Apply ES2015 function.name semantics to all functions
$ npm install babel-plugin-transform-es2015-function-name
.babelrc
{
"plugins": ["transform-es2015-function-name"]
}
$ babel --plugins transform-es2015-function-name script.js
require("babel-core").transform("code", {
plugins: ["transform-es2015-function-name"]
});