https://github.com/syuilo/misskey/pull/5188 で使ったやつ

devdeps-to-deps.py

import json

f = json.load(open("package.json", "r"))
packages = open("packages.txt", "r")

def sorted_dict(input):
	r = sorted(input.items(), key=lambda x:x)
	d = {}
	for k, v in r:
		d[k] = v
	return d

for p in packages.readlines():
	p = p.strip()
	if f["dependencies"].get(p) == None:
		print(p)
	if f["devDependencies"].get(p) != None:
		f["dependencies"][p] = f["devDependencies"][p]
		del f["devDependencies"][p]
	else:
		print("WARN!! " + p +" is used in built/**/*.js, but not found on devDependencies")

f["dependencies"] = sorted_dict(f["dependencies"])
f["devDependencies"] = sorted_dict(f["devDependencies"])

json.dump(f, open("package.json", "w"), indent=2)

gen-packages-txt.sh

#!/bin/zsh
python3 search.py | sort | uniq > packages.txt

search.py

import re
import os
import glob

r = re.compile(r"require\(['\"]([@a-zA-Z0-9\-/]+)['\"]\)")

for file in glob.glob('built/**/*.js', recursive = True):
	if "client/assets" in file:
		continue
	s = open(file, "r").read()
	for g in r.finditer(s):
		print(g.group(1))