Lazy loading for (mini)conda in zsh

.zshrc

export CONDA_DIR="$HOME/.miniconda"

source ~/your/path/conda-lazy.zsh

conda-lazy.zsh

conda() {
  unfunction conda
  
  __conda_setup="$("$CONDA_DIR/bin/conda" 'shell.zsh' 'hook' 2> /dev/null)"
  if [ $? -eq 0 ]; then
      eval "$__conda_setup"
  else
      if [ -f "$CONDA_DIR/etc/profile.d/conda.sh" ]; then
          . "$CONDA_DIR/etc/profile.d/conda.sh"
      else
          export PATH="$CONDA_DIR/bin:$PATH"
      fi
  fi
  unset __conda_setup

  conda "$@"
}