Sha256: f9efcdc91545ae9d42e0054b7c4dc3a3653933cf44154021c9eb7d9fb2ac3c29
Contents?: true
Size: 666 Bytes
Versions: 439
Compression:
Stored size: 666 Bytes
Contents
require 'active_support/core_ext/object/try'
class String
# Strips indentation in heredocs.
#
# For example in
#
# if options[:usage]
# puts <<-USAGE.strip_heredoc
# This command does such and such.
#
# Supported options are:
# -h This message
# ...
# USAGE
# end
#
# the user would see the usage message aligned against the left margin.
#
# Technically, it looks for the least indented line in the whole string, and removes
# that amount of leading whitespace.
def strip_heredoc
indent = scan(/^[ \t]*(?=\S)/).min.try(:size) || 0
gsub(/^[ \t]{#{indent}}/, '')
end
end
Version data entries
439 entries across 390 versions & 37 rubygems