method

format_paragraph

rails latest stable - Class: ActionMailer::MailHelper

format_paragraph(text, len = 72, indent = 2)

public

Returns text wrapped at len columns and indented indent spaces. By default column length len equals 72 characters and indent indent equal two spaces.

my_text = 'Here is a sample text with more than 40 characters'

format_paragraph(my_text, 25, 4)
# => "    Here is a sample text with\n    more than 40 characters"

# File actionmailer/lib/action_mailer/mail_helper.rb, line 57
    def format_paragraph(text, len = 72, indent = 2)
      sentences = [[]]

      text.split.each do |word|
        if sentences.first.present? && (sentences.last + [word]).join(" ").length > len
          sentences << [word]
        else
          sentences.last << word
        end
      end

      indentation = " " * indent
      sentences.map! { |sentence|
        "#{indentation}#{sentence.join(' ')}"
      }.join "\n"
    end

format_paragraph

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