Emojify bash completion: https://github.com/mrowa44/emojify

.bash

# emojify completion                                         -*- shell-script -*-

_emojify_complte(){
    local cur
    _get_comp_words_by_ref -n : cur
    COMPREPLY=( $(compgen -W "${_emojis[*]}" -- ${cur}) )
    __ltrim_colon_completions "$cur"
}

# sanity checks

if ! command -v _get_comp_words_by_ref >/dev/null; then
    echo "Bash completion not installed" >&2
elif ! command -v emojify >/dev/null; then
    echo "Emoijify not installed" >&2
else
    # get list of emojis
    mapfile -t _emojis < <(emojify --list|grep ^:|cut -d \  -f 1)
    complete -F _emojify_complte emojify
fi