protect bash array with json

00-define.sh

function json_array() {
	if [[ $# -eq 0 ]]; then
		echo '[]'
	fi
	# --ascii-output if no base64
	jq --null-input --compact-output --slurp '$ARGS.positional' --args "$@"
}

function json_array_get_back() {
	local -i SIZE i
	local VARNAME="$1" JSON="$2"
	local -a ARR=()
	SIZE=$(echo "$JSON" | jq --compact-output '.|length')
	for ((i = 0; i < SIZE; i++)); do
		ARR+=("$(echo "$JSON" | jq --compact-output --raw-output ".[$i]")")
	done
	eval "$VARNAME=(\"\${ARR[@]}\")"
}

10-sender.sh

STR=$'\x1Bfrom\tthe world'
BASH_ARR=(
	printf
	"say: %s! %s\n"
	"$STR"
	'🥺'
)

JSON=$(json_array "${BASH_ARR[@]}")
echo "json = $JSON" >&2
ENCODE=$(echo "$JSON" | base64 --wrap=0 -)
echo "encoded = $ENCODE" >&2

echo "$ENCODE"

11-receiver.sh

declare -a NEW_ARR=()

json_array_get_back NEW_ARR "$(base64 -d)"

"${NEW_ARR[@]}"