@fmss/babel-preset

FMSS's Babel preset configuration

Installation

npm install --save-dev @babel/core @fmss/babel-preset

Usage

In your babel.config.js or .babelrc file:

module.exports = {
  presets: ['@fmss/babel-preset', {typescript: true, react: false}],
};

Features

• Supports modern JavaScript features (ES2015+)
• TypeScript support (with typescript: true option)
• React support (with react: true option)

Configuration Options

module.exports = {
  presets: [
    [
      '@fmss/babel-preset',
      {
        // TypeScript support
        typescript: false,

        // React support
        react: false,

        // CoreJS version
        corejs: 3,

        // Module format ('auto', 'commonjs', false, etc.)
        modules: 'auto',

        // Polyfill strategy ('entry', 'usage', false)
        useBuiltIns: 'entry',
      },
    ],
  ],
};

Options

corejs, debug, modules, useBuiltIns

These options come from the @babel/preset-env preset and match the default values.

Read the options for more information on the possible values.

typescript

Enables @babel/preset-typescript to transfrom TypeScript into Javascript.

typescriptOptions

See all available options.

transformRuntime

boolean, defaults to false

This option when true will enable the @babel/plugin-transform-runtime plugin.

transformRuntimeOptions

This option configures the @babel/plugin-transform-runtime plugin when the transformRuntime option has been enabled.

See available options.

react

boolean, defaults to false.

This option when true will enable the @babel/preset-react preset.

reactOptions

See all available options here.

reactOptions.useBuiltIns

boolean, defaults to true

Will use the native built-in instead of trying to polyfill behavior for any plugins that require one.

For more detailed information, please refer to the Babel documentation.