fix: custom node module handling and types

Author: sebastianwessel

package.json

@@ -17,18 +17,10 @@
 		"package",
 		"library"
 	],
-	"files": [
-		"dist"
-	],
+	"files": ["dist"],
 	"tshy": {
-		"exclude": [
-			"src/**/*.test.ts",
-			"vendor"
-		],
-		"dialects": [
-			"esm",
-			"commonjs"
-		],
+		"exclude": ["src/**/*.test.ts", "vendor"],
+		"dialects": ["esm", "commonjs"],
 		"exports": {
 			"./package.json": "./package.json",
 			".": "./src/index.ts"
@@ -46,7 +38,8 @@
 		"postpublish": "npx jsr publish",
 		"example:basic": "bun example/basic/server.ts",
 		"example:server": "bun example/server/server.ts",
-		"example:tests": "bun example/run-tests/index.ts"
+		"example:tests": "bun example/run-tests/index.ts",
+		"example:module": "bun example/custom-module/index.ts"
 	},
 	"author": {
 		"name": "Sebastian Wessel",

src/getModuleLoader.ts

@@ -14,12 +14,10 @@ import type { RuntimeOptions } from './types/RuntimeOptions.js'
 export const getModuleLoader = (options: RuntimeOptions) => {
 	//const __dirname = dirname(fileURLToPath(import.meta.url))
 
-	const customVol = options?.nodeModules ? Volume.fromNestedJSON(options?.nodeModules) : {}
-
 	const modules: Record<string, any> = {
 		'/': {
 			node_modules: {
-				...customVol,
+				...options?.nodeModules,
 				path: {
 					'index.js': pathModule,
 				},

src/types/RuntimeOptions.ts

@@ -1,4 +1,4 @@
-import type { DirectoryJSON } from 'memfs'
+import type { NestedDirectoryJSON } from 'memfs'
 
 export type RuntimeOptions = {
 	/**
@@ -10,12 +10,12 @@ export type RuntimeOptions = {
 	 * Mount a virtual file system
 	 * @link https://github.com/streamich/memfs
 	 */
-	mountFs?: DirectoryJSON
+	mountFs?: NestedDirectoryJSON
 	/**
 	 * Mount custom node_modules in a virtual file system
 	 * @link https://github.com/streamich/memfs
 	 */
-	nodeModules?: DirectoryJSON
+	nodeModules?: NestedDirectoryJSON
 	/**
 	 * Enable file capabilities
 	 * If enabled, the package node:fs becomes available