Add node modules and compiled JavaScript from main

node_modules/get-package-type/sync.cjs

@@ -0,0 +1,42 @@
+'use strict';
+
+const path = require('path');
+const {readFileSync} = require('fs');
+
+const isNodeModules = require('./is-node-modules.cjs');
+const resultsCache = require('./cache.cjs');
+
+function getDirectoryTypeActual(directory) {
+	if (isNodeModules(directory)) {
+		return 'commonjs';
+	}
+
+	try {
+		return JSON.parse(readFileSync(path.resolve(directory, 'package.json'))).type || 'commonjs';
+	} catch (_) {
+	}
+
+	const parent = path.dirname(directory);
+	if (parent === directory) {
+		return 'commonjs';
+	}
+
+	return getDirectoryType(parent);
+}
+
+function getDirectoryType(directory) {
+	if (resultsCache.has(directory)) {
+		return resultsCache.get(directory);
+	}
+
+	const result = getDirectoryTypeActual(directory);
+	resultsCache.set(directory, result);
+
+	return result;
+}
+
+function getPackageTypeSync(filename) {
+	return getDirectoryType(path.resolve(path.dirname(filename)));
+}
+
+module.exports = getPackageTypeSync;