truncate_words.rb

def truncate(string, words)
  # Define the maximum number of characters that can be used before
  # standard truncation is applied (prevents long words from ruinning HTML).
  max_chars = 6 * words
  words_array = string.split(" ") # splits each word into an array ["like", "this"]
  index = words - 1 # array indexes start at 0, so let's take one number off the words amount.
  truncated = words_array[0..index].join(" ")
  
  return truncated + "..."
end