Feat: Multiplayer sessions added using CRUD database.

node_modules/find-cache-dir/index.js

@@ -0,0 +1,66 @@
+import process from 'node:process';
+import path from 'node:path';
+import fs from 'node:fs';
+import commonPathPrefix from 'common-path-prefix';
+import {packageDirectorySync} from 'pkg-dir';
+
+const {env, cwd} = process;
+
+const isWritable = path => {
+	try {
+		fs.accessSync(path, fs.constants.W_OK);
+		return true;
+	} catch {
+		return false;
+	}
+};
+
+function useDirectory(directory, options) {
+	if (options.create) {
+		fs.mkdirSync(directory, {recursive: true});
+	}
+
+	if (options.thunk) {
+		return (...arguments_) => path.join(directory, ...arguments_);
+	}
+
+	return directory;
+}
+
+function getNodeModuleDirectory(directory) {
+	const nodeModules = path.join(directory, 'node_modules');
+
+	if (
+		!isWritable(nodeModules)
+			&& (fs.existsSync(nodeModules) || !isWritable(path.join(directory)))
+	) {
+		return;
+	}
+
+	return nodeModules;
+}
+
+export default function findCacheDirectory(options = {}) {
+	if (env.CACHE_DIR && !['true', 'false', '1', '0'].includes(env.CACHE_DIR)) {
+		return useDirectory(path.join(env.CACHE_DIR, options.name), options);
+	}
+
+	let {cwd: directory = cwd()} = options;
+
+	if (options.files) {
+		directory = commonPathPrefix(options.files.map(file => path.resolve(directory, file)));
+	}
+
+	directory = packageDirectorySync({cwd: directory});
+
+	if (!directory) {
+		return;
+	}
+
+	const nodeModules = getNodeModuleDirectory(directory);
+	if (!nodeModules) {
+		return;
+	}
+
+	return useDirectory(path.join(directory, 'node_modules', '.cache', options.name), options);
+}