babel-preset-env

Babel preset for all envs.

Install

$ npm install --save-dev babel-preset-env

.babelrc

{
  "presets": ["env"]
}

$ babel script.js --presets env

require("babel-core").transform("code", {
  presets: ["env"]
});

loose - Enable "loose" transformations for any plugins in this preset that allow them (Disabled by default).

{
  presets: [
    ["env", {
      chrome: 49
    }]
  ]
}