nnn/misc/auto-completion/zsh/_nnn

#compdef nnn
#
# Completion definition for nnn.
#
# Author:
#   Arun Prakash Jana <engineerarun@gmail.com>
#

setopt localoptions noshwordsplit noksharrays
local -a args
args=(
    '(-a)-a[use access time]'
    '(-b)-b[bookmark key to open]:key char'
    '(-c)-d[cli-only opener]'
    '(-d)-d[start in detail mode]'
    '(-f)-d[run filter as cmd on prompt key]'
    '(-H)-H[show hidden files]'
    '(-i)-i[start in navigate-as-you-type mode]'
    '(-K)-K[detect key collision]'
    '(-n)-n[use version compare to sort files]'
    '(-o)-o[open files only on Enter]'
    '(-p)-p[copy selection to file]:file name'
    '(-r)-r[show cp, mv progress (Linux-only)]'
    '(-s)-s[use substring match for filters]'
    '(-S)-S[start in disk usage analyzer mode]'
    '(-t)-t[disable dir auto-select]'
    '(-v)-v[show program version and exit]'
    '(-h)-h[show program help]'
    '*:filename:_files'
)
_arguments -S -s $args