rollup-plugin-stats

rollup-plugin-stats

Vite/Rolldown/Rollup plugin to generate bundle stats JSON file

Install

npm install --dev rollup-plugin-stats

or

pnpm add --save-dev rollup-plugin-stats

or

yarn add --dev rollup-plugin-stats

Configure

Vite

// vite.config.mjs
import { defineConfig } from 'vite';
import pluginStats from 'rollup-plugin-stats';

export default defineConfig({
  // your vite config
  plugins: [
    // add it as the last plugin
    pluginStats(),
  ],
});

Rollup

// rollup.config.mjs
import { defineConfig } from 'rollup';
import pluginStats from 'rollup-plugin-stats';

export default defineConfig({
  // your rollup config
  plugins: [
    // add it as the last plugin
    pluginStats(),
  ],
});

// rollup.config.js
const { defineConfig } = require('rollup');
const pluginStats = require('rollup-plugin-stats');

module.exports = defineConfig({
  // your rollup config
  plugins: [
    // add it as the last plugin
    pluginStats(),
  ],
});

Rolldown

// rolldown.config.js
import { defineConfig } from 'rolldown';
import pluginStats from 'rollup-plugin-stats';

export default defineConfig({
  // your rolldown config
  plugins: [
    // add it as the last plugin
    pluginStats(),
  ],
});

Options

• fileName - the JSON filepath relative to the build folder or absolute(default: stats.json)
• write - format and write the stats to disk(default: fs.write(filename, JSON.stringify(stats, null, 2)))
• stats
  • source - output asset/chunk/module source (default false)
  • map - output chunk map property (default: false)
  • excludeAssets - exclude matching assets: string | RegExp | ((filepath: string) => boolean) | Array<string | RegExp | ((filepath: string) => boolean)>
  • excludeModules - exclude matching modules: string | RegExp | ((filepath: string) => boolean) | Array<string | RegExp | ((filepath: string) => boolean)>

Development setup

Use the project node version

nvm use

Install dependencies

npm install

Prepare

npm run prepare

Related projects

bundle-stats

Analyze bundle stats(bundle size, assets, modules, packages) and compare the results between different builds. Support for webpack, rspack, vite, rolldown and rollup.

rollup-plugin-webpack-stats

Generate vite/rollup/rolldown stats JSON file with a bundle-stats webpack supported structure.

relative-ci.com

Automated bundle analysis, reviews and monitoring - Quickly identify and fix bundle regressions before shipping to production.

• In-depth bundle stats analysis for every build
• Monitor bundle stats changes and identify opportunities for optimizations
• Quick feedback with rule based automated review flow, GitHub Pull Request comments, GitHub check reports, or Slack messages
• Support for webpack, vite, rspack, rollup, rolldown
• Support for all major CI services(CircleCI, GitHub Actions, Gitlab CI, Jenkins, Travis CI)
• Support for npm, yarn and pnpm; support for monorepos
• Always free for Open Source

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