fix: exclude irrelevant directories from asset hashing

Author: eoinsha

API.md

@@ -14,7 +14,12 @@ import {
 } from 'aws-cdk-lib/aws-lambda';
 import type { BundlingOptions, ICommandHooks } from './types';
 
-export const HASHABLE_DEPENDENCIES_EXCLUDE = ['*.pyc'];
+export const HASHABLE_DEPENDENCIES_EXCLUDE = [
+  '*.pyc',
+  "cdk/**",
+  ".git/**",
+  ".venv/**",
+];
 
 export const DEFAULT_ASSET_EXCLUDES = [
   '.venv/',
@@ -62,17 +67,26 @@ export interface BundlingProps extends BundlingOptions {
    * @default false
    */
   readonly skip?: boolean;
+
+  /**
+   * Glob patterns to exclude from asset hash fingerprinting used for source change
+   * detection
+   * 
+   * @default HASHABLE_DEPENDENCIES_EXCLUDE
+   */
+  readonly hashableAssetExclude?: string[];
 }
 
 /**
  * Bundling options for Python Lambda assets
  */
 export class Bundling {
   public static bundle(options: BundlingProps): AssetCode {
+    const { hashableAssetExclude = HASHABLE_DEPENDENCIES_EXCLUDE, ...bundlingOptions } = options;
     return Code.fromAsset(options.rootDir, {
       assetHashType: AssetHashType.SOURCE,
-      exclude: HASHABLE_DEPENDENCIES_EXCLUDE,
-      bundling: new Bundling(options),
+      exclude: hashableAssetExclude,
+      bundling: new Bundling(bundlingOptions),
     });
   }
 
@@ -100,13 +114,13 @@ export class Bundling {
     const bundlingCommands = props.skip
       ? []
       : this.createBundlingCommands({
-          rootDir,
-          workspacePackage,
-          assetExcludes,
-          commandHooks,
-          inputDir: AssetStaging.BUNDLING_INPUT_DIR,
-          outputDir: AssetStaging.BUNDLING_OUTPUT_DIR,
-        });
+        rootDir,
+        workspacePackage,
+        assetExcludes,
+        commandHooks,
+        inputDir: AssetStaging.BUNDLING_INPUT_DIR,
+        outputDir: AssetStaging.BUNDLING_OUTPUT_DIR,
+      });
 
     this.image = image ?? this.createDockerImage(props);