docs.sheetjs.com/tests/data-postgres.sh

#!/bin/bash
# https://docs.sheetjs.com/docs/demos/data/postgresql
## NOTE: these steps are for darwin-arm

cd /tmp
mkdir sheetjs-pg
cd sheetjs-pg
npm init -y
npm i --save https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz pg@8.13.1 pg-format@1.0.4

curl -LO https://docs.sheetjs.com/postgresql/SheetJSPG.js
curl -L -O https://docs.sheetjs.com/pres.numbers

for n in 1{2..7}; do
	# brew install postgresql@$n
	echo $n

	# "If you need to have postgresql@$n first in your PATH, run:"
	export PATH="/opt/homebrew/opt/postgresql@$n/bin:$PATH"

	# "Or, if you don't want/need a background service you can just run:"
	nohup env LC_ALL="C" /opt/homebrew/opt/postgresql@$n/bin/postgres -D /opt/homebrew/var/postgresql@$n >/dev/null 2>&1 &
	sleep 5

	dropdb SheetJSPG
	createdb SheetJSPG

	node SheetJSPG.js
	npx xlsx-cli SheetJSPGExport.xlsx
	psql SheetJSPG -c 'SELECT * FROM "Presidents";'

	kill $!
done