Function swc_ecma_compat_es2015::function_name

pub fn function_name() -> impl 'static + Copy + Fold + VisitMut

@babel/plugin-transform-function-name

Example

In

var number = function (x) {
  return x;
};
var Foo = (class {});

Out

var number = function number(x) {
  return x;
}
var Foo = (class Foo {});