Can one monitor a Vuex module in real time?

I have a single module imported into the Vuex store:

import date from './modules/date-select';

export default new Vuex.Store({
    modules: {date},
});

Is it possible to "watch" for changes in the entire module within a component? For example:

import { mapState  } from 'vuex';

export default {
    computed: {
        ...mapState(['date'])
    },

    watch: {
        'date': function(date) {
            console.log(date)
        }
    }
}

It works fine when watching specific properties of the module like date.timeframe or date.interval, but I need to trigger actions when any parameter changes.

Answer №1

To ensure accurate monitoring, the use of the deep flag is essential. Here is an example of how it can be applied:

observeChanges: {

    records: {
          handler: function (newVal, oldVal) {
            // Identify the altered object
            var modified = newVal.filter( function( rec, index ) {
              return Object.keys(rec).some( function( property ) {
                return rec[property] !== oldVal[index][property];
              })
            })
            // Output the results
            console.log(modified)
          },
          deep: true
        }
}

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

What is the best way to organize and group messages in JavaScript in order to push them to a subarray?

Having trouble coming up with a name for this question, but here's the issue I'm facing: I currently have an array in PHP containing several entries. Array ( [0] => stdClass Object ( [sender_id] => 0 [me ...

I am encountering an error when attempting to import the app from the server.js file in Express

In my server.js file, I have set up an express server and exported the app from it. //server.js require("dotenv").config(); const express = require("express"); const app = express(); const connectToDb = require("./connectToDb ...

Tips for accurately extracting values from a decoded JSON

Hello, I am posting this query because I recently encountered an issue with json encoding in PHP. When using the json_encode() function, my original JSON data gets converted to strings instead of maintaining its original variable type. For instance, let&a ...

Setting maxFontSizeMultiplier for all Text components

Is there a way to apply the prop maxFontSizeMultiplier={1} to all instances of <Text/> in my app without the need for a custom component? ...

Encountering an issue with undefined property 'path' while attempting to upload an image on the frontend in React

I have encountered an issue while trying to upload an image on the frontend. The error message displayed is: message: "Cannot read property 'path' of undefined" status: "fail" When I log req.file on the backend and attempt to ...

Looking for guidance and bug assistance in HTML and JS, possibly involving PHP and MySQL. Can anyone offer advice?

I'm attempting to create an auto-complete feature for a forum (similar to the tags below) that will function within LimeSurvey. I am fairly new to this, so please provide explanations as if you were explaining it to a 5-year-old :) My objectives are: ...

What is the correct way to encode an HTML string in JavaScript?

I have identified a XSS Scripting vulnerability in my code and I want to prevent it. To do so, I am utilizing a Jquery Encoder for protection against XSS Scripting attacks. Below is the JavaScript code snippet: function test(response) { $('#test ...

Guide on converting a date input to a timestamp

I am trying to convert the date retrieved from an HTML5 date input into a timestamp and store it as a variable. HTML: <form> <section class="input"> <input type="date" id="date" name="maintenanace_date"/> </section> <sectio ...

Making an asynchronous request from jQuery to a Slim Framework API endpoint

I'm currently working on incorporating Slim into my project and I'm facing some challenges with setting up the AJAX call correctly: $.ajax({ url: "/api/addresses/", type: 'POST', contentType: 'application/j ...

Why Does My HTML5 Canvas Rectangle Drawing Keep Vanishing?

How are you doing today? I recently discovered a new technique on this website that allowed me to draw a rectangle on an HTML5 canvas with the click of a button. However, I encountered an issue where the previous rectangle would disappear every time I tri ...

Combining two states in the Vuex store

In my Vuex store, I have two states: notes (synced notes with the server/DB) localNotes (unsynced notes that will move to 'notes' state upon syncing) To display the notes in a list, I use a getter that merges the two objects and returns the me ...

What could be causing my CORS fetch request to not send cookies to the server?

Trying to work out a CORS request using the fetch method: fetch('https://foobar.com/auth', { method: 'GET', mode: 'cors', credentials: 'include', }) The server-side code in express for impl ...

Error in Next.js 11: Unable to access property 'canonicalBase' as it is undefined

Encountering an issue after upgrading from Next.js version 10.0.2 to 11.0.1. Since the update, I am unable to initiate a project due to the following error: Cannot read property 'canonicalBase' of undefined In my _app.tsx file, the Next imports ...

Using the React context without explicitly setting the contextType or defining a default context

Is it possible to access the closest context from a provider without having to explicitly define contextType in a component by using this.context? Alternatively, is there a way to establish a default context so that when I use this.context, I automaticall ...

Using an if-else statement within a Vue event listener

Can this task be achieved using Vue: <button @click="(true) ? funcA : FuncB"> Click </button> In this scenario, the event is a click, however it could also involve keypress, keydown, input or any other events documented in vuejs. If ...

Searching for documents in MongoDB using minimum as a condition in the query

My user base is expansive, each facing a unique set of problems at different times. I am currently searching for users or documents that share a specific problem type (referred to as "top":1) but only among those, I am interested in isolating the entry wit ...

How to interact with the parent controller when including HTML using ng-include

I am trying to call a function in a controller from an ng-included HTML file that includes a directive with its own template. For example, the parent HTML template has this controller: <div ng-controller="profileCtrl"> <div ng-include src="p ...

Troubleshooting line break appearance glitch in Vue.js

When using my VueJS form, I encounter an issue where line breaks in my textarea content are ignored when rendering the email format on the Java backend side. How can I ensure that my line breaks are preserved when sending the content from the front end t ...

What to do while waiting for MySQL query in an asynchronous function?

Having an issue with my asynchronous function that queries the database using the mysql library. It seems like the function is not waiting for the query to complete before moving on. Here's the code snippet: async (eventName, eventArgs, app) => { ...

Executing a function in Node-Express with a database connection at the beginning of the application

I am relatively new to Node.js and currently working on a Node.js - Express solution as a back-end for an AngularJS web application. My goal is to send an email when the MSSQL database query returns specific information. I have successfully implemented thi ...