Use when building a library, creating an npm package, configuring UMD/ESM/CJS output, or setting up package.json exports. Prevents bundling peer dependencies into the library or misconfiguring output formats. Covers build.lib configuration, external dependencies, output formats (es, cjs, umd, iife),
Use when building a library, creating an npm package, configuring UMD/ESM/CJS output, or setting up package.json exports. Prevents bundling peer dependencies into the library or misconfiguring output formats. Covers build.lib configuration, external dependencies, output formats (es, cjs, umd, iife), CSS handling, multiple entry points, vite-plugin-dts, and package.json exports. Keywords: build.lib