation bar. For the mobile viewport, the navigation bar will only display the logo and a hamburger button. When the button is clicked, various navigation menu options as well as the Log In and Sign Up bu ...

Arranging an Array of Arrays Containing Strings

Looking for a solution to sort an array containing arrays of strings? A similar issue was discussed here. Here is the array in question: var myArray = [ ['blala', 'alfred', '...'], ['jfkdj', ...

Success callback for tracking conversions on Google

When an ajax call is successful, I am triggering the Google conversion tracking code. Along with tracking the conversion, I also need to change the window location. Is there a method to receive a callback when the conversion tracking is successful, so tha ...

broadcast updated $rootScope

How do I update the $rootScope.$broadcast with a new value? Let's take a look at this code snippet: var test = "fisk"; if(angular.element(this).hasClass('monster')) { var monster_info = angular.element(this).find("img").attr("title"); ...

Express Router triggers XHR onreadystatechange 3

Having just started using Express, I am currently working on setting up a login authentication system. However, I have encountered an issue where XHR is not showing a ready state 4. This problem arose after implementing express.Router which I came across i ...

Having trouble generating an image with JavaScript

I am currently working on incorporating an image onto a webpage using JavaScript. Surprisingly, even the alert('This function works!') is not displaying anything! What could be causing this issue? Please assist! <!DOCTYPE html> <html> ...

I can't seem to figure out why my attempts to set a cookie through Express are failing

I am currently facing an issue with sending a cookie back to my React app after logging in. In my server, I have set up a test response: res.status(200).cookie('nameOfCookie', 'cookieValue', { maxAge: 1000* 60 * 60 }).end(); In the app ...

Encountering errors while running Angular 8's ng build prod command

After successfully migrating my project from Angular 7 to Angular 8, I encountered an issue when attempting to run 'ng build prod' which resulted in the following error: ERROR in Error during template compile of 'Ng2CompleterModule' Cou ...

insert data into modal's interface

I'm encountering an issue with my code, where the modal is not displaying the values inside the brackets as if they were not bound correctly. Everything else in the ng-repeat seems to be working fine, but for some reason the values are not being displ ...

Issue encountered while selecting the Electron app menu item

I encountered an error when clicking on a menu item: Any suggestions on how to resolve this issue? Here is the snippet of code that seems to be causing the problem: Main.js const { Menu } = require('electron') const { createNewFile } = require ...

Vuejs components are not being rendered properly when using <router-view /> in Laravel 5.8

I am currently working on developing a Single Page Application (SPA) using Vuejs and Laravel. I have integrated vue-router to handle the routing within the application. However, I am facing an issue where the component that needs to be displayed inside the ...

What is the best way to combine this PHP, Javascript, and HTML document together?

My goal is to upload a CSV file exclusively using an HTML form and then save it in an array using PHP and Javascript. I have individual codes that work perfectly when used as separate files. However, when I attempt to combine them into one file, the Javas ...

An essential component of Chai assertion is the inclusion of "or"

While attempting to iterate through a list of elements, I am looking to verify that the body contains either of two values. However, the current assertion method only allows me to check for one value: expect(cellText).includes(toDateFormat); Is there a wa ...

Display a message to a user on the same HTML page using jQuery or JavaScript

How can I show a message to the user on the HTML page confirming their selected date without using an alert box? I attempted this code snippet, but I'm uncertain: document.writeln("The date you picked is: " + dateText); ...

Scrolling through four limited list items automatically

Hey there! I am currently working on a design project. You can check it out here. I'm trying to replicate a section from another site, which you can see here. <div class="latest-winners-container"> <h3 class="header">Latest Winners< ...

Angular2 and ES6 Promise in JavaScript - tackling the issue of undefined variables

I am working with an array of objects like the one shown below: let PAGES = [ new BasePage( 'home', 'test') ]; let pagesPromise = Promise.resolve(PAGES); My goal is to retrieve a BasePage object by calling the following met ...

Unexpected Token Error in Laravel Blade Vue

Trying to pass a variable from Blade to a Vue component prop is causing an unexpected error. The error message received states: [Vue warn]: Error compiling template: invalid expression: Invalid or unexpected token in [{"id":6,"name":"aaa","created_a ...

Encountering issues with installing NPM

I encountered an issue while attempting to install NPM on a repository that I have cloned locally from GitHub. The error message displayed is causing me some trouble. Can someone help me figure out how to fix this problem? Thank you in advance! npm ERR! p ...

How come I am receiving {"readyState":1} in the DOM instead of JSON data in AngularJS?

Currently, I am facing an issue where instead of the JSON data (which consists of only 49 items) showing up on the DOM, I am getting {"readyState":1}. I believe this is just a test to ensure that my code is functioning correctly. Although I have identifie ...

Ways to switch between Vue components

My main App.vue file contains elements like the navigation bar, with the rest of the content rendered by vue-router. I'm attempting to add a series of modals to this file so that they can be accessed from any route when clicking on the corresponding l ...