Add ability to overwrite the outputPath (Webpack only)

Author: zackman0010

README.md

@@ -124,6 +124,7 @@ The following options are available for the Faro JavaScript bundler plugins:
 - `apiKey: string` *required*: The API key for your Faro Collector, you can generate a new scope on [grafana.com], refer to the [Obtaining API key](#obtaining-api-key) section
 - `appId: string` *required*: The ID of your application, it should match the `appId` value used in your Faro Web SDK configuration
 - `stackId: string` *required*: The ID of the stack, found in Frontend Observability under **Settings** and **Web SDK Config**
+- `outputPath: string` *optional*: Folder where output files will be located
 - `outputFiles: string[]` *optional*: An array of source map files to upload, by default Faro uploads all source maps
 - `bundleId: string` *optional*: The ID of the bundle/build, by default auto-generated, or specify an ID to filter by bundle ID in Frontend Observability
 - `keepSourcemaps: boolean` *optional*: Whether to keep the source maps in your generated bundle after uploading, default `false`

packages/faro-bundlers-shared/src/index.ts

@@ -10,6 +10,7 @@ export interface FaroSourceMapUploaderPluginOptions {
   appId: string;
   apiKey: string;
   stackId: string;
+  outputPath?: string;
   outputFiles?: string[];
   bundleId?: string;
   keepSourcemaps?: boolean;

packages/faro-webpack/src/index.ts

@@ -26,6 +26,7 @@ export default class FaroSourceMapUploaderPlugin
   private stackId: string;
   private endpoint: string;
   private bundleId: string;
+  private outputPathOverride?: string;
   private outputFiles?: string[];
   private keepSourcemaps?: boolean;
   private gzipContents?: boolean;
@@ -36,6 +37,7 @@ export default class FaroSourceMapUploaderPlugin
     this.apiKey = options.apiKey;
     this.stackId = options.stackId;
     this.endpoint = `${options.endpoint}/app/${options.appId}/sourcemaps/`;
+    this.outputPathOverride = options.outputPath;
     this.outputFiles = options.outputFiles;
     this.bundleId = options.bundleId ?? String(Date.now() + randomString(5));
     this.keepSourcemaps = options.keepSourcemaps;
@@ -49,7 +51,7 @@ export default class FaroSourceMapUploaderPlugin
    */
   apply(compiler: webpack.Compiler): void {
     const BannerPlugin = compiler.webpack.BannerPlugin;
-    const outputPath = compiler.options.output.path;
+    const outputPath = this.outputPathOverride ?? compiler.options.output.path;
 
     compiler.options.plugins = compiler.options.plugins || [];
     compiler.options.plugins.push(