riz zsh function - ruby docs with color

ruby.zsh

# This file is located at ~/.zsh/ruby.zsh and sourced from ~/.zshrc

# chruby settings
source /opt/homebrew/opt/chruby/share/chruby/chruby.sh
source /opt/homebrew/opt/chruby/share/chruby/auto.sh
chruby ruby-3.4.8

# ruby env vars for installing docs
export RUBY_CONFIGURE_OPTS="--with-libyaml-dir=$(/opt/homebrew/bin/brew --prefix libyaml) --enable-install-doc"
export RI_BASE_DIR="$HOME/.local/share/rdoc"

# Ruby docs with color
riz() {
  [[ -z "$1" ]] && echo "riz needs a Ruby method or class as an argument (Array, Array#map, map)" && return 0

  # pass argument to Ruby documation API cli
  # remove backspace characters
  # escape occurrences of \'s (apostrophe s)
  # escape occurrences of \'t (apostrophe t)
  # pipe documentation to bat using ruby language highlighting
  ri "$1" | \
    perl -pe 's/.?\x08//g' | \
    sed "s/'\(s\) /'\\\\''\1 /g" | \
    sed "s/'\(t\) /'\\\\''\1 /g" | \
    bat -l ruby
}