rollup-plugin-generate-package-json

rollup-plugin-generate-package-json

Generate package.json file with packages from your bundle using Rollup.

About

This plugin is useful when you have a lot of packages in your current package.json and want to create a lean one with only packages from your generated bundle, probably for deployment.

Installation

npm install rollup-plugin-generate-package-json --save-dev
# or
yarn add rollup-plugin-generate-package-json -D

Usage

// rollup.config.js
import generatePackageJson from 'rollup-plugin-generate-package-json'

export default {
  input: 'src/index.js',
  output: {
    file: 'dist/app.js',
    format: 'cjs'
  },
  plugins: [
    generatePackageJson()
  ]
}

Options

There are some useful options, all of them are optional:

inputPackageJson

Set input package.json file path, it can be a file or a directory. By default, root package.json file is used.

generatePackageJson({
  inputPackageJson: 'nested/folder'
})

outputFolder

Set output folder where generated package.json file will be saved. By default, it is the same folder where bundle was saved.

generatePackageJson({
  outputFolder: 'dist'
})

baseContents

Set base contents for your generated package.json file.

generatePackageJson({
  baseContents: {
    scripts: {
      start: 'node app.js'
    },
    dependencies: {},
    private: true
  }
})

additionalDependencies

Set additional dependencies which were not used in the bundle, but are used by the app.

generatePackageJson({
  additionalDependencies: ['pg']
})

License

MIT