/**
 * Inserts a string before the first occurrence of the search term
 * @param source
 * @param searchTerm
 * @param addition
 * @returns
 */
export function insertBeforeString(source: string, searchTerm: string, addition: string): string {
  const position = source.indexOf(searchTerm)
  return [source.slice(0, position), addition, source.slice(position)].join('\n')
}

/**
 * Inserts a string after the first occurrence of the search term
 * @param source
 * @param searchTerm
 * @param addition
 * @returns
 */
export function insertAfterString(source: string, searchTerm: string, addition: string): string {
  const position = source.indexOf(searchTerm)
  return [source.slice(0, position + searchTerm.length), addition, source.slice(position + searchTerm.length)].join(
    '\n'
  )
}