feat(lambda-nodejs): add sourcesContent in BundlingOptions

packages/@aws-cdk/aws-lambda-nodejs/README.md

@@ -174,6 +174,7 @@ new lambda.NodejsFunction(this, 'my-handler', {
     minify: true, // minify code, defaults to false
     sourceMap: true, // include source map, defaults to false
     sourceMapMode: SourceMapMode.INLINE, // defaults to SourceMapMode.DEFAULT
+    sourcesContent: false, // include original source into source map, defaults to true
     target: 'es2020', // target environment for the generated JavaScript code
     loader: { // Use the 'dataurl' loader for '.png' files
       '.png': 'dataurl',

packages/@aws-cdk/aws-lambda-nodejs/lib/bundling.ts

@@ -182,6 +182,7 @@ export class Bundling implements cdk.BundlingOptions {
     const sourceMapEnabled = this.props.sourceMapMode ?? this.props.sourceMap;
     const sourceMapMode = this.props.sourceMapMode ?? SourceMapMode.DEFAULT;
     const sourceMapValue = sourceMapMode === SourceMapMode.DEFAULT ? '' : `=${this.props.sourceMapMode}`;
+    const sourcesContent = this.props.sourcesContent ?? true;
 
     const esbuildCommand: string[] = [
       options.esbuildRunner,
@@ -191,6 +192,7 @@ export class Bundling implements cdk.BundlingOptions {
       `--outfile="${pathJoin(options.outputDir, 'index.js')}"`,
       ...this.props.minify ? ['--minify'] : [],
       ...sourceMapEnabled ? [`--sourcemap${sourceMapValue}`] : [],
+      ...sourcesContent ? [] : [`--sources-content=${sourcesContent}`],
       ...this.externals.map(external => `--external:${external}`),
       ...loaders.map(([ext, name]) => `--loader:${ext}=${name}`),
       ...defines.map(([key, value]) => `--define:${key}=${JSON.stringify(value)}`),

packages/@aws-cdk/aws-lambda-nodejs/lib/types.ts

@@ -26,6 +26,15 @@ export interface BundlingOptions {
    */
   readonly sourceMapMode?: SourceMapMode;
 
+  /**
+   * Whether to include original source code in source maps when bundling.
+   *
+   * @see https://esbuild.github.io/api/#sources-content
+   *
+   * @default true
+   */
+  readonly sourcesContent?: boolean;
+
   /**
    * Target environment for the generated JavaScript code.
    *

packages/@aws-cdk/aws-lambda-nodejs/test/bundling.test.ts

@@ -188,6 +188,7 @@ test('esbuild bundling with esbuild options', () => {
     architecture: Architecture.X86_64,
     minify: true,
     sourceMap: true,
+    sourcesContent: false,
     target: 'es2020',
     loader: {
       '.png': 'dataurl',
@@ -218,7 +219,7 @@ test('esbuild bundling with esbuild options', () => {
         [
           'esbuild --bundle "/asset-input/lib/handler.ts"',
           '--target=es2020 --platform=node --outfile="/asset-output/index.js"',
-          '--minify --sourcemap --external:aws-sdk --loader:.png=dataurl',
+          '--minify --sourcemap --sources-content=false --external:aws-sdk --loader:.png=dataurl',
           defineInstructions,
           '--log-level=silent --keep-names --tsconfig=/asset-input/lib/custom-tsconfig.ts',
           '--metafile=/asset-output/index.meta.json --banner:js="/* comments */" --footer:js="/* comments */"',
@@ -656,4 +657,4 @@ test('esbuild bundling with pre compilations and undefined tsconfig ( Should thr
     });
   }).toThrow('Cannot find a tsconfig.json, please specify the prop: tsconfig');
 
-});
+});