#!/usr/bin/env python

from __future__ import annotations

import json

import pathlib

import sys

ADDITIONAL_PACKAGES_NODE = {}

ADDITIONAL_PACKAGES_DENO = {

"@types/node@22.5.4": "sha512-FDuKUJQm/ju9fT/SeX/6+gBzoPzlVCzfzmGkwKvRHQVxi4BntVbyIwf6a4Xn62mrvndLiml6z/UBXIdEVjQLXg==",

"undici-types@6.19.8": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",

}

BASE_PATH = pathlib.Path(__file__).parent

def parse_deno() -> dict[str, str]:

path = BASE_PATH / "deno.lock"

with path.open("rb") as file:

lockfile = json.load(file)

v = lockfile["version"]

if v not in ("4", "5"):

msg = f"Unsupported lockfile version: {v} (expected 4/5)"

raise ValueError(msg)

integrities = {}

for name, info in lockfile["npm"].items():

integrity = info["integrity"]

other = integrities.get(integrity)

if other and other != name:

msg = f"Duplicate integrity for {name} and {other}: {integrity}"

raise ValueError(msg)

integrities[integrity] = name

return integrities

def parse_node() -> dict[str, str]:

path = BASE_PATH / "package-lock.json"

with path.open("rb") as file:

lockfile = json.load(file)

v = lockfile["lockfileVersion"]

if v != 3:

msg = f"Unsupported lockfile version: {v} (expected 3)"

raise ValueError(msg)

integrities = {}

for path, info in lockfile["packages"].items():

if not path:

continue

_, _, mod_name = path.rpartition("node_modules/")

version = info["version"]

name = f"{mod_name}@{version}"

integrity = info["integrity"]

other = integrities.get(integrity)

if other and other != name:

msg = f"Duplicate integrity for {name} and {other}: {integrity}"

raise ValueError(msg)

integrities[integrity] = name

return integrities

def main():

try:

packages_deno = parse_deno()

except Exception as error:

print(f"ERROR: Could not read deno lockfile: {error}", file=sys.stderr)

sys.exit(1)

try:

packages_node = parse_node()

except Exception as error:

print(f"ERROR: Could not read npm lockfile: {error}", file=sys.stderr)

sys.exit(1)

packages_deno.update({v: k for k, v in ADDITIONAL_PACKAGES_NODE.items()})

packages_node.update({v: k for k, v in ADDITIONAL_PACKAGES_DENO.items()})

differences = packages_deno.keys() ^ packages_node.keys()

if diffs_deno := differences.intersection(packages_deno):

print(

"deno => npm:",

*(f"{packages_deno[h]} ({h})" for h in diffs_deno),

sep="\n\t",

)

if diffs_node := differences.intersection(packages_node):

print(

" npm => deno:",

*(f"{packages_node[h]} ({h})" for h in diffs_node),

sep="\n\t",

)

if differences:

sys.exit(1)

if __name__ == "__main__":

main()