askirmas / react-classnaming

const stringifyProperty: SymbolConstructor["toPrimitive"] | "valueOf" | "toString"  = Symbol.toPrimitive

const {

  defineProperty: $defineProperty

} = Object

export {

 stringifyClassNamed, emptize

}

function stringifyClassNamed<T extends {className: string}>(source: T) :T {

  if (!source.hasOwnProperty(stringifyProperty))

    $defineProperty(source, stringifyProperty, {value: classNamedToString})

  return source

}

function classNamedToString(this: {className: string}) {

  return this.className

}

function emptize(source: undefined|Record<string, any>) {

  if (

    source

    && !source.hasOwnProperty(stringifyProperty)

  )

    $defineProperty(source, stringifyProperty, {value: emptyLambda})

  return source

}

function emptyLambda() {

  return "" as const

}