function runLengthEncoding(text: string): string {
  let count = 0;
  let result = [];

  for ( let i : number = 0; i < text.length; i++ ){
    if ( text[i] === text[i+1] ) {
      count+=1
      result.splice(i, 1, '')
    } else {
      count+=1
      result.push(count+text[i])
      count = 0
    }
  }

  return result.join('');
}

// No modificar: necesario para evaluar el resultado.
export { runLengthEncoding };