node-labstreaminglayer - npm Package Compare versions

Comparing version 0.2.0 to 0.2.1

dist/lib/index.js

@@ -16,2 +16,3 @@ /**
 import { fileURLToPath } from 'url';
+import { existsSync } from 'fs';
 // Get the directory of this module for resolving library paths
@@ -27,4 +28,9 @@ const __dirname = dirname(fileURLToPath(import.meta.url));
  *
+ * This function is Electron-aware and will check multiple paths including:
+ * - Standard path in node_modules
+ * - Unpacked path when in ASAR archive (Electron production)
+ * - Electron resources path
+ *
  * @returns {string} Absolute path to the platform-specific LSL library
- * @throws {Error} If the platform is not supported
+ * @throws {Error} If the platform is not supported or library cannot be found
  */
@@ -51,4 +57,45 @@ function getLibraryPath() {
     }
-    // Resolve to prebuild directory containing platform binaries
-    return join(__dirname, '..', '..', 'prebuild', libName);
+    // Build list of possible paths to try
+    const possiblePaths = [];
+    // 1. Standard path (works in development and regular Node.js)
+    const standardPath = join(__dirname, '..', '..', 'prebuild', libName);
+    possiblePaths.push(standardPath);
+    // 2. Check if we're in an ASAR archive (Electron production)
+    if (standardPath.includes('app.asar')) {
+        // Try the unpacked version (where native modules must be extracted)
+        const unpackedPath = standardPath.replace('app.asar', 'app.asar.unpacked');
+        possiblePaths.push(unpackedPath);
+    }
+    // 3. Try Electron's resources path if available (production Electron)
+    // @ts-ignore - process.resourcesPath is an Electron-specific property
+    if (typeof process !== 'undefined' && process.resourcesPath) {
+        // @ts-ignore
+        const resourcesPath = process.resourcesPath;
+        possiblePaths.push(join(resourcesPath, 'app.asar.unpacked', 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+        possiblePaths.push(join(resourcesPath, 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+    }
+    // 4. Check for Electron app path
+    // @ts-ignore - global.app is an Electron-specific property  
+    if (typeof global !== 'undefined' && global.app?.getPath) {
+        try {
+            // @ts-ignore
+            const appPath = global.app.getPath('exe');
+            const exeDir = dirname(appPath);
+            possiblePaths.push(join(exeDir, 'resources', 'app.asar.unpacked', 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+        }
+        catch (e) {
+            // Ignore if not in Electron main process
+        }
+    }
+    // Find the first existing path
+    for (const path of possiblePaths) {
+        if (existsSync(path)) {
+            return path;
+        }
+    }
+    // If no path exists, throw an error with helpful information
+    throw new Error(`Failed to find LSL library '${libName}'. Searched paths:\n` +
+        possiblePaths.map(p => `  - ${p}`).join('\n') +
+        '\n\nFor Electron apps, ensure native modules are unpacked from ASAR.\n' +
+        'See: https://www.electronjs.org/docs/latest/tutorial/using-native-node-modules');
 }
@@ -55,0 +102,0 @@ // Load the LSL library using Koffi FFI

package.json

 {
   "name": "node-labstreaminglayer",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Node.js bindings for Lab Streaming Layer (LSL)",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

src/lib/index.ts

@@ -17,2 +17,3 @@ /**
 import { fileURLToPath } from 'url';
+import { existsSync } from 'fs';
 
@@ -30,4 +31,9 @@ // Get the directory of this module for resolving library paths
  * 
+ * This function is Electron-aware and will check multiple paths including:
+ * - Standard path in node_modules
+ * - Unpacked path when in ASAR archive (Electron production)
+ * - Electron resources path
+ * 
  * @returns {string} Absolute path to the platform-specific LSL library
- * @throws {Error} If the platform is not supported
+ * @throws {Error} If the platform is not supported or library cannot be found
  */
@@ -53,4 +59,52 @@ function getLibraryPath(): string {
   
-  // Resolve to prebuild directory containing platform binaries
-  return join(__dirname, '..', '..', 'prebuild', libName);
+  // Build list of possible paths to try
+  const possiblePaths: string[] = [];
+  
+  // 1. Standard path (works in development and regular Node.js)
+  const standardPath = join(__dirname, '..', '..', 'prebuild', libName);
+  possiblePaths.push(standardPath);
+  
+  // 2. Check if we're in an ASAR archive (Electron production)
+  if (standardPath.includes('app.asar')) {
+    // Try the unpacked version (where native modules must be extracted)
+    const unpackedPath = standardPath.replace('app.asar', 'app.asar.unpacked');
+    possiblePaths.push(unpackedPath);
+  }
+  
+  // 3. Try Electron's resources path if available (production Electron)
+  // @ts-ignore - process.resourcesPath is an Electron-specific property
+  if (typeof process !== 'undefined' && process.resourcesPath) {
+    // @ts-ignore
+    const resourcesPath = process.resourcesPath;
+    possiblePaths.push(join(resourcesPath, 'app.asar.unpacked', 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+    possiblePaths.push(join(resourcesPath, 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+  }
+  
+  // 4. Check for Electron app path
+  // @ts-ignore - global.app is an Electron-specific property  
+  if (typeof global !== 'undefined' && global.app?.getPath) {
+    try {
+      // @ts-ignore
+      const appPath = global.app.getPath('exe');
+      const exeDir = dirname(appPath);
+      possiblePaths.push(join(exeDir, 'resources', 'app.asar.unpacked', 'node_modules', 'node-labstreaminglayer', 'prebuild', libName));
+    } catch (e) {
+      // Ignore if not in Electron main process
+    }
+  }
+  
+  // Find the first existing path
+  for (const path of possiblePaths) {
+    if (existsSync(path)) {
+      return path;
+    }
+  }
+  
+  // If no path exists, throw an error with helpful information
+  throw new Error(
+    `Failed to find LSL library '${libName}'. Searched paths:\n` +
+    possiblePaths.map(p => `  - ${p}`).join('\n') +
+    '\n\nFor Electron apps, ensure native modules are unpacked from ASAR.\n' +
+    'See: https://www.electronjs.org/docs/latest/tutorial/using-native-node-modules'
+  );
 }
@@ -57,0 +111,0 @@

New alerts

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Fixed alerts

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

URL strings

Supply chain risk

Package contains fragments of external URLs or IP addresses, which the package may be accessing at runtime.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

3474899

0.17%

Lines of code

6024

1.6%

Worsened metrics

Number of low supply chain risk alerts

5

66.67%

No dependency changes