Getting Started

Installation

pnpm

pnpm -D add unplugin-detect-duplicated-deps

npm

npm add -D unplugin-detect-duplicated-deps

yarn

yarn add -D unplugin-detect-duplicated-deps

bun

bun add -D unplugin-detect-duplicated-deps

Add to config file

Vite

// vite.config.ts
import UnpluginDetectDuplicatedDeps from 'unplugin-detect-duplicated-deps/vite';

export default defineConfig({
  plugins: [UnpluginDetectDuplicatedDeps()],
});

Rollup

// rollup.config.js
import UnpluginDetectDuplicatedDeps from 'unplugin-detect-duplicated-deps/rollup';

export default {
  plugins: [UnpluginDetectDuplicatedDeps()],
};

Webpack

// webpack.config.mjs
import UnpluginDetectDuplicatedDeps from 'unplugin-detect-duplicated-deps/webpack';

const config = {
  plugins: [UnpluginDetectDuplicatedDeps()],
};
export default config;

WARNING

Because vite6 plan to deprecate commonjs node api, this plugin deprecate the commonjs support from 1.x. If you want use this plugin in commonjs environment, check 0.x

Use as build checker

export default defineConfig({
  plugins: [
    UnpluginDetectDuplicatedDeps({
      // will exit build process if duplicated deps found
      throwErrorWhenDuplicated: true,
      // ignore specific duplicated deps
      ignore: {
        axios: ['0.27.2'],
        vue: ['*'],
      },
    }),
  ],
});