package-size

Install

yarn global add package-size

Usage

# get the size of vue bundle
package-size vue

# get the size of react+react-dom bundle
package-size react,react-dom

# get the size of vue react+react-dom preact bundles
package-size vue react,react-dom preact

# get the size of file in current working directory
package-size ./dist/index.js
# or a package in current working directory, explictly using `--cwd` flag
package-size vue --cwd

# or event multiple versions for the same package!
package-size react@0.10 react@0.14 react@15

If the package contains ES6 code, please use --es6 option, otherwise it will throw error (uglifyjs can't parse ES6 code).

API

const getSizes = require('package-size')

getSizes('react,react-dom', options)
  .then(data => {
    console.log(data)
    //=>
    {
      name: 'react,react-dom',
      size: '12023', // in bytes
      minified: '2342',
      gzipped: '534'
    }
  })

options

es6

Type: boolean
Default: false

Compile ES6 to ES5 using buble.

sort

Type: boolean
Default: false

Sort packages in size (from small to large).

cwd

Type: boolean
Default: false

Resolve modules in current working directory instead of a cache folder. Relative path will set cwd to true by default.

externals

Type: string or Array<string|RegExp>
Default: undefined

The package to exclude from bundled file, for example, to get the bundle size of styled-jsx/style we need to exclude react:

package-size styled-jsx/style --externals react

Note that if some item in externals is provided as string, it will be wrapped in a regular expression. For example: react is treated as /^react$/

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature
3. Commit your changes: git commit -am 'Add some feature'
4. Push to the branch: git push origin my-new-feature
5. Submit a pull request :D

Author

package-size © EGOIST, Released under the MIT License.
Authored and maintained by EGOIST with help from contributors (list).

egoistian.com · GitHub @egoist · Twitter @rem_rin_rin