Element Plus

Overview

Element Plus is a UI component library specifically engineered for Vue 3 applications, providing a rich set of pre-built, customizable components. It serves as a direct successor and evolution of the popular Element UI library for Vue 2, offering a familiar development experience for those migrating or starting new projects in the Vue 3 ecosystem. The library emphasizes a consistent design language, which can streamline the development process for enterprise applications where uniformity across user interfaces is critical. Developers can utilize Element Plus components to construct complex layouts and interactive elements, ranging from basic buttons and forms to advanced data tables and navigation structures.

The library's design philosophy focuses on providing a balance between out-of-the-box utility and extensive customization. Each component is built with accessibility considerations in mind, aiming to meet modern web standards. Customization is primarily achieved through CSS variables, allowing developers to modify themes and styles without deep overrides of core component logic. This approach supports the creation of distinct brand identities while maintaining the structural integrity of the components. Element Plus also offers a global configuration mechanism, enabling developers to set default properties and behaviors across their application, further enhancing consistency and reducing repetitive code.

Element Plus is particularly well-suited for scenarios requiring rapid application development within a Vue 3 environment. Its comprehensive documentation, including detailed API references for each component, assists developers in quickly integrating and configuring the library. The project's open-source nature fosters community contributions and ensures ongoing maintenance and feature enhancements. For teams building large-scale applications that demand a robust, maintainable, and visually cohesive UI, Element Plus presents a viable solution.

The transition from Vue 2's Element UI to Element Plus for Vue 3 is designed to be relatively smooth, with many component names and props remaining similar, though with necessary updates to align with Vue 3's composition API and other architectural changes. This makes it an attractive option for existing teams looking to upgrade their technology stack while preserving development knowledge and patterns. The library's modular structure also allows developers to import only the components they need, which can contribute to optimizing bundle sizes and application performance.

Key features

• Comprehensive Component Set: Offers a wide array of UI components including forms, data displays, navigation, feedback, and more, covering common enterprise application needs.
• Vue 3 Compatibility: Built specifically for Vue 3, leveraging its performance improvements and Composition API for enhanced development experience.
• Consistent Design System: Adheres to a unified design language, promoting visual consistency across applications and reducing design debt.
• Theming and Customization: Supports extensive theming through CSS variables, allowing developers to adapt component aesthetics to specific brand guidelines.
• Internationalization Support: Includes built-in internationalization capabilities, making it easier to adapt applications for global audiences.
• Accessibility (A11y) Focus: Components are designed with accessibility in mind, aiming to meet WCAG standards for inclusive user interfaces.
• TypeScript Support: Provides full TypeScript type definitions, enhancing code quality and developer productivity in TypeScript projects.
• Virtual List for Performance: Offers virtual list components to efficiently render large datasets, improving performance for data-intensive applications.

Pricing

Element Plus is distributed under the MIT License, making it free and open source for all uses.

Common integrations

• Vue Router: Commonly used for managing application routing in Vue projects, seamlessly integrating with Element Plus navigation components.
• Pinia / Vuex: State management libraries that complement Element Plus by providing centralized data stores for complex applications.
• Vite / Webpack: Build tools used for bundling Vue applications, Element Plus integrates with both for efficient development workflows.
• Axios: A promise-based HTTP client for making API requests, often used alongside Element Plus components that display or interact with remote data. For more details on making HTTP requests, refer to the Axios introduction documentation.
• Jest / Vitest: Testing frameworks for unit and component testing of Vue applications utilizing Element Plus.

Alternatives

• Vuetify: A complete UI framework for Vue, based on Material Design principles, offering a large ecosystem and extensive theme customization.
• Naive UI: A Vue 3 UI library that is fully typed in TypeScript, providing a comprehensive set of components with an emphasis on performance and a unique design aesthetic.
• Ant Design Vue: The Vue implementation of Ant Design, offering enterprise-class UI components following the Ant Design specification, known for its rich feature set and detailed guidelines.

Getting started

To begin using Element Plus in a Vue 3 project, first ensure you have a Vue 3 project set up. You can then install Element Plus using npm or yarn. After installation, you'll need to import and register the components globally or locally within your application. The following example demonstrates a basic setup, importing the full library and a button component:

# Using npm
npm install element-plus --save

# Using yarn
yarn add element-plus

Once installed, you can integrate Element Plus into your Vue application. A common approach is to import the library and its styles in your main application entry file (e.g., main.js or main.ts), as shown in the Vue application setup below:

// main.js (or main.ts)
import { createApp } from 'vue'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import App from './App.vue'

const app = createApp(App)
app.use(ElementPlus)
app.mount('#app')

With Element Plus configured, you can then use its components directly within your Vue templates. For instance, to add a simple button, you would include the <el-button> tag in your component's template. The library provides many properties and slots for each component, allowing for extensive customization. Refer to the Element Plus Button component documentation for specific usage examples and available props.

<!-- App.vue -->
<template>
  <div id="app">
    <el-button type="primary" @click="handleClick">Hello Element Plus</el-button>
    <el-date-picker v-model="dateValue" type="date" placeholder="Pick a day"></el-date-picker>
  </div>
</template>

<script>
import { ref } from 'vue';

export default {
  setup() {
    const dateValue = ref('');
    const handleClick = () => {
      alert('Button clicked!');
    };
    return {
      dateValue,
      handleClick
    };
  }
}
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

This example demonstrates how to add an Element Plus button and a date picker to a Vue component. The type="primary" attribute applies a primary style, and @click="handleClick" binds a method to the button's click event. The el-date-picker component uses v-model for two-way data binding with a reactive reference, dateValue. This fundamental setup allows developers to quickly integrate and utilize the rich set of Element Plus components in their Vue 3 applications.