babel/packages/babel-plugin-transform-es2015-classes/test/fixtures/loose/options.json

{
  "plugins": [
    "external-helpers",
    "transform-es2015-function-name",
    ["transform-es2015-classes", { "loose": true }],
    ["transform-es2015-spread", { "loose": true }],
    "transform-es2015-block-scoping"
  ]
}