import glob from 'fast-glob';

import { readFile } from '../../utils/fs';

const CURRENT_SCRIPT_PACKAGES: ReadonlySet<string> = new Set([

'@parcel/watcher (install)',

'esbuild (postinstall)',

'lmdb (install)',

'msgpackr-extract (install)',

'nice-napi (install)',

'unrs-resolver (postinstall)',

]);

const POTENTIAL_SCRIPTS: ReadonlyArray<string> = ['preinstall', 'install', 'postinstall'];

// Some packages include test and/or example code that causes false positives

const FALSE_POSITIVE_PATHS: ReadonlySet<string> = new Set([

'jasmine-spec-reporter/examples/protractor/package.json',

'resolve/test/resolver/multirepo/package.json',

'resolve/test/list-exports/packages/tests/fixtures/resolve-1/project/test/resolver/multirepo/package.json',

'resolve/test/list-exports/packages/tests/fixtures/resolve-2/project/test/resolver/multirepo/package.json',

]);

const INNER_NODE_MODULES_SEGMENT = '/node_modules/';

export default async function () {

const manifestPaths = await glob('node_modules/**/package.json');

const newPackages: string[] = [];

for (const manifestPath of manifestPaths) {

const lastNodeModuleIndex = manifestPath.lastIndexOf(INNER_NODE_MODULES_SEGMENT);

const packageRelativePath = manifestPath.slice(

lastNodeModuleIndex === -1

? INNER_NODE_MODULES_SEGMENT.length - 1

: lastNodeModuleIndex + INNER_NODE_MODULES_SEGMENT.length,

);

if (FALSE_POSITIVE_PATHS.has(packageRelativePath)) {

continue;

}

let manifest;

try {

manifest = JSON.parse(await readFile(manifestPath));

} catch {

continue;

}

if (!manifest.scripts) {

continue;

}

for (const script of POTENTIAL_SCRIPTS) {

if (!manifest.scripts[script]) {

continue;

}

const packageScript = `${manifest.name} (${script})`;

if (!CURRENT_SCRIPT_PACKAGES.has(packageScript)) {

newPackages.push(packageScript + `[${manifestPath}]`);

}

}

}

if (newPackages.length) {

throw new Error(

'New install script package(s) detected:\n' + JSON.stringify(newPackages, null, 2),

);

}

}