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class String
# Adds a newline character unless
# this string is empty or already ends with a newline
# See https://unix.stackexchange.com/a/18789
def ensure_newline
empty? || ends_with?("\n") ? self : self + "\n"
end
def friendlish
I18n.transliterate(self).
downcase.
gsub(/[^0-9a-z ]/, '').
squish.
gsub(' ', '-')
end
def markdown_paragraphs
split(/\n\s*\n/)
end
def normalize_whitespaces
gsub(/([^[:ascii:]])/) { $1.blank? ? ' ' : $1 }
end
def file_extension
File.extname(self).delete '.'
end
end
# The nil-safe affable pipeline goes as follow:
#
# i18n > markdownified > sanitized > affable
#
# Where:
# * i18n: translates to current locale
# * markdownified: interpretes markdown in message and generates HTML
# * sanitized: sanitizes results HTML
# * affable: changes structure to hide low level details
#
# Other classes may polymorphically implement their own
# markdownified, sanitized and affable methods with similar semantics
# to extend this pipeline to non-strings
class String
# Creates a humman representation - but not necessary UI - representation
# of this string by interpreting its markdown as a one-liner and sanitizing it
def affable
markdownified(one_liner: true).sanitized
end
# Interprets the markdown on this string, and converts it into HTML
def markdownified(**options)
Mumukit::ContentType::Markdown.to_html self, options
end
# Sanitizes this string, escaping unsafe HTML sequences
def sanitized
Mumukit::ContentType::Sanitizer.sanitize self
end
def randomize_with(randomizer, seed)
randomizer.randomize!(self, seed)
end
end
Version data entries
43 entries across 43 versions & 1 rubygems