tsdown

Blazing-fast bundler for TypeScript/JavaScript libraries powered by Rolldown and Oxc. Export an array for multiple build configurations: Use functions for dynamic configuration: Use glob patterns to build multiple packages: Always generate type declarations for TypeScript libraries: Externalize dependencies to avoid bundling unnecessary code: Use tree shaking for optimal bundle size: Enable minification for production builds: Add shims for better ESM/CJS compatibility: Auto-generate package.json exports : Use watch mode during development: Preserve structure for utilities with many files: Validate packages in CI before publishing: - Building TypeScript/JavaScript libraries for npm - Generating TypeScript declaration files (.d.ts) - Bundling for multiple formats (ESM, CJS, IIFE, UMD) - Optimizing bundles with tree shaking and minification - Migrating from tsup with minimal changes - Building React, Vue, Solid, or Svelte component libraries - Always generate type declarations for TypeScript libraries: { dts : true } - Externalize dependencies to avoid bundling unnecessary code: { deps : { neverBundle : [ / ^ react / , / ^ @myorg \/ / ] } } - Use tree shaking for optimal bundle size: { treeshake : true } - Enable minification for production builds: { minify : true } - Add shims for better ESM/CJS compatibility: { shims : true } // Adds __dirname, __filename, etc. - Auto-generate...