telegraf/src/core/helpers/compact.ts

Modern Telegram Bot Framework

export function compactOptions<T extends { [key: string]: unknown }>(
  options?: T
): T | undefined {
  if (!options) {
    return options
  }

  const compacted: Partial<T> = {}
  for (const key in options)
    if (
      // todo(mkr): replace with Object.hasOwn in v5 (Node 16+)
      Object.prototype.hasOwnProperty.call(options, key) &&
      options[key] !== undefined
    )
      compacted[key] = options[key]

  return compacted as T | undefined
}