dependency-cruiser/src/extract/transpile/try-import-available.mjs

Validate and visualize dependencies. With your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD.

import path from "node:path/posix";
import { createRequire } from "node:module";
import { coerce, satisfies } from "semver";

const require = createRequire(import.meta.url);

const PACKAGE_RE = "[^/]+";
const SCOPED_PACKAGE_RE = "@[^/]+(?:/[^/]+)";
const ROOT_MODULE_RE = new RegExp(`^(${SCOPED_PACKAGE_RE}|${PACKAGE_RE})`, "g");

function extractRootModuleName(pModuleName) {
	return (pModuleName.match(ROOT_MODULE_RE) || []).shift();
}

function getVersion(pModuleName) {
	// of course we'd love to use something like an import with an import assertion
	// As that's _experimental_ we have to use _require_ in stead.
	// eslint-disable-next-line import/no-dynamic-require, security/detect-non-literal-require
	const lManifest = require(
		path.join(extractRootModuleName(pModuleName), "package.json"),
	);
	return lManifest.version;
}

export default function tryImportAvailable(pModuleName, pSemanticVersion) {
	try {
		if (pSemanticVersion) {
			const lVersion = getVersion(pModuleName);
			const lCoerced = coerce(lVersion);
			if (
				lVersion &&
				lCoerced &&
				!satisfies(lCoerced.version, pSemanticVersion)
			) {
				return false;
			}
		}
		// of course we'd love to use something like import.meta.resolve, but
		// that's _experimental_, so ¯\_(ツ)_/¯
		return Boolean(require.resolve(pModuleName));
	} catch (pError) {
		return false;
	}
}