Install Node.js in a Python virtual environment

Makefile

SHELL:= /usr/bin/env bash

PY:= python3.12
NOW:= $(shell date -Is)

venv:= .venv
# TODO: prevent empty $(venv)!! or leading / from causing havoc in really-clean!

vb:= $(venv)/bin/
vN:= $(venv).$(NOW)

define vrun
	@source $(vb)activate && $(1)
endef

.PHONY: clean really-clean

$(vb)npm: $(vb)nodeenv
	$(call vrun, \
		nodeenv --python-virtualenv --node=lts && \
		touch --reference $(vb)activate.csh $(vb)activate && \
		npm install --global npm && npm --global list && \
		echo "Installed Node.js $$(node --version)" && \
		ls -o --human-readable --color=always $(vb))
# Note that nodeenv --python-virtualenv above modifies activate,
# so we must reset the mtime to prevent successive runs of make
# from re-installing everything below.

$(vb)nodeenv: $(vb)wheel
	$(call vrun, pip install nodeenv && pip list)

$(vb)wheel: $(vb)activate
	$(call vrun, pip install --upgrade pip wheel)

$(vb)activate:
	$(PY) -m venv $(venv)

clean:
	@test -d $(venv) && \
	mv --verbose $(venv) $(vN) && \
	if   hash pzstd  2>/dev/null; then ZC=pzstd;  ZE=zst; \
	elif hash pixz   2>/dev/null; then ZC=pixz;   ZE=xz; \
	elif hash pbzip2 2>/dev/null; then ZC=pbzip2; ZE=bz2; \
	elif hash pigz   2>/dev/null; then ZC=pigz;   ZE=gz; \
	elif hash xz     2>/dev/null; then ZC=xz;     ZE=xz; \
	elif hash bzip2  2>/dev/null; then ZC=bzip2;  ZE=bz2; \
	elif hash gzip   2>/dev/null; then ZC=gzip;   ZE=gz; \
	else echo 'No suitable compression program found.'; exit 1; fi >&2 && \
	tar --use-compress-program=$$ZC --create --file=./$(vN).tar.$$ZE $(vN) && \
	ls -oh $(vN).tar.$$ZE && \
	rm --force --recursive $(vN) || \
	echo 'No $(venv) venv to clean.'

really-clean:
	@rm --force --recursive --verbose $(venv)*

Type make to build the environment. Type make clean to remove it.

And finally source .venv/bin/activate to use it.