What is the proper technique for inserting a variable into the header portion of a v-data-table from a JavaScript file?

I'm currently developing an application using Vue.js with datatables. I need to display the headers of a v-data-table component, and ideally, I would like to pass a variable that can be dynamic based on the language selected on the page.

Below is the code snippet showing the headers:

    headers: [
    { text: "Name", sortable: true, value: "name" },
    { text: "Lastname", sortable: true, value: "last_name" },
    { text: "Email", sortable: true, value: "email" },
    { text: "Role", sortable: true, value: "roles[0].name" },
    { text: "Actions", sortable: false, align: "center" }
  ],

I have a separate JavaScript file in another directory where the variables are stored, and I import it into my script section like this:

import message from "../../lang/index.js";

How can I incorporate the necessary variables in the text field of the headers?

UPDATE: Take a look at how the app appears here.

Instead of displaying the headers in English (e.g., "Name," "Lastname"), I want them to appear in Spanish ("Nombre"), without hardcoding the information in the text field of the headers.

Additionally, you can view the contents of my JavaScript file here, which contains various variables that need to be accessed. This is my first task at my new job, where I am tasked with integrating these variables throughout the application.

Answer №1

Exploring object properties, whether imported or local, is made possible through two types of accessors: Dot notation and bracket notation. A detailed explanation can be found in the informative Mozilla documentation linked below.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_accessors

Bracket notation offers a greater level of flexibility when accessing object properties.

Imagine you have a Vue component that includes a language selector dropdown and a data table.

Within your data block, the structure might resemble this:

data() {
    return {
        language: "en",
        languageOptions: ["en", "es"],
        headers: [
            { text: "Name", sortable: true, value: "name" },
            { text: "Lastname", sortable: true, value: "last_name" },
            { text: "Email", sortable: true, value: "email" },
            { text: "Role", sortable: true, value: "roles[0].name" },
            { text: "Actions", sortable: false, align: "center" }
        ],
    }
}

Also within your messages.js file:

export default {
    en: {
        name: "Name",
        lastName: "Last Name",
        role: "Role",
        email: "Email",
        actions: "Actions"
    },
    es: {
        name: "Nombre",
        number: "Numero",
        role: "El Oficio",
        email: "Email",
        actions: "Acción"
    }
}

To dynamically substitute header texts with values based on the selected language option:

messages[language][fieldName]:

Updated code snippet:

data() {
    return {
        language: "en",
        languageOptions: ["en", "es"],
        headers: [
            { text: messages[language]["name"], sortable: true, value: "name" },
            { text: messages[language]["lastName"], sortable: true, value: "last_name" },
            { text: messages[language]["email"], sortable: true, value: "email" },
            { text: messages[language]["role"], sortable: true, value: "roles[0].name" },
            { text: messages[language]["actions"], sortable: false, align: "center" }
        ],
    }
}

For further enhancements, consider exploring Vue's localization plugin vue-i18n.

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