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Asynchronous initialization using onNuxtReady

Popularity：950 ℃/2024-08-16 12:19:10

title: Asynchronous Initialization with onNuxtReady
date: 2024/8/16
updated: 2024/8/16
author: cmdragon

excerpt:
Abstract: This article describes in detail the framework of the onNuxtReady function purpose, usage scenarios and its implementation steps, and through the integration of the analysis library sample code, to guide the developer how to perform asynchronous operations after the completion of the application initialization to optimize the user experience.

categories:

  • front-end development

tags:

  • initialization
  • plug-in (software component)
  • analyze
  • library loading
  • client (computing)
  • synchronous

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utilizationonNuxtReady Perform asynchronous initialization

In theonNuxtReady
is a very useful combinatorial function suitable for executing some non-blocking code after the application initialization is complete. For code that needs to run but should not interfere with the initial rendering (e.g. loading analysis libraries, initializing third-party services, etc.), theonNuxtReady
Ideal for.

What is it?onNuxtReady？

onNuxtReady is a function provided by Nuxt that allows the developer to add a new function to the Nuxt
Certain code is run after the application has finished initializing. This means that this code is not executed until the page is first rendered and the user sees the page, so it does not cause any delay in the user experience.

take note of：onNuxtReady Runs only on the client side, which means it will not execute during server-side rendering.

Usage Scenarios

Common usage scenarios include:

  • Load Analysis Tool
  • Initialize third-party libraries (e.g., chart libraries, map services, etc.)
  • Starting a WebSocket Connection

How to useonNuxtReady

Use in projectsonNuxtReady The basic steps are as follows:

  1. Create a plugin file (e.g.plugins/）。
  2. utilizationdefineNuxtPlugin Define the plug-in.
  3. Called from within the pluginonNuxtReadyand pass in the required asynchronous logic.

Here is a simple example showing how to use theonNuxtReady Load a hypothetical analysis library.

Example: Integration Analysis Library

Step 1: Create the plug-in file

In your project, create a new plugin fileplugins/。

// plugins/

export default defineNuxtPlugin(() => {
    onNuxtReady(async () => {
        // Dynamic import of analysis libraries
        const myAnalyticsLibrary = await import('my-big-analytics-library')

        // Initialization using the Analysis Library
        ({
            trackingId: 'YOUR_TRACKING_ID',
        });

        ('Analytics library has been initialized.');
    });
});

Step 2: Configuration

Make sure your plugin files are in the is configured to run only on the client.

// 

export default defineNuxtConfig({
    plugins: [
        {src: '~/plugins/', mode: 'client'},
    ],
});

Step 3: Testing

Now, when your Nuxt application has started and finished loading, theonNuxtReady The code in will run. The Analytics library will be dynamically imported and initialized. Open your browser's developer tools and you will see the console output: "Analytics
library has been initialized.”

summarize

onNuxtReady is a powerful tool that enables developers to safely run certain logic after the initialization of the application is complete. With dynamic import, you can load libraries without blocking page rendering, providing a smoother user experience.

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