vite-plugin-banner

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Features

Adds a banner to the top of each generated chunk.

Install

Install the package from npm (or yarn, or pnpm).

npm install --save-dev vite-plugin-banner

Options

Since v0.2.0, This plugin support a String or an Object to be the plugin options.

Plugin Options Type	Description	Example
string	The banner content	Basic usage
{ outDir: string; content: string }	content: The comment content of the banner outDir: The output directory from vite	Optional parameter format

Usage

In most cases, just use the String format as a plugin option.

In some special cases, such as in VitePress, you need to use Object format to pass in plugin options, see Optional parameter format.

Basic usage

Add it to vite.config.ts

// vite.config.ts
import banner from 'vite-plugin-banner'
// Other dependencies...

export default defineConfig({
  plugins: [
    banner('This is the banner content.'),
  ]
})

When you run npm run build on your project, In the dist folder(Or the build.outDir in vite.config.ts you configured), Except for vendor files, all js and css files will add a banner to the top.

e.g. in app.b3a7772e.js:

/* This is the banner content. */
var e=Object.assign;import{M as t,d as a,u as r,c......

Advanced usage

Of course, the most ideal banner is related to your package information.

First, You need to update your package.json like this, For example, it contains such field content:

{
  "name": "chengpeiquan.com",
  "version": "0.1.0",
  "description": "My personal website, technology stack based on Vue.js 3.0, and Vite 2.0, use Server Side Generation.",
  "author": "chengpeiquan",
  "homepage": "https://chengpeiquan.com/"
}

Then, import the package.json into vite.config.ts, update the banner like this:

// vite.config.ts
import pkg from './package.json'
// Other dependencies...

export default defineConfig({
  plugins: [
    banner(`/**\n * name: ${pkg.name}\n * version: v${pkg.version}\n * description: ${pkg.description}\n * author: ${pkg.author}\n * homepage: ${pkg.homepage}\n */`),
  ]
})

Run npm run build, you can see the banner become more detailed.

e.g. in app.6936be52.js:

/**
 * name: chengpeiquan.com
 * version: v0.1.0
 * description: My personal website, technology stack based on Vue.js 3.0, and Vite 2.0, use Server Side Generation.
 * author: chengpeiquan
 * homepage: https://chengpeiquan.com/
 */
var e=Object.assign;import{M as t,d as a,u as r,c......

Fun usage

If you want to make some banners that show your personality, you can make some interesting content from some online generators.

Such as:

• http://www.network-science.de/ascii/

• https://www.bootschool.net/ascii

// vite.config.ts
export default defineConfig({
  plugins: [
    banner(`
    ██   ██         ███████   ██      ██ ████████   ██    ██   ███████   ██     ██
    ░██  ░██        ██░░░░░██ ░██     ░██░██░░░░░   ░░██  ██   ██░░░░░██ ░██    ░██
    ░██  ░██       ██     ░░██░██     ░██░██         ░░████   ██     ░░██░██    ░██
    ░██  ░██      ░██      ░██░░██    ██ ░███████     ░░██   ░██      ░██░██    ░██
    ░██  ░██      ░██      ░██ ░░██  ██  ░██░░░░       ░██   ░██      ░██░██    ░██
    ░██  ░██      ░░██     ██   ░░████   ░██           ░██   ░░██     ██ ░██    ░██
    ░██  ░████████ ░░███████     ░░██    ░████████     ░██    ░░███████  ░░███████ 
    ░░   ░░░░░░░░   ░░░░░░░       ░░     ░░░░░░░░      ░░      ░░░░░░░    ░░░░░░░  
    `)
  ]
})

Run npm run build, e.g. in app.d9a287b8.js:

/* 
    ██   ██         ███████   ██      ██ ████████   ██    ██   ███████   ██     ██
    ░██  ░██        ██░░░░░██ ░██     ░██░██░░░░░   ░░██  ██   ██░░░░░██ ░██    ░██
    ░██  ░██       ██     ░░██░██     ░██░██         ░░████   ██     ░░██░██    ░██
    ░██  ░██      ░██      ░██░░██    ██ ░███████     ░░██   ░██      ░██░██    ░██
    ░██  ░██      ░██      ░██ ░░██  ██  ░██░░░░       ░██   ░██      ░██░██    ░██
    ░██  ░██      ░░██     ██   ░░████   ░██           ░██   ░░██     ██ ░██    ░██
    ░██  ░████████ ░░███████     ░░██    ░████████     ░██    ░░███████  ░░███████ 
    ░░   ░░░░░░░░   ░░░░░░░       ░░     ░░░░░░░░      ░░      ░░░░░░░    ░░░░░░░  
     */
var e=Object.assign;import{M as t,d as a,u as r,c......

Optional parameter format

I'm not sure what other scenarios besides VitePress need to use this method to pass in options, so I use VitePress as an example, I hope it can give you a reference

// docs/.vitepress/config.ts
import { defineConfig } from 'vitepress'
import banner from 'vite-plugin-banner'
import pkg from '../../package.json'

const outDir = '../dist'

export default defineConfig({
  // Specify the output directory for packaging
  outDir,

  // Use Vite plugins
  vite: {
    plugins: [
      // Please remember to use the options in Object format here
      banner({
        outDir,
        content: `/**\n * name: ${pkg.name}\n * version: v${pkg.version}\n * description: ${pkg.description}\n * author: ${pkg.author}\n * homepage: ${pkg.homepage}\n */`,
      }),
    ],
  },
  // ...
})

Why do it?

Because in VitePress, what you get through viteConfig.build.outDir is always a .temp temporary directory, not the final output directory, so you need to manually specify the output directory to inform the plugin

License

MIT License © 2021 chengpeiquan