TypeScript - Enum and Things

Warning

Enums will turn into runtime code; This has implications when running in node.

https://youtu.be/dh6BCSzaF6g?t=1419

const Foo = {
  FAILD = 'failed',
  SUCCESS = 'success'
} as const;
 
type Bar = typeof Foo;
 
type barKeys = keyof Bar;
typeof BarValues = Bar[BarKeys];
 
const x = (f: BarKeys) => f;
 
x('FAILED');
 
const y = (f: BarValues) => f;
y('failed');