Strip sharp dep from bundle (#19)

* Remove sharp dep from build since it's provided by lambda layer

* fix deps

.projenrc.js

@@ -28,12 +28,13 @@ const project = new awscdk.AwsCdkConstructLibrary({
     '@types/fs-extra',
     '@types/micromatch',
     '@types/aws-lambda',
+    'esbuild',
     'aws-lambda',
     'serverless-http',
     'jszip',
+    'glob',
   ] /* Runtime dependencies of this module. */,
   devDeps: ['aws-sdk', '[email protected]'] /* Build dependencies for this module. */,
-  peerDeps: ['esbuild'],
 
   // do not generate sample test files
   sampleCode: false,

src/NextjsBuild.ts

@@ -4,6 +4,7 @@ import { Token } from 'aws-cdk-lib';
 import { Construct } from 'constructs';
 import * as spawn from 'cross-spawn';
 import * as fs from 'fs-extra';
+import * as glob from 'glob';
 import { listDirectory } from './NextjsAssetsDeployment';
 import { CompressionLevel, NextjsBaseProps } from './NextjsBase';
 
@@ -121,6 +122,24 @@ export class NextjsBuild extends Construct {
     if (buildResult.status !== 0) {
       throw new Error('The app "build" script failed.');
     }
+
+    // cleanup
+    // delete the `sharp` module since it's provided by the lambda layer
+    const sharpPathNpm = path.join(this._getNextStandaloneDir(), 'node_modules', 'sharp'); // npm/yarn
+    if (fs.existsSync(sharpPathNpm)) {
+      // delete the sharp folder
+      if (!this.props.quiet) console.debug('├ Deleting sharp module from', sharpPathNpm);
+      fs.removeSync(sharpPathNpm);
+    }
+    // is there a `[email protected]` folder in the `node_modules/.pnpm` folder?
+    const pnpmModulesDir = path.join(this._getNextStandaloneDir(), 'node_modules', '.pnpm'); // pnpm
+    // get glob pattern for sharp version
+    const matches = glob.sync(path.join(pnpmModulesDir, 'sharp@*'));
+    if (matches.length > 0) {
+      // delete the sharp folder
+      if (!this.props.quiet) console.debug('├ Deleting sharp module from', matches[0]);
+      fs.removeSync(matches[0]);
+    }
   }
 
   // getNextBuildId() {