method

format_paragraph

v3.1.0 - Show latest stable - Class: ActionMailer::MailHelper

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

public

Returns text wrapped at len columns and indented indent spaces.

Examples

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 40
    def format_paragraph(text, len = 72, indent = 2)
      sentences = [[]]

      text.split.each do |word|
        if (sentences.last + [word]).join(' ').length > len
          sentences << [word]
        else
          sentences.last << word
        end
      end

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

format_paragraph

Examples

Related methods