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The best Rollup config for TypeScript libraries

 2 years ago
source link: https://gist.github.com/aleclarson/9900ed2a9a3119d865286b218e14d226
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Features

fireBlazing fast builds
innocent CommonJS bundle
evergreen_tree.mjs bundle
sparkles.d.ts bundle + type-checking
monocle_face Source maps

Install

  1. Install pnpm or replace the pnpm i part with Yarn or NPM.

  1. Run this in your terminal:

    pnpm i esbuild rollup rollup-plugin-esbuild rollup-plugin-dts -D
wget -O rollup.config.js https://gist.githubusercontent.com/aleclarson/9900ed2a9a3119d865286b218e14d226/raw/rollup.config.js

  2. Ensure your tsconfig.json contains these values:

    "compilerOptions": {
  "target": "esnext"
}

  3. Ensure your package.json contains these values (and replace the my-lib part):

    "main": "dist/my-lib.js",
"module": "dist/my-lib.mjs",
"typings": "dist/my-lib.d.ts",

  4. Change the input: 'src/index.ts' line in rollup.config.js if needed.

  5. All done! Now do yarn rollup -c to build, or add this to your package.json:

    "scripts": {
  "build": "rollup -c"
}

report

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