unplugin-legacy

🍣 A universal bundler plugin which adds export declarations to legacy non-module scripts.

Install

npm i unplugin-legacy

Vite

// vite.config.ts
import UnpluginLegacy from 'unplugin-legacy/vite'

export default defineConfig({
  plugins: [
    UnpluginLegacy({
      /* options */
    }),
  ],
})

Example: playground/

Rollup

// rollup.config.js
import UnpluginLegacy from 'unplugin-legacy/rollup'

export default {
  plugins: [
    UnpluginLegacy({
      /* options */
    }),
  ],
}

Webpack

// webpack.config.js
module.exports = {
  /* ... */
  plugins: [
    require('unplugin-legacy/webpack')({
      /* options */
    }),
  ],
}

Nuxt

// nuxt.config.js
export default defineNuxtConfig({
  modules: [
    [
      'unplugin-legacy/nuxt',
      {
        /* options */
      },
    ],
  ],
})

This module works for both Nuxt 2 and Nuxt Vite

Vue CLI

// vue.config.js
module.exports = {
  configureWebpack: {
    plugins: [
      require('unplugin-legacy/webpack')({
        /* options */
      }),
    ],
  },
}

esbuild

// esbuild.config.js
import { build } from 'esbuild'
import UnpluginLegacy from 'unplugin-legacy/esbuild'

build({
  plugins: [UnpluginLegacy()],
})

Usage

Options

For all options please refer to docs.

This plugin accepts all @rollup/plugin-legacy options.