what is vue cli

vue cli is a complete system for rapid development based on [Vue.js]. It is an interactive project scaffolding implemented through [@vue/cli]. Vue CLI is committed to standardizing the tool base in the Vue ecosystem. , which ensures that various build tools can connect smoothly based on intelligent default configurations.

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Vue CLI is a complete system for rapid development based on Vue.js, providing:

• Interactive projects implemented through @vue/cli scaffold.

• Zero-configuration prototype development through @vue/cli @vue/cli-service-global.

• A runtime dependency (@vue/cli-service), this dependency:

  can be upgraded;

  is built based on webpack and comes with Reasonable default configuration;

  can be configured through the configuration file within the project;

  can be extended through plug-ins.

• A rich collection of official plug-ins that integrates the best tools in the front-end ecosystem.

• A fully graphical user interface for creating and managing Vue.js projects.

Vue CLI is committed to standardizing the tool foundation in the Vue ecosystem. It ensures that various build tools can connect smoothly based on intelligent default configurations, so that you can focus on writing applications instead of spending days worrying about configuration issues. At the same time, it also provides each tool with the flexibility to adjust configurations without ejecting.

Components of the system

Vue CLI has several independent parts - if you see our source code, you will find that this repository manages both Multiple individually released packages.

CLI

CLI (@vue/cli) is a globally installed npm package that provides vue commands in the terminal. It can quickly build a new project through vue create, or build a prototype of a new idea directly through vue serve. You can also manage all your projects through a set of graphical interfaces through vue ui. We’ll go into more depth, chapter by chapter, in the following guides.

CLI service

CLI service (@vue/cli-service) is a development environment dependency. It is an npm package that is installed locally in every project created by @vue/cli.

CLI service is built on top of webpack and webpack-dev-server. It includes:

• Core services for loading other CLI plug-ins;

• An internal webpack configuration optimized for most applications;

• The vue-cli-service command inside the project provides serve, build and inspect commands.

If you are familiar with create-react-app, @vue/cli-service is actually roughly equivalent to react-scripts, although the feature set is different.

The CLI service chapter covers its specific usage.

CLI plugin

CLI plugin is an npm package that provides optional functionality to your Vue project, such as Babel/TypeScript transpilation, ESLint integration, unit testing, and end- to-end testing etc. The name of the Vue CLI plug-in starts with @vue/cli-plugin- (built-in plug-in) or vue-cli-plugin- (community plug-in), which is very easy to use.

When you run the vue-cli-service command inside the project, it will automatically parse and load all CLI plugins listed in package.json.

Plug-ins can be used as part of the project creation process or added to the project at a later stage. They can also be grouped into a set of reusable presets. We’ll discuss this in depth in the plugins and presets chapter.

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