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README.md

babel-brunch

Brunch plugin using Babel to turn latest ECMAScript standard code into vanilla ES5 with no runtime required.

All the .js files in your project will be run through the babel compiler, except those it is configured to ignore, unless you use the pattern option.

Additionally, starting Brunch 2.7, babel-brunch will also compile NPM dependencies.

Installation

npm install --save-dev babel-brunch

Configuration

babel-preset-env (a Babel preset that can automatically determine the plugins and polyfills you need based on your supported environments) is used by default.

The default behavior without options runs all transforms (behaves the same as babel-preset-latest).

Optionally, you can configure the preset for your needs:

module.exports.plugins = {
  babel: {
    presets: [['env', {
      targets: {
        browsers: ['last 2 versions', 'safari >= 7']
      }
    }]]
  }
}

Read more about env's options.

Using React or any other plugin

Install a plugin:

npm install --save-dev babel-preset-react

Then, make sure Brunch sees it:

module.exports.plugins = {
  // ...
  babel: {
    presets: ['env', 'react']
  }
}

Ignoring node modules

module.exports.plugins = {
  // ...
  babel: {
    ignore: [
      /^node_modules/,
      'app/legacyES5Code/**/*'
    ]
  }
}

Changing which files would be compiled by Babel

module.exports.plugins = {
  // ...
  babel: {
    pattern: /\.(js|vue)$/ // By default, JS|JSX|ES6 are used.
  }
}

Set Babel options in your Brunch config (such as brunch-config.js) except for filename and sourceMap which are handled internally.

Change Log

See release notes page on GitHub

License

ISC

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