options util.ts

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  import { Command, Option } from 'commander';
 
export const addOptions = (command: Command, options: Option[]) => {
  for (const option of options) command.addOption(option);
 
  return command;
};
 
export const newOption = <T>(
  flags: string,
  description: string,
  envName: string,
  argParser?: (value: string, previous: T) => T,
  defaultValue?: unknown
) => {
  const option = new Option(flags, description).env(envName);
 
  if (argParser !== undefined) option.argParser(argParser);
  if (defaultValue !== undefined) option.default(defaultValue);
 
  return option;
};