End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Kconv.tojis

Kconv.tojis(str) => string

# File tmp/rubies/ruby-3.0.5/ext/nkf/lib/kconv.rb, line 74
def tojis(str)
  kconv(str, JIS)
end

Convert str to ISO-2022-JP

See also #tojis .toeuc .tolocale .kconv also in 3.3 · 3.2 · 3.1