babel-preset-node-module

babel-preset-node-module

This package includes the Babel preset used by Modern Node. It includes:

• babel-preset-latest for production
• babel-preset-env for testing (an "autoprefixer" for babel-preset-latest)
• babel-preset-react (for JSX and flow)
• babel-plugin-transform-class-properties (class { handleClick = () => { } })
• babel-plugin-transform-object-rest-spread (let n = { x, y, ...z };)

Usage

After installing babel, you can install this package as a dependency:

npm install --save-dev babel-preset-node-module

And configure Babel to use it by editing .babelrc:

{
  "presets": ["node-module"]
}

Options

• targets - an object of browsers/environment versions to support.
• browsers (array/string) - an query to select browsers (ex: last 2 versions, > 5%).

See babel-preset-env for details description of these options.

It defaults to current node version in development and test environment. For production babel-preset-latest is used.

• loose (boolean) - Enable "loose" transformations
• modules - Enable transformation of ES6 module syntax to another module type (Enabled by default to "commonjs").
  • Can be false to not transform modules, or one of ["amd", "umd", "systemjs", "commonjs"].
• debug (boolean) - console.log out the targets and plugins being

Example:

{
  "presets": [
    ["node-module", {
      "targets": {
        "chrome": 52,
        "browsers": "last 2 safari versions"
      },
      "loose": true,
      "modules": false
    }]
  ]
}