Function modifier

typescript-engine/src/index.ts:17–25

(name: modifierKeys | ts.Modifier)

type modifierKeys = FilterKeys<typeof ts.SyntaxKind, ModifierSyntaxKind>;
export function modifier(name: modifierKeys | ts.Modifier): Modifier {
  if (typeof name !== "string") {
    return name;
  }

  const x = ts.SyntaxKind[name];

  return ts.factory.createModifier(x);
}

export function identifier(name: string | ts.Identifier): ts.Identifier {
  if (typeof name !== "string") {