ohmyzsh/plugins/fnm/fnm.plugin.zsh

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if (( $+commands[fnm] )); then
# Handle $0 according to the standard:
# # https://zdharma-continuum.github.io/Zsh-100-Commits-Club/Zsh-Plugin-Standard.html
0="${${ZERO:-${0:#$ZSH_ARGZERO}}:-${(%):-%N}}"
0="${${(M)0:#/*}:-$PWD/$0}"
# remove old generated completion file
command rm -f "${0:A:h}/_fnm"
ver="$(fnm --version)"
ver_file="$ZSH_CACHE_DIR/fnm_version"
comp_file="$ZSH_CACHE_DIR/completions/_fnm"
mkdir -p "${comp_file:h}"
(( ${fpath[(Ie)${comp_file:h}]} )) || fpath=("${comp_file:h}" $fpath)
if [[ ! -f "$comp_file" || ! -f "$ver_file" || "$ver" != "$(< "$ver_file")" ]]; then
fnm completions --shell=zsh >| "$comp_file"
echo "$ver" >| "$ver_file"
fi
declare -A _comps
autoload -Uz _fnm
_comps[fnm]=_fnm
unset ver ver_file comp_file
fi