Sha256: e2fb7b47a0b52625d7c578e947dd8d70947d11a4b4bebf1b7e96ded485a90c6d
Contents?: true
Size: 706 Bytes
Versions: 82
Compression:
Stored size: 706 Bytes
Contents
# frozen_string_literal: true
module Rubysmith
module Text
# Inserts content before or after a line for a given pattern in an array of lines.
class Inserter
def initialize lines, kind = :after
@lines = lines.dup
@kind = kind
end
def call content, pattern
lines.index { |line| line.match? pattern }
.then { |index| lines.insert index + offset, content if index }
lines
end
private
attr_reader :lines, :kind
def offset
case kind
when :before then 0
when :after then 1
else fail StandardError, "Unknown kind of insert: #{kind}."
end
end
end
end
end
Version data entries
82 entries across 82 versions & 1 rubygems