Package-size

package-size

Get the bundle size of an npm packages.

package-size is a sweet CLI util, that gives us info about the bundle size of npm packages.

What it does?

  • Install the packages to a temp directory.
  • Bundle the packages with webpack and get the bundle size.
  • Show you the bundle size and cache it by package version.

Get it: npm install -g package-size

Sample usage:

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# 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 react+react-dom without using the cache
package-size react,react-dom --no-cache

# 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 [email protected] [email protected] react@15

# save results to file system in JSON format
# defaults to ./package-size-output.json
package-size cherow --output
# or custom path
package-size cherow --output stats.json

# analyze bundle with webpack-bundle-analyzer
package-size cherow --analyze

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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,
      versionedName: '[email protected],[email protected]'
    }
  })

GIF FTW!

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