**Finding the Index of a Table Row in Vue-Tables-2**

Recently, I came across some vue code that utilizes vue-tables-2. The table in question is quite simple and looks like this...

<v-client-table :data="myRows" :columns="columns" :options="options">
    <div slot="columnA" slot-scope="{row}">
        <input type="text" v-model.trim="row.someKey" class="form-control">
    </div>
    <div slot="etc"> ...

One thing that caught my attention was the slot-scope="{row}", rather than just slot-scope="row". Upon inspecting the rows, I found that each row had a structure like this...

 { row: { keyA: value, keyB: value, etc }, index: 1 },
 { row: { keyA: value, keyB: value, etc }, index: 2 }, etc

It seems like the original developer "destructured" the row object to save on typing, hence the use of 

v-model.trim="row.row.someKey"
.

Now, I'm tasked with adding a new column that requires both the row data and the array index of that particular row, as shown below...

    <div slot="columnZ" slot-scope="row">
        <p>col value is {{row.row.someOtherKey}} and index is {{row.index-1}}<p> 
    </div>

However, I find using row.row no more convenient than the initial setup, and the row.index provided starts from 1 instead of the usual zero-based array indexing.

My assumption is that these issues stem from vue-tables-2. Is there a way to work around these limitations while still utilizing the package? Specifically, can I access the row data without the extra layer of "row", and is there a method to obtain a zero-based array index for each row?

javascriptvue.jsvue-tables-2

Answer №1

Is there a way to extract the row data from the package without it being nested within another "row"?

It's a bit of a yes and no situation. Slot props, which are shared between the component and its slot, are always passed as a single object. However, you have control over what you name this object.

For example, in the case of slot="columnZ" slot-scope="row" (note that this syntax is deprecated - the current syntax is v-slot:columnZ="row")

  1. You can choose a different name for the object - it doesn't have to be "row", it could be "props" or anything else
  2. What you receive is an entire object - 
    { row: { keyA: value, keyB: value, etc }, index: 1 }

However, you can use destructuring to break down the object into individual components - v-slot:columnZ="{ row, index }"

This is similar to operations in plain JavaScript:

const obj = { row: { keyA: 1, keyB: "asdasd" }, index: 1 }
// The variables `row` and `index` here match the names of the properties
const { row, index } = obj

console.log(row)
console.log(index)

// You can also rename the variable
const { row: user } = obj
console.log(user)

If you need a zero-based index and it's not included by default, there may be little you can do about it unless the component allows for customization. One workaround would be to add a zero-based index key to each row if necessary.

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

Modifying the chart width in Chart.js: A step-by-step guide

After creating a chart using Chart Js, I encountered an issue where the chart did not fit within the specified width. Adjusting the attributes of canvas proved to be ineffective, specifically with regards to the width attribute. Despite changing the value, ...

javascripthtmlcsschartschart.js

How to dynamically set Bootstrap navbar item as active based on current filename?

Currently, as I construct my website using the bootstrap framework, I am facing a minor challenge. I want to activate a menu item based on the filename by utilizing an if statement. For instance, when the filename is "about," the "about" tab should be act ...

javascripthtml

The ApexChart Candlestick remains static and does not refresh with every change in state

I am currently working on a Chart component that retrieves chart data from two different sources. The first source provides historic candlestick data every minute, while the second one offers real-time data of the current candlestick. Both these sources up ...

javascriptreactjsapexcharts

Sending a second request with jQuery to upload a file

After successfully uploading a file using jQuery AJAX along with a progress bar (XHR), the next step involves processing the uploaded file on the server side. To check the status of this server-side processing, I attempt to make another jQuery AJAX request ...

javascriptjqueryajaxjquery-file-upload

Issues with Node JS app's handling of php mailer code

I've made a basic website using the Node JS framework and included a php mailer for handling the contact form. Unfortunately, I'm facing issues getting it to function properly. Could it be possible that there is an underlying problem with Node JS ...

javascriptphphtmlnode.jsphpmailer

What is the purpose of re-checking the user in the passport.deserializeUser function?

After reading multiple articles on how to utilize passport.js, I'm left wondering why user verification is repeated within the passport.deserializeUser function. The code snippet looks like this: passport.deserializeUser((id, done) => { console. ...

javascriptnode.jspassport.js

Altering the input type of a cloned element in Internet Explorer results in the loss of the value

When I have checkbox inputs displayed in a modal with preset value attributes, upon clicking "OK", I clone them and change their input types to hidden, then append them to a div in the document body. However, when trying to retrieve their values using jQue ...

javascriptjqueryinternet-explorer

Encountered an error while trying to click the cookie button using Selenium: "object[] does not have a size or

I've been struggling to interact with a button inside a pop-up using Selenium, but I keep encountering this error: object [HTMLDivElement] has no size and location I initially tried to simply click the button since it is visible on the page and I wai ...

javascripthtmlseleniumselenium-webdriver

Dynamic resizing in NextJs does not trigger a re-render

My goal is to dynamically pass the width value to a component's styles. Everything works fine on initial load, but when I resize the window, the component fails to re-render even though the hook is functioning as intended. I came across some informat ...

javascriptcssreactjsreact-hooksnext.js

Executing numerous HTTP requests in a single Node.js HTTP request

I am attempting to make a single URL call that will fetch multiple URLs and store their JSON responses in an array, which will then be sent as the response to the end user. Here is what my code looks like: var express = require('express'); var ...

javascriptjsonnode.jsexpressnpm

The options object provided for Ignore Plugin initialization in Webpack 5.21.2 does not conform to the API schema, resulting in an error

Here is the setup of my webpack.config.js on a backend server running webpack version 5.21.1: /* eslint-disable */ const path = require('path'); const webpack = require('webpack'); module.exports = { target: 'node', modul ...

javascriptwebpackwebpack-dev-server

Utilizing Angular's globally accessible variables

As we make the switch to Angular.js for our webapp, we are faced with the challenge of storing global data. In the past, we used a global object called app to store various functions and variables that needed to be accessed across different parts of the ap ...

javascriptangularjsglobalangular-services

Creating a visually appealing label by customizing it according to the child div

Can the label be styled based on whether the input is checked or not using CSS, or do I have to use JavaScript? <label class="filterButton"> <input name="RunandDrive" type="checkbox" value="1"> </label> ...

javascriptcss

Tips for concealing a dynamic table element in Angular 9

I have dynamically generated columns and rows in a table. Here is my HTML for the table component: <table id="tabella" class="table table-striped table-hover"> <thead class="thead-dark"> <tr> <th *ngFor="let header of _ob ...

javascripthtmlangularfrontend

Dynamically loading Ember templates with asynchronous requests

I need a way to dynamically load HTML content from another file using the code below: App.MainView = Ember.View.extend({ template:function(){ $.ajax({ url: 'views/main.html', dataType: 'text', async: false, ...

javascriptjqueryajaxember.js

Customized input field design for a discussion board platform

I am in the process of creating a forum-style website and I am in search of a unique open source HTML template that includes an editable text box where users can input their posts, similar to what is seen when posting a question or answer. I believe there ...

javascriptjqueryhtml

The touchstart event handler triggers but the event returns as undefined

@ontouchdown="handleTouch(event)" handleTouch(event) { console.log(event); console.log("touch event"); } Why is the event not being passed properly? ...

javascriptvue.js

Discover the method for two form fields to submit data to a distant page, located two pages away

Currently, I'm trying to figure out the best approach for having two fields submitted to a page that is located two pages away. To provide more context, let me elaborate on the situation. On the initial page, there will be two fields - workshop title ...

javascriptphpjqueryhtmlforms

What is the best way to limit a form to only allow 2 checkbox selections?

Seeking advice on implementing a form for a website giveaway featuring 3 prizes. Each participant should only be able to select 2 items from the list. I've already created a JavaScript-based form, but I'm concerned about its reliability since it ...

phpjavascript

Using Angular 6's httpClient to securely post data with credentials

I am currently working with a piece of code that is responsible for posting data in order to create a new data record. This code resides within a service: Take a look at the snippet below: import { Injectable } from '@angular/core'; import { H ...

javascriptangulartypescriptangular6