Merge pull request #368 from gligorkot/fix-node-modules-relative-dir

Expose nodeModulesRelativeDir serverless-webpack config

.gitignore

@@ -65,3 +65,4 @@ tsconfig.tsbuildinfo
 .serverless
 .webpack
 .cache-loader
+.idea/*

README.md

@@ -130,6 +130,8 @@ custom:
     packagerOptions:                # Run a custom script in the package process
       scripts:                        # https://github.com/serverless-heaven/serverless-webpack#custom-scripts
         - echo hello > test
+    nodeModulesRelativeDir: '../'   # Useful for monorepos if you have your node_modules in the root directory
+                                      # https://github.com/serverless-heaven/serverless-webpack#node-modules--externals 
     rawFileExtensions:              # An array of file extensions to import using the Webpack raw-loader.
       - csv                         # Defaults to ['pem', 'txt']
     minifyOptions:                  # Options for ESBuildMinifyPlugin (https://esbuild.github.io/api/#simple-options)

index.js

@@ -23,12 +23,16 @@ function applyWebpackOptions(custom, config) {
     includeModules: {
       forceExclude: config.options.forceExclude,
       forceInclude: config.options.forceInclude,
+      nodeModulesRelativeDir:
+        config.options.nodeModulesRelativeDir != null
+          ? config.options.nodeModulesRelativeDir
+          : "./",
       // Generate relative path for the package.json
       // For cases where the services are nested and don't have their own package.json
       // Traverse up the tree to find the path to the nearest package.json
       //
       // Certain plugins like serverless-plugin-typescript change the cwd, so when
-      // searching, reset the the cwd to the service path
+      // searching, reset the cwd to the service path
       packagePath: path.relative(
         config.servicePath,
         pkgUp.sync({ cwd: config.servicePath })
@@ -57,7 +61,7 @@ function applyUserConfig(config, userConfig, servicePath, runtime) {
     );
   }
 
-  // Concat externals if provided
+  // Concat rawFileExtensions if provided
   if (userConfig.rawFileExtensions) {
     userConfig.rawFileExtensions = config.options.rawFileExtensions.concat(
       userConfig.rawFileExtensions