rollup-plugin-ts-treeshaking

Improve TypeScript tree-shaking with Rollup and UglifyJS/Terser.

Uses rollup-plugin-replace to replace /** @class */ annotations generated by TypeScript with /*@__PURE__*/ that can be used by uglifyjs, uglify-es and terser for dead code elimination.

Installation

NPM

npm i -D rollup-plugin-ts-treeshaking

Yarn

yarn add -D rollup-plugin-ts-treeshaking

Usage

import typescript from 'rollup-plugin-typescript2';
import tsTreeshaking from 'rollup-plugin-ts-treeshaking';
 
export default {
  plugins: [
    typescript(),
    tsTreeshaking(),
    /* ... */
  ],
  /* ... */
};

Options

js

Enables processing of .js and .jsx files in addition to .ts and .tsx.

type: boolean
default: true

License

MIT