dependency-cruiser/src/extract/resolve/resolve-cjs.mjs

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

import { relative } from "node:path";
import { isFollowable } from "./module-classifiers.mjs";
import { resolve } from "./resolve.mjs";
import { isBuiltin } from "./is-built-in.mjs";
import pathToPosix from "#utl/path-to-posix.mjs";

function addResolutionAttributes(
	pBaseDirectory,
	pModuleName,
	pFileDirectory,
	pResolveOptions,
) {
	let lReturnValue = {};

	if (isBuiltin(pModuleName, pResolveOptions)) {
		lReturnValue.coreModule = true;
	} else {
		try {
			lReturnValue.resolved = pathToPosix(
				relative(
					pBaseDirectory,
					resolve(pModuleName, pFileDirectory, pResolveOptions),
				),
			);
			lReturnValue.followable = isFollowable(
				lReturnValue.resolved,
				pResolveOptions,
			);
		} catch (pError) {
			lReturnValue.couldNotResolve = true;
		}
	}
	return lReturnValue;
}

/*
 * resolves both CommonJS and ES6
 */
export default function resolveCommonJS(
	pStrippedModuleName,
	pBaseDirectory,
	pFileDirectory,
	pResolveOptions,
) {
	return {
		resolved: pStrippedModuleName,
		coreModule: false,
		followable: false,
		couldNotResolve: false,
		...addResolutionAttributes(
			pBaseDirectory,
			pStrippedModuleName,
			pFileDirectory,
			pResolveOptions,
		),
	};
}